{"id":3267,"date":"2025-06-13T08:47:00","date_gmt":"2025-06-13T00:47:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3267"},"modified":"2025-06-16T18:50:22","modified_gmt":"2025-06-16T10:50:22","slug":"the-ultimate-pcba-testing","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/da\/blog\/the-ultimate-pcba-testing\/","title":{"rendered":"Den ultimative PCBA-test (AOI, ICT, FCT)"},"content":{"rendered":"<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\">Indholdsfortegnelse<\/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\/da\/blog\/the-ultimate-pcba-testing\/#PCBA_Final_Testing\" >Endelig test af PCBA<\/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\/da\/blog\/the-ultimate-pcba-testing\/#AOI_Automated_Optical_Inspection\" >AOI (automatiseret optisk inspektion)<\/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\/da\/blog\/the-ultimate-pcba-testing\/#How_AOI_Works\" >S\u00e5dan fungerer AOI<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Two_Key_Applications_of_AOI\" >To vigtige anvendelser af AOI<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Common_Defects_Detected_by_AOI\" >Almindelige defekter opdaget af AOI<\/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\/da\/blog\/the-ultimate-pcba-testing\/#ICT_In-Circuit_Test\" >ICT (In-Circuit Test)-isoleringsprocesser og m\u00f8der<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Core_Principles_of_ICT\" >Grundl\u00e6ggende principper for ICT<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Advantages_of_ICT\" >Fordele ved ICT<\/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\/da\/blog\/the-ultimate-pcba-testing\/#When_to_Use_ICT\" >Hvorn\u00e5r skal man bruge ICT?<\/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\/da\/blog\/the-ultimate-pcba-testing\/#FCT_Functional_Test\" >FCT (funktionel test)<\/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\/da\/blog\/the-ultimate-pcba-testing\/#The_Essence_of_FCT\" >Essensen af FCT<\/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\/da\/blog\/the-ultimate-pcba-testing\/#FCT_Implementation_Methods\" >FCT-implementeringsmetoder<\/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\/da\/blog\/the-ultimate-pcba-testing\/#FCT_vs_ICT\" >FCT vs. ICT<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Five_Key_Considerations\" >Fem vigtige overvejelser<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Common_PCBA_Testing_Issues_Solutions\" >Almindelige PCBA-testproblemer og -l\u00f8sninger<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Conclusion\" >Konklusion<\/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\/da\/blog\/the-ultimate-pcba-testing\/#Related_Test_Recommendations\" >Anbefalinger til relaterede tests<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PCBA_Final_Testing\"><\/span>Endelig test af PCBA<span class=\"ez-toc-section-end\"><\/span><\/h2><p>I elektronikproduktion, <a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/what-is-a-pcba\/\">PCBA<\/a> (Printed Circuit Board Assembly) sluttest er et kritisk trin for at sikre produktkvaliteten. En komplet PCBA-sluttestproces omfatter typisk tre hovedmetoder: AOI (Automated Optical Inspection), ICT (In-Circuit Test) og FCT (Functional Circuit Test). Hver metode har sit eget unikke fokus, og sammen udg\u00f8r de et robust kvalitetssikringssystem.<\/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\/06\/PCBA-Testing.jpg\" alt=\"PCBA-testning\" class=\"wp-image-3271\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AOI_Automated_Optical_Inspection\"><\/span>AOI (apsulationsprocesser og m\u00f8de<a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/what-is-aoi-automated-optical-inspection\/\">Automatiseret optisk inspektionapsuleringsprocesser og m\u00f8der<\/a>)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>AOI (Automated Optical Inspection) er et avanceret system, der bruger optiske principper til at opdage almindelige lodde- og monteringsfejl. Som det f\u00f8rste kontrolpunkt i PCBA-testen identificerer AOI effektivt forskellige problemer med lodning og komponentplacering.