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. 17, 2004
Filed:
Feb. 22, 2002
Applicant:
Inventors:
Igor Sankin, Starkville, MS (US);
Janna B. Dufrene, Starkville, MS (US);
Assignee:
Semisouth Laboratories, LLC, Starkville, MS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/300 ; H01L 3/10312 ; H01L 2/924 ;
U.S. Cl.
CPC ...
H01L 3/300 ; H01L 3/10312 ; H01L 2/924 ;
Abstract
Silicon carbide semiconductor power devices having epitaxially grown guard rings edge termination structure are provided. Forming the claimed guard rings from an epitaxially grown SiC layer avoids the traditional problems associated with implantation of guard rings, and permits the use of self aligning manufacturing techniques for making the silicon carbide semiconductor power devices.
Sankin, Igor. (2004). Power sic devices having raised guard rings (U.S. Patent No. 6693308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6693308
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile