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Author:

金冬月 (金冬月.) | 胡瑞心 (胡瑞心.) | 张万荣 (张万荣.) | 王肖 (王肖.) | 付强 (付强.) | 鲁东 (鲁东.)

Indexed by:

incoPat zhihuiya

Abstract:

本发明公开了一种应变硅异质结双极晶体管,尤其是同时具有大电流增益和高击穿电压的超结集电区应变硅异质结双极晶体管。所述晶体管采用SiGe虚拟衬底结构,并在弛豫SiGe集电区中引入n型柱区和p型柱区交替排列的超结结构,其上分别外延生长应变SiGe基区和应变Si发射区。所述晶体管在弛豫SiGe集电区上外延生长应变SiGe基区可有效提高SiGe基区内Ge含量,增大发射区和基区间的带隙差,从而达到提高发射效率、增大器件电流增益的目的。同时,所述晶体管在集电区采用超结结构,可引入横向电场,改善集电区电场分布,从而达到提高器件击穿电压的目的。与常规的功率异质结双极晶体管相比,所述晶体管在保持优异高频特性的同时电流增益更大,击穿电压更高,可有效拓展异质结双极晶体管在射频和微波功率领域的应用。

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Patent Info :

Type: 发明授权

Patent No.: CN201410146902.6

Filing Date: 2014-04-12

Publication Date: 2016-10-05

Pub. No.: CN103943670B

Applicants: 北京工业大学

Legal Status: 授权 ; 权利转移 ; 质押

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: 8

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