{"id":5454,"date":"2026-04-23T08:07:00","date_gmt":"2026-04-23T00:07:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5454"},"modified":"2026-04-20T11:39:48","modified_gmt":"2026-04-20T03:39:48","slug":"inside-pcb-factory-manufacturing-process","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/","title":{"rendered":"PCB-tehtaan sis\u00e4ll\u00e4: PCB:n valmistusprosessi: Vaiheittainen valmistusprosessi"},"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\/inside-pcb-factory-manufacturing-process\/#What_actually_happens_inside_a_PCB_factory\" >Mit\u00e4 piirilevytehtaan sis\u00e4ll\u00e4 oikeastaan tapahtuu?<\/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\/inside-pcb-factory-manufacturing-process\/#Step_1_%E2%80%94_Material_Preparation\" >Vaihe 1 - Materiaalin valmistelu<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Common_materials\" >Yleiset materiaalit<\/a><\/li><\/ul><\/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\/inside-pcb-factory-manufacturing-process\/#Step_2_%E2%80%94_Inner_Layer_Imaging\" >Vaihe 2 - Sis\u00e4kerroksen kuvantaminen<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Process_overview\" >Prosessin yleiskatsaus<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_3_%E2%80%94_Etching\" >Vaihe 3 - sy\u00f6vytys<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Result\" >Tulos<\/a><\/li><\/ul><\/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\/inside-pcb-factory-manufacturing-process\/#Step_4_%E2%80%94_Layer_Alignment_and_Lamination\" >Vaihe 4 - Kerrosten kohdistaminen ja laminointi<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Key_elements\" >Keskeiset tekij\u00e4t<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_5_%E2%80%94_Drilling\" >Vaihe 5 - Poraus<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Methods\" >Menetelm\u00e4t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_6_%E2%80%94_Copper_Plating\" >Vaihe 6 - Kuparointi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Purpose\" >K\u00e4ytt\u00f6tarkoitus<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_7_%E2%80%94_Outer_Layer_Imaging_and_Etching\" >Vaihe 7 - Ulomman kerroksen kuvantaminen ja sy\u00f6vytys<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_8_%E2%80%94_Solder_Mask_Application\" >Vaihe 8 - Juotosmaskin levitys<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Functions\" >Toiminnot<\/a><\/li><\/ul><\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_9_%E2%80%94_Surface_Finish\" >Vaihe 9 - Pintak\u00e4sittely<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Common_types\" >Yleiset tyypit<\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Step_10_%E2%80%94_Testing_and_Inspection\" >Vaihe 10 - Testaus ja tarkastus<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Inspection_methods\" >Tarkastusmenetelm\u00e4t<\/a><\/li><\/ul><\/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\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#How_PCB_Factories_Ensure_Process_Stability\" >Miten PCB-tehtaat varmistavat prosessin vakauden<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Key_factors\" >Keskeiset tekij\u00e4t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#How_This_Process_Impacts_Your_PCB_Design\" >Miten t\u00e4m\u00e4 prosessi vaikuttaa PCB-suunnitteluun<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Design_improvements_include\" >Suunnittelun parannuksia ovat<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#Conclusion\" >P\u00e4\u00e4telm\u00e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inside-pcb-factory-manufacturing-process\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_actually_happens_inside_a_PCB_factory\"><\/span>Mit\u00e4 piirilevytehtaan sis\u00e4ll\u00e4 oikeastaan tapahtuu?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Monille insin\u00f6\u00f6reille ja hankinta-ammattilaisille piirilevyjen valmistus voi tuntua \"mustalta laatikolta\". Suunnitelmat toimitetaan ja valmiit levyt toimitetaan, mutta niiden v\u00e4liss\u00e4 olevia prosesseja ei useinkaan t\u00e4ysin ymm\u00e4rret\u00e4.<\/p><p>Todellisuudessa piirilevyjen valmistus on eritt\u00e4in valvottu, monivaiheinen prosessi, joka vaatii tarkkuutta, johdonmukaisuutta ja teknist\u00e4 asiantuntemusta.<\/p><p>T\u00e4m\u00e4n prosessin ymm\u00e4rt\u00e4minen auttaa sinua:<\/p><ul class=\"wp-block-list\"><li>suunnitella enemm\u00e4n valmistettavia piirilevyj\u00e4<\/li>\n\n<li>v\u00e4hent\u00e4\u00e4 tuotantoriskej\u00e4<\/li>\n\n<li>parantaa viestint\u00e4\u00e4 tavarantoimittajien kanssa<\/li><\/ul><p>Jos olet uusi piirilevytehtaissa, aloita t\u00e4st\u00e4: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-factory-what-does-it-do\/\">Mit\u00e4 PCB-tehdas tekee?