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:
Jun. 27, 1989
Filed:
Oct. 29, 1987
Applicant:
Inventors:
Tetsuo Yamamoto, Nagoya, JP;
Hiroshi Hayashi, Nagoya, JP;
Tenshiro Muta, Nagoya, JP;
Yoshisada Hori, Ichinomiya, JP;
Katsushi Kubo, Nagoya, JP;
Assignees:
Agency of Industrial Science & Technology, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
428622 ; 428627 ; 428632 ; 428457 ; 73754 ; 73DI / ;
Abstract
A pressure sensor element is disclosed which essentially comprises a high-strength electric insulating ceramic substrate and a silver coating tightly deposited on the surface of the substrate. When a region of the element is subjected to a high pressure, the electric resistance in the region concerned changes in proportion to the magnitude of the pressure.