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. 26, 1999
Filed:
May. 27, 1998
Applicant:
Inventors:
Katsuhiko Ariga, Obu, JP;
Masayasu Teraoka, Chiryu, JP;
Yoshimitsu Motoki, Kaminiikawa-gun, JP;
Tetsushi Yokoe, Nei-gun, JP;
Ichirou Ishiyama, Takaoka, JP;
Assignees:
Denso Corporation, Kariya, JP;
Hokuriku Electric Industry Co., Ltd., Kami-niikawagun, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ; H01H / ;
U.S. Cl.
CPC ...
200512 ; 200 6154 ; 200266 ; 200268 ; 200269 ;
Abstract
A membrane switch having a pair of flexible printed boards and a pair of contacts respectively disposed on said printed boards. The contacts are formed of powdered alloy of silver and palladium bounded by resinous material, and a conductive layer of silver powder is disposed between the flexible printed board and the contact. Preferably, the powdered alloy contains 50-97 weight percent silver and palladium in the remainder of weight percent.