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:
Aug. 28, 1984
Filed:
Dec. 13, 1982
Applicant:
Inventors:
Masao Kashima, Saitama, JP;
Yasuo Miyashita, Saitama, JP;
Assignee:
Mitsubishi Mining & Cement Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501137 ; 361321 ; 501138 ; 501139 ; 501152 ;
Abstract
A composition for ceramic dielectrics comprising BaO, CeO.sub.2, ZrO.sub.2, CaO and TiO.sub.2 in sintered state. The composition can also contain at least one of MnO.sub.2, Cr.sub.2 O.sub.3, FeO, NiO, and CoO as additive. As the composition is very fine in grain size, and has a prolonged life, it is very suitable for a raw material of such a product as a layer-built capacitor which is used in high electric field.