Hanyar samar da allunan multilayer gabaɗaya ana yin ta ne ta hanyar zane-zane na ciki na farko, sannan ta hanyar bugu da etching don yin substrate mai gefe ɗaya ko mai gefe biyu, sannan a cikin layin da aka keɓance tsakanin, sannan ta hanyar dumama, dannawa da haɗin gwiwa. Amma ga hakowa na gaba daidai yake da hanyar yin rami mai gefe biyu.
1. Da farko, dole ne a fara kera allon kewayawa na FR4.Bayan an saka tagulla da aka ratsa a cikin ƙasa, ramukan suna cike da guduro kuma an kafa layin saman ta hanyar cirewa.Wannan matakin daidai yake da hukumar FR4 ta gabaɗaya sai dai don cika raɗaɗin da guduro.
2. Ana amfani da resin epoxy na photopolymer azaman farkon Layer na rufin FV1, kuma bayan bushewa, ana amfani da mashin hoto don matakin fallasa, kuma bayan fallasa, ana amfani da sauran ƙarfi don haɓaka ƙananan rami na ramin peg.Ana yin taurin resin bayan buɗe rami.
3. The epoxy guduro surface ne roughened da permanganic acid etching, da kuma bayan etching, wani Layer na jan karfe da aka samu a saman da electroless jan karfe plating ga m jan karfe plating mataki.Bayan plating, da jan karfe Layer da aka kafa da tushe Layer da aka samu ta hanyar subtractive etching.
4. An rufe shi da rufin rufi na biyu, ta yin amfani da matakan haɓakar haɓakawa iri ɗaya don samar da rami a ƙarƙashin rami.
5. Idan bukatar perforation, za ka iya amfani da hakowa na ramuka don samar da perforations bayan samuwar jan karfe electroplating etching samar da waya.
a cikin mafi girman Layer na allon kewayawa mai rufi da fenti na anti-tin, da kuma amfani da hanyar haɓaka haɓaka don bayyana ɓangaren lamba.
6. Idan adadin yadudduka ya karu, kawai maimaita matakan da ke sama.Idan akwai ƙarin yadudduka a bangarorin biyu, dole ne a rufe murfin murfin a bangarorin biyu na tushe, amma ana iya aiwatar da tsarin plating a bangarorin biyu a lokaci guda.
Lokacin aikawa: Nuwamba-09-2022