{"id":5047,"date":"2026-01-30T08:20:00","date_gmt":"2026-01-30T00:20:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5047"},"modified":"2026-01-16T16:30:42","modified_gmt":"2026-01-16T08:30:42","slug":"caf-failure-in-pcb-explained","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/","title":{"rendered":"PCB'de CAF Ba\u015far\u0131s\u0131zl\u0131\u011f\u0131: Nedenleri, Mekanizmas\u0131 ve \u00d6nlenmesi"},"content":{"rendered":"<p>\u0130letken Anodik Filament (CAF) ar\u0131zas\u0131 en zorlu PCB g\u00fcvenilirlik sorunlar\u0131ndan biridir \u00e7\u00fcnk\u00fc <strong>gizli, ilerleyici ve genellikle g\u00f6r\u00fcnmez<\/strong> standart denetim s\u0131ras\u0131nda.<\/p><p>Ani elektriksel kusurlar\u0131n aksine, CAF belirli \u00e7evresel ve elektriksel ko\u015fullar alt\u0131nda yava\u015f\u00e7a geli\u015fir, bu da onu y\u00fcksek g\u00fcvenilirlik uygulamalar\u0131 i\u00e7in kritik bir endi\u015fe haline getirir.<\/p><p>Bu makale a\u00e7\u0131klamaktad\u0131r:<\/p><ul class=\"wp-block-list\"><li>CAF nedir<\/li>\n\n<li>Nas\u0131l olu\u015fur<\/li>\n\n<li>Tespit etmek neden zor?<\/li>\n\n<li>PCB \u00fcreticileri CAF riskini nas\u0131l azalt\u0131r?<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-2.jpg\" alt=\"PCB&#039;deki CAF Ar\u0131zas\u0131 A\u00e7\u0131kland\u0131\" class=\"wp-image-5048\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-2-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-2-18x10.jpg 18w\" 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\/caf-failure-in-pcb-explained\/#What_Is_CAF_Conductive_Anodic_Filament\" >CAF (\u0130letken Anodik Filament) 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\/caf-failure-in-pcb-explained\/#Why_CAF_Is_a_Serious_Reliability_Risk\" >CAF Neden Ciddi Bir G\u00fcvenilirlik Riskidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Conditions_Required_for_CAF_Formation\" >CAF Olu\u015fumu i\u00e7in Gerekli Ko\u015fullar<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Moisture_Presence\" >Nem Varl\u0131\u011f\u0131<\/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\/caf-failure-in-pcb-explained\/#Electrical_Bias\" >Elektriksel \u00d6nyarg\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Susceptible_Material_Structure\" >Duyarl\u0131 Malzeme Yap\u0131s\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#CAF_Growth_Mechanism\" >CAF B\u00fcy\u00fcme Mekanizmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Design_Factors_That_Increase_CAF_Risk\" >CAF Riskini Art\u0131ran Tasar\u0131m Fakt\u00f6rleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#High-Risk_Design_Practices\" >Y\u00fcksek Riskli Tasar\u0131m Uygulamalar\u0131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Manufacturing_Factors_Contributing_to_CAF\" >CAF'a Katk\u0131da Bulunan \u00dcretim Fakt\u00f6rleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#H3_Drilling_Damage\" >H3: Sondaj Hasar\u0131<\/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\/tr\/blog\/caf-failure-in-pcb-explained\/#Inadequate_Resin_Fill\" >Yetersiz Re\u00e7ine Dolgusu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Material_Selection\" >Malzeme Se\u00e7imi<\/a><\/li><\/ul><\/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\/caf-failure-in-pcb-explained\/#How_CAF_Is_Detected\" >CAF Nas\u0131l Tespit Edilir?