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Plated wires and alloy wires for electronic parts
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Alloy wires
Sumitomo Electric develops and manufactures materials for reed switches and electrode materials for discharging negative ions, by applying technologies for nickel alloy wires (designed exclusively for plug materials).
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Composite wires
Sumitomo Electric’s Dumet wires are made from composite materials: iron-nickel alloy wires (whose thermal expansion coefficient is close to that of glass) and copper (characterized by high conductivity). For half a century, these products have been used as lead wires for various electronic parts.
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Plated wires
Sumitomo Electric has various surface treatment technologies. Notably, electroplating technologies (gold, silver, tin, nickel) are applied to copper and brass wires or ribbons depending on the application.
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Cut wires
The smooth wire surface helps minimize the generation of metal powder on guides of wire electrical discharge machines, enabling continuous use for many hours.
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Metal materials for spark plug electrodes
Sumitomo Electric develops nickel alloy wires custom-designed for plug materials to meet the various needs required of gasoline engines.
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Conductors for electric wires
These conductors are used for covered wires. Copper wires, tin-bearing copper wires, silver-bearing copper alloy wires, are used. The lineup includes bare wires, molten tin-plated wires, electroplated wires (tin, nickel, silver), and other plated wires. Sumitomo Electric offers two types of wires: single wires and stranded wires (bunch strands of single wires). Round wires and tape wires (rolled foil) are also available.
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