{"id":4890,"date":"2026-05-07T08:59:46","date_gmt":"2026-05-07T08:59:46","guid":{"rendered":"https:\/\/flj-pcb.com\/?p=4890"},"modified":"2026-05-07T08:59:49","modified_gmt":"2026-05-07T08:59:49","slug":"silk-screen-pcb-best-fonts-sizes-line-widths","status":"publish","type":"post","link":"https:\/\/flj-pcb.com\/fi\/silk-screen-pcb-best-fonts-sizes-line-widths\/","title":{"rendered":"Silkkipaino PCB: Parhaat fontit, koot ja viivanleveydet"},"content":{"rendered":"<p>Yksinkertaisesti sanottuna silkkipaino on levylle painettu ei-johtava legenda, jolla tunnistetaan komponentit, nasta 1, napaisuus, liittimet, hypp\u00e4\u00e4j\u00e4t, testipisteet, varoitukset, logot, tarkistuskoodit. Kaikki ihmisen kannalta t\u00e4rke\u00e4t tiedot.<\/p>\n\n\n\n<p>Se on yleens\u00e4 epoksimuste, joka ei johda (tavallisia v\u00e4rej\u00e4 ovat valkoinen, musta ja keltainen). Se istuu juotosmaskin p\u00e4\u00e4lle. Se auttaa kokoonpanoteknikkoja sijoittamaan osat oikein, auttaa testausinsin\u00f6\u00f6rej\u00e4 l\u00f6yt\u00e4m\u00e4\u00e4n kohdat nopeasti ja auttaa sinua puoli vuotta my\u00f6hemmin, kun unohdat, mit\u00e4 \u201cJ3:n\u201d piti tehd\u00e4.<\/p>\n\n\n\n<p>Mutta t\u00e4ss\u00e4 on juju.<\/p>\n\n\n\n<p>Silkkipaino on helppo suunnitella huonosti. Pient\u00e4 teksti\u00e4, hiusviivoja, tyynyjen p\u00e4\u00e4ll\u00e4 istuvaa tavaraa, legendoja, jotka katoavat osien alta. Ja sitten valmistus tekee, mit\u00e4 valmistus tekee. Pieni siirtym\u00e4, pieni musteen levi\u00e4minen, ep\u00e4tasainen pintak\u00e4sittely, ja t\u00e4ydelliset etiketit muuttuvat m\u00f6ss\u00f6ksi.<\/p>\n\n\n\n<p>T\u00e4ss\u00e4 oppaassa on siis kyse k\u00e4yt\u00e4nn\u00f6n silkkipainos\u00e4\u00e4nn\u00f6ist\u00e4, jotka selvi\u00e4v\u00e4t todellisesta piirilevytuotannosta.<\/p>\n\n\n\n<p>Puhumme kirjasimista, koosta, rivin leveydest\u00e4, v\u00e4leist\u00e4 ja sijoittelusta. Puhumme my\u00f6s hieman tulostusmenetelmist\u00e4, kuten LPI:st\u00e4 ja DLP:st\u00e4, koska se vaikuttaa siihen, kuinka aggressiiviseksi voit tulla.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-0-what-silkscreen-is-and-what-it-is-not\">Mit\u00e4 silkkipaino on ja mit\u00e4 se ei ole?<\/h2>\n\n\n\n<p>Silkkipaino on merkint\u00e4kerros. Se ei ole juotosmaskin korvike.<\/p>\n\n\n\n<p>Juotosmaski est\u00e4\u00e4 juotosillat ja suojaa kuparia. Silkkipainov\u00e4rin tarkoitus on kommunikoida. Jos yrit\u00e4t \u201ckorjata\u201d juotosriskin silkkipeitteell\u00e4, se ei p\u00e4\u00e4ty hyvin. Muste voi palaa, tahriintua tai yksinkertaisesti poistua, jos se on ristiriidassa tyynyjen kanssa.<\/p>\n\n\n\n<p>Tyypillisi\u00e4 silkkipainatuksen sis\u00e4lt\u00f6j\u00e4 ovat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viitenumerot (R1, C12, U3)<\/li>\n\n\n\n<li>Komponenttien \u00e4\u00e4riviivat ja suuntausmerkit<\/li>\n\n\n\n<li>Elektrolyyttien, diodien ja LEDien napaisuus<\/li>\n\n\n\n<li>Nastan 1 ilmaisimet IC-piirej\u00e4 varten<\/li>\n\n\n\n<li>Liittimien tarrat<\/li>\n\n\n\n<li>Testipisteet (TP1, TP2)<\/li>\n\n\n\n<li>Varoitukset ja suurj\u00e4nnitesymbolit<\/li>\n\n\n\n<li>Logot, QR-koodit, tarkistusteksti<\/li>\n<\/ul>\n\n\n\n<p>Musteet ovat yleens\u00e4 epoksipohjaisia tai UV-kovetteisia. Epoksilla on yleens\u00e4 vahva tarttuvuus ja se kest\u00e4\u00e4 hyvin juotosl\u00e4mp\u00f6\u00e4. UV-kovettuvat musteet kuivuvat nopeasti, ja ne ovat hyvi\u00e4 suurille sarjoille.<\/p>\n\n\n\n<p>My\u00f6s alustalla ja pintak\u00e4sittelyll\u00e4 on merkityst\u00e4. FR4 on tavanomainen ja tulostuu hienosti. Rogers-materiaalit vaativat joskus erityisi\u00e4 musteiden koostumuksia. Taipuisat piirilevyt ovat hankalampia, koska pinta liikkuu ja musteen on my\u00f6s joustettava. HASL:n kaltaiset pintak\u00e4sittelyt voivat aiheuttaa ep\u00e4tasaista pinnanmuodostusta, mik\u00e4 vaikeuttaa hienoa silkkipainantaa, kun taas ENIG on tasaisempi ja yst\u00e4v\u00e4llisempi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-1-the-two-big-printing-methods-and-why-you-should-care\">Kaksi suurta tulostusmenetelm\u00e4\u00e4 (ja miksi sinun pit\u00e4isi v\u00e4litt\u00e4\u00e4)<\/h2>\n\n\n\n<p>Useimmat silkkipainolegendat, joihin