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:
May. 10, 2005
Filed:
Jul. 23, 2003
Masato Hatayama, Miyagi-ken, JP;
Masato Hatayama, Miyagi-ken, JP;
Alps Electric Co., LTD, Tokyo, JP;
Abstract
A variable-resistance element exhibiting high wear resistance and superior microlinearity includes a resistor constituted from a first resistive layer containing a first reinforcing material and a second resistive layer containing conductive carbon black and a second reinforcing material, the second resistive layer being disposed on the first resistive layer. The first reinforcing material is pulverized carbon fibers having an average particle size of 3 μm. The second reinforcing material is thermal black having an average particle size of 0.35 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile