A.倒裝焊B.熱壓鍵合C.引線(xiàn)鍵合D.載帶自動(dòng)焊
A.陶瓷框架B.封裝蓋板C.粘接底座D.鍵合引線(xiàn)
A.65%Sn-35%PbB.10%Sn-90PbC.35%Sn-65%PbD.90%Pb-10%Sn