t\u00f6rm\u00e4\u00e4t, on tehty t\u00e4llaisella:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-2-liquid-photo-imaging-lpi\">Nestem\u00e4inen valokuvantaminen (LPI)<\/h3>\n\n\n\n<p>LPI k\u00e4ytt\u00e4\u00e4 valoherkk\u00e4\u00e4 mustetta ja valotusprosessia. Se on yleinen sarjatuotannossa ja yleens\u00e4 kest\u00e4v\u00e4. Se pystyy s\u00e4ilytt\u00e4m\u00e4\u00e4n kunnon yksityiskohdat, mutta kuten kaikissa prosesseissa, my\u00f6s t\u00e4ss\u00e4 sovelletaan edelleen v\u00e4himm\u00e4isviivoja ja -teksti\u00e4 koskevia s\u00e4\u00e4nt\u00f6j\u00e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-3-direct-legend-printing-dlp\">Suora selostetulostus (DLP)<\/h3>\n\n\n\n<p>DLP on k\u00e4yt\u00e4nn\u00f6ss\u00e4 suoraa tulostusta, usein mustesuihkutekniikalla, suoraan piirilevylle. Se ohittaa kalvot ja kehitysvaiheet, voi olla nopeampaa ja sill\u00e4 voidaan tehd\u00e4 yksityiskohtaisia merkint\u00f6j\u00e4. Sit\u00e4 kuvataan usein my\u00f6s hieman v\u00e4hemm\u00e4n kest\u00e4v\u00e4ksi kuin LPI:t\u00e4, riippuen mustej\u00e4rjestelm\u00e4st\u00e4 ja kovettumisesta.<\/p>\n\n\n\n<p>K\u00e4yt\u00e4nn\u00f6n hy\u00f6ty suunnittelijoille on yksinkertainen.<\/p>\n\n\n\n<p>Vaikka myyj\u00e4 voi tulostaa eritt\u00e4in hienoja piirteit\u00e4, sinun <em>tuotto<\/em> putoaa, kun ty\u00f6nn\u00e4t silkkipainon reunaan. Ja luettavuus laskee viel\u00e4 aikaisemmin. Tavoitteenamme on siis \u201ctulostaa luotettavasti\u201d eik\u00e4 \u201ctulostaa laboratoriodemossa\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-4-best-font-style-for-pcb-silkscreen\">Paras kirjasintyyli PCB silkkipainatukselle<\/h2>\n\n\n\n<p>Haluat fontin, joka pysyy luettavana, kun:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>viiva paksuuntuu hieman musteen levitt\u00e4misest\u00e4<\/li>\n\n\n\n<li>tuloste poikkeaa hieman rekister\u00f6intitoleranssista.<\/li>\n\n\n\n<li>levy\u00e4 tarkastellaan vinossa p\u00f6yt\u00e4valaistuksessa.<\/li>\n\n\n\n<li>vuotoj\u00e4\u00e4mi\u00e4 ja p\u00f6ly\u00e4 on (koska niit\u00e4 on aina).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-5-use-simple-standard-sans-serif-fonts\">K\u00e4yt\u00e4 yksinkertaisia, tavallisia, serifitt\u00f6mi\u00e4 fontteja.<\/h3>\n\n\n\n<p>K\u00e4yt\u00e4nn\u00f6n valinnat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Yksiviivaiset \/ vektorimuotoiset fontit (usein CAD-ty\u00f6kalut k\u00e4ytt\u00e4v\u00e4t niit\u00e4 oletusarvoisesti).<\/li>\n\n\n\n<li>Yksinkertaiset serifitt\u00f6m\u00e4t fontit, jotka muistuttavat Arial, Helvetica, DIN-tyyli\u00e4<\/li>\n\n\n\n<li>Sis\u00e4\u00e4nrakennetut PCB CAD \u201cDefault\u201d tai \u201cProportional\u201d fontit, jos niiden tiedet\u00e4\u00e4n piirt\u00e4v\u00e4n puhtaasti.<\/li>\n<\/ul>\n\n\n\n<p>Miksei hienoja fontteja?<\/p>\n\n\n\n<p>Koska serifit ja ohuiden ja paksujen viivojen kontrastit muuttuvat nopeasti rumiksi silkkipainossa. Kiharat t\u00e4ytt\u00e4v\u00e4t. Pienet aukot sulkeutuvat. R ja P alkavat n\u00e4ytt\u00e4\u00e4 samalta kirjaimelta. Se ei ole designjuliste, vaan tehtaan esineen k\u00e4ytt\u00f6ohje.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen.webp\" alt=\"Best font style for PCB silkscreen\" class=\"wp-image-4891\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen.webp 900w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-300x200.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-768x512.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/Best-font-style-for-PCB-silkscreen-18x12.webp 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-6-avoid-these-font-behaviors\">V\u00e4lt\u00e4 n\u00e4it\u00e4 fontin k\u00e4ytt\u00f6tapoja<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eritt\u00e4in ohuet vedot<\/li>\n\n\n\n<li>Korkean kontrastin piirteet (paksut pystysuorat, ohuet vaakasuorat).<\/li>\n\n\n\n<li>Koristeelliset elementit<\/li>\n\n\n\n<li>Kursivointi pieness\u00e4 koossa<\/li>\n\n\n\n<li>Isot alkukirjaimet pieness\u00e4 tekstiss\u00e4 (isot alkukirjaimet v\u00e4hent\u00e4v\u00e4t muodon vaihtelua, ironista kyll\u00e4, vaikeampi lukea pienen\u00e4).