<\/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\/caf-failure-in-pcb-explained\/#Detection_Methods_Include\" >Tespit Y\u00f6ntemleri \u015eunlar\u0131 \u0130\u00e7erir<\/a><\/li><\/ul><\/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\/tr\/blog\/caf-failure-in-pcb-explained\/#Preventing_CAF_in_PCB_Manufacturing\" >PCB \u00dcretiminde CAF'\u0131n \u00d6nlenmesi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Material_Qualification\" >Malzeme Kalifikasyonu<\/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\/caf-failure-in-pcb-explained\/#Design_Rule_Optimization\" >Tasar\u0131m Kural\u0131 Optimizasyonu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#Process_Control_Improvements\" >S\u00fcre\u00e7 Kontrol \u0130yile\u015ftirmeleri<\/a><\/li><\/ul><\/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\/caf-failure-in-pcb-explained\/#Relationship_Between_CAF_and_Other_Failure_Modes\" >CAF ve Di\u011fer Ar\u0131za Modlar\u0131 Aras\u0131ndaki \u0130li\u015fki<\/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\/caf-failure-in-pcb-explained\/#Conclusion\" >Sonu\u00e7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/caf-failure-in-pcb-explained\/#CAF_Failure_in_PCB_FAQ\" >PCB'de CAF Ar\u0131zas\u0131 SSS<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_CAF_Conductive_Anodic_Filament\"><\/span>CAF (\u0130letken Anodik Filament) Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>CAF, bir \u00fclkenin b\u00fcy\u00fcmesidir. <strong>metalik iletken yol<\/strong> Bir PCB i\u00e7indeki biti\u015fik bak\u0131r \u00f6zellikler aras\u0131nda.<\/p><p>Tipik olarak olu\u015fur:<\/p><ul class=\"wp-block-list\"><li>Cam elyaf aray\u00fczleri boyunca<\/li>\n\n<li>Yak\u0131n aral\u0131kl\u0131 iletkenler aras\u0131nda<\/li>\n\n<li>Elektriksel \u00f6nyarg\u0131 ve neme maruz kalma alt\u0131nda<\/li><\/ul><p>CAF bir kez olu\u015ftu\u011funda k\u0131sa devre veya ka\u00e7ak yollar\u0131 olu\u015fturabilir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_CAF_Is_a_Serious_Reliability_Risk\"><\/span>CAF Neden Ciddi Bir G\u00fcvenilirlik Riskidir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>CAF ar\u0131zalar\u0131 tehlikelidir \u00e7\u00fcnk\u00fc<\/p><ul class=\"wp-block-list\"><li>\u00dcretimden uzun s\u00fcre sonra ortaya \u00e7\u0131kar<\/li>\n\n<li>Aral\u0131kl\u0131 veya ani elektrik k\u0131sa devrelerine neden olur<\/li>\n\n<li>Laboratuvar ko\u015fullar\u0131nda yeniden \u00fcretilmesi zordur<\/li><\/ul><p>Bir\u00e7ok saha ar\u0131zas\u0131, CAF'\u0131n t\u00fcm ilk elektrik testlerini ge\u00e7mesine ba\u011fland\u0131.<\/p><p><em>\u0130lgili genel bak\u0131\u015f:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/common-pcb-failures-causes-solutions\/\">Yayg\u0131n PCB Ar\u0131zalar\u0131 A\u00e7\u0131kland\u0131<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conditions_Required_for_CAF_Formation\"><\/span>CAF Olu\u015fumu i\u00e7in Gerekli Ko\u015fullar<span class=\"ez-toc-section-end\"><\/span><\/h2><p>KAF rastgele ortaya \u00e7\u0131kmaz. Birka\u00e7 ko\u015fulun ayn\u0131 anda mevcut olmas\u0131 gerekir.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Moisture_Presence\"><\/span>Nem Varl\u0131\u011f\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Nem, PCB i\u00e7inde iyonik ta\u015f\u0131n\u0131m\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/p><p>Kaynaklar \u015funlard\u0131r:<\/p><ul class=\"wp-block-list\"><li>Y\u00fcksek nemli ortamlar<\/li>\n\n<li>Yetersiz malzeme kurutmas\u0131<\/li>\n\n<li>K\u00f6t\u00fc PCB depolama ko\u015fullar\u0131<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electrical_Bias\"><\/span>Elektriksel \u00d6nyarg\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>CAF b\u00fcy\u00fcmesi iletkenler aras\u0131nda bir voltaj potansiyeli gerektirir.<\/p><p>Daha y\u00fcksek risk senaryolar\u0131:<\/p><ul class=\"wp-block-list\"><li>Y\u00fcksek gerilim tasar\u0131mlar\u0131<\/li>\n\n<li>Sabit DC \u00f6ngerilim<\/li>\n\n<li>Dar iletken aral\u0131\u011f\u0131<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Susceptible_Material_Structure\"><\/span>Duyarl\u0131 Malzeme Yap\u0131s\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>CAF s\u0131kl\u0131kla yay\u0131l\u0131r:<\/p><ul class=\"wp-block-list\"><li>Cam elyaf-re\u00e7ine aray\u00fczleri boyunca<\/li>\n\n<li>Re\u00e7ine a\u00e7l\u0131\u011f\u0131 \u00e7eken b\u00f6lgelerden<\/li>\n\n<li>Delinmi\u015f deliklerin veya vialar\u0131n yak\u0131n\u0131nda<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained.jpg\" alt=\"PCB&#039;deki CAF Ar\u0131zas\u0131 A\u00e7\u0131kland\u0131\" class=\"wp-image-5049\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CAF_Growth_Mechanism\"><\/span>CAF B\u00fcy\u00fcme Mekanizmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h2><p>CAF olu\u015fum s\u00fcreci tipik olarak \u015fu ad\u0131mlar\u0131 takip eder:<\/p><ol class=\"wp-block-list\"><li>Dielektrik i\u00e7ine nem emilimi<\/li>\n\n<li>Anotta metal iyonu \u00e7\u00f6z\u00fcnmesi<\/li>\n\n<li>Fiber yollar\u0131 boyunca iyonik g\u00f6\u00e7<\/li>\n\n<li>Katoda do\u011fru filament b\u00fcy\u00fcmesi<\/li>\n\n<li>Elektriksel k\u0131sa devre veya ka\u00e7ak olu\u015fumu<\/li><\/ol><p>Bu s\u00fcre\u00e7 s\u0131cakl\u0131k ve nem stresi alt\u0131nda h\u0131zlan\u0131r.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Factors_That_Increase_CAF_Risk\"><\/span>CAF Riskini Art\u0131ran Tasar\u0131m Fakt\u00f6rleri<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Tasar\u0131m kararlar\u0131 CAF duyarl\u0131l\u0131\u011f\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde etkiler.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High-Risk_Design_Practices\"><\/span>Y\u00fcksek Riskli Tasar\u0131m Uygulamalar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Minimum iletken aral\u0131\u011f\u0131<\/li>\n\n<li>Yo\u011fun via yap\u0131lar\u0131<\/li>\n\n<li>Sondajda cam elyaf maruziyeti<\/li>\n\n<li>Y\u00fcksek en-boy oranl\u0131 vialar<\/li><\/ul><p><em>Tasar\u0131m g\u00fcvenilirli\u011fi ba\u011flant\u0131s\u0131:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-quality-and-reliability\/\">PCB Kalite ve G\u00fcvenilirlik Tasar\u0131m K\u0131lavuzlar\u0131<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Factors_Contributing_to_CAF\"><\/span>CAF'a Katk\u0131da Bulunan \u00dcretim Fakt\u00f6rleri<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"H3_Drilling_Damage\"><\/span>H3: Sondaj Hasar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Mekanik delme cam elyaflar\u0131 a\u00e7\u0131\u011fa \u00e7\u0131kararak tercihli CAF yollar\u0131 olu\u015fturabilir.<\/p><p><em>S\u00fcre\u00e7 kar\u015f\u0131la\u015ft\u0131rmas\u0131:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-drilling-vs-laser-drilling\/\">PCB Delme vs Lazer Delme<\/a><\/strong><\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inadequate_Resin_Fill\"><\/span>Yetersiz Re\u00e7ine Dolgusu<span class=\"ez-toc-section-end\"><\/span><\/h3><p>K\u00f6t\u00fc re\u00e7ine da\u011f\u0131l\u0131m\u0131, nemi hapseden bo\u015fluklar b\u0131rak\u0131r.