{"id":2945,"date":"2025-06-01T08:32:00","date_gmt":"2025-06-01T00:32:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=2945"},"modified":"2025-05-28T18:34:39","modified_gmt":"2025-05-28T10:34:39","slug":"what-is-pcb-surface-finishes","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/","title":{"rendered":"\u0645\u0627 \u0647\u064a \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0623\u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u061f"},"content":{"rendered":"<p>\u062a\u0634\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0625\u0644\u0649 \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0631\u0642\u0627\u0626\u0642 \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0643\u0634\u0648\u0641\u0629 \u0645\u0646 \u0644\u0648\u062d\u0629 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (\u0645\u062b\u0644 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0648\u0627\u0644\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644\u0629) \u0627\u0644\u0645\u063a\u0637\u0627\u0629 \u0628\u0637\u0628\u0642\u0629 \u0645\u0646 \u0627\u0644\u0645\u0639\u062f\u0646 \u0623\u0648 \u0637\u0644\u0627\u0621 \u0627\u0644\u0633\u0628\u0627\u0626\u0643\u060c \u062d\u064a\u062b \u0625\u0646 \u0627\u0644\u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633\u064a \"\u0627\u0644\u062d\u0627\u062c\u0632 \u0627\u0644\u0648\u0627\u0642\u064a\" \u0648\"\u0648\u0633\u064a\u0637 \u0627\u0644\u0644\u062d\u0627\u0645\".<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#PCB_Surface_Finishing_Core_Functions\" >\u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0644\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#The_importance_of_PCB_surface_treatment\" >\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Core_purpose_to_solve_the_%E2%80%9Coxidation_problem%E2%80%9D_of_the_copper_surface\" >\u0627\u0644\u063a\u0631\u0636 \u0627\u0644\u0623\u0633\u0627\u0633\u064a: \u062d\u0644 \"\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0623\u0643\u0633\u062f\u0629\" \u0644\u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Industry_Importance_a_critical_process_throughout_the_PCB_life_cycle\" >\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u0629: \u0639\u0645\u0644\u064a\u0629 \u062d\u0627\u0633\u0645\u0629 \u0637\u0648\u0627\u0644 \u062f\u0648\u0631\u0629 \u062d\u064a\u0627\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#In-Depth_Comparison_of_7_PCB_Surface_Finishes\" >\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0639\u0645\u0642\u0629 \u0628\u064a\u0646 7 \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0644\u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#1_Hot_Air_Solder_Leveling_HASL\" >1.\u062a\u0633\u0648\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646 (HASL)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#2_Electroless_Nickel_Immersion_Gold_ENIG\" >2.\u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0645\u063a\u0645\u0648\u0631 \u0628\u0627\u0644\u0646\u064a\u0643\u0644 \u0639\u062f\u064a\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (ENIG)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#3_Organic_Solderability_Preservative_OSP\" >3.\u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u062d\u0627\u0641\u0638\u0629 \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0639\u0636\u0648\u064a (OSP)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#4_Immersion_Tin_ImSn\" >4.\u0627\u0644\u0642\u0635\u062f\u064a\u0631 \u0627\u0644\u063a\u0627\u0637\u0633 (ImSn)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#5_Immersion_Silver_ImAg\" >5.\u0627\u0644\u0641\u0636\u0629 \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 (ImAg)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#6_Electroless_Nickel_Electroless_Palladium_Immersion_Gold_ENEPIG\" >6.\u0630\u0647\u0628 \u0627\u0644\u0646\u064a\u0643\u0644 \u0639\u062f\u064a\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0639\u062f\u064a\u0645 \u0627\u0644\u0628\u0644\u0627\u062f\u064a\u0648\u0645 \u0627\u0644\u0645\u063a\u0645\u0648\u0631 \u0628\u0627\u0644\u0628\u0644\u0627\u062f\u064a\u0648\u0645 (ENEPIG)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#7_Electrolytic_Hard_Gold\" >7. \u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0635\u0644\u0628 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0644\u064a\u062a\u064a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Selection_Decision_Tree\" >\u0634\u062c\u0631\u0629 \u0642\u0631\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#5_Common_Failure_Clinics\" >5 \u0639\u064a\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639 5 \u0639\u064a\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Pro_Tips_from_PCB_Manufacturers\" >\u0646\u0635\u0627\u0626\u062d \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629 \u0645\u0646 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Cost-Performance_Tradeoff_Analysis\" >\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0641\u0627\u0636\u0644\u0629 \u0628\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/#Future_Trends_in_Surface_Finishes\" >\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 \u0641\u064a \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0637\u062d<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_Surface_Finishing_Core_Functions\"><\/span>\u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0644\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0627\u062f\u064a\u0629:\u064a\u0639\u0632\u0644 \u0627\u0644\u0646\u062d\u0627\u0633 \u0639\u0646 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u0645\u0639 \u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0631\u0637\u0648\u0628\u0629\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0648\u0627\u0644\u0643\u0628\u0631\u064a\u062a\u0627\u062a \u0648\u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u0627\u062a \u0627\u0644\u0645\u0633\u0628\u0628\u0629 \u0644\u0644\u062a\u0622\u0643\u0644;<br>\u062a\u062d\u0633\u064a\u0646 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645: \u062a\u0648\u0641\u064a\u0631 \u0648\u0627\u062c\u0647\u0629 \u0644\u062d\u0627\u0645 \u0645\u0633\u0637\u062d\u0629 \u0648\u062b\u0627\u0628\u062a\u0629 \u0644\u0636\u0645\u0627\u0646 \u0627\u062a\u0635\u0627\u0644 \u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u0628\u064a\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644 \uff0c \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645) \u0648\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629;<br>\u0636\u0645\u0627\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a: \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062b\u0628\u0627\u062a \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0644\u062a\u062c\u0646\u0628 \u062a\u0634\u0648\u0647\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0623\u0648 \u0645\u062e\u0627\u0637\u0631 \u062d\u062f\u0648\u062b \u0645\u0627\u0633 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0628\u0633\u0628\u0628 \u062a\u062f\u0647\u0648\u0631 \u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-1.jpg\" alt=\"\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-2948\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_importance_of_PCB_surface_treatment\"><\/span>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_purpose_to_solve_the_%E2%80%9Coxidation_problem%E2%80%9D_of_the_copper_surface\"><\/span>\u0627\u0644\u063a\u0631\u0636 \u0627\u0644\u0623\u0633\u0627\u0633\u064a: \u062d\u0644 \"\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0623\u0643\u0633\u062f\u0629\" \u0644\u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0633\u064a\u0648\u0644\u062f \u0627\u0644\u0646\u062d\u0627\u0633 \u0641\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0645\u0639 \u0648\u062c\u0648\u062f \u0627\u0644\u0623\u0643\u0633\u062c\u064a\u0646 \u0641\u064a \u0627\u0644\u0647\u0648\u0627\u0621\u060c \u0648\u062a\u0644\u0627\u0645\u0633 \u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u0627\u0621 \u0623\u0643\u0633\u064a\u062f \u0627\u0644\u0646\u062d\u0627\u0633 (CuO) \u0623\u0648 \u0643\u0631\u0628\u0648\u0646\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0642\u0644\u0648\u064a\u0629 (\u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0623\u062e\u0636\u0631)\u060c \u0648\u0647\u0630\u0647 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u0624\u0643\u0633\u062f\u0629 \u0633\u062a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u0637\u064a\u0628 \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645&amp;#8212\u061b \u0648\u064a\u062a\u062c\u0644\u0649 \u0630\u0644\u0643 \u0639\u0644\u0649 \u0648\u062c\u0647 \u0627\u0644\u062a\u062d\u062f\u064a\u062f \u0641\u064a \u0635\u0648\u0631\u0629 \u0644\u062d\u0627\u0645 \"\u064a\u0631\u0641\u0636 \u0627\u0644\u0644\u062d\u0627\u0645\"\u060c \u0623\u0648 \u0648\u0635\u0644\u0627\u062a \u0644\u062d\u0627\u0645 \u062e\u0627\u0637\u0626\u0629 \u0623\u0648 \u0645\u062a\u0634\u0642\u0642\u0629. \u064a\u0636\u0645\u0646 \u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0633\u0637\u062d \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633\u064a \u0646\u0634\u0637\u064b\u0627 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0644\u062d\u0627\u0645 \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u063a\u0637\u064a\u062a\u0647 \u0628\u0637\u0628\u0642\u0629 \u062a\u062d\u062c\u0628 \u0628\u0634\u0643\u0644 \u062c\u0630\u0631\u064a \u0645\u0633\u0627\u0631 \u062a\u0644\u0627\u0645\u0633 \u0627\u0644\u0646\u062d\u0627\u0633&#8217;\u0645\u0639 \u0627\u0644\u0645\u0624\u0643\u0633\u062f.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Industry_Importance_a_critical_process_throughout_the_PCB_life_cycle\"><\/span>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0635\u0646\u0627\u0639\u0629: \u0639\u0645\u0644\u064a\u0629 \u062d\u0627\u0633\u0645\u0629 \u0637\u0648\u0627\u0644 \u062f\u0648\u0631\u0629 \u062d\u064a\u0627\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>1-\u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/strong><br>\u0636\u0645\u0627\u0646 \u0625\u0646\u062a\u0627\u062c\u064a\u0629 SMT (\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a) \u0648\u062a\u0642\u0644\u064a\u0644 \u062a\u0643\u0627\u0644\u064a\u0641 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0645\u0644 \u0628\u0633\u0628\u0628 \u0636\u0639\u0641 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645;<br>\u064a\u0624\u062b\u0631 \u0627\u062a\u0633\u0627\u0642 \u0627\u0644\u0637\u0644\u0627\u0621 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0628\u0639\u062f \u0627\u0644\u0644\u062d\u0627\u0645 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644 \uff0c \u0634\u062f \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0642\u0648\u0629 \u0627\u0644\u0642\u0635).<\/p><p><strong>2- \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0648\u0627\u0644\u0646\u0642\u0644<br><\/strong>\u0641\u064a \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u062c\u0644\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0637\u0644\u0627\u0621 \u0623\u0646 \u064a\u0642\u0627\u0648\u0645 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u0631\u0630\u0627\u0630 \u0627\u0644\u0645\u0644\u062d \u0648\u0639\u0648\u0627\u0645\u0644 \u0628\u064a\u0626\u064a\u0629 \u0623\u062e\u0631\u0649 \u0644\u0644\u062a\u0622\u0643\u0644 (\u0645\u062b\u0644 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0633\u0627\u062d\u0644\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0639\u062f\u0627\u062a\u060c \u062a\u062d\u062a\u0627\u062c \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0625\u0644\u0649 \u0625\u064a\u0644\u0627\u0621 \u0627\u0647\u062a\u0645\u0627\u0645 \u062e\u0627\u0635 \u0644\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0645\u0646\u0639 \u0627\u0644\u0635\u062f\u0623);<br>\u062a\u062c\u0646\u0628 \u062a\u0644\u0641 \u0633\u0637\u062d \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0648\u0627\u0644\u0627\u0635\u0637\u062f\u0627\u0645 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0646\u0642\u0644.<\/p><p><strong>3- \u0627\u0644\u062a\u0643\u064a\u0641 \u0645\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0634\u0627\u0647\u062f<br><\/strong>\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 (\u0645\u062b\u0644 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0635\u0646\u0627\u0639\u064a) \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u0644\u0637\u0644\u0627\u0621 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0642\u0627\u062f\u0645 \u0644\u0645\u0646\u0639 \u062a\u062d\u0644\u0644 \u0627\u0644\u0637\u0644\u0627\u0621 \u0623\u0648 \u062a\u0623\u0643\u0633\u062f\u0647 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629;<br>\u0641\u064a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u064a\u0624\u062b\u0631 \u062a\u0633\u0637\u064a\u062d \u0627\u0644\u0637\u0644\u0627\u0621 \u0639\u0644\u0649 \u0641\u0642\u062f\u0627\u0646 \u0625\u0631\u0633\u0627\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u064a\u0634\u064a\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0645\u0644\u064a\u0629 \u063a\u0645\u0631 \u0627\u0644\u0630\u0647\u0628 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u063a\u0645\u0631 \u0627\u0644\u0630\u0647\u0628 \u0641\u064a \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0628\u0633\u0628\u0628 \u0627\u0644\u062a\u0648\u062d\u064a\u062f \u0627\u0644\u062c\u064a\u062f \u0644\u0644\u0637\u0644\u0627\u0621).<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"In-Depth_Comparison_of_7_PCB_Surface_Finishes\"><\/span>\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0639\u0645\u0642\u0629 \u0628\u064a\u0646 7 \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0644\u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Hot_Air_Solder_Leveling_HASL\"><\/span>1.\u062a\u0633\u0648\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646 (HASL)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0645\u0628\u062f\u0623 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/strong>:<br>\u064a\u0624\u062f\u064a \u063a\u0645\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0641\u064a \u0644\u062d\u0627\u0645 \u0645\u0635\u0647\u0648\u0631 \u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 260 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 (Sn63Pb37 \u0623\u0648 SAC305)\u060c \u0645\u062a\u0628\u0648\u0639\u064b\u0627 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646 \u0639\u0627\u0644\u064a \u0627\u0644\u0636\u063a\u0637 (400 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629) \u0645\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0632\u0627\u0626\u062f\u060c \u0625\u0644\u0649 \u0625\u0646\u0634\u0627\u0621 \u0623\u0633\u0637\u062d \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u0629 &#8220;\u060c \u0645\u062a\u0641\u0627\u0648\u062a\u0629 \u0627\u0644\u062a\u0644\u0627\u0644 &#8221;.<\/p><p><strong>\u0645\u062b\u0627\u0644\u064a \u0644\u0640<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 (\u0634\u0648\u0627\u062d\u0646\u060c \u0645\u062d\u0631\u0643\u0627\u062a LED)<\/li>\n\n<li>\u0627\u0644\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/li><\/ul><p><strong>\u0627\u0644\u062f\u0631\u0633 \u0627\u0644\u0635\u0639\u0628<\/strong>:<br>\u0648\u0627\u062c\u0647\u062a \u0625\u062d\u062f\u0649 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0641\u0631\u0627\u063a\u0627\u062a BGA \u0648\u0627\u0633\u0639\u0629 \u0627\u0644\u0627\u0646\u062a\u0634\u0627\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 HASL \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635\u060c \u0645\u0645\u0627 \u0623\u062f\u0649 \u0641\u064a \u0627\u0644\u0646\u0647\u0627\u064a\u0629 \u0625\u0644\u0649 \u0625\u0636\u0627\u0641\u0629 \u062e\u0637\u0648\u0629 \u0627\u0644\u062a\u0639\u0644\u064a\u0628 \u0627\u0644\u0645\u0633\u0628\u0642 \u0644\u0644\u0648\u062d\u0629 \u0645\u0645\u0627 \u0623\u062f\u0649 \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0628\u0645\u0642\u062f\u0627\u0631 0.17 \u062f\u0648\u0644\u0627\u0631\/\u0644\u0648\u062d\u0629.<\/p><p><strong>\u0627\u0644\u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u062d\u0631\u062c\u0629<\/strong>:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th><th>\u0627\u0644\u0647\u062f\u0641<\/th><th>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641<\/th><\/tr><\/thead><tbody><tr><td>\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0645\u0644\u062d\u0648\u0645<\/td><td>&amp;lt\u061b 0.7%<\/td><td>\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0647\u0634\u0629<\/td><\/tr><tr><td>\u0632\u0627\u0648\u064a\u0629 \u0633\u0643\u064a\u0646 \u0627\u0644\u0647\u0648\u0627\u0621<\/td><td>75\u00b0\u00b12\u00b0<\/td><td>\u0633\u0645\u0643 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064d<\/td><\/tr><tr><td>\u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u0628\u0631\u064a\u062f<\/td><td>4 \u062f\u0631\u062c\u0627\u062a \u0645\u0626\u0648\u064a\u0629\/\u062b\u0627\u0646\u064a\u0629<\/td><td>\u0627\u0644\u062e\u0634\u0648\u0646\u0629 \u0627\u0644\u0645\u0641\u0631\u0637\u0629<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Electroless_Nickel_Immersion_Gold_ENIG\"><\/span>2.\u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0645\u063a\u0645\u0648\u0631 \u0628\u0627\u0644\u0646\u064a\u0643\u0644 \u0639\u062f\u064a\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (ENIG)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0647\u064a\u0643\u0644\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0629<\/strong>:<br>&#8220;Sandwich&#8221; deposition: \u0646\u064a \u0639\u062f\u064a\u0645 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0644\u064a\u062a (3-5 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631) \u2192 \u0625\u0632\u0627\u062d\u0629 Au (0.05-0.1 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631). \u064a\u0639\u0645\u0644 \u0627\u0644\u0646\u064a\u0643\u0644 \u0643\u062c\u062f\u0627\u0631 \u062d\u0645\u0627\u064a\u0629 \u0646\u062d\u0627\u0633\u064a &#8220;&#8220;\u0646\u062d\u0627\u0633&#8220;\u060c&#8221; Au \u0643\u0648\u0627\u062c\u0647\u0629 \u0644\u062d\u0627\u0645&#8220;&#8221;<\/p><p><strong>\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f<\/strong>:<br>\u0627\u062e\u062a\u0627\u0631\u062a \u0644\u0648\u062d\u0629 \u0631\u0627\u062f\u0627\u0631 \u0627\u0644\u0645\u0648\u062c\u0627\u062a mmWave \u0644\u0648\u062d\u0629 \u0631\u0627\u062f\u0627\u0631 ENIG \u0639\u0644\u0649 OSP \u0644\u0623\u0646 \u062e\u0633\u0627\u0631\u0629 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u062c\u0644\u062f \u0641\u064a Au&amp;8217 \u0643\u0627\u0646\u062a \u0623\u0642\u0644 \u0628\u0646\u0633\u0628\u0629 23% (@77 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632).