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. 03, 2011
Filed:
Aug. 04, 2010
Takayuki Hirano, Hyogo, JP;
Takashi Miyamoto, Hyogo, JP;
Takayuki Hirano, Hyogo, JP;
Takashi Miyamoto, Hyogo, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Kobelco Research Institute, Inc., Kobe-shi, JP;
Abstract
The present invention provides a contact probe pin having both electrical conductivity and durability and being capable of realizing low adhesion to the device under test (particularly, tin contained therein) and thereby stably maintaining electrical contact over a long period of time. The present invention relates to a contact probe pin comprising: a base material; and a carbon film comprising at least one of a metal and a carbide thereof, wherein the carbon film is continuously formed over the surface of from a tip part of the contact probe pin to a lateral part of the contact probe pin, and a content of the at least one of a metal and a carbide thereof in the carbon film is continuously or intermittently decreased from the tip part toward the lateral part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile