Menene hanyoyin da matakan kariya don hana nakasar hukumar PCB?

Nakasar da Kwamitin PCB, wanda kuma aka sani da matakin warpage, yana da babban tasiri akan walda da amfani. Musamman don samfuran sadarwa, ana shigar da allon guda ɗaya a cikin akwatin toshewa. Akwai daidaitaccen tazara tsakanin allunan. Tare da kunkuntar panel, rata tsakanin abubuwan da ke kan allunan plug-in da ke kusa ya zama ƙarami da ƙarami. Idan PCB ya lanƙwasa, zai Shafi plugging da cirewa, zai taɓa abubuwan. A gefe guda, nakasar PCB yana da babban tasiri akan amincin abubuwan BGA. Saboda haka, yana da matukar muhimmanci a sarrafa nakasar PCB a lokacin da kuma bayan tsarin sayar da.

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(1) Matsayin nakasawa na PCB yana da alaƙa kai tsaye da girmansa da kauri. Gabaɗaya, rabon al’amari ya yi ƙasa da ko daidai da 2, kuma nisa zuwa kauri rabo bai kai ko daidai da 150 ba.

(2) Multilayer m PCB an hada da jan karfe tsare, prepreg da core allon. Don rage nakasawa bayan dannawa, tsarin laminated na PCB ya kamata ya dace da buƙatun ƙirar ƙira, wato, kauri na foil na jan karfe, nau’in da kauri na matsakaici, rarraba abubuwan zane-zane ( Layer Layer, jirgin sama Layer), da matsa lamba dangane da kauri na PCB. Layin tsakiya na jagora yana da ma’ana.

(3) Don manyan PCBs, yakamata a tsara masu taurin naƙasa ko allunan layi (wanda kuma ake kira allon hana wuta). Wannan hanya ce ta ƙarfafa injiniyoyi.

(4) Don wasu ɓangarorin da aka shigar waɗanda ke da yuwuwar haifar da nakasar allon PCB, kamar kwas ɗin katin CPU, allon tallafi wanda ke hana nakasar PCB yakamata a tsara.