. Most things are possibly metals or nonmetals. Germanium falls in the identical group as carbon and silicon, but will also as tin and guide.这是将成千上万个分立的晶体体管、电阻、电容等元件，采用掩蔽、光刻、扩散等工艺，把它们集成一个或几个尺寸很小的晶片上，集结成一个以几个完够的�… Read More