Jimlar kauri da adadin yadudduka na PCB multilayer board an iyakance su ta halaye na hukumar PCB. An iyakance allon allo na musamman a cikin kauri na allo wanda za'a iya samarwa, don haka dole ne mai zane yayi la'akari da halayen hukumar na tsarin ƙirar PCB da iyakokin fasahar sarrafa PCB.
Multi-Layer compaction tsari kariya
Laminating shine tsarin haɗa kowane Layer na allon kewayawa gaba ɗaya. Dukkanin tsarin ya haɗa da matsa lamba, cikakken matsa lamba da sanyi. Lokacin da ake danna sumba, guduro yana shiga saman haɗin gwiwa kuma ya cika ɓangarorin da ke cikin layi, sannan ya shiga cikin latsawa don haɗa dukkan ɓoyayyun. Abin da ake kira latsa sanyi shine sanyaya allon kewayawa da sauri kuma kiyaye girman girman.
Laminating tsari bukatar kula da al'amura, da farko a cikin zane, dole ne saduwa da bukatun na ciki core jirgin, yafi kauri, siffar size, sakawa rami, da dai sauransu, bukatar da za a tsara daidai da takamaiman bukatun, da Gabaɗaya ainihin buƙatun jirgi na ciki babu buɗaɗɗe, gajere, buɗewa, babu iskar shaka, babu sauran fim.
Abu na biyu, lokacin laminating allunan multilayer, allunan core na ciki suna buƙatar kulawa. Tsarin jiyya ya haɗa da maganin oxidation na baki da maganin Browning. Maganin Oxidation shine don samar da fim ɗin baƙar fata akan bangon jan karfe na ciki, kuma maganin launin ruwan kasa shine samar da fim ɗin halitta akan bangon tagulla na ciki.
A ƙarshe, lokacin laminating, muna buƙatar kula da batutuwa guda uku: zazzabi, matsa lamba da lokaci. Yawan zafin jiki yana nufin zafi mai narkewa da zafin jiki na resin, saita zafin jiki na farantin zafi, ainihin zazzabi na kayan da canjin dumama. Waɗannan sigogi suna buƙatar kulawa. Dangane da matsa lamba, ƙa'ida ta asali ita ce ta cika rami mai tsaka-tsaki tare da guduro don fitar da iskar gas ɗin interlayer da masu canzawa. Ana sarrafa sigogin lokaci ta hanyar lokacin matsa lamba, lokacin dumama da lokacin gel.
Lokacin aikawa: Fabrairu-19-2024
