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:
Mar. 10, 2026
Filed:
Jan. 31, 2022
Tdk Corporation, Tokyo, JP;
Taku Murakami, Tokyo, JP;
Nobuto Morigasaki, Tokyo, JP;
Takuma Ariizumi, Tokyo, JP;
Toshihiko Kaneko, Tokyo, JP;
Yasuhiro Ito, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A dielectric composition includes a main-phase particle and segregation particles. The main-phase particle includes a main component having a perovskite crystal structure represented by a general formula of ABO. The dielectric composition includes RA, RB, M, and Si. Each of A, B, RA, RB, and M is one or more elements selected from a specific element group. Each of an RA content Cto the main component, an RB content Cto the main component, an M content to the main component, and a Si content to the main component is within a predetermined range. 0.50<(α/β)/(C/C)≤1.00 is satisfied, where a is an average RA content (mol %) and β is an average RB content (mol %) of specific segregation particles mainly including RA, RB, Si, Ba, and Ti in the segregation particles.