Connector contact material

• US 7,470,465 B2
• Filed: 11/02/2005
• Issued: 12/30/2008
• Est. Priority Date: 12/20/2004
• Status: Expired due to Fees

• Current Assignee: Klaus Schmidt
• Original Assignee: Kobe Steel Limited
• Inventors: Ohwaki, Takeshi, Yanagisawa, Kasumi, Saiki, Kozo
• Primary Examiner(s): ZACHARIA, RAMSEY E
• Application Number:
  US11/264,145
• Publication Number:
  US 20060134403A1
• Time in Patent Office: 1,154 Days
• Field of Search: 428/336, 428/421, 428/422, 428/457, 524/462, 524/463, 508/181, 508/182, 508/582, 508/588
• US Class Current: 428/327
• CPC Class Codes: C09D 5/24 Electrically-conducting paints conductive materials H01B1/00
• CPC Class Codes: H01R 13/03 characterised by the material, e.g. plating, or coating materials
• CPC Class Codes: Y10T 428/254 Polymeric or resinous material
• CPC Class Codes: Y10T 428/265 1 mil or less
• CPC Class Codes: Y10T 428/31678 Of metal

Abstract

Disclosed is a connector contact material that has a small friction coefficient, requires a small insertion force, and moreover does not raise contact resistance while maintaining the properties and insertion operability as a connector. The connector contact material has a coating film comprising the mixture of fluoric resin particles and fluoric oil on the surface of a substrate, wherein the thickness of the coating film is 0.2 to 0.5 μm, and the proportion of the fluoric resin particles to the total amount of the fluoric resin particles and the fluoric oil in the coating film is 20% to 40% in mass, and thereby the connector contact material has a small friction coefficient, requires a small insertion force, and moreover does not raise contact resistance.

Claims

1. An electrical connector contact comprising a coating film on a surface of the electrical connector contact substrate wherein

a thickness of the coating film on a surface of the electrical connector contact substrate is 0.2 to 0.5 μ

m; and

the coating film on the surface of the electrical connector contact comprises

a fluoric oil, and

fluoric resin particles, wherein

a proportion of the fluoric resin particles to the total amount of the fluoric resin particles and the fluoric oil in the coating film is 20% to 40% in mass and

the fluoric oil consists of an unsubstituted perfluoropolyether.

2. The electrical connector contact according to claim 1, wherein the the fluoric resin particle comprises a fluorine resin selected from the group consisting of polytetrafluoroethylene, a tetrafluoroethylene perfluoroalkylvinyl ether copolymer, a tetrafluoroethylene hexafluoropropylene copolymer, a tetrafluoroethylene ethylene copolymer, polychlorotrifluoroethylene, a chlorotrifluoroethylene ethylene copolymer, polyvinylidene fluoride and polyvinylfluoride.

3. The electrical connector contact according to claim 1, wherein the fluoric resin particles comprise polytetrafluoroethylene.

4. The electrical connector contact according to claim 1, wherein the electrical connector contact substrate comprises copper or a copper alloy.

5. A multipole terminal comprising the electrical connector contact according to claim 1.

6. The electrical connector contact according to claim 1, wherein a diameter of the fluoric resin particle is in the range from about 0.2 to 20 μ

m.