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. 28, 2025
Filed:
Jul. 27, 2022
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Keita Yamana, Nagoya, JP;
Kazuhiro Nobori, Handa, JP;
Genichi Yokota, Nagoya, JP;
Tetsuhisa Abe, Tokoname, JP;
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 18/00 (2006.01); B32B 3/30 (2006.01); C04B 37/00 (2006.01); H01L 21/67 (2006.01); H05B 3/26 (2006.01);
U.S. Cl.
CPC ...
B32B 18/00 (2013.01); B32B 3/30 (2013.01); C04B 37/001 (2013.01); H01L 21/67103 (2013.01); H05B 3/265 (2013.01); C04B 2237/366 (2013.01);
Abstract
An AlN joined body includes a first AlN member and a second AlN member that are joined together. The content of yttria in the first AlN member is equal to or below the detection limit. The second AlN member contains yttria.