{"id":3479,"date":"2025-06-28T08:35:03","date_gmt":"2025-06-28T00:35:03","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?post_type=product&#038;p=3479"},"modified":"2025-06-26T11:23:14","modified_gmt":"2025-06-26T03:23:14","slug":"fr-4-pcb","status":"publish","type":"product","link":"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/","title":{"rendered":"FR-4 PCB"},"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\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Services\" >Professional FR-4 PCB Manufacturing Services<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/#Why_Choose_Topfasts_FR-4_PCB_Services\" >Miksi valita Topfast&#8217; s FR-4 PCB Services?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/#Key_Advantages_of_FR-4_PCBs\" >FR-4 PCB:n t\u00e4rkeimm\u00e4t edut<\/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\/fi\/products\/fr-4-pcb\/#Topfasts_Professional_FR-4_PCB_Manufacturing_Process\" >Topfast&#8217; s Professional FR-4 PCB valmistusprosessi<\/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\/fi\/products\/fr-4-pcb\/#FR-4_PCB_Application_Areas\" >FR-4 PCB-sovellusalueet<\/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\/fi\/products\/fr-4-pcb\/#Why_Global_Clients_Choose_Topfast\" >Miksi globaalit asiakkaat valitsevat Topfastin?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/#Comparison_of_Common_FR-4_PCB_Types\" >Yleisten FR-4 PCB-tyyppien vertailu<\/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\/fi\/products\/fr-4-pcb\/#Professional_FR-4_PCB_Manufacturing_Guidelines\" >Professional FR-4 PCB valmistusohjeet<\/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\/fi\/products\/fr-4-pcb\/#Topfast_Manufacturing_Capabilities_Overview\" >Topfastin valmistuskapasiteetin yleiskatsaus<\/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\/fi\/products\/fr-4-pcb\/#Success_Stories\" >Menestystarinat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/#Contact_Us\" >Ota yhteytt\u00e4<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Services\"><\/span>Professional FR-4 PCB Manufacturing Services<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ds-markdown-paragraph\">FR-4-epoksilevyt ovat elektroniikkateollisuudessa yleisimmin k\u00e4ytettyj\u00e4 piirilevyjen perusmateriaaleja, jotka tunnetaan erinomaisista mekaanisista ominaisuuksistaan, dielektrisist\u00e4 ominaisuuksistaan ja palonesto-ominaisuuksistaan. Topfast tarjoaa sinulle kattavat FR-4 PCB-ratkaisut suunnittelusta massatuotantoon.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Choose_Topfasts_FR-4_PCB_Services\"><\/span>Miksi valita Topfast&#8217; s FR-4 PCB Services?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>\u221a 60-kerroksinen korkean tarkkuuden valmistus<\/strong><span>\u00a0<\/span>&#8211; Yksinkertaisista yksikerroksisista levyist\u00e4 monimutkaisiin 60-kerroksisiin levyihin<br \/>\n<strong>\u221a Tiukka laadunvalvonta<\/strong><span>\u00a0<\/span>&#8211; UL, ROHS, ISO9001-sertifioitu, 100% tarkastus<br \/>\n<strong>\u221a Nopea toimitus<\/strong><span>\u00a0<\/span>&#8211; N\u00e4ytteet 24 tunnin kuluessa, massatuotanto 5-7 p\u00e4iv\u00e4n kuluessa.<br \/>\n<strong>\u221a Kustannusoptimoidut ratkaisut<\/strong><span>\u00a0<\/span>&#8211; Kilpailukykyinen hinnoittelu skaalautuvan tuotannon avulla<\/p>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/fi\/contact\/\">Hanki FR-4 PCB tarjous nyt<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Key_Advantages_of_FR-4_PCBs\"><\/span>FR-4 PCB:n t\u00e4rkeimm\u00e4t edut<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Erinomaiset mekaaniset ominaisuudet<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Pystysuora iskunkest\u00e4vyys \u2265 340MPa<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Rinnakkaisiskulujuus \u226533KJ\/\u33a1<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Paksuusalue 0.1-6.0mm erilaisiin sovelluksiin<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Erinomaiset s\u00e4hk\u00f6iset ominaisuudet<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Dielektrisyysvakio \u22645,5<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">H\u00e4vi\u00f6kerroin \u22640,04<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Eristysresistanssi upottamisen j\u00e4lkeen \u22655\u00d710\u2078\u03a9<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Erinomainen sopeutumiskyky ymp\u00e4rist\u00f6\u00f6n<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Lasittumisl\u00e4mp\u00f6tila (Tg) jopa 170 \u2103 asti<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hajoamisl\u00e4mp\u00f6tila (Td) 345 \u2103<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Erinomainen kosteudenkest\u00e4vyys kosteissa ymp\u00e4rist\u00f6iss\u00e4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb.jpg\" alt=\"fr4 piirilevy\" width=\"600\" height=\"402\" class=\"aligncenter size-full wp-image-3480\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/fr4-pcb-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Topfasts_Professional_FR-4_PCB_Manufacturing_Process\"><\/span>Topfast&#8217;s Professional FR-4 <a href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/pcb-manufacturing-process-flow\/\">PCB valmistusprosessi<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">K\u00e4yt\u00e4mme kehittyneit\u00e4 kansainv\u00e4lisi\u00e4 prosesseja, jotka takaavat korkeimmat standardit:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Paneelin pinnoitus<\/strong>: Kuparin paksuuden tasaisuus \u00b115%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Kuviopinnoitus<\/strong>Min. viiva\/v\u00e4li 1\/1mil, tasaisuus \u00b18%.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Monipuoliset pintak\u00e4sittelyt<\/strong>: HASL, ENIG, OSP, upotuskulta\/tina jne.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Tiukka laadunvalvonta<\/strong>: AOI, impedanssitestaus, toiminnallinen testaus.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/fi\/contact\/\">N\u00e4yt\u00e4 PCB-ominaisuutemme<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"FR-4_PCB_Application_Areas\"><\/span>FR-4 PCB-sovellusalueet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">K\u00e4ytet\u00e4\u00e4n laajalti:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Viihde-elektroniikka: \u00c4lypuhelimet, tabletit, puettavat laitteet<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Teollisuuden ohjaus:PLC:t, taajuusmuuttajat, teollisuus-PC:t.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Autoelektroniikka:Infotainment, ADAS, BMS.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Viestint\u00e4:Reitittimet, kytkimet, tukiasemat<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">L\u00e4\u00e4kinn\u00e4lliset laitteet:Monitorit, diagnostiset laitteet<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Why_Global_Clients_Choose_Topfast\"><\/span>Miksi globaalit asiakkaat valitsevat Topfastin?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">20 000\u33a1 moderni tuotantolaitos<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">1,000+ ammattitaitoista teknist\u00e4 tiimi\u00e4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Palveli maineikkaita yrityksi\u00e4, kuten Huawei, DJI, Mitsubishi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Kehittyneet laitteet, mukaan lukien laserporat, VCP-linjat.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">T\u00e4ydelliset ratkaisut suunnittelusta kokoonpanoon<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/fi\/contact\/\">Konsultoi PCB-tarpeitasi nyt<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Common_FR-4_PCB_Types\"><\/span>Yleisten FR-4 PCB-tyyppien vertailu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>Tyyppi<\/th>\n<th>Ominaisuudet<\/th>\n<th>Sovellukset<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standardi FR-4<\/td>\n<td>Tg 130-140 \u2103, kustannustehokas<\/td>\n<td>Viihde-elektroniikka<\/td>\n<\/tr>\n<tr>\n<td>Korkea Tg FR-4<\/td>\n<td>Tg\u2265170 \u2103, kuumankest\u00e4v\u00e4<\/td>\n<td>Autoteollisuus, teollisuus<\/td>\n<\/tr>\n<tr>\n<td>Korkea CTI FR-4<\/td>\n<td>CTI\u2265600V, korkea eristys<\/td>\n<td>Korkeaj\u00e4nnite, l\u00e4\u00e4ketieteellinen<\/td>\n<\/tr>\n<tr>\n<td>Kuparoimaton FR-4<\/td>\n<td>Puhdas eristysalusta<\/td>\n<td>Rakenteellinen tuki<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Professional_FR-4_PCB_Manufacturing_Guidelines\"><\/span>Professional FR-4 PCB valmistusohjeet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Paksuuden valintaopas<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Kannettavat laitteet: 0,1-0,4 mm ultraohut.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Viihde-elektroniikka: 1.0-1.6mm standardi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Teollinen: 2.0-3.2mm paksuinen<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Suuritehoinen: 3.0-6.0mm eritt\u00e4in paksu<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Korkean taajuuden optimointi<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Valitse matalan Dk\/Df FR-4-muunnokset<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Erityiset impedanssin valvontaprosessit<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Suositellut materiaalit kuten Isola 370HR<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>L\u00e4mm\u00f6nhallinta<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Korkea l\u00e4mm\u00f6njohtavuus FR-4 (Tg180+)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Optimoitu terminen via-suunnittelu<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Metalli-ydin-hybridirakenteet<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.topfastpcb.com\/fi\/contact\/\">Hanki suunnittelusuosituksia<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Topfast_Manufacturing_Capabilities_Overview\"><\/span>Topfastin valmistuskapasiteetin yleiskatsaus<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Max kerrokset<\/strong>: 60<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>V\u00e4himm\u00e4isviiva\/-v\u00e4li<\/strong>: 2\/2mil (ulompi), 3\/3mil (sisempi).