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:
Oct. 05, 2021
Filed:
Sep. 19, 2019
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/581 (2006.01); C01B 21/072 (2006.01); C04B 35/63 (2006.01); C04B 35/64 (2006.01);
U.S. Cl.
CPC ...
C04B 35/581 (2013.01); C01B 21/0726 (2013.01); C04B 35/6303 (2013.01); C04B 35/64 (2013.01); C01P 2004/20 (2013.01); C01P 2004/54 (2013.01); C01P 2006/12 (2013.01); C01P 2006/80 (2013.01); C04B 2235/3865 (2013.01); C04B 2235/606 (2013.01); C04B 2235/6562 (2013.01); C04B 2235/661 (2013.01);
Abstract
Aluminum nitride particles used as a material of an aluminum nitride sintered compact are disclosed. The aluminum nitride particles may have a same crystal orientation. The aluminum nitride particles each have an aspect ratio of 3 or more, a plate-like shape, a planar length of 0.6 μm or more and 20 μm or less, and a thickness length of 0.05 μm or more and 2 μm or less.