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. 24, 2001
Filed:
Dec. 03, 1999
Applicant:
Inventors:
Satoshi Ueno, Shiga-ken, JP;
Akinori Nakayama, Otsu, JP;
Terunobu Ishikawa, Shiga-ken, JP;
Hideaki Niimi, Hikone, JP;
Yoichi Kawase, Omihachiman, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 7/10 ; H01L 7/04 ;
U.S. Cl.
CPC ...
H01L 7/10 ; H01L 7/04 ;
Abstract
A semiconductor ceramic device includes a semiconductor ceramic sintered body and external electrodes. The semiconductor ceramic sintered body contains a lanthanum cobalt type oxide major component, about 0.1 to 10 mol % on an element conversion basis of an oxide of Cr as a sub-component, and about 0.001 to 0.5 mol % on an element conversion basis of at least one of the oxides of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Ni, Cu and Zn.