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection\"><\/span>Malzeme Se\u00e7imi<span class=\"ez-toc-section-end\"><\/span><\/h3><p>T\u00fcm laminat sistemleri e\u015fit CAF direncine sahip de\u011fildir.<\/p><p>Y\u00fcksek CAF diren\u00e7li malzemeler tipik olarak \u015fu \u00f6zelliklere sahiptir:<\/p><ul class=\"wp-block-list\"><li>Geli\u015ftirilmi\u015f re\u00e7ine kimyas\u0131<\/li>\n\n<li>Daha iyi elyaf-re\u00e7ine yap\u0131\u015fmas\u0131<\/li>\n\n<li>Azalt\u0131lm\u0131\u015f iyonik kirlenme<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_CAF_Is_Detected\"><\/span>CAF Nas\u0131l Tespit Edilir?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>CAF'\u0131n standart muayene ile tespit edilmesi zordur.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detection_Methods_Include\"><\/span>Tespit Y\u00f6ntemleri \u015eunlar\u0131 \u0130\u00e7erir<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Y\u00fcksek H\u0131zland\u0131r\u0131lm\u0131\u015f Stres Testi (HAST)<\/li>\n\n<li>\u0130zolasyon Direnci (IR) testi<\/li>\n\n<li>Ar\u0131za sonras\u0131 kesit analizi<\/li><\/ul><p><em>Testlere genel bak\u0131\u015f:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-reliability-testing-standards\/\">PCB G\u00fcvenilirlik Testi A\u00e7\u0131klamas\u0131<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"337\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-1.jpg\" alt=\"PCB&#039;deki CAF Ar\u0131zas\u0131 A\u00e7\u0131kland\u0131\" class=\"wp-image-5050\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-1-300x169.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/01\/CAF-Failure-in-PCB-Explained-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Preventing_CAF_in_PCB_Manufacturing\"><\/span>PCB \u00dcretiminde CAF'\u0131n \u00d6nlenmesi<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Qualification\"><\/span>Malzeme Kalifikasyonu<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>CAF diren\u00e7li laminat se\u00e7imi<\/li>\n\n<li>Malzeme tedarik\u00e7isi do\u011frulamas\u0131<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Rule_Optimization\"><\/span>Tasar\u0131m Kural\u0131 Optimizasyonu<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Y\u00fcksek gerilim a\u011flar\u0131 i\u00e7in art\u0131r\u0131lm\u0131\u015f aral\u0131k<\/li>\n\n<li>Yerle\u015ftirme yoluyla kontrol edilir<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Process_Control_Improvements\"><\/span>S\u00fcre\u00e7 Kontrol \u0130yile\u015ftirmeleri<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Optimize edilmi\u015f sondaj parametreleri<\/li>\n\n<li>Geli\u015ftirilmi\u015f desmear ve re\u00e7ine ak\u0131\u015f\u0131<\/li>\n\n<li>Temiz \u00fcretim ortam\u0131<\/li><\/ul><p>TOPFAST gibi \u00fcreticiler hem malzeme se\u00e7imi hem de s\u00fcre\u00e7 planlamas\u0131 s\u0131ras\u0131nda CAF risk de\u011ferlendirmesini dahil etmektedir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relationship_Between_CAF_and_Other_Failure_Modes\"><\/span>CAF ve Di\u011fer Ar\u0131za Modlar\u0131 Aras\u0131ndaki \u0130li\u015fki<span class=\"ez-toc-section-end\"><\/span><\/h2><p>CAF genellikle a\u015fa\u011f\u0131dakilerle bir arada bulunur:<\/p><ul class=\"wp-block-list\"><li>Delaminasyon<\/li>\n\n<li>\u00c7atlama yoluyla<\/li>\n\n<li>\u0130zolasyon ar\u0131zas\u0131<\/li><\/ul><p><em>\u0130lgili konu:<\/em><br><strong><a href=\"https:\/\/www.topfastpcb.com\/tr\/blog\/pcb-delamination-causes-prevention\/\">PCB Delaminasyonunun Nedenleri ve \u00d6nlenmesi<\/a><\/strong><\/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>CAF ba\u015far\u0131s\u0131zl\u0131\u011f\u0131 bir <strong>zamana ba\u011fl\u0131 g\u00fcvenilirlik sorunu<\/strong> \u00e7evresel ko\u015fullar, elektriksel \u00f6nyarg\u0131 ve malzeme yap\u0131s\u0131 taraf\u0131ndan y\u00f6nlendirilir.