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:
Jan. 09, 2018
Filed:
Sep. 28, 2016
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Shohei Fujii, Tokyo, JP;
Raitarou Masaoka, Tokyo, JP;
Hiroki Uchiyama, Tokyo, JP;
Maiko Shirokawa, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/01 (2006.01); C04B 35/495 (2006.01); H01G 4/08 (2006.01); H01G 4/33 (2006.01); C04B 35/057 (2006.01); H01G 4/12 (2006.01); H01L 49/02 (2006.01); C01G 33/00 (2006.01); C01G 35/00 (2006.01); C01F 11/02 (2006.01);
U.S. Cl.
CPC ...
C04B 35/057 (2013.01); C01F 11/02 (2013.01); C01G 33/006 (2013.01); C01G 35/006 (2013.01); C04B 35/01 (2013.01); C04B 35/495 (2013.01); H01G 4/1254 (2013.01); H01G 4/33 (2013.01); H01L 28/55 (2013.01); C01P 2006/40 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3213 (2013.01); C04B 2235/3215 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3255 (2013.01); C04B 2235/6562 (2013.01); C04B 2235/6567 (2013.01);
Abstract
A dielectric composition containing a complex oxide represented by the formula of ABCOas the main component, wherein A represents Ba, B represents at least one element selected from the group consisting of Ca and Sr, C represents at least one element selected from the group consisting of Ta and Nb, and α, β and γ meet the following conditions, i.e., α+β+γ=1.000, 0.000<α≦0.375, 0.625≦β<1.000, 0.000≦γ≦0.375.