Tare da haɓaka fasahar PCB da karuwa a cikin buƙatun masu amfani da sauri don samfura huɗu zuwa katako mai hawa goma da masu gudanarwa. . Me yasa ƙara yawan yadudduka? Samun ƙarin yadudduka na iya haɓaka rarraba ikon jirgi, rage crosstalk, ya kawar da tsangwama da tallafawa alamun alamun sauri. Yawan yadudduka da aka yi amfani da su don PCB ya dogara da aikace-aikacen, mita na aiki, da yawa na pinal bukatun.

Ta hanyar tura yadudduka biyu, an yi amfani da saman Layer (watau 1 na 1) azaman Layer Layer. Matsakaicin guda huɗu yana amfani da saman da ƙananan yadudduka (ko kuma 1st da 4th yadudduka) azaman sigina Layer. A cikin wannan sanyi, ana amfani da yadudduka na 2 da 3 kamar jirgin sama. Proprede Layer ya shaidar biyu ko fiye biyu-gefe biyu tare kuma kuma suna aiki a matsayin abin hawa tsakanin yadudduka. PCB na shida-Layer yana ƙara yadudduka biyu, na biyu da yadudduka na biyar suna bauta kamar jiragen sama. Yaduwa 1, 3, 4, da 6 dauke sigina.

Ci gaba zuwa tsarin-Layer, Layer na ciki, uku (lokacin da aka sumbar hukumar biyu) da na hudu biyar (PP) shine sandwiched tsakanin allon. Tunda ba a warkarwa da kayan aiki ba, kayan yana da laushi fiye da ainihin kayan. Tsarin masana'antar PCB yana amfani da zafi da matsin lamba ga duk tari da narke da Pimreg da Core don a iya haɗa su tare.

Batun Multlieight suna ƙara ƙarin jan ƙarfe da kuma yadudduka marasa kyau zuwa tari. A cikin wani yanki mai takwas-Layer, layuka na ciki bakwai na daidaitawa sun manne yadudduka huɗu da kuma sauna huɗu tare. Goma zuwa allon-Layer-Layer ƙara yawan yadudduka masu gyara, yana riƙe da yadudduka huɗu, kuma ƙara adadin yadudduka sigina.