{"id":4684,"date":"2026-03-20T08:48:00","date_gmt":"2026-03-20T00:48:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=4684"},"modified":"2026-03-19T17:34:41","modified_gmt":"2026-03-19T09:34:41","slug":"the-complete-pcba-processing-guide","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/the-complete-pcba-processing-guide\/","title":{"rendered":"T\u00e4ydellinen PCBA-k\u00e4sittelyopas: SMT:st\u00e4 lopulliseen testaukseen"},"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\">Sis\u00e4llysluettelo<\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#Solder_Paste_Stenciling_The_Foundation\" >Juotospastan sabloonaus (s\u00e4\u00e4ti\u00f6)<\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#High-Speed_Pick_and_Place_SMT\" >Nopea poiminta ja sijoittelu (SMT)<\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#Reflow_Soldering_Thermal_Profiling\" >Reflow-juottaminen ja l\u00e4mp\u00f6profiilien m\u00e4\u00e4ritys<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/the-complete-pcba-processing-guide\/#Inspection_Quality_Control_AOI_X-Ray\" >Tarkastus ja laadunvalvonta (AOI ja r\u00f6ntgen)<\/a><\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#Through-Hole_Technology_THT_Manual_Assembly\" >L\u00e4pivientitekniikka (THT) ja manuaalinen kokoonpano<\/a><\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#5_Steps_to_Ensure_a_Smooth_PCBA_Processing_Flow\" >5 vaihetta sujuvan PCBA-prosessointivirran varmistamiseksi<\/a><\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#Frequently_Asked_Questions_about_PCBA_Processing\" >Usein kysytyt kysymykset PCBA-k\u00e4sittelyst\u00e4<\/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\/fi\/blog\/the-complete-pcba-processing-guide\/#Conclusion\" >P\u00e4\u00e4telm\u00e4<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solder_Paste_Stenciling_The_Foundation\"><\/span>Juotospastan sabloonaus (s\u00e4\u00e4ti\u00f6)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Prosessi alkaa juotospastan levitt\u00e4misell\u00e4 paljaalle levylle ruostumattomasta ter\u00e4ksest\u00e4 valmistetulla kaavalla. Tarkkuus on elint\u00e4rke\u00e4\u00e4, sill\u00e4 yli <strong>60% PCBA-viat<\/strong> johtuvat huonosta juotospastan laskeutumisesta. Juotospastan on oltava t\u00e4ydellisesti linjassa juotospastassa m\u00e4\u00e4riteltyjen tyynyjen kanssa. <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-design-principles\/\">PCB-suunnittelun periaatteet<\/a>.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High-Speed_Pick_and_Place_SMT\"><\/span>Nopea poiminta ja sijoittelu (SMT)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Automaattiset SMT-koneet poimivat <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/the-ultimate-guide-to-smd-electronic-components\/\" target=\"_blank\" rel=\"noreferrer noopener\">SMD elektroniset komponentit<\/a> ja aseta ne juotospastan p\u00e4\u00e4lle mikronin tarkkuudella. T\u00e4ss\u00e4 vaiheessa tehd\u00e4\u00e4n tiheit\u00e4 malleja, kuten esim. <a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/hdi-pcb\/\" target=\"_blank\" rel=\"noreferrer noopener\">HDI PCB:t<\/a>, jotta saavutetaan niiden kompakti muoto.<\/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\/11\/pcba.jpg\" alt=\"pcba\" class=\"wp-image-4685\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflow_Soldering_Thermal_Profiling\"><\/span>Reflow-juottaminen ja l\u00e4mp\u00f6profiilien m\u00e4\u00e4ritys<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Levy kulkee monivy\u00f6hykkeisen reflow-uunin l\u00e4pi, jossa tahna sulaa muodostaen pysyv\u00e4t s\u00e4hk\u00f6iset ja mekaaniset liitokset. Topfastissa r\u00e4\u00e4t\u00e4l\u00f6imme l\u00e4mp\u00f6profiilin, joka perustuu <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/the-ultimate-guide-to-pcb-stack-up-design\/\">PCB stack-up suunnittelu<\/a> est\u00e4\u00e4ksesi komponenttien ylikuumenemisen tai \"tombstoningin\".