Multilayer PCB yana kunshe da foil na jan karfe, takardar da aka warke, da babban allo.Akwai nau'ikan nau'ikan nau'ikan nau'ikan latsa-fit, watau tagulla foil da core board press-fit tsarin da core board da core board press-fit tsarin.Fayil ɗin jan ƙarfe da aka fi so da tsarin lamination na core, faranti na musamman (kamar Rogess44350, da sauransu) allon multilayer da gauraya tsarin tsarin latsawa ana iya amfani da tsarin lamination na ainihin.Lura cewa tsarin da aka matse (PCB Construction) da zane-zanen hakowa na jeri na allo (Stack-up- Layers) dabaru ne daban-daban guda biyu.Tsohuwar tana nufin PCB ɗin da aka matse tare lokacin da tsarin da aka tara, wanda kuma aka sani da tsarin da aka tara, na ƙarshen yana nufin tsarin tarawa na PCB, wanda kuma aka sani da oda.
1. Guguwa tare tsarin buƙatun ƙira
Domin rage PCB warpage sabon abu, PCB guga man tare tsarin kamata ya dace daidai da bukatun, wato, kauri daga cikin jan karfe tsare, kafofin watsa labarai Layer category da kauri, irin graphic rarraba (line Layer, jirgin sama Layer), guga man tare symmetrical dangi. zuwa tsakiyar PCB na tsaye.
2. Conductor tagulla kauri
(1). kasa tagulla tsare.Kaurin jan ƙarfe na waje akan zanen ana yiwa alama alama a matsayin “kauri mai kauri na jan karfe + plating, kuma kaurin jan ƙarfe na ciki ana yiwa alama “kauri mai kauri”.
(2) 2OZ da sama mai kauri na ƙasan tagulla abubuwan la'akari.
Dole ne a yi amfani da su daidai gwargwado a ko'ina cikin tsarin laminated.
Kamar yadda zai yiwu don kauce wa sanyawa a cikin L2 da Ln-2 Layer, wato, Top, Bottom surface na biyu m Layer, don kauce wa PCB surface rashin daidaito, wrinkling.
3. Buƙatun tsarin da aka danna
Tsarin latsawa shine maɓalli na samar da PCB, mafi yawan lokutan ramukan da aka danna da daidaito daidaitattun diski zai zama mafi muni, mafi girman nakasar PCB, musamman lokacin da aka danna asymmetric tare.Abubuwan buƙatun lamination don lamination, kamar kauri na jan ƙarfe da kauri na kafofin watsa labarai dole ne su dace.
Lokacin aikawa: Nuwamba-18-2022