<\/p><p><strong>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 \u0627\u0644\u0633\u0648\u062f\u0627\u0621<\/strong>:<br>\u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u062c\u0627\u0648\u0632 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062d\u0645\u0627\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 91 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629\u060c \u064a\u0634\u0643\u0644 \u0627\u0646\u0641\u0635\u0627\u0644 \u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631 \u0623\u0637\u0648\u0627\u0631 Ni3P \u0627\u0644\u0647\u0634\u0629 (\u064a\u064f\u0638\u0647\u0631 SEM &#8220;SEM \u062a\u0634\u0642\u0642\u064b\u0627&#8221; \u0645\u0648\u0631\u0641\u0648\u0644\u0648\u062c\u064a\u0627). \u0627\u0644\u0648\u0642\u0627\u064a\u0629:<\/p><ul class=\"wp-block-list\"><li>\u0623\u0636\u0641 \u0645\u062e\u0632\u0646 \u062d\u0645\u0636 \u0627\u0644\u0633\u062a\u0631\u064a\u0643 \u0627\u0644\u0639\u0627\u0632\u0644<\/li>\n\n<li>\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0627\u0644\u0646\u0628\u0636\u064a<\/li>\n\n<li>\u062a\u0636\u0645\u064a\u0646 \u0627\u0644\u062d\u0641\u0631 \u0627\u0644\u062c\u0632\u0626\u064a \u0642\u0628\u0644 \u062a\u0631\u0633\u064a\u0628 \u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0623\u0633\u0648\u062f<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Organic_Solderability_Preservative_OSP\"><\/span>3.\u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u062d\u0627\u0641\u0638\u0629 \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0639\u0636\u0648\u064a (OSP)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062c\u0632\u064a\u0626\u064a\u0629<\/strong>:<br>\u062a\u0634\u0643\u0644 \u0645\u062e\u0644\u0651\u0628\u0627\u062a \u0627\u0644\u0628\u0646\u0632\u064a\u0645\u064a\u062f\u0627\u0632\u0648\u0644-\u0627\u0644\u0646\u062d\u0627\u0633 \u0623\u063a\u0634\u064a\u0629 \u0645\u0646 0.2 \u0625\u0644\u0649 0.5 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u062a\u0642\u0627\u0648\u0645 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0644\u0645\u062f\u0629 6 \u0623\u0634\u0647\u0631.<\/p><p><strong>\u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0645\u0641\u0636\u0644 5G 5G<\/strong>:<br>\u0648\u0641\u0631\u062a \u0644\u0648\u062d\u0629 \u0648\u062d\u062f\u0629 AAU \u0644\u0644\u0645\u062d\u0637\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645 OSP+LDI 4.2 \u062f\u0648\u0644\u0627\u0631\u064b\u0627 \u0623\u0645\u0631\u064a\u0643\u064a\u064b\u0627 \u0644\u0643\u0644 \u0645\u062a\u0631 \u0645\u0631\u0628\u0639 \u0645\u0642\u0627\u0628\u0644 ENIG \u0645\u0639 \u062e\u0633\u0627\u0631\u0629 \u0625\u062f\u062e\u0627\u0644 \u0623\u0642\u0644 \u0628\u0645\u0642\u062f\u0627\u0631 0.3 \u062f\u064a\u0633\u064a\u0628\u0644\/\u0633\u0645 (\u0639\u0646\u062f 28 \u062c\u064a\u062c\u0627\u0647\u0631\u062a\u0632).<\/p><p><strong>\u0645\u0627 \u0644\u0627 \u064a\u062c\u0628 \u062a\u062e\u0632\u064a\u0646\u0647 \u0648\u0645\u0627 \u0644\u0627 \u064a\u062c\u0628 \u062a\u062e\u0632\u064a\u0646\u0647<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0631\u0637\u0628\u0629&gt;60\u066a \u064a\u0633\u0628\u0628 \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u0645\u0627\u0626\u064a \u0644\u0644\u0641\u064a\u0644\u0645<\/li>\n\n<li>\u062a\u062e\u0644\u0642 \u0627\u0644\u0639\u0628\u0648\u0627\u062a \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0643\u0628\u0631\u064a\u062a \u0628\u0642\u0639\u064b\u0627 \u0633\u0648\u062f\u0627\u0621 Cu2S<\/li>\n\n<li>\u064a\u062c\u0628 SMT \u0641\u064a \u063a\u0636\u0648\u0646 24 \u0633\u0627\u0639\u0629 \u0628\u0639\u062f \u0627\u0644\u062a\u0641\u0631\u064a\u063a<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Immersion_Tin_ImSn\"><\/span>4.\u0627\u0644\u0642\u0635\u062f\u064a\u0631 \u0627\u0644\u063a\u0627\u0637\u0633 (ImSn)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629<\/strong>:<br>\u064a\u062d\u062f\u062f \u0633\u0645\u0643 Cu6Sn5 \u0627\u0644\u0628\u064a\u0646\u064a \u0627\u0644\u0645\u0639\u062f\u0646\u064a (\u0627\u0644\u0645\u062b\u0627\u0644\u064a: 1.2-1.8 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u0639\u0646 \u0637\u0631\u064a\u0642 EDX) \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629.<\/p><p><strong>\u0646\u062c\u0627\u062d \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/strong>:<br>\u0627\u062c\u062a\u0627\u0632\u062a \u0648\u062d\u062f\u0629 \u0648\u062d\u062f\u0629 ECU 3000 \u0645\u0631\u0629 -40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 ~ 125 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0639 ImSn \u0645\u0642\u0627\u0628\u0644 2400 \u0645\u0631\u0629 ENIG&amp;8217;2400 \u0645\u0631\u0629.<\/p><p><strong>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0646\u0645\u0648 \u0634\u0639\u064a\u0631\u0627\u062a \u0627\u0644\u0642\u0635\u062f\u064a\u0631 (\u064a\u062a\u0645 \u0643\u0628\u062d\u0647\u0627 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0642\u0628\u0644 \u0627\u0644\u062a\u0642\u0627\u062f\u0645)<\/li>\n\n<li>\u0627\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0645\u062a\u0628\u0627\u062f\u0644 \u0641\u064a \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0630\u0627\u062a \u0627\u0644\u0648\u062c\u0647\u064a\u0646<\/li>\n\n<li>\u063a\u064a\u0631 \u0645\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0631\u0628\u0637 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-2.jpg\" alt=\"\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-2949\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Immersion_Silver_ImAg\"><\/span>5.\u0627\u0644\u0641\u0636\u0629 \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 (ImAg)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u062d\u0627\u0641\u0629 \u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/strong>:<br>\u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u062f\u0631\u0627\u062c 10 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632 \u0623\u0642\u0644 \u0628\u0646\u0633\u0628\u0629 15% \u0645\u0646 ENIG (\u062d\u0633\u0628 IPC-601212B).<\/p><p><strong>\u0627\u0644\u062a\u062f\u0627\u0628\u064a\u0631 \u0627\u0644\u0645\u0636\u0627\u062f\u0629 \u0644\u0644\u0647\u062c\u0631\u0629<\/strong>:<br>&#8220;\u0645\u0646\u0634\u0637\u0627\u062a \u0627\u0644\u062c\u0633\u064a\u0645\u0627\u062a \u0627\u0644\u0646\u0627\u0646\u0648\u064a\u0629&amp;#8221\u061b \u062a\u0631\u0641\u0639 \u0639\u062a\u0628\u0629 \u0627\u0644\u062a\u0631\u062d\u064a\u0644 \u0645\u0646 3.1 \u0641\u0648\u0644\u062a \u0625\u0644\u0649 5.6 \u0641\u0648\u0644\u062a \u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0628\u062c\u0647\u062f 48 \u0641\u0648\u0644\u062a.<\/p><p><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0633\u0645\u0627\u0643\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u062b\u064a\u0648\u0643\u0628\u0631\u064a\u062a\u0627\u062a \u0627\u0644\u0635\u0648\u062f\u064a\u0648\u0645 \u0643\u0645\u062b\u0628\u0637<\/li>\n\n<li>\u062e\u0632\u0627\u0646 \u0637\u0644\u0627\u0621 \u0645\u0646 \u0646\u0648\u0639 \u0627\u0644\u0631\u0630\u0627\u0630<\/li>\n\n<li>\u0627\u0644\u062a\u062e\u0645\u064a\u0644 \u0628\u0627\u0644\u0643\u0631\u0648\u0645\u0627\u062a \u0628\u0639\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0628\u0627\u0644\u0643\u0631\u0648\u0645\u0627\u062a<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Electroless_Nickel_Electroless_Palladium_Immersion_Gold_ENEPIG\"><\/span>6.\u0630\u0647\u0628 \u0627\u0644\u0646\u064a\u0643\u0644 \u0639\u062f\u064a\u0645 \u0627\u0644\u0646\u064a\u0643\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0639\u062f\u064a\u0645 \u0627\u0644\u0628\u0644\u0627\u062f\u064a\u0648\u0645 \u0627\u0644\u0645\u063a\u0645\u0648\u0631 \u0628\u0627\u0644\u0628\u0644\u0627\u062f\u064a\u0648\u0645 (ENEPIG)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0628\u062a\u0643\u0627\u0631 \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/strong>:<br>0.1-0.2 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 Pd \u0628\u064a\u0646 \u0627\u0644\u0646\u064a\u0643\u0644 (3-4 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631) \u0648\u0627\u0644\u0640 Au (0.03-0.05 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631) \u064a\u0645\u0646\u0639 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u0623\u0648\u0643\u062a\u0627\u0646\u0648\u0644.<\/p><p><strong>\u062a\u0637\u0628\u064a\u0642 SiP<\/strong>:<br>\u062d\u0642\u0642\u062a \u0627\u0644\u062d\u0632\u0645\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0644\u062d\u0627\u0645 \u0633\u0644\u0643 Au\/SnAgCu \u0627\u0644\u0645\u062e\u062a\u0644\u0637 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 ENEPIG.<\/p><p><strong>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0633\u064f\u0645\u0643 Pd \u0627\u0644\u0645\u062a\u062f\u0631\u062c (0.15 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u062d\u0627\u0641\u0629\/ 0.08 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u0645\u0631\u0643\u0632)<\/li>\n\n<li>\u0633\u0628\u064a\u0643\u0629 Pd-Co \u0628\u062f\u0644\u0627\u064b \u0645\u0646 Pd \u0627\u0644\u0646\u0642\u064a<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Electrolytic_Hard_Gold\"><\/span>7. \u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0635\u0644\u0628 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0644\u064a\u062a\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u0639\u0633\u0643\u0631\u064a\u0629<\/strong>:<br>\u064a\u0642\u0627\u0648\u0645 \u0627\u0644\u0630\u0647\u0628 \u0627\u0644\u0645\u0637\u0639\u0651\u0645 \u0628\u0645\u0627\u062f\u0629 Co (1-3 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631) \u0628\u0635\u0644\u0627\u0628\u0629 180HV \u062a\u0622\u0643\u0644\u064b\u0627 \u0623\u0643\u062b\u0631 \u0645\u0646 ENIG \u0628\u0645\u0642\u062f\u0627\u0631 50 \u0636\u0639\u0641\u064b\u0627.<\/p><p><strong>\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0644<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0634\u0637\u0628\u0629 \u0627\u0644\u0625\u0635\u0628\u0639 \u0627\u0644\u0630\u0647\u0628\u064a: 30 \u062f\u0631\u062c\u0629 \u00b1 1 \u062f\u0631\u062c\u0629<\/li>\n\n<li>\u0633\u0645\u0643 \u0646\u064a \u22655 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631<\/li>\n\n<li>\u0645\u0637\u0644\u0648\u0628 \u0645\u0646\u0627\u0637\u0642 \u0627\u0646\u062a\u0642\u0627\u0644\u064a\u0629 3 \u0645\u0645<\/li><\/ul><p><strong>\u0641\u062e \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/strong>:<br>\u0632\u0627\u062f\u062a \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u063a\u064a\u0631 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0641\u064a \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u062e\u0644\u0641\u064a\u0629&amp;8217 \u0645\u0646 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u0646\u0647\u0627\u0621 \u0645\u0646 8% \u0625\u0644\u0649 34% \u0645\u0646 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selection_Decision_Tree\"><\/span>\u0634\u062c\u0631\u0629 \u0642\u0631\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"549\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree.jpg\" alt=\"\u0634\u062c\u0631\u0629 \u0642\u0631\u0627\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\" class=\"wp-image-2946\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree.jpg 723w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree-300x228.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree-16x12.jpg 16w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree-600x456.jpg 600w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Common_Failure_Clinics\"><\/span>5 \u0639\u064a\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639 5 \u0639\u064a\u0627\u062f\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0634\u0627\u0626\u0639<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u06331: \u0627\u0644\u0628\u0642\u0627\u064a\u0627 \u0627\u0644\u0633\u0648\u062f\u0627\u0621 \u0639\u0644\u0649 \u0648\u0633\u0627\u062f\u0627\u062a ENIG \u0628\u0639\u062f \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u061f<\/strong><br>\u2192 &#8220;&#8220;\u062a\u0642\u0635\u0641 \u0627\u0644\u0630\u0647\u0628&#8221;! \u062a\u062d\u0642\u0642 \u0641\u0648\u0631\u0627\u064b:<\/p><ol class=\"wp-block-list\"><li>\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u0632-\u0628\u064a (7-9% \u0645\u062b\u0627\u0644\u064a)<\/li>\n\n<li>\u0633\u0645\u0643 Au &gt;0.08 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631\u061f<\/li>\n\n<li>\u0645\u062d\u062a\u0648\u0649 