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:
Jan. 10, 2023
Filed:
Feb. 06, 2020
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventor:
Hajime Fujikura, Hitachi, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/15 (2006.01); H01L 33/22 (2010.01); H01L 33/32 (2010.01); C30B 29/20 (2006.01); H01L 33/00 (2010.01); C30B 29/40 (2006.01); H01L 33/12 (2010.01);
U.S. Cl.
CPC ...
H01L 33/22 (2013.01); C30B 29/20 (2013.01); C30B 29/403 (2013.01); H01L 33/007 (2013.01); H01L 33/12 (2013.01); H01L 33/32 (2013.01);
Abstract
There is provided an aluminum nitride laminate member including: a sapphire substrate having a base surface on which bumps are distributed periodically, each bump having a height of smaller than or equal to 500 nm; and an aluminum nitride layer grown on the base surface and having a flat surface, there being substantially no voids in the aluminum nitride layer.
Quick Actions:
Fujikura, Hajime. (2023). Aluminum nitride laminate member and light-emitting device (U.S. Patent No. 11552218). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11552218
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile