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:
Sep. 01, 1987
Filed:
Jun. 16, 1986
Applicant:
Inventors:
Norio Kato, Aichi, JP;
Shunkichi Nozaki, Aichi, JP;
Yukihiro Kimura, Aichi, JP;
Rokuro Kambe, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
B32G / ; H05G / ;
U.S. Cl.
CPC ...
428446 ; 428428 ; 428698 ; 428699 ; 252518 ; 252548 ; 219548 ;
Abstract
A ceramic heater comprising a ceramic substrate is described which has formed thereon a layer of a silicide of an element selected from groups IVa, Va and VIa of the periodic table. The heater has stable temperature vs. resistance characteristics, has high mechanical strength and produces the desired temperature in a very short period of time.