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:
Mar. 24, 2026
Filed:
Feb. 15, 2023
Applicant:
Wolfspeed, Inc., Durham, NC (US);
Inventors:
Afshin Dadvand, Durham, NC (US);
Devarajan Balaraman, Apex, NC (US);
Assignee:
Wolfspeed, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H01L 23/495 (2006.01);
U.S. Cl.
CPC ...
H01L 24/29 (2013.01); H01L 23/49582 (2013.01); H01L 24/32 (2013.01); H01L 24/48 (2013.01); H01L 2224/2979 (2013.01); H01L 2224/29847 (2013.01); H01L 2224/29987 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/48245 (2013.01); H01L 2924/182 (2013.01);
Abstract
Die attach materials are provided. In one example, the die-attach material includes a plurality of core-shell particles. Each core-shell particle includes a core and a shell on the core. The core includes a conducting material. The shell includes a metal nitride.
Dadvand, Afshin. (2026). Metal nitride core-shell particle die-attach material (U.S. Patent No. 12588521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12588521
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile