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. 04, 1977
Filed:
May. 14, 1976
Applicant:
Inventors:
Kentaro Nagano, Yokohama, JA;
Koji Nomaki, Yokohama, JA;
Yukinori Kutsukake, Tokyo, JA;
Junji Nanao, Yokohama, JA;
Assignee:
Asahi Glass Company Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
338 35 ; 200 6106 ; 219522 ; 252518 ; 252519 ; 252521 ;
Abstract
A humidity sensor comprising a pair of spaced electrodes on an insulating substrate is formed by coating an orthophosphate as a sensitive membrane over at least a portion of the gap between the electrodes.