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. 13, 2024
Filed:
Aug. 04, 2021
Rare earth aluminate sintered compact and method for producing rare earth aluminate sintered compact
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Shozo Taketomi, Tokushima, JP;
Ryo Yamamoto, Anan, JP;
Tomomi Fujii, Anan, JP;
Toshiyuki Hirai, Komatsushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); C04B 35/44 (2006.01); C04B 38/00 (2006.01);
U.S. Cl.
CPC ...
C04B 35/44 (2013.01); C04B 38/0054 (2013.01); C09K 11/7706 (2013.01); C04B 2235/5463 (2013.01); C04B 2235/74 (2013.01); C04B 2235/785 (2013.01); C04B 2235/786 (2013.01); C04B 2235/80 (2013.01);
Abstract
A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 μm to 1.3 μm, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 μm to 1.2 μm.