{"id":5223,"date":"2026-03-15T08:32:00","date_gmt":"2026-03-15T00:32:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5223"},"modified":"2026-03-10T17:27:50","modified_gmt":"2026-03-10T09:27:50","slug":"pcb-solder-mask-design-guidelines","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/","title":{"rendered":"G\u00fcvenilir \u00dcretim i\u00e7in PCB Lehim Maskesi Tasar\u0131m Y\u00f6nergeleri"},"content":{"rendered":"<p>Lehim maskesi, bask\u0131l\u0131 devre kart\u0131 \u00fczerindeki en g\u00f6r\u00fcn\u00fcr katmanlardan biridir. Bak\u0131r izleri kaplarken bile\u015fen pedlerini lehimleme i\u00e7in a\u00e7\u0131kta b\u0131rak\u0131r.<\/p><p>Lehim maskesi basit g\u00f6r\u00fcnse de, yanl\u0131\u015f tasar\u0131m, a\u015fa\u011f\u0131dakiler de dahil olmak \u00fczere \u00e7e\u015fitli \u00fcretim ve montaj sorunlar\u0131na yol a\u00e7abilir:<\/p><ul class=\"wp-block-list\"><li>pedler aras\u0131nda lehim k\u00f6pr\u00fcleri<\/li>\n\n<li>zay\u0131f lehim ba\u011flant\u0131lar\u0131<\/li>\n\n<li>a\u00e7\u0131kta kalan bak\u0131r alanlar<\/li>\n\n<li>Azalt\u0131lm\u0131\u015f PCB verimi<\/li><\/ul><p>Uygun bir \u015fekilde <strong>PCB lehim maskesi tasar\u0131m y\u00f6nergeleri<\/strong> maske katman\u0131n\u0131n hem fabrikasyon hem de montaj s\u00fcre\u00e7lerini desteklemesini sa\u011flar.<\/p><p>Bu k\u0131lavuz, m\u00fchendislerin lehim maskesi a\u00e7\u0131kl\u0131klar\u0131 ve bo\u015fluklar\u0131 olu\u015ftururken g\u00f6z \u00f6n\u00fcnde bulundurmalar\u0131 gereken temel tasar\u0131m parametrelerini a\u00e7\u0131klamaktad\u0131r.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"437\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask.jpg\" alt=\"PCB Lehim Maskesi\" class=\"wp-image-5224\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-300x219.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><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\">\u0130\u00e7indekiler<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#What_Is_PCB_Solder_Mask\" >PCB Lehim Maskesi Nedir?<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Types_of_Solder_Mask\" >Lehim Maskesi T\u00fcrleri<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Liquid_Photoimageable_Solder_Mask_LPI\" >S\u0131v\u0131 Foto G\u00f6r\u00fcnt\u00fclenebilir Lehim Maskesi (LPI)<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Dry_Film_Solder_Mask\" >Kuru Film Lehim Maskesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Epoxy_Screen-Printed_Mask\" >Epoksi Ekran Bask\u0131l\u0131 Maske<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Key_PCB_Solder_Mask_Design_Rules\" >Anahtar PCB Lehim Maskesi Tasar\u0131m Kurallar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#1_Solder_Mask_Clearance\" >1. Lehim Maskesi A\u00e7\u0131kl\u0131\u011f\u0131<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#2_Solder_Mask_Expansion\" >2. Lehim Maskesi Geni\u015fletme<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#3_Solder_Mask_Dam_Width\" >3. Lehim Maskesi Dam Geni\u015fli\u011fi<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#4_Fine-Pitch_Component_Considerations\" >4. \u0130nce Aral\u0131kl\u0131 Bile\u015fenlerle \u0130lgili Hususlar<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Solder_Mask_Defined_Pads_SMD\" >Lehim Maskesi Tan\u0131ml\u0131 Pedler (SMD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Non-Solder_Mask_Defined_Pads_NSMD\" >Lehim Maskesi Tan\u0131ml\u0131 Olmayan Pedler (NSMD)<\/a><\/li><\/ul><\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#How_to_Design_PCB_Solder_Mask_Practical_Steps\" >PCB Lehim Maskesi Nas\u0131l Tasarlan\u0131r (Pratik Ad\u0131mlar)<\/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\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Common_PCB_Solder_Mask_Design_Mistakes\" >Yayg\u0131n PCB Lehim Maskesi Tasar\u0131m