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-7-one-more-boring-but-important-point\">Viel\u00e4 yksi tyls\u00e4 mutta t\u00e4rke\u00e4 seikka<\/h3>\n\n\n\n<p>Pid\u00e4 se johdonmukaisena. Sama kirjasintyyli koko taululla. Jos tyylit sekoittuvat, se n\u00e4ytt\u00e4\u00e4 sekavalta ja vaikeuttaa skannausta kokoonpanon aikana.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-8-best-text-size-for-pcb-silkscreen-what-actually-works\">Paras tekstikoko PCB-silkkipainatukselle (mik\u00e4 todella toimii)<\/h2>\n\n\n\n<p>Monet ihmiset mainitsevat \u201c1,0 mm:n v\u00e4himm\u00e4istekstin\u201d. Se on hyv\u00e4 nyrkkis\u00e4\u00e4nt\u00f6, mutta meid\u00e4n on purettava se. Tekstin koko ei merkitse juuri mit\u00e4\u00e4n ilman viivan leveytt\u00e4.<\/p>\n\n\n\n<p>PCB-silkkipainossa t\u00e4rkeint\u00e4 on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>merkin korkeus<\/li>\n\n\n\n<li>aivohalkaisijan leveys<\/li>\n\n\n\n<li>iskujen v\u00e4li<\/li>\n\n\n\n<li>ja siit\u00e4, leikataanko teksti juotospeitteen aukkojen, tyynyjen tai piha-alueiden suojien vuoksi.<\/li>\n<\/ul>\n\n\n\n<p>Seuraavassa on k\u00e4yt\u00e4nn\u00f6nl\u00e4heisi\u00e4, tuotantoturvallisia suosituksia, jotka yleens\u00e4 kest\u00e4v\u00e4t yleiset valmistustoleranssit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-9-recommended-silkscreen-text-sizes-general\">Suositeltavat silkkipainotekstikoot (yleisesti)<\/h3>\n\n\n\n<p>Viitteellisi\u00e4 tunnuksia ja tarroja varten, jotka haluat ihmisten lukevan ilman mikroskooppia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Merkin korkeus:<\/strong> 1,0 mm - 1,5 mm mieluiten<\/li>\n\n\n\n<li><strong>Merkkien v\u00e4himm\u00e4iskorkeus:<\/strong> 0,8 mm (vain, jos on todella pakko)<\/li>\n\n\n\n<li><strong>Iskun leveys:<\/strong> 0,15 mm - 0,20 mm suositeltavin vaihtoehto<\/li>\n\n\n\n<li><strong>V\u00e4himm\u00e4isviivan leveys:<\/strong> 0,12 mm (j\u00e4lleen, vain jos on pakko).<\/li>\n<\/ul>\n\n\n\n<p>Jos merkitset tiheit\u00e4 alueita ja hyv\u00e4ksyt, ett\u00e4 se saattaa olla \u201ckokoonpano luettavissa suurennoksella\u201d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Merkin korkeus:<\/strong> 0,8 mm - 1,0 mm<\/li>\n\n\n\n<li><strong>Iskun leveys:<\/strong> 0,12 mm - 0,15 mm<\/li>\n<\/ul>\n\n\n\n<p>Jos tarvitset teksti\u00e4, joka on \u201cn\u00e4ht\u00e4viss\u00e4 ty\u00f6p\u00f6yd\u00e4n toiselta puolelta\u201d (liittimien nimet, napaisuusvaroitukset):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Merkin korkeus:<\/strong> 1,5 mm-2,5 mm<\/li>\n\n\n\n<li><strong>Iskun leveys:<\/strong> 0,18 mm - 0,25 mm<\/li>\n<\/ul>\n\n\n\n<p>N\u00e4m\u00e4 vaihteluv\u00e4lit eiv\u00e4t ole maagisia lakeja. Ne ovat \u201cet todenn\u00e4k\u00f6isesti kadu t\u00e4t\u00e4 my\u00f6hemmin\u201d -arvoja.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-10-spacing-inside-letters-matters\">Kirjainv\u00e4lill\u00e4 on merkityst\u00e4<\/h3>\n\n\n\n<p>Esimerkiksi reik\u00e4 O- tai P-kirjaimen sis\u00e4ll\u00e4. Jos se on liian pieni, se t\u00e4yttyy, ja syntyy tahroja. Vaikka viivan leveys olisi teknisesti tulostettavissa, fontin geometria ei v\u00e4ltt\u00e4m\u00e4tt\u00e4 ole.<\/p>\n\n\n\n<p>Siksi yksinkertaiset fontit voittavat. Ne pit\u00e4v\u00e4t laskurit auki.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-11-best-line-width-for-silkscreen-outlines-and-symbols\">Paras viivanleveys silkkipainokuvioille ja symboleille<\/h2>\n\n\n\n<p>Silkkipaino ei ole vain teksti\u00e4. Se on \u00e4\u00e4riviivoja, pin 1 -pisteit\u00e4, napaisuuden plus-merkkej\u00e4, nuolia, kolmiomerkkej\u00e4, testipisteiden ympyr\u00f6it\u00e4.