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:
Jul. 04, 2023
Filed:
Dec. 03, 2019
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Satoshi Kuretake, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/495 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C04B 35/495 (2013.01); H01L 33/502 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3227 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3293 (2013.01); C04B 2235/3294 (2013.01); C04B 2235/3298 (2013.01);
Abstract
A light-emitting ceramic that includes a pyrochlore type compound that contains 0.01 mol % or more of Bi with respect to 100 mol % of the general formula M1M2M3O, wherein M1 is at least one of La, Y, Gd, Yb, and Lu, M2 is at least one of Zr, Sn, and Hf, M3 is at least one of Ta, Nb, and Sb, X, Y, Z, and W are positive numbers that maintain electrical neutrality, X+Y+Z=2.0, 0.005≤Z≤0.2, and 3X+4Y+5Z is 7.02 or less.