Microelectronic circuits in which the passive components and their metallic interconnections are formed directly on an insulating substrate and the active semiconductor devices(usually in wafer form) are added subsequently.
分词翻译
电子的英语翻译：
electron 【化】 electron 【医】 e.; electron
电路的英语翻译：
circuit; circuitry 【计】 electrocircuit 【化】 circuit; electric circuit 【医】 circuit
