{"id":4402,"date":"2025-09-28T08:17:00","date_gmt":"2025-09-28T00:17:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=4402"},"modified":"2025-09-27T15:40:19","modified_gmt":"2025-09-27T07:40:19","slug":"how-are-pcb-silk-screens-made","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/","title":{"rendered":"Miten PCB-silkkipainatukset valmistetaan?"},"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\/how-are-pcb-silk-screens-made\/#1_What_is_PCB_Silkscreen\" >1. Mik\u00e4 on PCB-silkkipainatus?<\/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\/how-are-pcb-silk-screens-made\/#2_Core_Value_of_PCB_Silkscreen\" >2. PCB-silkkipainatuksen ydinarvo<\/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\/how-are-pcb-silk-screens-made\/#3_Key_Information_Contained_in_PCB_Silkscreen\" >3. PCB-silkkipainatuksessa olevat t\u00e4rke\u00e4t tiedot<\/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\/fi\/blog\/how-are-pcb-silk-screens-made\/#31_Essential_Markings\" >3.1 Pakolliset merkinn\u00e4t<\/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\/blog\/how-are-pcb-silk-screens-made\/#32_Informational_Markings\" >3.2 Tiedotustarrat<\/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\/how-are-pcb-silk-screens-made\/#4_PCB_Silkscreen_Production_Process_Flow\" >4. PCB-silkkipainon tuotantoprosessin kulku<\/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\/how-are-pcb-silk-screens-made\/#41_Design_Stage\" >4.1 Suunnitteluvaihe<\/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\/blog\/how-are-pcb-silk-screens-made\/#42_Comparison_of_Three_Main_Production_Processes\" >4.2 Kolmen p\u00e4\u00e4asiallisen tuotantoprosessin vertailu<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#421_Traditional_Screen_Printing\" >4.2.1 Perinteinen silkkipaino<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#422_Liquid_Photo_Imaging_LPI\" >4.2.2 Nestem\u00e4inen valokuvaus (LPI)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#423_Direct_Legend_Printing_DLP\" >4.2.3 Suora tekstin tulostus (DLP)<\/a><\/li><\/ul><\/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\/how-are-pcb-silk-screens-made\/#5_Detailed_PCB_Silkscreen_Design_Specifications\" >5. Yksityiskohtaiset PCB-silkkipainosuunnittelun tekniset tiedot<\/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\/how-are-pcb-silk-screens-made\/#51_Layout_Design_Principles\" >5.1 Layout-suunnittelun periaatteet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#52_Silkscreen_Handling_for_Special_Components\" >5.2 Silkkipainatuksen k\u00e4sittely erityiskomponenteille<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#53_Design_for_Manufacturability_DFM_Considerations\" >5.3 Valmistettavuuden suunnittelu (DFM) -n\u00e4k\u00f6kohdat<\/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\/fi\/blog\/how-are-pcb-silk-screens-made\/#6_Quality_Control_and_Common_Issue_Resolution\" >6. Laadunvalvonta ja yleisten ongelmien ratkaiseminen<\/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\/fi\/blog\/how-are-pcb-silk-screens-made\/#61_Silkscreen_Quality_Inspection_Standards\" >6.1 Silkkipainon laadun tarkastusstandardit<\/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\/fi\/blog\/how-are-pcb-silk-screens-made\/#62_Common_Problems_and_Solutions\" >6.2 Yleisi\u00e4 ongelmia ja ratkaisuja<\/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\/how-are-pcb-silk-screens-made\/#7_Trends_in_Advanced_Silkscreen_Technology\" >7. Kehittyneen silkkipainoteknologian