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:
Jun. 25, 2024
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); C30B 25/02 (2006.01); C30B 29/40 (2006.01);
U.S. Cl.
CPC ...
C30B 29/406 (2013.01); B32B 3/00 (2013.01); C30B 25/02 (2013.01);
Abstract
A Group-III element nitride substrate includes a first main surface and a second main surface facing each other, wherein, in the first main surface, crystallinity of a first part positioned on a central portion thereof is higher than crystallinity of a second part positioned outside the first part.