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Kuparin paino<\/strong>: 1\/3oz-10oz<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Pintak\u00e4sittelyt<\/strong>: HASL, ENIG, OSP, upotuskulta\/tina jne.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Juotosmaskin v\u00e4rit<\/strong>: Vihre\u00e4, musta, sininen, punainen, valkoinen jne.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Levyn paksuus<\/strong>: 0.4-8mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Levyn enimm\u00e4iskoko<\/strong>: 22.5&#8243;\u00d730&#8243;<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Success_Stories\"><\/span>Menestystarinat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>Tapaus 1: Autoteollisuuden ADAS-j\u00e4rjestelm\u00e4n PCB<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">12-kerroksinen korkea Tg FR-4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00b15% impedanssin s\u00e4\u00e4t\u00f6<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">ENIG-pintak\u00e4sittely<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">AEC-Q100-sertifioitu<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Tapaus 2: 5G-tukiaseman High-Freq PCB<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">V\u00e4h\u00e4h\u00e4vi\u00f6inen FR-4-materiaali<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Hybridilaminointirakenne<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Tarkka impedanssin s\u00e4\u00e4t\u00f6<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Upotuskultainen viimeistely<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Tapaus 3: Medical Monitor PCB<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">6-kerroksinen korkea CTI FR-4<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Conformal-pinnoite<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">100% lent\u00e4v\u00e4 koetin testi<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">L\u00e4\u00e4ketieteellisen turvallisuuden mukainen<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Contact_Us\"><\/span>Ota yhteytt\u00e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"ds-markdown-paragraph\">Tarvitsetpa prototyyppej\u00e4 tai massatuotantoa, Topfast tarjoaa luotettavia FR-4 PCB-ratkaisuja. Insin\u00f6\u00f6ritiimimme on valmis auttamaan:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Puhelin: +86 139 2957 6863<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">S\u00e4hk\u00f6posti:<span>\u00a0<\/span><a href=\"https:\/\/mailto:op@topfastpcb.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">op@topfastpcb.com<\/a><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Online-chat: Chat: 24\/7 tuki verkkosivustolla<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Tehdas:Chuangqiang Road, Ningxi Street, Zengcheng District, Guangzhou, Kiina.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>Topfast &#8211; Luotettava PCB-kumppanisi!<\/strong><span>\u00a0<\/span>17 vuoden asiantuntemus, 20 000\u33a1 tilat, 1000+ tekninen tiimi, joka tarjoaa yhden luukun PCB-ratkaisuja suunnittelusta tuotantoon elektroniikallesi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Topfast on erikoistunut tarjoamaan t\u00e4yden valikoiman FR-4 PCB-palveluja, mukaan lukien standardi FR-4, korkea TG, korkea CTI ja muut tyypit, jotka tukevat jopa 60 kerroksen tarkkaa valmistusta. Meill\u00e4 on 20 000 m\u00b2:n moderni tehdas, joka on UL-, ROHS- ja ISO9001-sertifioitu. Ota nyt yhteytt\u00e4 ammattimaisiin PCB-ratkaisuihin!<\/p>","protected":false},"featured_media":3482,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[113],"product_tag":[310,121],"class_list":{"0":"post-3479","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rigid-pcb","7":"product_tag-fr-4-pcb","8":"product_tag-rigid-pcb","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FR-4 PCB - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Topfast provides high-quality FR-4 PCB manufacturing services, from prototyping to mass production, 60-layer high-precision circuit boards, 10 years of industry experience, ISO certification, and fast delivery.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/fi\/products\/fr-4-pcb\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FR-4 PCB - 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