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:
Apr. 27, 1999
Filed:
Jun. 10, 1997
Applicant:
Inventor:
Chang-bin Lim, Seoul, KR;
Assignee:
Samsung Electro Mechanics, Co., Ltd., Kyungki-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
061097338 ; 338307 ; 338204 ; 219543 ;
Abstract
A ceramic heater for a gas sensor has a heater substrate, a laminating substrate made of the same material as the heater substrate, and an electrode made of platinum and at least one lanthanide oxide disposed between the heater substrate and the laminating substrates. The ceramic heater exhibits improved durability without migration patterns, is free of cracks on the substrate, is free of short circuits in the heat electrode and is low in production cost.