<\/p>\n\n\n\n<p>Suositellut viivanleveydet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Yleiset p\u00e4\u00e4piirteet ja symbolit:<\/strong> 0,15 mm - 0,20 mm<\/li>\n\n\n\n<li><strong>V\u00e4himm\u00e4ism\u00e4\u00e4r\u00e4 (jos tehtaasi sallii sen):<\/strong> 0,12 mm<\/li>\n\n\n\n<li><strong>Rohkeammat varoitukset tai polariteettimerkinn\u00e4t:<\/strong> 0,20 mm - 0,30 mm<\/li>\n<\/ul>\n\n\n\n<p>Jos k\u00e4yt\u00e4t liian ohutta, viivat katkeavat tai haalistuvat. Liian paksut viivat menett\u00e4v\u00e4t tarkkuutta ja saattavat t\u00f6rm\u00e4t\u00e4 muihin piirteisiin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-12-filled-shapes-vs-outlines\">T\u00e4ytetyt muodot vs \u00e4\u00e4riviivat<\/h3>\n\n\n\n<p>T\u00e4ytetyt muodot (yhten\u00e4iset kolmiot, yhten\u00e4iset ympyr\u00e4t) ovat tulostettaessa anteeksiantavampia. Jos tarvitset aina n\u00e4kyv\u00e4n nastan 1 osoittimen, t\u00e4ytetty piste on usein parempi kuin pieni ympyr\u00e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-13-clearance-rules-where-silkscreen-should-not-go\">Tyhjennyss\u00e4\u00e4nn\u00f6t: mihin silkkipainatusta EI saa laittaa<\/h2>\n\n\n\n<p>Useimmat tehtaat leikkaavat automaattisesti silkkipainatuksen, joka on p\u00e4\u00e4llekk\u00e4in juotosmaskin aukkojen, tyynyjen ja altistuneen kuparin kanssa. Se on hyv\u00e4. Mutta se tarkoittaa my\u00f6s sit\u00e4, ett\u00e4 tekstisi saattaa muuttua h\u00f6lynp\u00f6lyksi.<\/p>\n\n\n\n<p>Suunnittelussa kannattaa siis ottaa huomioon v\u00e4lys, eik\u00e4 luottaa automaattiseen rajaukseen.<\/p>\n\n\n\n<p>K\u00e4yt\u00e4nn\u00f6lliset et\u00e4isyydet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Silkkipaino juotettaviin tyynyihin:<\/strong> v\u00e4hint\u00e4\u00e4n 0,15 millimetri\u00e4, mieluiten 0,20 millimetri\u00e4.<\/li>\n\n\n\n<li><strong>Silkkipaino aukkojen kautta:<\/strong> v\u00e4hint\u00e4\u00e4n 0,15 mm - 0,20 mm.<\/li>\n\n\n\n<li><strong>Silkkipaino kartongin reunassa:<\/strong> v\u00e4hint\u00e4\u00e4n 0,25 mm (enemm\u00e4n, jos reuna jyrsit\u00e4\u00e4n karkeasti).<\/li>\n\n\n\n<li><strong>Silkkipaino komponentin runkoon:<\/strong> j\u00e4t\u00e4 tilaa, jotta etiketti j\u00e4\u00e4 n\u00e4kyviin kokoamisen j\u00e4lkeen.<\/li>\n<\/ul>\n\n\n\n<p>V\u00e4lt\u00e4 my\u00f6s silkkipainov\u00e4rin sijoittamista tyynyjen v\u00e4listen juotosmaskipatojen yli. Vaikka se tulostuisi, se voi n\u00e4ytt\u00e4\u00e4 tahriintuneelta ja sotkuiselta.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-14-masked-vs-unmasked-vias\">Naamioidut ja naamioimattomat l\u00e4piviennit<\/h3>\n\n\n\n<p>Jos l\u00e4piviennit ovat <a href=\"https:\/\/docs.kicad.org\/9.0\/en\/pcbnew\/pcbnew.html\" rel=\"noreferrer noopener\" target=\"_blank\">telttailtu (peitetty juotosmaskilla)<\/a>, silkkipaino voi ajaa niiden yli turvallisemmin. Jos l\u00e4piviennit ovat avoimia, muste voi levit\u00e4 reikiin tai rikkoutua aukon ymp\u00e4rille. Tiheiss\u00e4 malleissa l\u00e4pivientien telttaaminen silkkipainon alle parantaa usein tulostuslaatua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-15-color-selection-whats-actually-readable\">V\u00e4rivalinta: mik\u00e4 on todella luettavissa<\/h2>\n\n\n\n<p>Vakiov\u00e4rit silkkipainov\u00e4rit: <strong>valkoinen, musta, keltainen<\/strong>. Paras valinta riippuu <a href=\"https:\/\/www.robotroom.com\/Silkscreen-and-Solder-Mask-1.html\" rel=\"noreferrer noopener\" target=\"_blank\">juotosmaskin v\u00e4ri ja katseluymp\u00e4rist\u00f6<\/a>.<\/p>\n\n\n\n<p>Yhteiset parit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vihre\u00e4 juotosmaski:<\/strong> valkoinen silkkipaino on oletusarvo syyst\u00e4.<\/li>\n\n\n\n<li><strong>Musta juotosmaski:<\/strong> valkoinen silkkipaino toimii, keltainen voi my\u00f6s ponnahtaa esiin<\/li>\n\n\n\n<li><strong>Valkoinen juotosmaski:<\/strong> musta silkkipaino on yleens\u00e4 siirto<\/li>\n\n\n\n<li><strong>Punainen\/sininen juotosmaski:<\/strong> valkoinen toimii yleens\u00e4, mutta kontrasti voi vaihdella viimeistelyn mukaan.<\/li>\n<\/ul>\n\n\n\n<p>Yksi asia ihmiset unohtavat. Pintak\u00e4sittely muuttaa heijastuskyky\u00e4. <a href=\"https:\/\/flj-pcb.com\/fi\/pcb-manufacturer\/enig-pcb\/\" data-type=\"page\" data-id=\"2398\">ENIG<\/a> on kiilt\u00e4v\u00e4, <a href=\"https:\/\/flj-pcb.com\/fi\/pcb-manufacturer\/hasl-pcb\/\" data-type=\"page\" data-id=\"2392\">HASL <\/a>voi olla ep\u00e4tasainen ja paikoin heijastava. Kirkkaassa valossa joidenkin legendojen lukeminen vaikeutuu, vaikka kontrasti olisi \u201cteoriassa\u201d hyv\u00e4.