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:
Jul. 09, 1985
Filed:
Dec. 30, 1982
Applicant:
Inventors:
Satoshi Shimada, Hitachi, JP;
Kazuji Yamada, Hitachi, JP;
Seikou Suzuki, Hitachiota, JP;
Shigeyuki Kobori, Hitachi, JP;
Motohisa Nishihara, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73721 ; 73706 ; 73718 ; 338-4 ;
Abstract
A semiconductor pressure transducer including a measuring diaphragm of semiconductor material for sensing pressure supported by a support member of the same material. An oxide layer and a thin glass layer are interposed between the measuring diaphragm and the support member.