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0644\u0635\u0642<\/li><\/ol><p><strong>\u06332: \u0647\u0644 \u062a\u0648\u062c\u062f \u0634\u0639\u064a\u0631\u0627\u062a \u0645\u0646 \u0627\u0644\u0642\u0635\u062f\u064a\u0631 \u0639\u0644\u0649 \u0645\u0627\u062f\u0629 ImSn \u0628\u0639\u062f \u062a\u062e\u0632\u064a\u0646\u0647\u0627 \u0644\u0645\u062f\u0629 3 \u0623\u0634\u0647\u0631\u061f<\/strong><br>\u2192 \u062a\u0646\u0641\u064a\u0630 &#8220;\u0625\u0646\u0642\u0627\u0630 \u0627\u0644\u062b\u0644\u0627\u062b\u064a &#8220;\u0625\u0646\u0642\u0627\u0630 \u0627\u0644\u062b\u0644\u0627\u062b\u064a&#8221;:<\/p><ol class=\"wp-block-list\"><li>\u062e\u064e\u0628\u0632 150 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u0645\u062f\u0629 2 \u0633\u0627\u0639\u0629<\/li>\n\n<li>\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0646\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u0636\u0627\u062f \u0644\u0644\u0627\u0646\u062a\u0634\u0627\u0631<\/li>\n\n<li>\u0642\u0645 \u0628\u0627\u0644\u062a\u0628\u062f\u064a\u0644 \u0625\u0644\u0649 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0642\u0635\u062f\u064a\u0631 \u063a\u064a\u0631 \u0627\u0644\u0644\u0627\u0645\u0639<\/li><\/ol><p><strong>\u06333: \u0647\u0644 \u062a\u064f\u0638\u0647\u0631 \u0623\u0644\u0648\u0627\u062d OSP \u0642\u0627\u0628\u0644\u064a\u0629 \u0631\u0637\u0648\u0628\u0629 \u0636\u0639\u064a\u0641\u0629 \u0628\u0639\u062f \u0639\u0645\u0644\u064a\u0627\u062a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629\u061f<\/strong><br>\u2192 \u064a\u062a\u062d\u0644\u0644 \u0627\u0644\u0641\u064a\u0644\u0645 \u0627\u0644\u0639\u0636\u0648\u064a! \u0627\u062a\u0628\u0639 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a:<\/p><ol class=\"wp-block-list\"><li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0644\u0645 \u062a\u062a\u062c\u0627\u0648\u0632 245 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/li>\n\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u062e\u0632\u064a\u0646 &amp;#8211\u061b \u064a\u062a\u062d\u0644\u0644 OSP \u0628\u0639\u062f 6 \u0623\u0634\u0647\u0631<\/li>\n\n<li>\u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0625\u0636\u0627\u0641\u0629 \u062c\u0648 \u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li><\/ol><p><strong>\u06334: \u0647\u0644 \u062a\u0641\u0634\u0644 \u0644\u0648\u062d\u0627\u062a ENEPIG \u0641\u064a \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0633\u062d\u0628 \u0627\u0644\u0633\u0646\u062f\u0627\u062a \u0627\u0644\u0633\u0644\u0643\u064a\u0629\u061f<\/strong><br>\u2192 \u0639\u0627\u062f\u0629\u060c \u0645\u0634\u0643\u0644\u0629 \u0637\u0628\u0642\u0629 \u0627\u0644\u0628\u0644\u0627\u062f\u064a\u0648\u0645:<\/p><ol class=\"wp-block-list\"><li>\u0642\u064a\u0627\u0633 \u0633\u064f\u0645\u0643 Pd (0.15-0.25 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631 \u0645\u062b\u0627\u0644\u064a)<\/li>\n\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0643\u0633\u062f\u0629 Pd (\u064a\u0648\u0635\u0649 \u0628\u062a\u062d\u0644\u064a\u0644 XPS)<\/li>\n\n<li>\u0636\u0628\u0637 \u0627\u0644\u0623\u0633 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u064a \u0644\u062d\u0645\u0627\u0645 PD \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 8.2-8.6<\/li><\/ol><p><strong>\u06335: \u0647\u0644 \u0644\u062f\u064a\u0643 \u0623\u0644\u0648\u0627\u062d HASL \u0630\u0627\u062a \u0633\u0645\u0627\u0643\u0629 \u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u0629\u061f<\/strong><br>\u2192 \u064a\u0644\u0632\u0645 \u0645\u0639\u0627\u064a\u0631\u0629 \u0633\u0643\u064a\u0646 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629:<\/p><ol class=\"wp-block-list\"><li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0636\u063a\u0637 \u0633\u0643\u064a\u0646 \u0627\u0644\u0647\u0648\u0627\u0621 (25-35 \u0631\u0637\u0644\/\u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629 \u0646\u0645\u0648\u0630\u062c\u064a)<\/li>\n\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u0633\u0648\u064a\u0629 (3-5 \u062b\u0648\u0627\u0646\u064d \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u0623\u0645\u062b\u0644)<\/li>\n\n<li>\u0627\u0641\u062d\u0635 \u062a\u0631\u0643\u064a\u0628\u0627\u062a \u062f\u0639\u0645 \u0627\u0644\u0644\u0648\u062d \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0627\u0639\u0648\u062c\u0627\u062c \u0641\u064a \u0627\u0644\u0644\u0648\u062d<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pro_Tips_from_PCB_Manufacturers\"><\/span>\u0646\u0635\u0627\u0626\u062d \u0644\u0644\u0645\u062d\u062a\u0631\u0641\u064a\u0646 \u0645\u0646 <a href=\"https:\/\/www.topfastpcb.com\/ar\/\">\u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>HASL<\/strong> &amp;#8211\u061b \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0644\u0648\u0627\u062d \u0645\u0632\u062f\u0648\u062c\u0629 \u0627\u0644\u0648\u062c\u0647\u060c \u0627\u0637\u0644\u0628 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c\u0629&amp;#8221\u061b \u0644\u0645\u0646\u0639 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0638\u0644<\/li>\n\n<li><strong>ENIG<\/strong> &amp;#8211\u061b \u062d\u062f\u062f \u062f\u0627\u0626\u0645\u064b\u0627 &#8220;\u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631&amp;8221\u061b \u0627\u0644\u0646\u064a\u0643\u0644 (6-9% \u0641\u0648\u0633\u0641\u0648\u0631) \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0623\u0641\u0636\u0644 \u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/li>\n\n<li><strong>OSP<\/strong> &amp;#8211\u061b \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629\u060c \u0627\u062e\u062a\u0631 \u062a\u0631\u0643\u064a\u0628\u0627\u062a OSP \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 3&amp;8221<\/li>\n\n<li><strong>\u0625\u064a\u0645\u0633\u0646<\/strong> &amp;#8211\u061b \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0641\u064a \u062e\u0632\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u064a\u062a\u0631\u0648\u062c\u064a\u0646 \u064a\u0637\u064a\u0644 \u0641\u062a\u0631\u0629 \u0627\u0644\u0635\u0644\u0627\u062d\u064a\u0629 \u0645\u0646 6 \u0625\u0644\u0649 12 \u0634\u0647\u0631\u064b\u0627<\/li>\n\n<li><strong>ImAg<\/strong> &amp;#8211\u061b \u0623\u0636\u0641 \u0645\u0639\u0627\u0644\u062c\u0629 \u0645\u0636\u0627\u062f\u0629 \u0644\u0644\u062a\u0644\u0637\u064a\u062e \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0633\u062a\u062e\u0636\u0639 \u0644\u062f\u0648\u0631\u0627\u062a \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629<\/li>\n\n<li><strong>ENEPIG<\/strong> &amp;#8211\u061b \u062d\u062f\u062f &#8220;\u0646\u064a\u0643\u0644 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0625\u062c\u0647\u0627\u062f&amp;8221; \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u0631\u0646\u0629<\/li>\n\n<li><strong>\u0647\u0627\u0631\u062f \u062c\u0648\u0644\u062f<\/strong> &amp;#8211\u061b \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0648\u0628\u0627\u0644\u062a 0.1-0.3% \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u062b\u0644\u0649<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cost-Performance_Tradeoff_Analysis\"><\/span>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0641\u0627\u0636\u0644\u0629 \u0628\u064a\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0627\u0644\u0625\u0646\u0647\u0627\u0621<\/th><th>\u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0646\u0633\u0628\u064a\u0629<\/th><th>\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/th><th>\u0645\u062f\u0629 \u0627\u0644\u0635\u0644\u0627\u062d\u064a\u0629<\/th><th>\u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/th><\/tr><\/thead><tbody><tr><td>HASL<\/td><td>$<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><td>12 \u0634\u0647\u0631\u0627\u064b<\/td><td>\u0639\u0627\u0644\u064a\u0629<\/td><\/tr><tr><td>ENIG<\/td><td>$$$$<\/td><td>\u2605\u2605\u2605\u2606\u2606<\/td><td>12 \u0634\u0647\u0631\u0627\u064b<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><\/tr><tr><td>OSP<\/td><td>$<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><td>6 \u0623\u0634\u0647\u0631<\/td><td>\u0627\u0644\u0623\u0642\u0644<\/td><\/tr><tr><td>\u0625\u064a\u0645\u0633\u0646<\/td><td>$$<\/td><td>\u2605\u2605\u2605\u2605\u2605<\/td><td>6 \u0623\u0634\u0647\u0631<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><\/tr><tr><td>ImAg<\/td><td>$$$<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><td>9 \u0623\u0634\u0647\u0631<\/td><td>\u0645\u0646\u062e\u0641\u0636\u0629<\/td><\/tr><tr><td>ENEPIG<\/td><td>$$$$$<\/td><td>\u2605\u2605\u2605\u2606\u2606<\/td><td>12 \u0634\u0647\u0631\u0627\u064b<\/td><td>\u0645\u062a\u0648\u0633\u0637<\/td><\/tr><tr><td>\u0647\u0627\u0631\u062f \u062c\u0648\u0644\u062f<\/td><td>$$$$$$<\/td><td>\u2605\u2605\u2606\u2606\u2606<\/td><td>24 \u0634\u0647\u0631\u064b\u0627<\/td><td>\u0639\u0627\u0644\u064a\u0629<\/td><\/tr><\/tbody><\/table><\/figure><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-4.jpg\" alt=\"\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-2950\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-4.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-4-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes-4-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Future_Trends_in_Surface_Finishes\"><\/span>\u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 \u0641\u064a \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0637\u062d<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>\u0645\u0631\u0643\u0628 \u0627\u0644\u0646\u0627\u0646\u0648 \u0627\u0644\u0645\u0631\u0643\u0628 \u0627\u0644\u0646\u0627\u0646\u0648\u064a OSP<\/strong> &amp;#8211\u061b \u062a\u064f\u0638\u0647\u0631 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0645\u062d\u0633\u0651\u0646\u0629 \u0645\u0646 \u0627\u0644\u062c\u0631\u0627\u0641\u064a\u0646 \u0645\u062f\u0629 \u0635\u0644\u0627\u062d\u064a\u0629 \u0623\u0637\u0648\u0644 \u0628\u0645\u0631\u062a\u064a\u0646 \u0641\u064a \u0627\u0644\u062a\u062c\u0627\u0631\u0628<\/li>\n\n<li><strong>ENIG \u0628\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629<\/strong> &amp;#8211\u061b \u062a\u0633\u0645\u062d \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0627\u062a \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0628\u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 65 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629<\/li>\n\n<li><strong>\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0646\u062a\u0642\u0627\u0626\u064a\u0629<\/strong> &amp;#8211\u061b \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 \u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0639\u0644\u0649 \u0623\u0644\u0648\u0627\u062d \u0648\u0627\u062d\u062f\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644 \uff0c ENIG + OSP)<\/li>\n\n<li><strong>\u0623\u0641\u0644\u0627\u0645 \u0627\u0644\u0634\u0641\u0627\u0621 \u0627\u0644\u0630\u0627\u062a\u064a<\/strong> &amp;#8211\u061b \u0646\u0638\u0627\u0645 OSP \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a \u0627\u0644\u0630\u064a \u064a\u0635\u0644\u062d \u0627\u0644\u062e\u062f\u0648\u0634 \u0627\u0644\u0637\u0641\u064a\u0641\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n\n<li><strong>\u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0647\u0627\u0644\u0648\u062c\u064a\u0646<\/strong> &amp;#8211\u061b \u062a\u0644\u0628\u064a\u0629 \u0627\u0644\u0644\u0648\u0627\u0626\u062d \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0627\u0644\u0642\u0627\u062f\u0645\u0629 \u0644\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a<\/li><\/ol><p>\u0639\u0646\u062f \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0633\u0637\u062d\u064a\u0629\u060c \u062a\u0630\u0643\u0631: \u0644\u0627 \u064a\u0648\u062c\u062f &#8220;\u0627\u0644\u0623\u0641\u0636\u0644&#8221;\u060c \u0644\u0627 \u064a\u0648\u062c\u062f \u062e\u064a\u0627\u0631 \u0639\u0627\u0644\u0645\u064a &#8220;\u060c \u0627\u0644\u0623\u0641\u0636\u0644&#8221; \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0641\u0636\u0644&#8221; \u0641\u0642\u0637 \u0627\u0644\u062d\u0644 \u0627\u0644\u0623\u0646\u0633\u0628 \u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643\u060c \u0648\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u064a\u0632\u0627\u0646\u064a\u0629\u060c \u0648\u0642\u062f\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639. \u0644\u064a\u0633 \u0628\u0627\u0644\u0636\u0631\u0648\u0631\u0629 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0644\u0645\u0633\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0627\u0644\u0623\u063a\u0644\u0649 \u062b\u0645\u0646\u0627\u064b \u0647\u064a \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0635\u062d\u064a\u062d\u060c \u062a\u0645\u0627\u0645\u0627\u064b \u0643\u0645\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0643\u062b\u0631 \u0627\u0642\u062a\u0635\u0627\u062f\u0627\u064b \u0625\u0644\u0649 \u0641\u0634\u0644 \u0645\u064a\u062f\u0627\u0646\u064a. \u0642\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u0627\u0642\u0639\u064a \u0645\u0639 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0641\u0639\u0644\u064a \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0648\u0645\u0643\u0648\u0646\u0627\u062a\u0647 \u0642\u0628\u0644 \u0627\u0644\u0627\u0646\u062a\u0647\u0627\u0621 \u0645\u0646 \u0627\u062e\u062a\u064a\u0627\u0631\u0643.