<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"444\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-8.jpg\" alt=\"PCB-tehdas\" class=\"wp-image-5455\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-8.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-8-300x222.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-8-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_%E2%80%94_Material_Preparation\"><\/span>Vaihe 1 - Materiaalin valmistelu<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB-valmistus alkaa raaka-aineista.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_materials\"><\/span>Yleiset materiaalit<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>kuparip\u00e4\u00e4llysteiset laminaatit (FR4)<\/li>\n\n<li>prepreg (erist\u00e4v\u00e4t liimakerrokset)<\/li>\n\n<li>kuparifolio<\/li><\/ul><p>Materiaalin laatu vaikuttaa suoraan piirilevyn luotettavuuteen ja suorituskykyyn.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_%E2%80%94_Inner_Layer_Imaging\"><\/span>Vaihe 2 - Sis\u00e4kerroksen kuvantaminen<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Piirikuvio siirret\u00e4\u00e4n sisemmille kuparikerroksille.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Process_overview\"><\/span>Prosessin yleiskatsaus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>levitt\u00e4\u00e4 fotoresisti\u00e4<\/li>\n\n<li>altistuvat UV-valolle<\/li>\n\n<li>kehitt\u00e4\u00e4 ja paljastaa mallin<\/li><\/ul><p>T\u00e4ss\u00e4 vaiheessa m\u00e4\u00e4ritell\u00e4\u00e4n monikerroslevyjen sis\u00e4iset piirit.<\/p><p>Lis\u00e4tietoja: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/inner-layer-fabrication-the-foundation-of-pcb-manufacturing\/\">Sis\u00e4kerroksen valmistuksen selitys<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_%E2%80%94_Etching\"><\/span>Vaihe 3 - sy\u00f6vytys<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Ei-toivottu kupari poistetaan kemiallisella sy\u00f6vytyksell\u00e4.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Result\"><\/span>Tulos<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>J\u00e4ljelle j\u00e4\u00e4v\u00e4t vain suunnitellut kuparij\u00e4ljet<\/li>\n\n<li>muodostetaan virtapiirej\u00e4<\/li><\/ul><p>Prosessin valvonta on t\u00e4ss\u00e4 yhteydess\u00e4 kriittisen t\u00e4rke\u00e4\u00e4 v\u00e4ltt\u00e4\u00e4:<\/p><ul class=\"wp-block-list\"><li>yli-etsint\u00e4<\/li>\n\n<li>alle sy\u00f6vytys<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_%E2%80%94_Layer_Alignment_and_Lamination\"><\/span>Vaihe 4 - Kerrosten kohdistaminen ja laminointi<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Useita PCB-kerroksia pinotaan ja liimataan.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_elements\"><\/span>Keskeiset tekij\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>kerroksen kohdistustarkkuus<\/li>\n\n<li>l\u00e4mp\u00f6tilan ja paineen s\u00e4\u00e4t\u00f6<\/li><\/ul><p>N\u00e4in luodaan lopullinen monikerrosrakenne.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_%E2%80%94_Drilling\"><\/span>Vaihe 5 - Poraus<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Rei\u00e4t porataan l\u00e4pivientej\u00e4 ja komponentteja varten.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Methods\"><\/span>Menetelm\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>mekaaninen poraaminen (tavalliset PCB:t)<\/li>\n\n<li>laserporaus (HDI PCB)<\/li><\/ul><p>Poraustarkkuus vaikuttaa s\u00e4hk\u00f6iseen liitett\u00e4vyyteen ja luotettavuuteen.<\/p><p>Lue lis\u00e4\u00e4: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-drilling-vs-laser-drilling\/\">PCB-poraus vs. laserporaus<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"475\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-9.jpg\" alt=\"PCB-tehdas\" class=\"wp-image-5456\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-9.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-9-300x238.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-9-15x12.jpg 15w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_6_%E2%80%94_Copper_Plating\"><\/span>Vaihe 6 - Kuparointi<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Kupari kerrostuu porattujen reikien sis\u00e4\u00e4n.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Purpose\"><\/span>K\u00e4ytt\u00f6tarkoitus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>luoda s\u00e4hk\u00f6isi\u00e4 yhteyksi\u00e4 kerrosten v\u00e4lille<\/li>\n\n<li>varmistaa luotettavan signaalinsiirron<\/li><\/ul><p>Huono pinnoitus voi aiheuttaa:<\/p><ul class=\"wp-block-list\"><li>avoimet piirit<\/li>\n\n<li>luotettavuush\u00e4iri\u00f6t<\/li><\/ul><p>Lis\u00e4tietoja: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/copper-plating-process-in-pcb-manufacturing-explained\/\">Kuparointiprosessi PCB-valmistuksessa<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_7_%E2%80%94_Outer_Layer_Imaging_and_Etching\"><\/span>Vaihe 7 - Ulomman kerroksen kuvantaminen ja sy\u00f6vytys<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Ulommat kerrokset on kuvioitu piirin t\u00e4ydent\u00e4miseksi.<\/p><p>T\u00e4ss\u00e4 vaiheessa m\u00e4\u00e4ritell\u00e4\u00e4n:<\/p><ul class=\"wp-block-list\"><li>komponenttityynyt<\/li>\n\n<li>reititysj\u00e4ljet<\/li>\n\n<li>lopullinen piirirakenne<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_8_%E2%80%94_Solder_Mask_Application\"><\/span>Vaihe 8 - Juotosmaskin levitys<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB:n p\u00e4\u00e4lle levitet\u00e4\u00e4n suojakerros.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Functions\"><\/span>Toiminnot<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>est\u00e4\u00e4 juotossiltojen muodostumisen<\/li>\n\n<li>suojaa kuparij\u00e4lki\u00e4<\/li>\n\n<li>parantaa eristyst\u00e4<\/li><\/ul><p>Suunnittelua koskevat n\u00e4k\u00f6kohdat: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-solder-mask-design-guidelines\/\">PCB-juotosmaskin suunnitteluohjeet<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_9_%E2%80%94_Surface_Finish\"><\/span>Vaihe 9 - Pintak\u00e4sittely<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Pintak\u00e4sittelyt levitet\u00e4\u00e4n alttiisiin tyynyihin.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_types\"><\/span>Yleiset tyypit<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>ENIG<\/li>\n\n<li>HASL<\/li>\n\n<li>OSP<\/li><\/ul><p>N\u00e4m\u00e4 pinnoitteet parantavat juotettavuutta ja suojaavat kuparia.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_10_%E2%80%94_Testing_and_Inspection\"><\/span>Vaihe 10 - Testaus ja tarkastus<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Lopulliset levyt k\u00e4yv\u00e4t l\u00e4pi laatutarkastukset.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inspection_methods\"><\/span>Tarkastusmenetelm\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>AOI (automaattinen optinen tarkastus)<\/li>\n\n<li>s\u00e4hk\u00f6inen testaus (E-testi)<\/li>\n\n<li>R\u00f6ntgentarkastus (tarvittaessa)<\/li><\/ul><p>Laadunvalvonnalla varmistetaan, ett\u00e4 levyt t\u00e4ytt\u00e4v\u00e4t suunnittelun vaatimukset.<\/p><p>Lis\u00e4tietoja: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-quality-and-reliability\/\">PCB Quality and Reliability Guide<\/a><\/strong><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PCB_Factories_Ensure_Process_Stability\"><\/span>Miten PCB-tehtaat varmistavat prosessin vakauden<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Luotettava PCB-tehdas yll\u00e4pit\u00e4\u00e4 tiukkaa prosessinvalvontaa.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_factors\"><\/span>Keskeiset tekij\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>standardoidut ty\u00f6nkulut<\/li>\n\n<li>valvottu ymp\u00e4rist\u00f6 (l\u00e4mp\u00f6tila, kosteus)<\/li>\n\n<li>laitteiden kalibrointi<\/li>\n\n<li>koulutetut insin\u00f6\u00f6ritiimit<\/li><\/ul><p>PCB-valmistajilla, kuten <strong>TOPFAST<\/strong>, prosessinvalvonta ja tekninen tarkastelu ovat olennainen osa tasaisen valmistuslaadun varmistamista.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"485\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-10.jpg\" alt=\"PCB-tehdas\" class=\"wp-image-5457\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-10.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-10-300x243.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/04\/PCB-Factory-10-15x12.jpg 15w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_This_Process_Impacts_Your_PCB_Design\"><\/span>Miten t\u00e4m\u00e4 prosessi vaikuttaa PCB-suunnitteluun<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Valmistusvaiheiden ymm\u00e4rt\u00e4minen auttaa sinua suunnittelemaan parempia piirilevyj\u00e4.