Hatalar\u0131<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Mask_openings_are_too_small\" >Maske a\u00e7\u0131kl\u0131klar\u0131 \u00e7ok k\u00fc\u00e7\u00fck<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Insufficient_solder_mask_dam\" >Yetersiz lehim maskesi baraj\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Incorrect_pad_definitions\" >Yanl\u0131\u015f ped tan\u0131mlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Ignoring_manufacturing_tolerances\" >\u00dcretim toleranslar\u0131n\u0131n g\u00f6z ard\u0131 edilmesi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Manufacturing_Considerations\" >\u00dcretimle \u0130lgili Hususlar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#Conclusion\" >Sonu\u00e7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-solder-mask-design-guidelines\/#PCB_Solder_Mask_FAQ\" >PCB Lehim Maskesi SSS<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_PCB_Solder_Mask\"><\/span>PCB Lehim Maskesi Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Lehim maskesi, bak\u0131r izlerini korumak ve istenmeyen lehim ba\u011flant\u0131lar\u0131n\u0131 \u00f6nlemek i\u00e7in PCB y\u00fczeylerine uygulanan bir polimer kaplamad\u0131r.<\/p><p>Ana i\u015flevleri \u015funlard\u0131r:<\/p><ul class=\"wp-block-list\"><li>bak\u0131r\u0131 oksidasyondan korumak<\/li>\n\n<li>lehim k\u00f6pr\u00fclemesini \u00f6nleme<\/li>\n\n<li>iletkenler aras\u0131ndaki yal\u0131t\u0131m\u0131n iyile\u015ftirilmesi<\/li>\n\n<li>PCB g\u00f6r\u00fcn\u00fcm\u00fcn\u00fcn iyile\u015ftirilmesi<\/li><\/ul><p>PCB \u00fcretimi s\u0131ras\u0131nda, lehim maskesi katman\u0131 bak\u0131r desen olu\u015fumundan sonra ve y\u00fczey i\u015fleminden \u00f6nce uygulan\u0131r.<\/p><p>Genel \u00fcretim i\u015f ak\u0131\u015f\u0131 \u015furada a\u00e7\u0131klanm\u0131\u015ft\u0131r: <strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-manufacturing-process-explained-step-by-step\/\">PCB \u00dcretim S\u00fcreci A\u00e7\u0131kland\u0131<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Solder_Mask\"><\/span>Lehim Maskesi T\u00fcrleri<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB \u00fcretiminde \u00e7e\u015fitli lehim maskesi t\u00fcrleri kullan\u0131l\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Liquid_Photoimageable_Solder_Mask_LPI\"><\/span>S\u0131v\u0131 Foto G\u00f6r\u00fcnt\u00fclenebilir Lehim Maskesi (LPI)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Modern PCB'lerde kullan\u0131lan en yayg\u0131n t\u00fcr.<\/p><p>\u00d6zellikleri:<\/p><ul class=\"wp-block-list\"><li>s\u0131v\u0131 kaplama olarak uygulan\u0131r<\/li>\n\n<li>fotolitografi kullan\u0131larak desenlendirilmi\u015f<\/li>\n\n<li>ince aral\u0131kl\u0131 bile\u015fenleri destekler<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dry_Film_Solder_Mask\"><\/span>Kuru Film Lehim Maskesi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Daha az kullan\u0131l\u0131r ancak belirli uygulamalar i\u00e7in uygundur.<\/p><p>\u00d6zellikler:<\/p><ul class=\"wp-block-list\"><li>lamine film<\/li>\n\n<li>tek tip kal\u0131nl\u0131k<\/li>\n\n<li>Y\u00fcksek hassasiyetli tasar\u0131mlar i\u00e7in iyi<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Epoxy_Screen-Printed_Mask\"><\/span>Epoksi Ekran Bask\u0131l\u0131 Maske<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Esas olarak eski veya d\u00fc\u015f\u00fck maliyetli PCB i\u015flemlerinde kullan\u0131l\u0131r.<\/p><p>S\u0131n\u0131rlamalar:<\/p><ul class=\"wp-block-list\"><li>daha d\u00fc\u015f\u00fck \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/li>\n\n<li>ince aral\u0131kl\u0131 bile\u015fenler i\u00e7in uygun de\u011fildir<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_PCB_Solder_Mask_Design_Rules\"><\/span>Anahtar PCB Lehim Maskesi Tasar\u0131m Kurallar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u00c7e\u015fitli tasar\u0131m parametreleri lehim maskesi performans\u0131n\u0131 etkiler.