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_AOI_Works\"><\/span>S\u00e5dan fungerer AOI<span class=\"ez-toc-section-end\"><\/span><\/h3><p>AOI-systemer bruger kameraer med h\u00f8j opl\u00f8sning til automatisk at scanne printkort og tage detaljerede billeder, som sammenlignes med en database over acceptable parametre.Sofistikerede billedbehandlingsalgoritmer identificerer pr\u00e6cist defekter som f.eks. manglende komponenter, forkert justering, loddebroer og forkert polaritet. Fejlene fremh\u00e6ves p\u00e5 et display eller markeres til reparation.<\/p><p>Moderne AOI-systemer anvender h\u00f8jhastigheds- og h\u00f8jpr\u00e6cisions-visionsteknologi til at inspicere printkort i alle st\u00f8rrelser - fra fine pitch-kort med h\u00f8j densitet til st\u00f8rre kort med lav densitet.De kan integreres i produktionslinjer til kvalitetskontrol i realtid, hvilket forbedrer b\u00e5de effektivitet og loddekvalitet.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Two_Key_Applications_of_AOI\"><\/span>To vigtige anvendelser af AOI<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Endelig kvalitetssikring<\/strong><br>Overv\u00e5ger produkternes endelige tilstand, f\u00f8r de forlader produktionen. Ideel, n\u00e5r produktionsproblemerne er godt forst\u00e5et, produktmixet er h\u00f8jt, og hastighed og volumen er prioriteret. AOI placeres typisk for enden af produktionslinjen og giver omfattende processtyringsdata.<\/li>\n\n<li><strong>Overv\u00e5gning af proceskvalitet<\/strong><br>Bruger AOI til at spore produktionen i realtid, herunder detaljeret fejlklassificering og n\u00f8jagtig placering af komponenter. Bedst egnet til produkter med h\u00f8j p\u00e5lidelighed, produktion i stor skala med lavt mix og stabil komponentforsyning. Kr\u00e6ver flere AOI-stationer langs produktionslinjen for at overv\u00e5ge kritiske punkter og styre procesjusteringer.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Defects_Detected_by_AOI\"><\/span>Almindelige defekter opdaget af AOI<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Manglende eller forkert justerede komponenter<\/li>\n\n<li>For lidt eller for meget loddemetal<\/li>\n\n<li>Loddebroer (kortslutninger)<\/li>\n\n<li>Forkert komponentpolaritet<\/li>\n\n<li>L\u00f8ftede eller b\u00f8jede ledninger<\/li>\n\n<li>Falmede eller forkerte markeringer<\/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\/06\/PCBA-Testing-1.jpg\" alt=\"PCBA-testning\" class=\"wp-image-3273\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ICT_In-Circuit_Test\"><\/span>ICT (In-Circuit Test)-isoleringsprocesser og m\u00f8der<span class=\"ez-toc-section-end\"><\/span><\/h2><p>ICT (In-Circuit Test) er en vigtig del af PCBA-sluttesten og fokuserer p\u00e5 at verificere elektriske forbindelser og komponenternes funktionalitet.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Principles_of_ICT\"><\/span>Grundl\u00e6ggende principper for ICT<span class=\"ez-toc-section-end\"><\/span><\/h3><p>En ICT-tester fungerer som et avanceret multimetersystem, der ved hj\u00e6lp af et s\u00f8mstativ kontakter testpunkter p\u00e5 printkortet. Uden at fjerne komponenter tjekker den for:<\/p><ul class=\"wp-block-list\"><li>\u00c5bne eller korte kredsl\u00f8b<\/li>\n\n<li>Forkerte komponentv\u00e6rdier<\/li>\n\n<li>Forkerte eller manglende dele<\/li>\n\n<li>Omvendt polaritet<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages_of_ICT\"><\/span>Fordele ved ICT<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Hurtig lokalisering af fejl<\/strong><br>Identificerer hurtigt problemer som manglende dele, forkerte v\u00e6rdier eller loddefejl og genererer detaljerede rapporter, der forenkler fejlfinding - selv for teknikere uden dyb viden om skemaer.