<\/p>\n\n\n\n<p>Jos luettavuus on t\u00e4rke\u00e4\u00e4, \u00e4l\u00e4 valitse matalaa kontrastia estetiikan vuoksi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-16-placement-tips-that-save-you-later\">Sijoitusvihjeit\u00e4, jotka s\u00e4\u00e4st\u00e4v\u00e4t sinua my\u00f6hemmin<\/h2>\n\n\n\n<p>Muutamia tapoja, jotka parantavat kokoonpanon nopeutta ja v\u00e4hent\u00e4v\u00e4t virheit\u00e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-17-put-reference-designators-where-they-can-be-seen-after-assembly\">Laita viitetunnukset n\u00e4kyviin kokoonpanon j\u00e4lkeen.<\/h3>\n\n\n\n<p>Kuulostaa ilmeiselt\u00e4. Sit\u00e4 ei aina tehd\u00e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sijoita polttoaineet komponenttien pihan ulkopuolelle, jos mahdollista.<\/li>\n\n\n\n<li>IC-piireiss\u00e4 aseta heijastimet l\u00e4helle nastan 1 sivua, mutta ei piirin alle.<\/li>\n\n\n\n<li>Passiivien osalta aseta heijastimet johdonmukaisesti samansuuntaisiksi, sama lukusuunta kaikkialla.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-18-orientation-and-polarity-marks-should-be-redundant\">Suunta- ja napaisuusmerkkien pit\u00e4isi olla tarpeettomia.<\/h3>\n\n\n\n<p>Diodeille, LEDeille ja elektrolyytille. K\u00e4yt\u00e4 molempia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>polariteettisymboli silkkipainossa<\/li>\n\n\n\n<li>ja selke\u00e4 jalanj\u00e4lkigrafiikka (kuten lovi, palkki, plus-merkki).<\/li>\n\n\n\n<li>ja mieluiten yhten\u00e4inen kirjastostandardi<\/li>\n<\/ul>\n\n\n\n<p>Jos toinen j\u00e4\u00e4 kiinni, toinen j\u00e4\u00e4 usein henkiin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-19-mark-test-points-like-you-mean-it\">Merkitse testipisteet kuin tarkoittaisit sit\u00e4<\/h3>\n\n\n\n<p>Jos lautaa tutkitaan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Merkitse testipisteet merkinn\u00e4ll\u00e4 \u201cTPxx\u201d.\u201d<\/li>\n\n\n\n<li>Jos tila sallii, ilmoita verkon nimi tai j\u00e4nnite (TP5 3V3).<\/li>\n\n\n\n<li>K\u00e4yt\u00e4 ympyr\u00e4\u00e4 tai kohdesymbolia, joka on riitt\u00e4v\u00e4n suuri, jotta se l\u00f6ytyy nopeasti.<\/li>\n<\/ul>\n\n\n\n<p>Pid\u00e4 testipisteiden tarrat poissa alueilta, jotka peittyv\u00e4t suojien, j\u00e4\u00e4hdytyslevyjen tai korkeiden liittimien alle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-20-how-fabrication-realities-mess-with-silkscreen-and-how-you-design-around-it\">Miten valmistusprosessin realiteetit sotkevat silkkipainotekniikkaa (ja miten suunnittelet sen ymp\u00e4rille)?<\/h2>\n\n\n\n<p>Silkkipaino voi ep\u00e4onnistua muutamalla ennalta arvattavalla tavalla.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-21-misalignment-and-registration-shift\">Virheellinen kohdistus ja rekisterin siirtyminen<\/h3>\n\n\n\n<p>Syit\u00e4 ovat muun muassa <a href=\"https:\/\/screenprintingmag.com\/screen-printing-troubleshooting\/\" rel=\"noreferrer noopener\" target=\"_blank\">rekister\u00f6intivirheet<\/a>, levyn v\u00e4\u00e4ntyminen ja prosessin toleranssit. Manuaalisessa silkkipainossa kohdistus riippuu enemm\u00e4n k\u00e4ytt\u00e4j\u00e4st\u00e4. Automaattisilla tulostimilla voidaan saavuttaa mikrometrin tasoinen kohdistus, mutta mik\u00e4\u00e4n ei ole t\u00e4ydellist\u00e4.<\/p>\n\n\n\n<p>Suunnittele sen ymp\u00e4rille:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>teksti\u00e4 ei saa sijoittaa liian l\u00e4helle tyynyj\u00e4<\/li>\n\n\n\n<li>v\u00e4ltet\u00e4\u00e4n pieni\u00e4 piirteit\u00e4, jotka perustuvat t\u00e4ydelliseen kohdistukseen.<\/li>\n\n\n\n<li>antaa symboleille hieman lis\u00e4marginaalia<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-22-smudging-and-ink-spread\">Tahrat ja musteen levi\u00e4minen<\/h3>\n\n\n\n<p>Usein liiallinen muste, v\u00e4\u00e4r\u00e4 viskositeetti, saastuminen tai virheellinen kovettuminen.<\/p>\n\n\n\n<p>Et voi hallita tehtaan <a href=\"https:\/\/www.bbpress.co.uk\/news\/potential-problems-with-screen-printing-and-how-to-solve-them\" rel=\"noreferrer noopener\" target=\"_blank\">musteen viskositeetti<\/a> CAD:st\u00e4, mutta voit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v\u00e4ltt\u00e4\u00e4 eritt\u00e4in ohuita viivoja<\/li>\n\n\n\n<li>v\u00e4lt\u00e4 tekstin ahtaamista tyynyjen v\u00e4liin<\/li>\n\n\n\n<li>k\u00e4ytt\u00e4\u00e4 yksinkertaisempia kirjainmuotoja<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"900\" height=\"554\" src=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset.webp\" alt=\"PCB silkscreen offset\" class=\"wp-image-4892\" srcset=\"https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset.webp 900w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-300x185.webp 300w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-768x473.webp 768w, https:\/\/flj-pcb.com\/wp-content\/uploads\/2026\/05\/PCB-silkscreen-offset-18x12.webp 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-23-missing-or-faded-prints\">Puuttuvat tai haalistuneet sormenj\u00e4ljet<\/h3>\n\n\n\n<p>Kuluneet n\u00e4yt\u00f6t, huono tarttuvuus, ymp\u00e4rist\u00f6altistus, huonot kovettumisjaksot. J\u00e4lleen valmistuspuolen ongelmia, mutta suunnittelusi auttaa pysym\u00e4ll\u00e4 mukavan kokoisissa ominaisuuksissa.<\/p>\n\n\n\n<p>Ja varastointi on t\u00e4rke\u00e4\u00e4. Kosteus ja l\u00e4mp\u00f6tilan vaihtelut voivat vaikuttaa laatuun. Jos piirilevyj\u00e4 on tarkoitus k\u00e4ytt\u00e4\u00e4 vaativissa ymp\u00e4rist\u00f6iss\u00e4, keskustele valmistajan kanssa musteen tyypist\u00e4 ja kest\u00e4vyysodotuksista.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-24-ipc-and-symbol-conventions-the-sensible-approach\">IPC ja symbolikonventiot (j\u00e4rkev\u00e4 l\u00e4hestymistapa)<\/h2>\n\n\n\n<p>N\u00e4et viittauksia standardeihin, kuten IPC-7351:een, maapiirrosten ja sijoitusohjeiden osalta. Standardeja on my\u00f6s merkint\u00e4tapoja, tarkastusta, kest\u00e4vyytt\u00e4 ja yleist\u00e4 valmistuksen hyv\u00e4ksytt\u00e4vyytt\u00e4 varten.<\/p>\n\n\n\n<p>K\u00e4yt\u00e4nn\u00f6ss\u00e4 silkkipainosuunnittelussa \u201cIPC-ajattelutapa\u201d on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00e4yt\u00e4 selkeit\u00e4, tavanomaisia symboleja.<\/li>\n\n\n\n<li>Pid\u00e4 teksti luettavana.<\/li>\n\n\n\n<li>\u00c4l\u00e4 sijoita merkint\u00f6j\u00e4 paikkaan, jossa ne haittaavat juottamista tai tarkastusta.<\/li>\n\n\n\n<li>Tee kokoonpanosta yksiselitteinen.<\/li>\n<\/ul>\n\n\n\n<p>Jos teet l\u00e4\u00e4ketieteellisi\u00e4, autoteollisuuden tai ilmailu- ja avaruusalan tuotteita, sinun on noudatettava tarkoin standardien mukaisia merkint\u00e4- ja j\u00e4ljitett\u00e4vyysvaatimuksia. Useimmissa kaupallisissa piirilevyiss\u00e4 on silti hy\u00f6ty\u00e4 saman kurinalaisuuden noudattamisesta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-25-special-cases-flexible-pcbs-and-high-density-boards\">Erikoistapaukset: joustavat piirilevyt ja suuritiheyksiset levyt<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-26-flexible-pcbs\">Joustavat PCB:t<\/h3>\n\n\n\n<p>Joustolevyt taipuvat. My\u00f6s musteen on taiputtava, ja tarttuminen voi olla vaikeampaa. Painopaine ja seulan kireys muuttuvat herkemmiksi, joten hyvin hienot legendat ovat riskialttiimpia.<\/p>\n\n\n\n<p>Jos joustosuunnitelmasi on tihe\u00e4, harkitse:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pit\u00e4\u00e4 silkkipaino minimaalisena<\/li>\n\n\n\n<li>k\u00e4ytt\u00e4m\u00e4ll\u00e4 suurempia ja rohkeampia merkint\u00f6j\u00e4<\/li>\n\n\n\n<li>vaihtoehtoiset merkint\u00e4menetelm\u00e4t, kuten mustesuihkutulostus tai lasermerkint\u00e4 (pysyv\u00e4mpi, usein tarkempi).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-27-high-density-boards\">Korkean tiheyden levyt<\/h3>\n\n\n\n<p>Joskus ei vain ole tilaa.<\/p>\n\n\n\n<p>Mik\u00e4 toimii paremmin kuin kaiken kutistaminen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Siirr\u00e4 joitakin merkint\u00f6j\u00e4 kokoonpanopiirustukseen levyn sijasta.<\/li>\n\n\n\n<li>K\u00e4yt\u00e4 v\u00e4hemm\u00e4n mutta merkityksellisempi\u00e4 merkint\u00f6j\u00e4 (vain liittimet, napaisuus, t\u00e4rkeimm\u00e4t IC:t).<\/li>\n\n\n\n<li>K\u00e4yt\u00e4 QR-koodeja tai 2D-koodeja tarkistamiseen ja j\u00e4ljitett\u00e4vyyteen, jos tuotantolaitoksesi tukee sit\u00e4, mutta testaa luettavuus todellisilla n\u00e4ytteill\u00e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-28-quick-checklist-my-safe-default-silkscreen-rules\">Nopea tarkistuslista: minun \u201cturvalliset oletusarvoiset\u201d silkkipainos\u00e4\u00e4nt\u00f6ni<\/h2>\n\n\n\n<p>Jos haluat l\u00e4ht\u00f6kohdan, voit hakea useimpiin lautakuntiin:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/pagination.com\/best-fonts-for-brochures-flyers-and-booklets\/\" target=\"_blank\" rel=\"noreferrer noopener\">Yksinkertainen sans serif fontti<\/a>, johdonmukainen kaikkialla<\/li>\n\n\n\n<li>Tekstin korkeus <strong>1,0 mm - 1,5 mm<\/strong> refdes mahdollisuuksien mukaan<\/li>\n\n\n\n<li>Iskun leveys <strong>0,15 mm - 0,20 mm<\/strong><\/li>\n\n\n\n<li>Silkkipainov\u00e4rin viivan leveys <strong>0,15 mm - 0,20 mm<\/strong><\/li>\n\n\n\n<li>Et\u00e4isyys tyynyihin ja alttiina olevaan kupariin <strong>0,20 mm suositeltava<\/strong><\/li>\n\n\n\n<li>\u00c4l\u00e4 luota automaattiseen rajaukseen, vaan sijoita legendat niin, ett\u00e4 ne s\u00e4ilyv\u00e4t hengiss\u00e4.<\/li>\n\n\n\n<li>Tee napaisuuden ja nastan 1 merkinn\u00e4t ilmeisiksi ja tarpeettomiksi.<\/li>\n\n\n\n<li>Valitse silkkipainov\u00e4ri kontrastin, ei vibojen vuoksi.<\/li>\n<\/ul>\n\n\n\n<p>Se ei ole hohdokasta. Mutta se tulostuu hyvin ja lukee hyvin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-29-a-note-on-silkscreen-services-and-production\">Huomautus silkkipainopalveluista ja -tuotannosta<\/h2>\n\n\n\n<p>Monet PCB-valmistajat sis\u00e4llytt\u00e4v\u00e4t silkkipainatuksen vakiovaihtoehtona, mukaan lukien palvelut kuten PCBGOGO ja monet muut. Riippumatta siit\u00e4, valmistetaanko levysi LPI- vai DLP-menetelm\u00e4ll\u00e4, edell\u00e4 mainitut suunnittelun perusteet p\u00e4tev\u00e4t edelleen.<\/p>\n\n\n\n<p>Jos teet manuaalista tulostusta itse, voit odottaa suurempaa vaihtelua ja enemm\u00e4n kohdistamishaasteita. <a href=\"https:\/\/www.allpcb.com\/blog\/pcb-knowledge\/the-impact-of-silkscreen-font-size-on-automated-optical-inspection-aoi.html\" rel=\"noreferrer noopener\" target=\"_blank\">Automaattiset silkkipainokoneet<\/a> ovat nopeampia ja johdonmukaisempia volyymit\u00f6it\u00e4 varten, mutta suunnittelun on silti oltava valmistettavissa.<\/p>\n\n\n\n<p>Ja kyll\u00e4, jos olet joskus n\u00e4hnyt taulun, jossa legendat ovat hieman siirtyneet ja puolet R-kirjaimista puuttuu, se ei yleens\u00e4 johdu siit\u00e4, ett\u00e4 suunnittelija olisi \u201cunohtanut\u201d. Se johtuu siit\u00e4, ett\u00e4 suunnittelu oli aivan sen rajalla, mit\u00e4 prosessiin mahtui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-30-get-your-pcb-quote-today\">Hanki PCB-tarjous t\u00e4n\u00e4\u00e4n<\/h2>\n\n\n\n<p>Etsitk\u00f6 luotettavaa PCB-kumppania silkkipainatusta ja koko levytuotantoa varten? <a href=\"https:\/\/flj-pcb.com\/fi\/\" data-type=\"page\" data-id=\"6\"><strong>Philifast<\/strong> <\/a>tukee hankettasi suunnittelusta toimitukseen. <strong><a href=\"https:\/\/flj-pcb.com\/fi\/contact\/\" data-type=\"page\" data-id=\"1581\">Ota meihin yhteytt\u00e4 nyt ja pyyd\u00e4 nopea, ammattitaitoinen tarjous.<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-31-faqs-frequently-asked-questions\">FAQ (usein kysytyt kysymykset)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-32-what-is-silkscreen-on-a-pcb-and-why-is-it-important\">Mik\u00e4 on silkkipaino piirilevyll\u00e4 ja miksi se on t\u00e4rke\u00e4\u00e4?<\/h3>\n\n\n\n<p>Piirilevyn silkkipaino on piirilevylle painettu ei-johtava mustekerros, jolla yksil\u00f6id\u00e4\u00e4n komponentit, nastat 1, napaisuus, liittimet, hypp\u00e4\u00e4j\u00e4t, testipisteet, varoitukset, logot ja versiokoodit. Se sis\u00e4lt\u00e4\u00e4 kaikki ihmiselle suunnatut tiedot, jotka auttavat kokoonpanoteknikkoja sijoittamaan osat oikein, auttavat testausinsin\u00f6\u00f6rej\u00e4 l\u00f6yt\u00e4m\u00e4\u00e4n kohdat nopeasti ja auttavat my\u00f6hemp\u00e4\u00e4 huoltoa tai vianetsint\u00e4\u00e4 varten.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-33-what-materials-and-colors-are-commonly-used-for-pcb-silkscreen\">Mit\u00e4 materiaaleja ja v\u00e4rej\u00e4 k\u00e4ytet\u00e4\u00e4n yleisesti PCB-silkkipainatuksessa?