<\/p><p>Ortadan kald\u0131r\u0131lmas\u0131 zor olsa da, CAF riski \u015fu yollarla \u00f6nemli \u00f6l\u00e7\u00fcde azalt\u0131labilir:<\/p><ul class=\"wp-block-list\"><li>Uygun tasar\u0131m aral\u0131\u011f\u0131<\/li>\n\n<li>CAF diren\u00e7li malzemeler<\/li>\n\n<li>Kontroll\u00fc \u00fcretim s\u00fcre\u00e7leri<\/li><\/ul><p>CAF'\u0131 anlamak, zorlu uygulamalar i\u00e7in g\u00fcvenilir PCB'ler tasarlamak ve \u00fcretmek i\u00e7in \u00e7ok \u00f6nemlidir.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CAF_Failure_in_PCB_FAQ\"><\/span>PCB'de CAF Ar\u0131zas\u0131 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-1768551046101\"><strong class=\"schema-faq-question\">Q: <strong>CAF standart elektrik testleri s\u0131ras\u0131nda tespit edilebilir mi?<\/strong><\/strong> <p class=\"schema-faq-answer\">C: Genellikle hay\u0131r. CAF zaman i\u00e7inde geli\u015fir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768551113734\"><strong class=\"schema-faq-question\">Q: <strong>CAF y\u00fcksek voltajl\u0131 PCB'lerde daha m\u0131 yayg\u0131nd\u0131r?<\/strong><\/strong> <p class=\"schema-faq-answer\">C: Evet, elektriksel \u00f6nyarg\u0131 CAF b\u00fcy\u00fcmesini h\u0131zland\u0131r\u0131r.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768551177233\"><strong class=\"schema-faq-question\">Q: <strong>Konformal kaplama CAF'\u0131 \u00f6nler mi?<\/strong><\/strong> <p class=\"schema-faq-answer\">C: Yard\u0131mc\u0131 olur ancak riski tamamen ortadan kald\u0131rmaz.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768551258034\"><strong class=\"schema-faq-question\">Q: <strong>T\u00fcm laminat malzemeler CAF'a e\u015fit derecede dayan\u0131kl\u0131 m\u0131d\u0131r?<\/strong><\/strong> <p class=\"schema-faq-answer\">C: Hay\u0131r, CAF direnci malzeme sistemine g\u00f6re \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015fir.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768551295767\"><strong class=\"schema-faq-question\">Q: <strong>CAF ar\u0131zas\u0131 geri d\u00f6nd\u00fcr\u00fclebilir mi?<\/strong><\/strong> <p class=\"schema-faq-answer\">C: Hay\u0131r. CAF bir kez olu\u015ftu\u011funda onar\u0131lamaz.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>CAF ar\u0131zas\u0131, PCB'lerde iletken filamentlerin olu\u015farak k\u0131sa devrelere neden oldu\u011fu gizli bir g\u00fcvenilirlik sorunudur. Nem, iyonik kontaminasyon ve voltajdan kaynaklan\u0131r. Tespiti elektriksel test ve mikroskopiyi i\u00e7erirken, \u00f6nlenmesi optimize edilmi\u015f malzeme, tasar\u0131m ve \u00fcretim s\u00fcre\u00e7lerine dayan\u0131r.<\/p>","protected":false},"author":1,"featured_media":5051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[438],"class_list":["post-5047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-failures"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CAF Failure in PCB Explained: Causes, Mechanism, and Prevention<\/title>\n<meta name=\"description\" content=\"CAF failure is a latent PCB reliability issue. 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