<\/li>\n\n<li><strong>Omfattende d\u00e6kning<\/strong><br>Test modstande, kondensatorer, induktorer, dioder, transistorer og andre komponenter for at sikre, at v\u00e6rdierne er inden for specifikationerne.<\/li>\n\n<li><strong>Tidlig opdagelse af fejl<\/strong><br>Fanger problemer tidligt i produktionen, forhindrer defekte plader i at g\u00e5 videre til senere stadier og reducerer reparationsomkostningerne.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Use_ICT\"><\/span>Hvorn\u00e5r skal man bruge ICT?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>ICT er ideel til:<\/p><ul class=\"wp-block-list\"><li>Produktion i store m\u00e6ngder (da der er brug for tilpassede armaturer til hvert PCB-design)<\/li>\n\n<li>H\u00f8jv\u00e6rdi eller uregelm\u00e6ssigt formede plader<\/li>\n\n<li>Produkter, der kr\u00e6ver h\u00f8j p\u00e5lidelighed<\/li><\/ul><p>ICT er en &#8220;white-box&#8221; test - den unders\u00f8ger de interne elektriske egenskaber i hvert kredsl\u00f8bsknudepunkt for at sikre overensstemmelse med designspecifikationerne.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FCT_Functional_Test\"><\/span><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/what-is-pct-testing\/\">FCT<\/a> (Funktionel test)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>FCT (Functional Circuit Test) er det sidste valideringstrin, hvor man simulerer den virkelige verden for at bekr\u00e6fte, at PCBA'en fungerer efter hensigten.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Essence_of_FCT\"><\/span>Essensen af FCT<span class=\"ez-toc-section-end\"><\/span><\/h3><p>FCT forsyner UUT (Unit Under Test) med simulerede driftsbetingelser (stimulus og belastning) og m\u00e5ler derefter output for at verificere funktionaliteten. Kort sagt, den indl\u00e6ser signaler og kontrollerer, om output svarer til forventningerne.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FCT_Implementation_Methods\"><\/span>FCT-implementeringsmetoder<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Grundl\u00e6ggende funktionel test<\/strong><br>Starter PCBA'en op og kontrollerer den grundl\u00e6ggende drift. Billig, men mangler fejldiagnostik.<\/li>\n\n<li><strong>Omfattende funktionel test<\/strong><br>Bruger specialudstyr til at teste alle funktionsmoduler med automatiseret diagnostik. Dyrere, men grundigere.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FCT_vs_ICT\"><\/span>FCT vs. ICT<span class=\"ez-toc-section-end\"><\/span><\/h3><p>FCT er en &#8220;black-box&#8221; test - den kontrollerer kun ind- og udgange, ikke interne kredsl\u00f8b.Den supplerer ICT og udf\u00f8res typisk, efter at ICT har bekr\u00e6ftet korrekte forbindelser.<\/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\/06\/PCBA-Testing-2.jpg\" alt=\"PCBA-testning\" class=\"wp-image-3272\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/PCBA-Testing-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Five_Key_Considerations\"><\/span>Fem vigtige overvejelser<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Testsekvens<\/strong><br>F\u00f8lg AOI \u2192 ICT \u2192 FCT-r\u00e6kkef\u00f8lgen for at sikre, at fejl opdages tidligt.<\/li>\n\n<li><strong>Testd\u00e6kning<\/strong><br>Kontroller regelm\u00e6ssigt, at alle kritiske omr\u00e5der er testet, is\u00e6r i FCT.