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Author:

金冬月 (金冬月.) | 吴玲 (吴玲.) | 张万荣 (张万荣.) | 那伟聪 (那伟聪.) | 孙晟 (孙晟.) | 杨绍萌 (杨绍萌.)

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incoPat

Abstract:

本发明公开了一种掺杂浓度可调的横向SiGe异质结双极晶体管,为NPN型或PNP型横向SiGe HBT。通过在NPN型器件发射区和基区下方衬底电极加正电压(或在PNP型器件发射区和基区下方衬底电极加负电压),可有效增大发射区掺杂浓度并减小基区掺杂浓度,同时提高电流增益和特征频率;通过在NPN型器件集电区下方衬底电极加负电压(或在PNP型器件集电区下方衬底电极加正电压),可有效降低集电区掺杂浓度,提高击穿电压。与常规横向SiGe HBT相比,所述晶体管可通过改变位于发射区、基区和集电区下方衬底电极的外加电压来独立调节上述三个区的掺杂浓度,从而实现特征频率、电流增益和击穿电压的同步提高。

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Patent Info :

Type: 发明授权

Patent No.: CN201910781958.1

Filing Date: 2019-08-23

Publication Date: 2022-11-04

Pub. No.: CN110556420B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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