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0645\u0646 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0641\u0636\u0627\u0626\u064a\u0629\u060c \u062a\u0624\u062b\u0631 \u0627\u0644\u062a\u0634\u0637\u064a\u0628\u0627\u062a \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0628\u0634\u0643\u0644 \u062d\u0627\u0633\u0645 \u0639\u0644\u0649 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u062c.\u064a\u0641\u062d\u0635 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 7 \u0639\u0645\u0644\u064a\u0627\u062a \u0631\u0626\u064a\u0633\u064a\u0629 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629\u060c \u0648\u064a\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641\/\u0627\u0644\u0623\u062f\u0627\u0621\u060c \u0648\u064a\u0643\u0634\u0641 \u0639\u0646 \u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0645\u062b\u0644 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 \u0627\u0644\u0633\u0648\u062f\u0627\u0621 ENIG \u0648\u0627\u0644\u0643\u0631\u0628\u0646\u0629 OSP\u060c \u0648\u064a\u0648\u0641\u0631 \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0645\u062e\u062a\u0644\u0641 \u0627\u0644\u0645\u064a\u0632\u0627\u0646\u064a\u0627\u062a\/\u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a.<\/p>","protected":false},"author":1,"featured_media":2947,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[266],"class_list":["post-2945","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb-surface-finishes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is PCB Surface Finishes? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is PCB Surface Finishes? - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T00:32:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"What is PCB Surface Finishes?\",\"datePublished\":\"2025-06-01T00:32:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/\"},\"wordCount\":1180,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg\",\"keywords\":[\"PCB Surface Finishes\"],\"articleSection\":[\"FAQ\"],\"inLanguage\":\"ar\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/\",\"name\":\"What is PCB Surface Finishes? - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg\",\"datePublished\":\"2025-06-01T00:32:00+00:00\",\"description\":\"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg\",\"width\":600,\"height\":402,\"caption\":\"PCB Surface Finishes\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is PCB Surface Finishes?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\",\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"sameAs\":[\"http:\/\/www.topfastpcb.com\"],\"url\":\"https:\/\/www.topfastpcb.com\/ar\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is PCB Surface Finishes? - Topfastpcb","description":"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/","og_locale":"ar_AR","og_type":"article","og_title":"What is PCB Surface Finishes? - Topfastpcb","og_description":"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.","og_url":"https:\/\/www.topfastpcb.com\/ar\/blog\/what-is-pcb-surface-finishes\/","og_site_name":"Topfastpcb","article_published_time":"2025-06-01T00:32:00+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629":"\u6258\u666e\u6cd5\u65af\u7279","\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"7 \u062f\u0642\u0627\u0626\u0642"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"What is PCB Surface Finishes?","datePublished":"2025-06-01T00:32:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/"},"wordCount":1180,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg","keywords":["PCB Surface Finishes"],"articleSection":["FAQ"],"inLanguage":"ar"},{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/","url":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/","name":"What is PCB Surface Finishes? - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg","datePublished":"2025-06-01T00:32:00+00:00","description":"In-depth comparison of 7 PCB surface finish processes (HASL\/ENIG\/OSP\/Immersion Tin\/Immersion Silver\/ENEPIG\/Electrolytic Hard Gold), including their pros\/cons, selection criteria, and solutions to 5 common soldering failures.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#breadcrumb"},"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/PCB-Surface-Finishes.jpg","width":600,"height":402,"caption":"PCB Surface Finishes"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/what-is-pcb-surface-finishes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"What is PCB Surface Finishes?"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a","name":"\u6258\u666e\u6cd5\u65af\u7279","sameAs":["http:\/\/www.topfastpcb.com"],"url":"https:\/\/www.topfastpcb.com\/ar\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/2945","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/comments?post=2945"}],"version-history":[{"count":3,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/2945\/revisions"}],"predecessor-version":[{"id":2953,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/posts\/2945\/revisions\/2953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/media\/2947"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/media?parent=2945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/categories?post=2945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/ar\/wp-json\/wp\/v2\/tags?post=2945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}