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:
Dec. 30, 1986
Filed:
Apr. 27, 1984
Applicant:
Inventors:
Junichi Tanaka, Tenri, JP;
Hisatoshi Furubayashi, Yamatokoriyama, JP;
Masanori Watanabe, Tenri, JP;
Masaya Hijikigawa, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428522 ; 428913 ; 428328 ; 733365 ;
Abstract
A moisture sensor comprising a substrate, a bottom electrode formed on said substrate, a moisture sensitive film formed on said bottom electrode and a moisture permeable electrode formed on said moisture sensitive film, said moisture sensitive film being formed by heat-treating polyvinyl alcohol, thereby exhibiting a moisture sensitive characteristic which has a linear relationship between the impedance and the relative humidity.