<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inspection_Quality_Control_AOI_X-Ray\"><\/span>Tarkastus ja laadunvalvonta (AOI ja r\u00f6ntgen)<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Nollavirheett\u00f6m\u00e4n valmistuksen varmistamiseksi jokaiselle levylle tehd\u00e4\u00e4n:<\/p><ul class=\"wp-block-list\"><li><strong>AOI (automaattinen optinen tarkastus):<\/strong> Etsii puuttuvia komponentteja, napaisuusongelmia tai juotosiltoja.<\/li>\n\n<li><strong>R\u00f6ntgentarkastus:<\/strong> V\u00e4ltt\u00e4m\u00e4t\u00f6n BGA- ja QFN-levyille, joissa juotosliitokset ovat piilossa. T\u00e4m\u00e4 on vakio-osa <a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/category\/pcba\/\" target=\"_blank\" rel=\"noreferrer noopener\">huippuluokan PCB-kokoonpano<\/a> ty\u00f6nkulku.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Through-Hole_Technology_THT_Manual_Assembly\"><\/span>L\u00e4pivientitekniikka (THT) ja manuaalinen kokoonpano<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Mekaanista lujuutta vaativissa komponenteissa (kuten liittimiss\u00e4 tai suurissa kondensaattoreissa) k\u00e4ytet\u00e4\u00e4n THT:t\u00e4 aaltojuottamalla tai k\u00e4sinjuottamalla. Jos olet korjaamassa vikoja prototyypiss\u00e4, saatat joutua k\u00e4ytt\u00e4m\u00e4\u00e4n seuraavia menetelmi\u00e4 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-to-test-capacitors\/\">testikondensaattorit<\/a> erikseen piirin eheyden tarkistamiseksi.<\/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\/11\/pcba-2.jpg\" alt=\"pcba\" class=\"wp-image-4687\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Steps_to_Ensure_a_Smooth_PCBA_Processing_Flow\"><\/span>5 vaihetta sujuvan PCBA-prosessointivirran varmistamiseksi<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\"><\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1773912520013\"><strong class=\"schema-how-to-step-name\">Tuotantoa edelt\u00e4v\u00e4n DFM-tarkastelun suorittaminen<\/strong> <p class=\"schema-how-to-step-text\">Suorita valmistussuunnittelun (DFM) tarkistus varmistaaksesi, ett\u00e4 jalanj\u00e4ljet vastaavat sinun <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/the-ultimate-guide-to-smd-electronic-components\/\" target=\"_blank\" rel=\"noreferrer noopener\">SMD-komponentit<\/a>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773912542004\"><strong class=\"schema-how-to-step-name\">Optimoi materiaaliluettelo (BOM)<\/strong> <p class=\"schema-how-to-step-text\">Varmista, ett\u00e4 kaikki osat ovat saatavilla ja ett\u00e4 niill\u00e4 on oikeat valmistajan osanumerot, jotta v\u00e4lt\u00e4t kokoonpanoviiveet.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773912553655\"><strong class=\"schema-how-to-step-name\">M\u00e4\u00e4rit\u00e4 juotospastavaatimukset<\/strong> <p class=\"schema-how-to-step-text\">Valitse lyijyllinen, lyijyt\u00f6n (RoHS) tai ei-puhdas juotospasta loppuk\u00e4ytt\u00f6ymp\u00e4rist\u00f6n perusteella. <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/what-is-a-pcb-design\/\" target=\"_blank\" rel=\"noreferrer noopener\">PCB-suunnittelu<\/a>.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773912571999\"><strong class=\"schema-how-to-step-name\">Integroi testipisteet<\/strong> <p class=\"schema-how-to-step-text\">Lis\u00e4\u00e4 testipisteit\u00e4 layoutiisi helpottaaksesi piirin sis\u00e4ist\u00e4 testausta (ICT) ja toiminnallista verifiointia.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1773912582459\"><strong class=\"schema-how-to-step-name\">Lopullinen toiminnallinen testaus<\/strong> <p class=\"schema-how-to-step-text\">Kun kokoonpano on valmis, tee t\u00e4ydellinen toimintatesti varmistaaksesi, ett\u00e4 PCBA t\u00e4ytt\u00e4\u00e4 kaikki s\u00e4hk\u00f6iset vaatimukset ennen l\u00e4hett\u00e4mist\u00e4.<\/p> <\/li><\/ol><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_about_PCBA_Processing\"><\/span>Usein kysytyt kysymykset PCBA-k\u00e4sittelyst\u00e4<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-1773912638745\"><strong class=\"schema-faq-question\"><strong>K: Mik\u00e4 on t\u00e4rkein ero PCB: n ja PCBA: n v\u00e4lill\u00e4?