发明授权
US07195984B2 Reduce 1/f noise in NPN transistors without degrading the properties of PNP transistors in integrated circuit technologies 有权
降低NPN晶体管中的1 / f噪声,而不降低集成电路技术中PNP晶体管的性能

Reduce 1/f noise in NPN transistors without degrading the properties of PNP transistors in integrated circuit technologies
摘要:
An interfacial oxide layer (185) is formed in the emitter regions of the NPN transistor (280, 220) and the PNP transistor (290, 200). Fluorine is selectively introduced into the polysilicon emitter region of the NPN transistor (220) to reduce the 1/f noise in the NPN transistor.
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