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US 2015/0357723 A1Published application
Metal Member, A Terminal, A Wire Connecting Structure and A Method of Manufacturing A Terminal
AssigneesFurukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.
InventorsAkira TACHIBANA, Kengo MITOSE, Chikanobu IKUTA
Life of this patent
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Abstract
A metal member includes a base material composed of one of copper and a copper alloy, a white metal layer provided on the base material at a part or an entirety thereof, and an oil film provided on the white metal layer. The white metal layer has a thickness of 0.01 μm to 0.80 μm. A surface of the white metal layer has an arithmetic mean roughness of 0.6 μm to 1.2 μm. The oil film has an electric double-layer capacitance of 1.5 μF/cm2 to 7.0 μF/cm2.
Claims14
A metal member comprising:
- a base material composed of one of copper and a copper alloy;
- a white metal layer provided on the base material at a part or an entirety thereof;
- and
- an oil film provided on the white metal layer,
- the white metal layer having a thickness in a range of 0.01 μm to 0.80 μm,
- a surface of the white metal layer having an arithmetic mean roughness in a range of 0.6 μm to 1.2 μm,
- the oil film having an electric double-layer capacitance in a range of 1.5 μF/cm2 to 7.0 μF/cm2.
4 more elements
A method of manufacturing a terminal, comprising:
- punching a metal member to form a cut-out section, the metal member comprising a plate, a white metal layer, and an oil film, the plate being of a base material composed of one of copper and a copper alloy, the white metal layer being at least partially provided on the plate, the oil film being provided on the white metal layer, the white metal layer having a thickness in a range of 0.01 μm to 0.80 μm, a surface of the white metal layer having an arithmetic mean roughness in a range of 0.6 μm to 1.2 μm, the oil film having an electric double-layer capacitance in a range of 1.5 μF/cm2 to 7.0 μF/cm2;
- bending the cut-out section to form a tubular body, the tubular body having a butted portion, a lapped portion, and an insertion opening portion;
- welding the butted portion of the tubular body, the white metal layer on the plate being at least where the butted portion is welded;
- and
- welding the lapped portion at an end portion of the tubular body that is opposite to the insertion opening portion to form a tubular crimp portion, the white metal layer on the plate being at least where the lapped portion is welded.
2 more elements
A method of manufacturing a terminal, comprising:
- punching a metal member to form a cut-out section, the metal member comprising a plate being of a base material composed of one of copper and a copper alloy, and a white metal layer at least partially provided on the plate, the white metal layer having a thickness in a range of 0.01 μm to 0.80 μm, a surface of the white metal layer having an arithmetic mean roughness in a range of 0.6 μm to 1.2 μm;
- bending the cut-out section to form a tubular body, the tubular body having a butted portion, a lapped portion, and an insertion opening portion;
- providing an oil film on the white metal layer, the oil film having an electric double-layer capacitance in a range of 1.5 μF/cm2 to 7.0 μF/cm2;
- welding the butted portion of the tubular body, the white metal layer on the plate being at least where the butted portion is welded;
- and
- welding the lapped portion at an end portion of the tubular body opposite to the insertion opening portion to form a tubular crimp portion, the white metal layer on the plate being at least where the lapped portion is welded.
3 more elements
A method of manufacturing a terminal, comprising:
- punching a metal member to form a cut-out section, the metal member comprising a plate being of a base material composed of one of copper and a copper alloy, and a white metal layer at least partially provided on the plate, the white metal layer having a thickness in a range of 0.01 μm to 0.80 μm, a surface of the white metal layer having an arithmetic mean roughness in a range of 0.6 μm to 1.2 μm;
- providing an oil film on the white metal layer while bending the cut-out section to form a tubular body, the oil film having an electric double-layer capacitance in a range of 1.5 μF/cm2 to 7.0 μF/cm2, the tubular body having a butted portion, a lapped portion, and an insertion opening portion;
- welding the butted portion of the tubular body, the white metal layer on the plate being at least where the butted portion is welded;
- and
- welding the lapped portion at an end portion of the tubular body opposite to the insertion opening portion to form a tubular crimp portion, the white metal layer on the plate being at least where the lapped portion is welded.
2 more elements
Dependencies are inferred from the claim text.