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Piirilevy on paljas piirilevy ilman komponentteja, kun taas PCBA on valmis kokoonpano, jossa kaikki komponentit on juotettu ja toiminnassa.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773912648629\"><strong class=\"schema-faq-question\"><strong>K: Miten voin v\u00e4hent\u00e4\u00e4 PCBA-k\u00e4sittelyn kustannuksia?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Komponenttikokojen standardointi (esim. 0603:n k\u00e4ytt\u00f6 0201:n sijaan) ja yksil\u00f6llisten osien minimointi BOM:ss\u00e4 voi alentaa merkitt\u00e4v\u00e4sti tuotekokoa. <a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/category\/pcba\/\" target=\"_blank\" rel=\"noreferrer noopener\">PCB-kokoonpano<\/a> kustannukset.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773912659937\"><strong class=\"schema-faq-question\"><strong>K: Miksi r\u00f6ntgentarkastus on tarpeen nykyaikaisessa PCBA:ssa?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Se on ainoa tapa tarkastaa juotosliitokset BGA-levyjen alla tai sis\u00e4ll\u00e4. <a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/hdi-pcb\/\" target=\"_blank\" rel=\"noreferrer noopener\">HDI PCB:t<\/a>, jolloin varmistetaan, ettei piilossa ole lyhyit\u00e4 tai tyhji\u00e4 kohtia.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773912673965\"><strong class=\"schema-faq-question\"><strong>K: Voiko SMT- ja THT-levyj\u00e4 k\u00e4ytt\u00e4\u00e4 samassa levyss\u00e4?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Kyll\u00e4, t\u00e4t\u00e4 kutsutaan sekakokoonpanoksi. SMT suoritetaan tyypillisesti ensin, mink\u00e4 j\u00e4lkeen tehd\u00e4\u00e4n THT aaltojuottamalla tai k\u00e4sin juottamalla l\u00e4pireik\u00e4iset osat.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773912683886\"><strong class=\"schema-faq-question\"><strong>K: Mitk\u00e4 ovat PCBA:n vikaantumisen yleiset syyt?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>A:<\/strong> Useimmat viat johtuvat huonosta <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-design-optimization-strategies\/\" target=\"_blank\" rel=\"noreferrer noopener\">PCB-suunnittelun optimointi<\/a>, v\u00e4\u00e4r\u00e4 juotospastan m\u00e4\u00e4r\u00e4 tai riitt\u00e4m\u00e4t\u00f6n l\u00e4mm\u00f6nhallinta uudelleenjuoksutuksen aikana.<\/p> <\/div> <\/div><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\/11\/pcba-3.jpg\" alt=\"pcba\" class=\"wp-image-4688\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/11\/pcba-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>P\u00e4\u00e4telm\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Mastering the <strong>PCBA-k\u00e4sittelyopas<\/strong> on avain menestyksekk\u00e4iden elektroniikkatuotteiden lanseeraamiseen. Keskittym\u00e4ll\u00e4 DFM:\u00e4\u00e4n, tarkkaan SMT-sijoitteluun ja tiukkaan testaukseen Topfast varmistaa, ett\u00e4 suunnitelmasi muuttuvat suorituskykyisiksi laitteistoiksi.<\/p><p><em>Oletko valmis aloittamaan tuotantoer\u00e4n?<\/em> <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/category\/pcba\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hanki ammattimainen PCBA-tarjous Topfastilta<\/a><\/strong> <em>t\u00e4n\u00e4\u00e4n.<\/em><\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><p><strong>Viimeksi p\u00e4ivitetty:<\/strong> maaliskuu 2026 | <strong>Arvostellut:<\/strong> Topfast Engineering &amp; Quality Dept.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>PCBA (Printed Circuit Board Assembly) on monimutkainen prosessi, jossa elektroniset komponentit juotetaan valmistetulle levylle. T\u00e4ss\u00e4 t\u00e4ydellisess\u00e4 PCBA-k\u00e4sittelyoppaassa eritell\u00e4\u00e4n jokainen kriittinen vaihe, mukaan lukien SMT (Surface Mount Technology), THT (Through-Hole Technology) ja tiukat AOI- ja l\u00e4pivalaisutarkastukset. N\u00e4iden vaiheiden ymm\u00e4rt\u00e4minen on t\u00e4rke\u00e4\u00e4, jotta insin\u00f6\u00f6rit voivat optimoida piirilevysuunnittelunsa massatuotantoa ja pitk\u00e4aikaista luotettavuutta varten.