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:
Apr. 29, 2025
Filed:
Feb. 29, 2024
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Yuji Tsushima, Takasaki, JP;
Koichiro Morita, Takasaki, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/12 (2005.12); C04B 35/468 (2005.12); C04B 35/626 (2005.12); H01G 4/008 (2005.12); H01G 4/012 (2005.12); H01G 4/30 (2005.12);
U.S. Cl.
CPC ...
H01G 4/1227 (2012.12); C04B 35/4682 (2012.12); C04B 35/62675 (2012.12); H01G 4/008 (2012.12); H01G 4/012 (2012.12); H01G 4/30 (2012.12);
Abstract
A dielectric body includes a plurality of crystal grains of which a main component is barium titanate, and an additive including Zr, Eu and Mn. At least one of the plurality of crystal grains has a core-shell structure having a core and a shell. A Zr/Ti atomic concentration ratio is 0.02 or more and 0.10 or less. An Eu/Ti atomic concentration ratio is 0.001 or more and 0.03 or less. A Mn/Ti atomic concentration ratio is 0.005 or more and 0.05 or less.