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:
May. 06, 2025
Filed:
Apr. 11, 2022
Db Hitek Co., Ltd., Bucheon-si, KR;
Jae Hyun Lee, Seoul, KR;
Myeong Bum Pyun, Incheon, KR;
DB HiTek Co., Ltd., Bucheon-si, KR;
Abstract
Disclosed is a superjunction semiconductor device () and a method for manufacturing the same and, more particularly, to a superjunction semiconductor device () and a method for manufacturing the same seeking to improve breakdown voltage characteristics of the device by effectively dispersing a lateral electric field in a ring region R in the lower portion of an epitaxial layer by forming first conductivity type floating impurity-doped regions in the lower portion of the epitaxial layer in the ring region R under a p-rich condition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile