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Author:

秦飞 (秦飞.) (Scholars:秦飞) | 赵帅 (赵帅.) | 代岩伟 (代岩伟.) (Scholars:代岩伟) | 陈沛 (陈沛.) | 安彤 (安彤.)

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incoPat zhihuiya

Abstract:

本发明公开了一种碳化硅MOSFET模块的封装结构和制作方法,由碳化硅MOSFET芯片,上DBC基板,下DBC基板,陶瓷转接板,氧化硅介电填充层,纳米银焊膏,再布线层,过孔导电金属和功率端子组成。本发明通过纳米银焊膏将碳化硅MOSFET芯片和下DBC基板连接。同时在陶瓷转接板上制作矩形框架,并通过填充介电材料,将碳化硅MOSFET芯片嵌入在陶瓷转接板内。芯片和转接板的上表面覆有导电金属层,陶瓷转接板的上下表面分别和上下DBC基板互连,各功率端子分别从上下DBC基板的导电覆铜层引出。该发明可以实现碳化硅MOSFET模块的高温封装,而且可以实现双面散热,提高了散热效率。采用平面互连的方式取代引线键合,减小了模块的寄生电感。

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Patent Info :

Type: 发明授权

Patent No.: CN201911090620.8

Filing Date: 2019-11-09

Publication Date: 2021-04-16

Pub. No.: CN110838480B

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: 5

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