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:
Mar. 22, 1977
Filed:
Feb. 17, 1976
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
252521 ; 338 / ;
Abstract
A high temperature thermistor composition comprising a spinel-type Mg Al.sub.2 O.sub.4 and perovskite-type La CrO.sub.3 or (La, Sr) CrO.sub.3 is usable for the temperature range from 400.degree. to 600.degree. C, and a high temperature thermistor composition comprising spinel-type solid solution Mg(Al, Cr).sub.2 O.sub.4 and perovskite-type solid solution (La, Sr) CrO.sub.3 or LaCrO.sub.3 is usable for a higher temperature range up to 1000.degree. C.