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:
Nov. 20, 2001
Filed:
Aug. 30, 1999
Applicant:
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 3/5462 ; C04B 3/5465 ; C04B 3/5468 ;
U.S. Cl.
CPC ...
C04B 3/5462 ; C04B 3/5465 ; C04B 3/5468 ;
Abstract
Disclosed is a dielectric material comprising: a main ingredient having a composition represented by xBaO-yRE,O,-zTiO,, wherein RE represents at least one rare earth element, and x+y+z=100 mol %; at least one alkali metal oxide; and an ingredient derived from an oxygen supplying agent which releases oxygen on heating.