trendit<\/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\/how-are-pcb-silk-screens-made\/#71_Digital_Silkscreen_Technology\" >7.1 Digitaalinen silkkipainotekniikka<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fi\/blog\/how-are-pcb-silk-screens-made\/#72_Application_of_Eco-Friendly_Materials\" >7.2 Ymp\u00e4rist\u00f6yst\u00e4v\u00e4llisten materiaalien k\u00e4ytt\u00f6<\/a><\/li><\/ul><\/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\/fi\/blog\/how-are-pcb-silk-screens-made\/#8_Practical_Design_Recommendations\" >8. K\u00e4yt\u00e4nn\u00f6n suunnittelusuositukset<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_PCB_Silkscreen\"><\/span>1. Mik\u00e4 on PCB-silkkipainatus?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>PCB-silkkipainatus on piirilevyn teksti\u00e4 ja symbolimerkint\u00f6j\u00e4 sis\u00e4lt\u00e4v\u00e4 kerros, joka on painettu silkkipainotekniikalla epoksihartsiv\u00e4rill\u00e4 piirilevyn pinnalle. N\u00e4m\u00e4 merkinn\u00e4t sis\u00e4lt\u00e4v\u00e4t t\u00e4rkeit\u00e4 tietoja, kuten komponenttien tunnisteet, napaisuusmerkit ja versiotiedot, jotka tarjoavat olennaisia viitteit\u00e4 <a href=\"https:\/\/www.topfastpcb.com\/fi\/products\/category\/pcba\/\">PCB-kokoonpano<\/a>, testaus ja korjaus.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Core_Value_of_PCB_Silkscreen\"><\/span>2. PCB-silkkipainatuksen ydinarvo<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li><strong>Parantaa kokoonpanon tehokkuutta<\/strong>: Selke\u00e4t komponenttien tunnisteet ja napaisuusmerkinn\u00e4t v\u00e4hent\u00e4v\u00e4t juotosvirheit\u00e4.<\/li>\n\n<li><strong>Helpottaa vianetsint\u00e4\u00e4 ja korjausta<\/strong>: Selke\u00e4t tunnisteet nopeuttavat vianm\u00e4\u00e4ritysprosessia.<\/li>\n\n<li><strong>Parantaa tuotteiden j\u00e4ljitett\u00e4vyytt\u00e4<\/strong>: Versiotunnukset, p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4merkinn\u00e4t ja muut tiedot parantavat laadunhallintaj\u00e4rjestelm\u00e4\u00e4.<\/li>\n\n<li><strong>Br\u00e4ndin imagon esittely<\/strong>: Yrityksen logot ja sertifiointimerkit lis\u00e4\u00e4v\u00e4t tuotteen ammattimaisuutta.<\/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\/09\/PCB-Silk-Screen-Printing-1.jpg\" alt=\"PCB-silkkipainatus\" class=\"wp-image-4403\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Key_Information_Contained_in_PCB_Silkscreen\"><\/span>3. PCB-silkkipainatuksessa olevat t\u00e4rke\u00e4t tiedot<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_Essential_Markings\"><\/span>3.1 Pakolliset merkinn\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Komponenttien viitemerkinn\u00e4t<\/strong>: Kuten R1, C5, U3 jne.<\/li>\n\n<li><strong>Polariteettimerkinn\u00e4t<\/strong>: Anodi-\/katodimerkit komponentteja kuten diodeja ja elektrolyyttikondensaattoreita varten.<\/li>\n\n<li><strong>Nasta 1 Merkki<\/strong>: Ilmaisee integroitujen piirien l\u00e4ht\u00f6pinnin.<\/li>\n\n<li><strong>Komponenttien yleiskuvaus<\/strong>: Monimutkaisten komponenttien rajaava laatikko<\/li>\n\n<li><strong>Testipisteiden tunnisteet<\/strong>: Merkitse avainsignaalin testauspaikat.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Informational_Markings\"><\/span>3.2 Tiedotustarrat<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Yrityksen logo ja tekij\u00e4noikeustiedot<\/strong><\/li>\n\n<li><strong>PCB-versionumero ja p\u00e4iv\u00e4m\u00e4\u00e4r\u00e4merkki<\/strong><\/li>\n\n<li><strong>Valmistajan tiedot ja sarjanumero<\/strong><\/li>\n\n<li><strong>Turvallisuussertifiointimerkit<\/strong> (UL, CE, RoHS jne.)