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Author:

金冬月 (金冬月.) | 王利凡 (王利凡.) | 张万荣 (张万荣.) | 陈蕊 (陈蕊.) | 郭燕玲 (郭燕玲.) | 郭斌 (郭斌.) | 陈虎 (陈虎.)

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incoPat

Abstract:

本发明公开了一种具有高特征频率‑击穿电压优值的SOI SiGe异质结双极晶体管。所述晶体管采用薄的N+埋层结构来显著提高N‑集电区内靠近埋氧层一侧的电子浓度,从而通过减小器件的集电区串联电阻来降低集电结空间电荷区延迟时间,达到提高器件特征频率的目的。所述晶体管采用p型超结层结构来改善集电结空间电荷区的电场分布,使得集电结空间电荷区电场分布趋于平缓,从而可以降低峰值电子浓度,抑制碰撞电离,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,同时兼顾了器件的高频特性和高击穿特性,从而保持了高的特征频率‑击穿电压优值(fT×BVCEO),可有效拓展功率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.: CN201711227122.4

Filing Date: 2017-11-29

Publication Date: 2020-06-19

Pub. No.: CN108010962B

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: 3

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