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:
Jun. 02, 1998
Filed:
Mar. 26, 1997
Applicant:
Inventor:
Hiroaki Matoba, Moriyama, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501134 ;
Abstract
Disclosed herein is a dielectric ceramic composition based on a lead-based perovskite-type complex compound containing nickel, characterized in that the amount of nickel is smaller than the stoichiometric amount. The dielectric ceramic composition can contain .alpha. mol % (0<.alpha..ltoreq.100) of lead-based perovskite-type complex compound represented by the formula below