<\/p>","protected":false},"author":1,"featured_media":4686,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[272,410],"class_list":["post-4684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-assembly","tag-pcba-processing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Complete PCBA Processing Guide: Step-by-Step Assembly (2026)<\/title>\n<meta name=\"description\" content=\"Master the PCBA processing workflow from Solder Paste Stenciling to Final Inspection. 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SMT is typically performed first, followed by THT via wave soldering or manual soldering for through-hole parts.","inLanguage":"fi"},"inLanguage":"fi"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#faq-question-1773912683886","position":5,"url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#faq-question-1773912683886","name":"Q: What are the common causes of PCBA failure?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>A:<\/strong> Most failures are caused by poor <a href=\"https:\/\/www.topfastpcb.com\/blog\/pcb-design-optimization-strategies\/\" target=\"_blank\" rel=\"noreferrer noopener\">PCB design optimization<\/a>, incorrect solder paste volume, or inadequate thermal management during reflow.","inLanguage":"fi"},"inLanguage":"fi"},{"@type":"HowTo","@id":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#howto-1","name":"The Complete PCBA Processing Guide: From SMT to Final Testing","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#article"},"description":"","step":[{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#how-to-step-1773912520013","name":"Conduct a Pre-Production DFM Review","itemListElement":[{"@type":"HowToDirection","text":"Perform a Design for Manufacturing (DFM) check to ensure footprints match your <a href=\"https:\/\/www.topfastpcb.com\/blog\/the-ultimate-guide-to-smd-electronic-components\/\" target=\"_blank\" rel=\"noreferrer noopener\">SMD components<\/a>."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#how-to-step-1773912542004","name":"Optimize the Bill of Materials (BOM)","itemListElement":[{"@type":"HowToDirection","text":"Verify that all components are available and have the correct manufacturer part numbers to avoid assembly delays."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#how-to-step-1773912553655","name":"Define Solder Paste Requirements","itemListElement":[{"@type":"HowToDirection","text":"Choose between leaded, lead-free (RoHS), or no-clean solder paste based on the end-use environment of the <a href=\"https:\/\/www.topfastpcb.com\/blog\/what-is-a-pcb-design\/\" target=\"_blank\" rel=\"noreferrer noopener\">PCB design<\/a>."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#how-to-step-1773912571999","name":"Integrate Test Points","itemListElement":[{"@type":"HowToDirection","text":"Add test points into your layout to facilitate In-Circuit Testing (ICT) and functional verification."}]},{"@type":"HowToStep","url":"https:\/\/www.topfastpcb.com\/blog\/the-complete-pcba-processing-guide\/#how-to-step-1773912582459","name":"Final Functional Testing","itemListElement":[{"@type":"HowToDirection","text":"Once assembly is complete, perform a full functional test to ensure the PCBA meets all electrical specifications before shipping."}]}],"inLanguage":"fi"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/4684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/comments?post=4684"}],"version-history":[{"count":3,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/4684\/revisions"}],"predecessor-version":[{"id":5368,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/posts\/4684\/revisions\/5368"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/media\/4686"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/media?parent=4684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/categories?post=4684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fi\/wp-json\/wp\/v2\/tags?post=4684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}