<\/h3>\n\n\n\n<p>Piirilevyjen silkkipainatuksessa k\u00e4ytet\u00e4\u00e4n yleens\u00e4 ei-johtavia epoksipohjaisia tai UV-kovetteisia painov\u00e4rej\u00e4. Yleisi\u00e4 v\u00e4rej\u00e4 ovat valkoinen, musta ja keltainen. Epoksiv\u00e4reill\u00e4 on vahva tarttuvuus ja ne kest\u00e4v\u00e4t hyvin juotosl\u00e4mp\u00f6\u00e4, kun taas UV-kovetteiset v\u00e4rit kuivuvat nopeasti ja soveltuvat suurille tuotantom\u00e4\u00e4rille.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-34-what-are-the-main-printing-methods-for-pcb-silkscreen-and-how-do-they-differ\">Mitk\u00e4 ovat PCB-silkkipainatuksen t\u00e4rkeimm\u00e4t painomenetelm\u00e4t ja miten ne eroavat toisistaan?<\/h3>\n\n\n\n<p>Kaksi t\u00e4rkeint\u00e4 tulostusmenetelm\u00e4\u00e4 ovat Liquid Photo Imaging (LPI) ja Direct Legend Printing (DLP). LPI-menetelm\u00e4ss\u00e4 k\u00e4ytet\u00e4\u00e4n valoherkk\u00e4\u00e4 mustetta ja valotusprosessia, jotka ovat yleisi\u00e4 sarjatuotannossa, ja ne ovat yleens\u00e4 kest\u00e4vi\u00e4. DLP:ss\u00e4 k\u00e4ytet\u00e4\u00e4n suoraa mustesuihkutyyppist\u00e4 tulostusta piirilevylle, mik\u00e4 mahdollistaa nopeamman k\u00e4sittelyn ja tarkemmat yksityiskohdat, mutta voi olla hieman v\u00e4hemm\u00e4n kest\u00e4v\u00e4 riippuen k\u00e4ytetyst\u00e4 mustej\u00e4rjestelm\u00e4st\u00e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-35-what-font-styles-are-recommended-for-pcb-silkscreen-to-ensure-legibility\">Mit\u00e4 kirjasintyylej\u00e4 suositellaan PCB-silkkipainatukseen luettavuuden varmistamiseksi?<\/h3>\n\n\n\n<p>Suositellaan yksinkertaisia serifitt\u00f6mi\u00e4 standardifontteja, kuten yksiviiva-\/vektorifontteja tai Arialin, Helvetican tai DIN-tyylin kaltaisia fontteja. V\u00e4lt\u00e4 serifej\u00e4, ohuita viivoja, koristeellisia elementtej\u00e4, kursiivia pieniss\u00e4 kooissa tai isoja kirjaimia pieness\u00e4 tekstiss\u00e4. Kirjasintyylin johdonmukaisuus kautta linjan parantaa luettavuutta kokoonpanon aikana.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-36-what-are-the-best-text-size-guidelines-for-pcb-silkscreen-to-ensure-readability-after-manufacturing\">Mitk\u00e4 ovat parhaat tekstikoko-ohjeet piirilevyjen silkkipainatukselle, jotta varmistetaan luettavuus valmistuksen j\u00e4lkeen?<\/h3>\n\n\n\n<p>Viitenumeroiden ja etikettien, jotka on tarkoitettu luettavaksi ilman suurennusta: merkkien korkeuden on oltava 1,0-1,5 mm (tarvittaessa v\u00e4hint\u00e4\u00e4n 0,8 mm) ja viivan leveyden 0,15-0,20 mm (tarvittaessa v\u00e4hint\u00e4\u00e4n 0,12 mm). Riitt\u00e4v\u00e4 iskujen v\u00e4li on my\u00f6s ratkaisevan t\u00e4rke\u00e4, jotta selkeys s\u00e4ilyy, vaikka muste levi\u00e4\u00e4 tai rekister\u00f6inti siirtyy valmistuksen aikana.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-37-can-silkscreen-be-used-as-a-substitute-for-solder-mask-on-pcbs\">Voiko silkkipainatusta k\u00e4ytt\u00e4\u00e4 juotosmaskin korvikkeena piirilevyill\u00e4?<\/h3>\n\n\n\n<p>Ei, silkkipaino ei ole juotosmaskin korvike. Juotosmaski est\u00e4\u00e4 juotosillat ja suojaa kuparij\u00e4lki\u00e4; silkkipaino toimii puhtaasti merkint\u00e4kerroksena viestint\u00e4tarkoituksiin, kuten komponenttien ja testipisteiden merkitsemiseen. Silkkipainatuksen k\u00e4ytt\u00e4minen juotosriskien korjaamiseen voi johtaa ongelmiin, kuten musteen palamiseen tai likaantumiseen.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In simple terms, silkscreen is the non conductive legend printed on the board to identify components, pin 1, polarity, connectors, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[27,37,341,61,339,53,340,342,344,343],"class_list":["post-4890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-design","tag-pcb-assembly","tag-pcb-design","tag-pcb-font-size","tag-pcb-layout","tag-pcb-legend","tag-pcb-manufacturing","tag-pcb-silkscreen","tag-pcb-text-guidelines","tag-silkscreen-printing","tag-smt-pcb"],"spectra_custom_meta":{"_edit_lock":["1778146567:1"],"rank_math_internal_links_processed":["1"],"rank_math_primary_category":["36"],"rank_math_seo_score":["82"],"rank_math_title":["%title%"],"rank_math_focus_keyword":["Silk Screen"],"rank_math_description":["Stop unreadable legends. 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