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Solder_Mask_Clearance\"><\/span>1. Lehim Maskesi A\u00e7\u0131kl\u0131\u011f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Lehim maskesi bo\u015flu\u011fu, bak\u0131r ped kenar\u0131 ile maske a\u00e7\u0131kl\u0131\u011f\u0131 aras\u0131ndaki mesafeyi tan\u0131mlar.<\/p><p>Tipik k\u0131lavuz:<\/p><pre class=\"wp-block-preformatted\">Maske a\u00e7\u0131kl\u0131\u011f\u0131: 3-4 mil<\/pre><p>Yeterli bo\u015fluk, montaj s\u0131ras\u0131nda pedlerin tamamen a\u00e7\u0131kta kalmas\u0131n\u0131 sa\u011flar.<\/p><p>A\u00e7\u0131kl\u0131k \u00e7ok k\u00fc\u00e7\u00fckse:<\/p><ul class=\"wp-block-list\"><li>Maske ped kenarlar\u0131n\u0131 kapatabilir<\/li>\n\n<li>Lehim ba\u011flant\u0131lar\u0131 g\u00fcvenilmez olabilir<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Solder_Mask_Expansion\"><\/span>2. Lehim Maskesi Geni\u015fletme<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Maske geni\u015flemesi, lehim maskesi a\u00e7\u0131kl\u0131\u011f\u0131n\u0131n bak\u0131r pedin \u00f6tesine geni\u015fletildi\u011fi miktard\u0131r.<\/p><p>\u00d6rnek:<\/p><pre class=\"wp-block-preformatted\">Ped boyutu = 20 mil<br>Maske a\u00e7\u0131kl\u0131\u011f\u0131 = 24 mil<br>Geni\u015fleme = her bir taraf i\u00e7in 2 mil<\/pre><p>Bu geni\u015fleme, \u00fcretim s\u0131ras\u0131nda maske hizalama toleranslar\u0131n\u0131 telafi eder.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Solder_Mask_Dam_Width\"><\/span>3. Lehim Maskesi Dam Geni\u015fli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Lehim maskesi baraj\u0131, iki ped aras\u0131ndaki dar maske \u015ferididir.<\/p><p>Tipik minimum baraj geni\u015fli\u011fi:<\/p><pre class=\"wp-block-preformatted\">\u2265 4 mil<\/pre><p>Baraj \u00e7ok darsa, \u00fcretim s\u0131ras\u0131nda k\u0131r\u0131labilir ve lehim k\u00f6pr\u00fcleri riskini art\u0131rabilir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Fine-Pitch_Component_Considerations\"><\/span>4. \u0130nce Aral\u0131kl\u0131 Bile\u015fenlerle \u0130lgili Hususlar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0130nce aral\u0131kl\u0131 IC'ler ve BGA'lar \u00f6zel bir lehim maskesi tasar\u0131m\u0131 gerektirir.<\/p><p>Yayg\u0131n yakla\u015f\u0131mlar \u015funlar\u0131 i\u00e7erir:<\/p><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solder_Mask_Defined_Pads_SMD\"><\/span>Lehim Maskesi Tan\u0131ml\u0131 Pedler (SMD)<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Maske a\u00e7\u0131kl\u0131\u011f\u0131 ped boyutunu tan\u0131mlar.<\/p><p>Avantajlar:<\/p><ul class=\"wp-block-list\"><li>k\u00fc\u00e7\u00fck bile\u015fenler i\u00e7in daha s\u0131k\u0131 kontrol<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Non-Solder_Mask_Defined_Pads_NSMD\"><\/span>Lehim Maskesi Tan\u0131ml\u0131 Olmayan Pedler (NSMD)<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Bak\u0131r ped boyutu tan\u0131mlar, maske a\u00e7\u0131kl\u0131\u011f\u0131 daha b\u00fcy\u00fckt\u00fcr.<\/p><p>Avantajlar:<\/p><ul class=\"wp-block-list\"><li>daha iyi lehim ba\u011flant\u0131s\u0131 g\u00fcvenilirli\u011fi<\/li>\n\n<li>BGA pedleri i\u00e7in yayg\u0131n olarak kullan\u0131l\u0131r<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"468\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-1.jpg\" alt=\"PCB Lehim Maskesi\" class=\"wp-image-5225\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-1-300x234.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-1-15x12.jpg 15w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Design_PCB_Solder_Mask_Practical_Steps\"><\/span>PCB Lehim Maskesi Nas\u0131l Tasarlan\u0131r (Pratik Ad\u0131mlar)<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">M\u00fchendisler lehim maskesi kurallar\u0131n\u0131 tan\u0131mlarken genellikle birka\u00e7 ad\u0131m izler.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1773134083798\"><strong class=\"schema-how-to-step-name\">Ad\u0131m 1 - Maske geni\u015fletme kurallar\u0131n\u0131 tan\u0131mlay\u0131n<\/strong> <p class=\"schema-how-to-step-text\">PCB tasar\u0131m yaz\u0131l\u0131m\u0131nda global maske geni\u015fletmesini ayarlay\u0131n.<br\/>Tipik aral\u0131k: 2-4 mil<br\/><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773134096300\"><strong class=\"schema-how-to-step-name\">Ad\u0131m 2 - \u0130nce hatve bile\u015fenlerini kontrol edin<\/strong> <p class=\"schema-how-to-step-text\">Lehim maskesi a\u00e7\u0131kl\u0131klar\u0131n\u0131 do\u011frulay\u0131n:<br\/>QFN<br\/>BGA<br\/>k\u00fc\u00e7\u00fck hatveli konnekt\u00f6rler<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773134129021\"><strong class=\"schema-how-to-step-name\">Ad\u0131m 3 - Maske baraj geni\u015fliklerini do\u011frulay\u0131n<\/strong> <p class=\"schema-how-to-step-text\">Biti\u015fik pedler aras\u0131ndaki bo\u015flu\u011fun maske barajlar\u0131n\u0131 destekleyebildi\u011finden emin olun.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773134139200\"><strong class=\"schema-how-to-step-name\">Ad\u0131m 4 - DFM kontrollerini ger\u00e7ekle\u015ftirin<\/strong> <p class=\"schema-how-to-step-text\">\u00dcreticiler, \u00fcretilebilirli\u011fi sa\u011flamak i\u00e7in lehim maskesi verilerini g\u00f6zden ge\u00e7irir.<br\/>DFM inceleme s\u00fcreci \u015furada a\u00e7\u0131klanmaktad\u0131r: <strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-dfm-checklist-before-sending-gerber-files\/\">Gerber Dosyalar\u0131n\u0131 G\u00f6ndermeden \u00d6nce PCB DFM Kontrol Listesi<\/a><\/strong><\/p> <\/li><\/ol><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCB_Solder_Mask_Design_Mistakes\"><\/span>Yayg\u0131n PCB Lehim Maskesi Tasar\u0131m Hatalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB d\u00fczenlerinde s\u0131kl\u0131kla \u00e7e\u015fitli tasar\u0131m sorunlar\u0131 ortaya \u00e7\u0131kar.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mask_openings_are_too_small\"><\/span>Maske a\u00e7\u0131kl\u0131klar\u0131 \u00e7ok k\u00fc\u00e7\u00fck<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Pedleri k\u0131smen kaplayabilir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Insufficient_solder_mask_dam\"><\/span>Yetersiz lehim maskesi baraj\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Lehim k\u00f6pr\u00fclenmesine yol a\u00e7ar.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Incorrect_pad_definitions\"><\/span>Yanl\u0131\u015f ped tan\u0131mlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Maske ve bak\u0131r pedler aras\u0131ndaki uyumsuzluk montaj sorunlar\u0131na neden olabilir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_manufacturing_tolerances\"><\/span>\u00dcretim toleranslar\u0131n\u0131n g\u00f6z ard\u0131 edilmesi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Maske hizalama toleranslar\u0131 dikkate al\u0131nmal\u0131d\u0131r.<\/p><p>Montaj s\u0131ras\u0131ndaki bir\u00e7ok g\u00fcvenilirlik sorunu, bu b\u00f6l\u00fcmde ele al\u0131nan tasar\u0131m sorunlar\u0131ndan kaynaklanmaktad\u0131r: <strong>Yayg\u0131n PCB Ar\u0131zalar\u0131 ve G\u00fcvenilirlik Sorunlar\u0131<\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>\u00dcretimle \u0130lgili Hususlar<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB \u00fcreticileri CAM analizi s\u0131ras\u0131nda lehim maskesi katmanlar\u0131n\u0131 de\u011ferlendirir.<\/p><p>\u0130nceliyorlar:<\/p><ul class=\"wp-block-list\"><li>maske a\u00e7\u0131kl\u0131klar\u0131<\/li>\n\n<li>maske temi\u0307zli\u0307\u011fi\u0307<\/li>\n\n<li>baraj geni\u015flikleri<\/li>\n\n<li>hizalama toleranslar\u0131<\/li><\/ul><p>A\u015fa\u011f\u0131daki gibi \u00fcreticilerde <strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/about\/\">TOPFAST<\/a><\/strong>m\u00fchendislik ekipleri, hem PCB \u00fcretimi hem de montaj s\u00fcre\u00e7leriyle uyumlulu\u011fu sa\u011flamak i\u00e7in \u00fcretimden \u00f6nce tipik olarak lehim maskesi parametrelerini do\u011frular.