The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2026
Filed:
Aug. 23, 2021
Zhuzhou Crrc Times Semiconductor Co., Ltd., Hunan, CN;
Liheng Zhu, Hunan, CN;
Haihui Luo, Hunan, CN;
Qiang Xiao, Hunan, CN;
Rongzhen Qin, Hunan, CN;
Mengjie Wang, Hunan, CN;
ZHUZHOU CRRC TIMES SEMICONDUCTOR CO., LTD., Zhuzhou, CN;
Abstract
Provided is a reverse-conducting IGBT chip including a first conductive type substrate; and several first conductive type short circuit regions arranged at intervals below the substrate and adjacent to a collector region. The short circuit regions are located outside a first preset range having the center of a chip as a center, in a second preset range outside the first preset range and having the center of the chip as a center, in a third preset range outside the second preset range and having the center of the chip as a center, and in a range outside the third preset range and enclosed by a chip edge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile