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:
May. 30, 2023
Filed:
Mar. 10, 2020
Tokuyama Corporation, Yamaguchi, JP;
Akimasa Kuramoto, Yamaguchi, JP;
Yukihiro Kanechika, Yamaguchi, JP;
TOKUYAMA CORPORATION, Yamaguchi, JP;
Abstract
An aluminum nitride particle including at least a first truncated six-sided pyramid (-a) and a second truncated six-sided pyramid (-b), the aluminum nitride particle having a shape such that a lower base () of the first truncated six-sided pyramid (-a) and a lower base () of the second truncated six-sided pyramid (-b) face each other, the first truncated six-sided pyramid (-a) and the second truncated six-sided pyramid (-b) each having an upper base () with an area Sof not less than 60 μmand not more than 4800 μm, and each having a ratio (S/S) of the area Sto an area Sof the lower base () being not less than 0.5 and less than 1, the first truncated six-sided pyramid (-a) and the second truncated six-sided pyramid (-b) respectively having a height hand a height heach being not less than 5 μm and not more than 20 μm.