<\/li>\n\n<li><strong>Varoitusmerkit ja erityiset k\u00e4ytt\u00f6ohjeet<\/strong><\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_PCB_Silkscreen_Production_Process_Flow\"><\/span>4. PCB-silkkipainon tuotantoprosessin kulku<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"41_Design_Stage\"><\/span>4.1 Suunnitteluvaihe<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>EDA-ty\u00f6kalun asetusten tekniset tiedot<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Aseta silkkipainokerros erikseen yl\u00e4-\/alareunan silkkipainokerrokseksi.<\/li>\n\n<li>Fontin valinta: K\u00e4yt\u00e4 tavallisia sans-serif-fontteja.<\/li>\n\n<li>Vakiokoot: Korkeus 25\u201335 mil, viivan leveys 5 mil.<\/li>\n\n<li>V\u00e4rikokoonpano: Valkoinen on ensisijainen v\u00e4ri; keltainen, musta tai punainen erityistarpeisiin.<\/li><\/ul><p><strong>Suunnittelun avainkohdat<\/strong>:<\/p><ul class=\"wp-block-list\"><li>V\u00e4lt\u00e4 silkkipainatuksen p\u00e4\u00e4llekk\u00e4isyytt\u00e4 tyynyjen tai l\u00e4pivientien kanssa.<\/li>\n\n<li>S\u00e4ilyt\u00e4 yhten\u00e4inen merkkien suunta (vasemmalta oikealle, alhaalta yl\u00f6s).<\/li>\n\n<li>K\u00e4yt\u00e4 apuviivoja merkint\u00f6ihin tihe\u00e4sti asutuilla alueilla.<\/li>\n\n<li>Varmista, ett\u00e4 komponenttien napaisuusmerkinn\u00e4t ovat selke\u00e4t ja n\u00e4kyv\u00e4t.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"42_Comparison_of_Three_Main_Production_Processes\"><\/span>4.2 Kolmen p\u00e4\u00e4asiallisen tuotantoprosessin vertailu<span class=\"ez-toc-section-end\"><\/span><\/h3><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"421_Traditional_Screen_Printing\"><\/span>4.2.1 Perinteinen silkkipaino<span class=\"ez-toc-section-end\"><\/span><\/h4><p><strong>Prosessin kulku<\/strong>:<br>Kehyksen valmistelu \u2192 Verkon venytt\u00e4minen \u2192 Valoherk\u00e4n emulsion levitys \u2192 Valotus \u2192 Kehitys \u2192 Tulostus \u2192 Kovettaminen<\/p><p><strong>Edut<\/strong>: Edullinen, tehokas, sopii suurten tuotantom\u00e4\u00e4rien valmistukseen.<br><strong>Rajoitukset<\/strong>: Rajoitettu tarkkuus (minimi viivan leveys &gt; 0,15 mm), ei sovellu tihe\u00e4sti asennetuille levyille.<\/p><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"422_Liquid_Photo_Imaging_LPI\"><\/span>4.2.2 Nestem\u00e4inen valokuvaus (LPI)<span class=\"ez-toc-section-end\"><\/span><\/h4><p><strong>Prosessin kulku<\/strong>:<br>Pinnoitusnestem\u00e4inen valoherkk\u00e4 juotosmaski \u2192 UV-valotus \u2192 Kehitys \u2192 Kovettuminen<\/p><p><strong>Edut<\/strong>: Korkea resoluutio (jopa 0,1 mm), hyv\u00e4 tasaisuus.<br><strong>Sovellukset<\/strong>: PCB-levyt, joille asetetaan keskitason tarkkuusvaatimukset.<\/p><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"423_Direct_Legend_Printing_DLP\"><\/span>4.2.3 Suora tekstin tulostus (DLP)<span class=\"ez-toc-section-end\"><\/span><\/h4><p><strong>Prosessin kulku<\/strong>:<br>Suora siirto CAD-tiedoista \u2192 Mustesuihkutulostus \u2192 UV-kovetus<\/p><p><strong>Edut<\/strong>: Korkein tarkkuus (jopa 0,05 mm), digitaalinen ty\u00f6nkulku, sopii prototyypeille ja pienille erille.<br><strong>Rajoitukset<\/strong>: Korkeammat kustannukset, tiukat vaatimukset pinnan viimeistelylle.<\/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\/09\/PCB-Silk-Screen-Printing-2.jpg\" alt=\"PCB-silkkipainatus\" class=\"wp-image-4404\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-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_Detailed_PCB_Silkscreen_Design_Specifications\"><\/span>5. Yksityiskohtaiset PCB-silkkipainosuunnittelun tekniset tiedot<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"51_Layout_Design_Principles\"><\/span>5.1 Layout-suunnittelun periaatteet<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>Johdonmukaisuusperiaate<\/strong>: S\u00e4ilyt\u00e4 yhten\u00e4inen merkkien suuntaus samalla puolella.