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. 19, 2019
Filed:
Apr. 04, 2017
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Inventors:
Seok Hyun Yoon, Suwon-si, KR;
Jung Deok Park, Suwon-si, KR;
Chang Hak Choi, Suwon-si, KR;
Dong Hun Kim, Suwon-si, KR;
Seung Ho Lee, Suwon-si, KR;
Chan Hee Nam, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/46 (2006.01); H01G 4/30 (2006.01); C04B 35/468 (2006.01); H01G 4/005 (2006.01); H01G 4/12 (2006.01);
U.S. Cl.
CPC ...
H01G 4/30 (2013.01); C04B 35/4682 (2013.01); H01G 4/005 (2013.01); H01G 4/1227 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3215 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3236 (2013.01); C04B 2235/3239 (2013.01); C04B 2235/3249 (2013.01); C04B 2235/3267 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/96 (2013.01);
Abstract
A dielectric ceramic composition contains: a barium titanate-based powder as a main ingredient; a first accessory ingredient containing Na; a second accessory ingredient containing Ba; and a third accessory ingredient containing Si. A content of the first accessory ingredient (based on moles of Na) is 0.3 to 4.0 moles per 100 moles of the main ingredient, and a Ba/Si ratio is in a range of 0.16 to 1.44.