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_improvements_include\"><\/span>Suunnittelun parannuksia ovat<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>asianmukainen j\u00e4ljen leveys ja v\u00e4li<\/li>\n\n<li>valmistettavat via-rakenteet<\/li>\n\n<li>optimoitu kerroskasauma<\/li><\/ul><p>DFM-periaatteet selitet\u00e4\u00e4n seuraavassa: <strong><a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-dfm-basics-design-for-manufacturing-guidelines\/\">PCB Design for Manufacturing -ohjeet<\/a><\/strong><\/p><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>Piirilevyjen valmistus on monimutkainen ja eritt\u00e4in valvottu prosessi, johon kuuluu useita vaiheita, joista jokainen vaikuttaa lopputuotteen laatuun.<\/p><p>Ymm\u00e4rt\u00e4m\u00e4ll\u00e4, mit\u00e4 piirilevytehtaan sis\u00e4ll\u00e4 tapahtuu, insin\u00f6\u00f6rit ja ostajat voivat tehd\u00e4 tietoon perustuvia p\u00e4\u00e4t\u00f6ksi\u00e4, parantaa suunnittelun yhteensopivuutta ja saavuttaa luotettavampia tuotantotuloksia.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<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-1776655226277\"><strong class=\"schema-faq-question\">K: Mik\u00e4 on PCB-valmistusprosessi?<\/strong> <p class=\"schema-faq-answer\">V: Piirilevyjen valmistusprosessi sis\u00e4lt\u00e4\u00e4 kuvantamisen, etsauksen, laminoinnin, porauksen, pinnoituksen ja viimeistelyn.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776655239569\"><strong class=\"schema-faq-question\">K: Kuinka kauan PCB-valmistus kest\u00e4\u00e4?<\/strong> <p class=\"schema-faq-answer\">V: Se riippuu monimutkaisuudesta, mutta tyypillisesti se vaihtelee muutamasta p\u00e4iv\u00e4st\u00e4 prototyyppien ja useiden viikkojen v\u00e4lill\u00e4 massatuotannon osalta.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776655253093\"><strong class=\"schema-faq-question\">K: Mik\u00e4 on kriittisin vaihe PCB-valmistuksessa?<\/strong> <p class=\"schema-faq-answer\">V: Jokainen vaihe on t\u00e4rke\u00e4, mutta poraus ja pinnoitus ovat erityisen t\u00e4rkeit\u00e4 s\u00e4hk\u00f6isen luotettavuuden kannalta.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1776655294890\"><strong class=\"schema-faq-question\">K: Voivatko PCB-tehtaat k\u00e4sitell\u00e4 monimutkaisia malleja?<\/strong> <p class=\"schema-faq-answer\">V: Kyll\u00e4, kehittyneet PCB-tehtaat tukevat monikerroksista, HDI: t\u00e4 ja korkean taajuuden PCB-valmistusta.<\/p> <\/div> <\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>PCB-tehtaan toiminnan ymm\u00e4rt\u00e4minen voi auttaa insin\u00f6\u00f6rej\u00e4 ja ostajia tekem\u00e4\u00e4n parempia hankintap\u00e4\u00e4t\u00f6ksi\u00e4. T\u00e4ss\u00e4 artikkelissa tutustutaan piirilevytehtaaseen ja selitet\u00e4\u00e4n koko valmistusprosessi vaihe vaiheelta raaka-aineista valmiisiin piirilevyihin. Siin\u00e4 k\u00e4sitell\u00e4\u00e4n keskeisi\u00e4 prosesseja, kuten sis\u00e4kerroksen kuvantamista, laminointia, porausta, kuparointia ja pintak\u00e4sittely\u00e4. Ymm\u00e4rt\u00e4m\u00e4ll\u00e4, miten piirilevyj\u00e4 valmistetaan, voit parantaa suunnittelup\u00e4\u00e4t\u00f6ksi\u00e4, v\u00e4hent\u00e4\u00e4 tuotantoriskej\u00e4 ja varmistaa tuotteiden suuremman luotettavuuden.<\/p>","protected":false},"author":1,"featured_media":5458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[451],"class_list":["post-5454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-factory"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Inside a PCB Factory: Step-by-Step PCB Manufacturing Process Explained<\/title>\n<meta name=\"description\" content=\"Explore the PCB manufacturing process inside a PCB factory, including imaging, etching, drilling, plating, and quality control.\" \/>\n<meta name=\"robots\" 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What is the PCB manufacturing process?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: The PCB manufacturing process includes imaging, etching, lamination, drilling, plating, and finishing.","inLanguage":"fi"},"inLanguage":"fi"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/inside-pcb-factory-manufacturing-process\/#faq-question-1776655239569","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/inside-pcb-factory-manufacturing-process\/#faq-question-1776655239569","name":"Q: How long does PCB manufacturing take?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: It depends on complexity, but typically ranges from a few days for prototypes to several weeks for mass 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