<\/li>\n\n<li><strong>Selvitysperiaate<\/strong>: Pid\u00e4 silkkipainatus v\u00e4hint\u00e4\u00e4n 3 milin p\u00e4\u00e4ss\u00e4 tyynyist\u00e4 ja l\u00e4pivienneist\u00e4.<\/li>\n\n<li><strong>Selkeysperiaate<\/strong>: Varmista, ett\u00e4 merkkien ja taustan v\u00e4linen kontrasti on riitt\u00e4v\u00e4.<\/li>\n\n<li><strong>Yhdist\u00e4misperiaate<\/strong>: Sijoita tunnisteet sopivaan et\u00e4isyyteen vastaavista komponenteista.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"52_Silkscreen_Handling_for_Special_Components\"><\/span>5.2 Silkkipainatuksen k\u00e4sittely erityiskomponenteille<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>BGA\/QFN-komponentit<\/strong>: Silkkipainokoon on vastattava tarkasti sirun todellista kokoa.<br><strong>Liittimet<\/strong>: Merkitse PIN-koodit ja liit\u00e4nn\u00e4n suunta selv\u00e4sti.<br><strong>Polarisoidut komponentit<\/strong>: K\u00e4yt\u00e4 \u201d+\/-\u201d -symboleja tai katodikaistan osoittimia.<br><strong>Korkeaj\u00e4nnitealueet<\/strong>: Lis\u00e4\u00e4 varoitussymbolit ja turvallisen et\u00e4isyyden merkinn\u00e4t.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"53_Design_for_Manufacturability_DFM_Considerations\"><\/span>5.3 Valmistettavuuden suunnittelu (DFM) -n\u00e4k\u00f6kohdat<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Fontin valinta<\/strong>: V\u00e4lt\u00e4 liian monimutkaisia fontteja.<\/li>\n\n<li><strong>Koon s\u00e4\u00e4t\u00f6<\/strong>: Merkkien v\u00e4himm\u00e4iskorkeus ei saa olla alle 20 mil.<\/li>\n\n<li><strong>Sijainnin optimointi<\/strong>: V\u00e4lt\u00e4 sijoittamista kaareville tai ep\u00e4tasaisille pinnoille.<\/li>\n\n<li><strong>Prosessin yhteensopivuus<\/strong>: Harkitse eri silkkipainoprosessien ominaisuuksia.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Quality_Control_and_Common_Issue_Resolution\"><\/span>6. Laadunvalvonta ja yleisten ongelmien ratkaiseminen<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"61_Silkscreen_Quality_Inspection_Standards\"><\/span>6.1 Silkkipainon laadun tarkastusstandardit<span class=\"ez-toc-section-end\"><\/span><\/h3><ol class=\"wp-block-list\"><li><strong>T\u00e4ydellisyys<\/strong>: Kaikki tarvittavat merkinn\u00e4t on tehty ilman puutteita.<\/li>\n\n<li><strong>Selkeys<\/strong>: Merkkien reunat ovat ter\u00e4v\u00e4t, ilman purseita.<\/li>\n\n<li><strong>Adheesio<\/strong>: L\u00e4p\u00e4isee poikkileikkauskokeen, ei kuoriudu.<\/li>\n\n<li><strong>Rekister\u00f6innin tarkkuus<\/strong>: Poikkeama tyynyn sijainnista on &lt; 0,1 mm.<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"62_Common_Problems_and_Solutions\"><\/span>6.2 Yleisi\u00e4 ongelmia ja ratkaisuja<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Ep\u00e4selv\u00e4t merkit<\/strong>: S\u00e4\u00e4d\u00e4 musteen viskositeettia tai valotusparametrej\u00e4.<br><strong>Sijainti Poikkeama<\/strong>: Optimoi n\u00e4yt\u00f6n kohdistusprosessi.<br><strong>Huono tarttuvuus<\/strong>: Paranna substraatin esipuhdistusta.<br><strong>Riitt\u00e4m\u00e4t\u00f6n resoluutio<\/strong>: Valitse sopivampi tuotantoprosessi.