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. 19, 1991
Filed:
Jun. 23, 1989
Applicant:
Inventors:
Masahisa Ikejiri, Nagano, JP;
Michio Yanagisawa, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338 35 ;
Abstract
A humidity sensor including an insulating substrate, a pair of electrodes formed on the insulating substrate, and a porous silica film with carbon particles dispersed therein is formed over the insulating substrate and electrodes. A silica film may be formed over the porous silica film or directly on the porous silica film containing carbon particles, or directly on the insulating substrate with the electrodes formed thereon to increase adhesion between the porous silica film and the substrate.
Ikejiri, Masahisa. (1991). Humidity sensor (U.S. Patent No. 5001453). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5001453
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile