Buga kewaye allon a cikin rana juriya waldi tsari, shi ne allo bugu bayan waldi juriya na buga kewaye allon tare da daukar hoto farantin za a rufe da kushin a kan buga kewaye hukumar.
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.
Fim ɗin juriya na solder dole ne ya sami ingantaccen tsarin fim don tabbatar da cewa ana iya rufe shi iri ɗaya akan wayar PCB da kushin don samar da ingantaccen kariya.
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.
Zinare na nutsewa yana amfani da hanyar saka sinadarai, ta hanyar hanyar mayar da sinadari don samar da wani Layer na plating, gabaɗaya mai kauri, hanya ce ta sanya shinge na nickel na gwal na sinadari, zai iya cimma wani kauri na zinariya.
Dukanmu mun san cewa, domin samun PCB mai kyau conductivity, da jan karfe a kan PCB ne yafi electrolytic jan karfe tsare, da kuma jan karfe solder gidajen abinci a cikin iska daukan hotuna lokaci ya yi tsayi da yawa sauki a oxidised,
