Gabaɗaya, kaurin abin rufe fuska a tsakiyar layin gabaɗaya bai fi microns 10 ba, kuma matsayi a ɓangarorin biyu gabaɗaya bai fi 5 microns ba, wanda a da aka tsara a cikin ma'auni na IPC, amma. yanzu ba a buƙata ba, kuma takamaiman buƙatun abokin ciniki za su yi nasara.
A cikin tsarin sarrafawa da samarwa na PCB, ɗaukar hoto tawada abin rufe fuska yana da matukar mahimmanci.
Green tawada na iya yin ƙarami kuskure, ƙaramin yanki, na iya yin daidaici mafi girma, kore, ja, shuɗi fiye da sauran launuka suna da daidaiton ƙira mafi girma.
PCB solder mask za a iya nuna a daban-daban launuka, ciki har da kore, fari, blue, baki, ja, rawaya, matte, purple, chrysanthemum, haske kore, matte baki, matte kore da sauransu.
Mashin solder muhimmin mataki ne a cikin tsarin kera PCB.
Dalilan Amfani da Ƙirƙirar Zinare na Immersion
Anan ga sabon samfurin mu, wanda ke amfani da dabarun kera gwal na nutsewa da yatsa na zinari.
Ko wasan kwaikwayo na tauraro ne, tasirin musamman na 3D na cikin gida, ko wasu gine-ginen ofis sama da allon talla, mafi haske da haske allo, mafi tsananin buƙatun PCB.
Kamar yadda muka sani, da zinariya waya matsayi tsari ne yafi amfani a SMT faci masana'antu, don haka menene abũbuwan amfãni ko rashin amfani da zinariya waya matsayi ga farantin yin?
Matsayin waya na gwal hanya ce ta saka abubuwa wanda galibi ana amfani dashi a babban matakin HDI PCB.