发明申请
US20050106829A1 Polysilicon bipolar transistor and method of manufacturing it 有权
多晶硅双极晶体管及其制造方法

Polysilicon bipolar transistor and method of manufacturing it
摘要:
In the inventive method of producing a base terminal structure for a bipolar transistor, an etch stop layer is applied on a single-crystal semiconductor substrate, a poly-crystal base terminal layer is produced on the etch stop layer and an emitter window is etched in the base terminal layer using the etch stop layer as an etch stop.
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