该工艺与已有的双层多晶硅自对准NPN晶体管工艺相兼容，可用于制造高性能的互补双极电路。
The process is compatible to the existing double poly-silicon self-aligned NPN transistor process, which can be used to fabricate high-performance complementary bipolar circuits.
大多数传统的音频功率放大器是用双极型工艺设计和制造，其基础在于良好的双极型三极管特性。
Majority of conventional power amplifiers are designed using bipolar technology on the basis of well-known merits of bipolar transistors.
IBM过去一直制造双极芯片。
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