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Author:

胡冬青 (胡冬青.) | 唐伯晗 (唐伯晗.) | 贾云鹏 (贾云鹏.) | 吴郁 (吴郁.) | 张靖维 (张靖维.)

Indexed by:

incoPat zhihuiya

Abstract:

本发明公开一种具有P型岛缓冲层结构的抗辐射MOSFET结构,在常规功率MOSFET结构的衬底与漂移区之间加入一具有p型岛结构的缓冲层;缓冲层的浓度介于漂移区掺杂浓度和衬底掺杂浓度之间,P型岛浓度与尺寸严格控制,保证器件导通态时处于单极模式情况下;同时在器件处于阻断态时,P型岛对缓冲层‑衬底高低结附近电场有调节作用,改善器件受单粒子辐照时,寄生BJT诱生的反馈效应,进而提高单粒子烧毁阈值。本发明为空间用功率MOSFET提供了一种改善抗单粒子烧毁能力的新结构。

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Patent Info :

Type: 发明授权

Patent No.: CN201810352475.5

Filing Date: 2018-04-19

Publication Date: 2021-01-05

Pub. No.: CN108598148B

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: 7

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