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Author:

贾云鹏 (贾云鹏.)

Indexed by:

incoPat zhihuiya

Abstract:

一种高压功率快恢复二极管及其制造方法,属于半导体器件技术领域。现有高压功率快恢复二极管正向压降呈负温度特性,因此其热可靠性差。本发明之高压功率快恢复二极管主结结深为1~3μm,掺杂浓度为1E16~1E18cm-3。结终端由掺磷多晶硅层场板及铝电极场板复合而成,并且,铝电极与掺磷多晶硅层导通,铝电极场板为多级场板或者无级渐变场板,介质层位于硅高阻层与掺磷多晶硅层场板及铝电极场板之间。本发明之制造方法制备主结的工艺参数为,温度:1050~1150℃,推结时间:60~300分钟,注入剂量控制在1×1012~5×1014cm-2范围内。在制备有主结的硅高阻层上面制作介质层,主结裸露,然后在介质层上面邻近主结处制作掺磷多晶硅层场板,最后制作铝电极场板,铝电极场板与主结、掺磷多晶硅层场板导通并覆盖部分介质层。

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Patent Info :

Type: 发明授权

Patent No.: CN200910066582.2

Filing Date: 2009-03-02

Publication Date: 2010-09-15

Pub. No.: CN101504954B

Applicants: 吉林华微电子股份有限公司;;北京工业大学

Legal Status: 授权 ; 权利转移

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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