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. 30, 2004
Filed:
Nov. 07, 2001
Applicant:
Inventors:
Tsutomu Yoshitake, Tokyo, JP;
Hideto Imai, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/00 ;
U.S. Cl.
CPC ...
G01J 5/00 ;
Abstract
A thin film made of a cobalt-based oxide represented by YBaCo O (−0.5<x<0.05) is used as a resistor material for a bolometer. Provided is also an infrared sensor having a microbridge structure and using the cobalt-based oxide thin film. The temperature coefficient of the electric resistance thereof can be made large.