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Lehim maskesi tasar\u0131m\u0131, PCB \u00fcretilebilirli\u011fi ve montaj g\u00fcvenilirli\u011finde \u00e7ok \u00f6nemli bir rol oynar.<\/p><p>M\u00fchendisler, uygun maske bo\u015flu\u011fu, yeterli baraj geni\u015fli\u011fi ve do\u011fru ped tan\u0131mlar\u0131 gibi pratik tasar\u0131m kurallar\u0131na uyarak montaj hatalar\u0131n\u0131 azaltabilir ve \u00fcretim verimini art\u0131rabilir.<\/p><p>Tasar\u0131m ekipleri ve PCB \u00fcreticileri aras\u0131ndaki yak\u0131n koordinasyon, lehim maskesi katmanlar\u0131n\u0131n \u00fcretim kapasitesini kar\u015f\u0131lamas\u0131na da yard\u0131mc\u0131 olur.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"406\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-2.jpg\" alt=\"PCB Lehim Maskesi\" class=\"wp-image-5226\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-2-300x203.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCB_Solder_Mask_FAQ\"><\/span>PCB Lehim Maskesi SSS<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1773133323837\"><strong class=\"schema-faq-question\">S: PCB tasar\u0131m\u0131nda lehim maskesi bo\u015flu\u011fu nedir?<\/strong> <p class=\"schema-faq-answer\">C: Lehim maskesi bo\u015flu\u011fu, bak\u0131r ped kenar\u0131 ile lehim maskesi a\u00e7\u0131kl\u0131\u011f\u0131 aras\u0131ndaki mesafedir ve montaj s\u0131ras\u0131nda pedlerin a\u00e7\u0131kta kalmas\u0131n\u0131 sa\u011flar.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773133514435\"><strong class=\"schema-faq-question\">S: Minimum lehim maskesi baraj geni\u015fli\u011fi nedir?<\/strong> <p class=\"schema-faq-answer\">C: \u00c7o\u011fu PCB \u00fcreticisi, minimum lehim maskesi baraj geni\u015fli\u011fini \u015fu \u015fekilde \u00f6nermektedir <strong>4 mil<\/strong> maskenin k\u0131r\u0131lmas\u0131n\u0131 \u00f6nlemek i\u00e7in.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773133582473\"><strong class=\"schema-faq-question\">S: Lehim maskesi a\u00e7\u0131kl\u0131klar\u0131 \u00e7ok k\u00fc\u00e7\u00fckse ne olur?<\/strong> <p class=\"schema-faq-answer\">C: K\u00fc\u00e7\u00fck maske a\u00e7\u0131kl\u0131klar\u0131 pedleri k\u0131smen kaplayarak zay\u0131f lehim ba\u011flant\u0131lar\u0131na neden olabilir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773133596476\"><strong class=\"schema-faq-question\">S: SMD ve NSMD pedleri aras\u0131ndaki fark nedir?<\/strong> <p class=\"schema-faq-answer\">C: SMD pedleri lehim maskesi a\u00e7\u0131kl\u0131klar\u0131 ile tan\u0131mlan\u0131rken, NSMD pedleri bak\u0131r pedin kendisi taraf\u0131ndan tan\u0131mlan\u0131r. NSMD pedleri genellikle BGA bile\u015fenleri i\u00e7in kullan\u0131l\u0131r.<\/p> <\/div> <\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Lehim maskesi, lehim k\u00f6pr\u00fclerini \u00f6nlemek ve bak\u0131r izlerini korumak i\u00e7in bask\u0131l\u0131 devre kartlar\u0131n\u0131n y\u00fczeyine uygulanan koruyucu bir katmand\u0131r. Do\u011fru lehim maskesi tasar\u0131m\u0131, g\u00fcvenilir PCB montaj\u0131 ve \u00fcretim verimi i\u00e7in gereklidir. Bu makalede maske bo\u015flu\u011fu, maske geni\u015flemesi, ped a\u00e7\u0131kl\u0131klar\u0131 ve yayg\u0131n yerle\u015fim hatalar\u0131 dahil olmak \u00fczere temel lehim maskesi tasar\u0131m y\u00f6nergeleri a\u00e7\u0131klanmaktad\u0131r. M\u00fchendisler, pratik \u00dcretim i\u00e7in Tasar\u0131m (DFM) kurallar\u0131n\u0131 takip ederek montaj g\u00fcvenilirli\u011fini art\u0131rabilir, lehim hatalar\u0131n\u0131 azaltabilir ve standart PCB \u00fcretim s\u00fcre\u00e7leriyle uyumlulu\u011fu sa\u011flayabilir.