Luma-Metall AB Gold Plated Tungsten Wire


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Gold Plated Tungsten Wire -  - Luma-Metall AB
Kalmar, Sweden
Gold Plated Tungsten Wire
For applications that require tungsten to be gold plated, Luma metal offers gold plated tungsten wire in highest quality. Plating is providing oxidation resistance and improved wettability for soldering. Standard gold plated thickness for wires < 50 microns (0.0097′) is 3-5% by weight. For wire dimensions > 50 microns the coat thickness is 0,5 micron. Upon request we also manufacture gold plated tungsten wire with non-standard coat thickness. Tungsten and gold are almost equal in density. Consequently gold plated wire will not change in density compared to unplated wire of the same diameter. The electrical resistance of plated tungsten will be somewhat reduced because of the lower resistivity for gold. Gold plated wire is very suitable for use in harsh environments. However the melting point for gold is 1064 oC in comparison with 3410oC for tungsten wire and this should be considered when using plated wire. We are constantly developing our plating technology and we also design our own plating equipment. This allows us to meet our customers demand for a well adhesive and dense gold plated wire with a uniform thickness. With our leading technology for plated wire we got all possibilities to create great gold plated tungsten wire. Our modern scanning electron microscope is an example of an instrument that allows us to confirm the continuous improvements of our manufacturing technologies and is resulting in an improved quality for our plated wire. Luma gold plated tungsten wire is available in the dimension range 0.005 – 0.2 mm (0.0002 – 0.00787′). Examples of applications; Printing, Antennas, Medical, Technical Research
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Technical Specifications

  Luma-Metall AB
Product Category Metal Shapes and Stock
Product Name Gold Plated Tungsten Wire
Width / OD 1.97E-4 to 0.0079 inch (0.0050 to 0.2000 mm)
Type Refractory / Reactive; Tungsten
Applications Printing, Connectors, Medical, Antennas, Fuses, Technical Research
Processing, Temper & Finish Coated / Painted; Polished; Etched
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