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:
Oct. 05, 1999
Filed:
Jun. 12, 1997
Applicant:
Inventor:
Haruyuki Endo, Tokyo, JP;
Assignee:
Ishizuka Electronics Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ;
U.S. Cl.
CPC ...
250349 ; 2503381 ;
Abstract
A chip-shaped infrared sensor comprising a substrate formed with a cavity, an infrared radiation receiving portion supported in the form of a micro air bridge in the cavity by four hook-shaped beam portions extending from the substrate, two thermistor films for infrared radiation detection formed on the infrared radiation receiving portion, two thermistor films for temperature compensation arranged on the substrate, and a single thermistor film arranged on the substrate for detecting temperature of the substrate.