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Trends_in_Advanced_Silkscreen_Technology\"><\/span>7. Kehittyneen silkkipainoteknologian trendit<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"71_Digital_Silkscreen_Technology\"><\/span>7.1 Digitaalinen silkkipainotekniikka<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>3D-silkkipainatus<\/strong>: Soveltuu ep\u00e4s\u00e4\u00e4nn\u00f6llisten pintojen tulostukseen.<\/li>\n\n<li><strong>\u00c4lyk\u00e4s v\u00e4rinhallinta<\/strong>: Mahdollistaa tarkkaan hallittavan moniv\u00e4risen silkkipainatuksen.<\/li>\n\n<li><strong>Muuttuvien tietojen tulostus<\/strong>: T\u00e4ytt\u00e4\u00e4 yksil\u00f6lliset r\u00e4\u00e4t\u00e4l\u00f6intitarpeet.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"72_Application_of_Eco-Friendly_Materials\"><\/span>7.2 Ymp\u00e4rist\u00f6yst\u00e4v\u00e4llisten materiaalien k\u00e4ytt\u00f6<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Vesipohjaiset musteet<\/strong>: V\u00e4henn\u00e4 VOC-p\u00e4\u00e4st\u00f6j\u00e4.<\/li>\n\n<li><strong>UV-kovettumistekniikka<\/strong>: V\u00e4hent\u00e4\u00e4 energiankulutusta.<\/li>\n\n<li><strong>Biohajoavat materiaalit<\/strong>: Noudata vihre\u00e4n tuotannon vaatimuksia.<\/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\/09\/PCB-Silk-Screen-Printing-3.jpg\" alt=\"PCB-silkkipainatus\" class=\"wp-image-4405\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/09\/PCB-Silk-Screen-Printing-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Practical_Design_Recommendations\"><\/span>8. K\u00e4yt\u00e4nn\u00f6n suunnittelusuositukset<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>Varhainen osallistuminen<\/strong>: Harkitse silkkipainosuunnittelua piirilevyn asetteluvaiheessa.<\/li>\n\n<li><strong>Prosessikonsultointi<\/strong>: Varmista valmistajalta prosessin ominaisuudet ja rajoitukset.<\/li>\n\n<li><strong>Prototyypin varmentaminen<\/strong>: Ensimm\u00e4isiss\u00e4 artikkeleissa on vahvistettava silkkipainon tehokkuus.<\/li>\n\n<li><strong>Dokumentointistandardit<\/strong>: Toimita t\u00e4ydelliset Gerber-tiedostot silkkipainokerrokselle.<\/li>\n\n<li><strong>Versionhallinta<\/strong>: Varmista, ett\u00e4 silkkipainotiedot vastaavat BOM-luetteloa.<\/li><\/ol><p>Noudattamalla edell\u00e4 mainittuja spesifikaatioita ja prosessivaatimuksia voit varmistaa, ett\u00e4 piirilevyn silkkipainatus tarjoaa tarvittavat tiedot vaikuttamatta piirilevyn suorituskykyyn ja luotettavuuteen, mik\u00e4 tukee tehokkaasti my\u00f6hempi\u00e4 kokoonpano-, testaus- ja huoltot\u00f6it\u00e4.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>PCB-silkkipainatusprosessit ja suunnitteluvaatimukset T\u00e4m\u00e4 asiakirja k\u00e4sittelee silkkipainatuksen peruskonsepteja, mukaan lukien tietosis\u00e4lt\u00f6, valmistusprosessit, suunnitteluvaatimukset, laadunvalvonta ja tulevaisuuden kehityssuuntaukset. Se tarjoaa konkreettisia suunnitteluohjeita ja ratkaisuja yleisiin ongelmiin ja toimii k\u00e4yt\u00e4nn\u00f6n teknisen\u00e4 viitteen\u00e4 PCB-suunnittelijoille ja -valmistajille.<\/p>","protected":false},"author":1,"featured_media":4406,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[374],"class_list":["post-4402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pcb-silk-screens"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How are PCB silk screens made? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Analyzing the Complete PCB Silk Screen Production Process, including design specifications, a comparison of three manufacturing processes (screen printing\/LPI\/DLP), key quality control points, and the latest development trends. 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