<\/li>\n\n<li><strong>Vedligeholdelse af inventar<\/strong><br>Reng\u00f8r og vedligehold ICT-testarmaturer for at forhindre falske fejl.<\/li>\n\n<li><strong>Opdateringer til testprogrammet<\/strong><br>Opdater testsoftware, n\u00e5r PCB-design eller komponenter \u00e6ndres.<\/li>\n\n<li><strong>Styring af data<\/strong><br>Registrer og analyser testdata med henblik p\u00e5 sporbarhed og procesforbedring.<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_PCBA_Testing_Issues_Solutions\"><\/span>Almindelige PCBA-testproblemer og -l\u00f8sninger<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Mange falske AOI-fejl<\/strong><br><em>\u00c5rsag:<\/em> Lysvariationer, komponentfarveforskelle eller forkerte indstillinger.<br><em>L\u00f8sning:<\/em> Optimer belysningen, juster detektionst\u00e6rsklerne, og finpuds referencebillederne.<\/li>\n\n<li><strong>Problemer med ICT-kontakt<\/strong><br><em>\u00c5rsag:<\/em> Slidte eller snavsede teststifter eller oxiderede PCB-pads.<br><em>L\u00f8sning:<\/em> Udskift stifterne regelm\u00e6ssigt, reng\u00f8r kontakterne, og brug forst\u00e6rkere, hvis det er n\u00f8dvendigt.<\/li>\n\n<li><strong>Ustabile FCT-resultater<\/strong><br><em>\u00c5rsag:<\/em> Milj\u00f8st\u00f8j, str\u00f8mudsving eller l\u00f8se stik.<br><em>L\u00f8sning:<\/em> Afsk\u00e6rm testopstillinger, brug stabile str\u00f8mforsyninger og sikre forbindelser.<\/li>\n\n<li><strong>Manglende kanttilf\u00e6lde-tests<\/strong><br><em>\u00c5rsag:<\/em> Ufuldst\u00e6ndig testd\u00e6kning (f.eks. ekstreme sp\u00e6ndinger\/temperaturer).<br><em>L\u00f8sning:<\/em> Tilf\u00f8j test af gr\u00e6nsebetingelser til valideringsplanen.<\/li>\n\n<li><strong>Lav testeffektivitet<\/strong><br><em>\u00c5rsag:<\/em> D\u00e5rligt testflow eller underudnyttet udstyr.<br><em>L\u00f8sning:<\/em> Optimer parallel testning og afbalancer stationens arbejdsbyrde.<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Konklusion<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCBA-fabrikkens testsystem er at sikre p\u00e5lideligheden af elektroniske produkter er n\u00f8glen til AOI, ICT og FCT tre testmetoder, hver med sin rolle, AOI-vagtlodningskvalitet, ICT for at sikre kredsl\u00f8bets integritet, FCT for at verificere produktets funktionalitet, dannelsen af et komplet udvalg af test fra ydersiden til indersiden, fra lokalt til det samlede netv\u00e6rk.<\/p><p>I den faktiske produktion er vi n\u00f8dt til at konfigurere testressourcer og -processer rationelt i henhold til produktegenskaber, produktionsskala og p\u00e5lidelighedskrav. Samtidig optimerer l\u00f8bende analyse af testdata testprogrammet for at opbygge et virkelig effektivt kvalitetssikringssystem.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Related_Test_Recommendations\"><\/span>Anbefalinger til relaterede tests<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/pcb-reliability-testing\/\">Test af PCB's p\u00e5lidelighed<\/a><br><a href=\"https:\/\/www.topfastpcb.com\/da\/blog\/what-tests-to-do-with-pcbs\/\">Hvilke tests skal man lave med PCB?<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>PCB-fabrikstest, herunder AOI-, ICT- og FCT-test, arbejdsprincip, implementeringspunkter og indbyrdes forhold, etablering af et perfekt PCBA-testsystem for at sikre produktkvalitet.<\/p>","protected":false},"author":1,"featured_media":3274,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[272,282],"class_list":["post-3267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-pcb-assembly","tag-pcba-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Ultimate PCBA Testing(AOI,ICT,FCT) - Topfastpcb<\/title>\n<meta name=\"description\" content=\"AOI automatic optical inspection, ICT in-line test and FCT functional test. 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