<\/p>","protected":false},"author":1,"featured_media":5227,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[446],"class_list":["post-5223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-solder-mask"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Solder Mask Design Guidelines: Clearance, Expansion and Manufacturing Rules<\/title>\n<meta name=\"description\" content=\"Learn PCB solder mask design guidelines including mask clearance, expansion rules, pad openings, and 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reliability.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133323837\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133514435\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133582473\"},{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133596476\"}],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-3.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/03\/PCB-Solder-Mask-3.jpg\",\"width\":600,\"height\":495,\"caption\":\"PCB 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What is solder mask clearance in PCB design?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Solder mask clearance is the distance between the copper pad edge and the solder mask opening, ensuring pads remain exposed during assembly.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133514435\",\"position\":2,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133514435\",\"name\":\"Q: What is the minimum solder mask dam width?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Most PCB manufacturers recommend a minimum solder mask dam width of <strong>4 mil<\/strong> to prevent mask breakage.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133582473\",\"position\":3,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133582473\",\"name\":\"Q: What happens if solder mask openings are too small?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Small mask openings may partially cover pads, resulting in poor solder joints.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133596476\",\"position\":4,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133596476\",\"name\":\"Q: What is the difference between SMD and NSMD pads?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: SMD pads are defined by solder mask openings, while NSMD pads are defined by the copper pad itself. NSMD pads are commonly used for BGA components.\",\"inLanguage\":\"tr\"},\"inLanguage\":\"tr\"},{\"@type\":\"HowTo\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#howto-1\",\"name\":\"PCB Solder Mask Design Guidelines for Reliable Manufacturing\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#article\"},\"description\":\"Engineers typically follow several steps when defining solder mask rules.\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#how-to-step-1773134083798\",\"name\":\"Step 1 \u2014 Define mask expansion rules\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Set the global mask expansion in the PCB design software.<br\/>Typical range: 2\u20134 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What is solder mask clearance in PCB design?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Solder mask clearance is the distance between the copper pad edge and the solder mask opening, ensuring pads remain exposed during assembly.","inLanguage":"tr"},"inLanguage":"tr"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133514435","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/pcb-solder-mask-design-guidelines\/#faq-question-1773133514435","name":"Q: What is the minimum solder mask dam width?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Most PCB manufacturers recommend a minimum solder mask dam width of <strong>4 mil<\/strong> to prevent mask 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