Tungsten VM (tungsten vacuum metalizing) is mainly used for the evaporation of aluminum, with the additional option of utilizing Molybdenum and Tantalum.
T&D is a producer of tungsten lamp filaments, wire filaments, and other specialty components for leading lighting manufacturers.
Today’s changing lamp technology and lighting industry requirements demand new filament designs daily. There are thousands of filament designs in the marketplace that vary with respect to parameters such as basic coil type (single coil or coiled coil), bulb shape, gas fill, service life, and lumen output.
| Schematic | Style Description |
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Tungsten Horizontal Helix |
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Tungsten Z-Coil. Open or Closed Bottom. |
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Tungsten and Molybdenum Z-Coil with Horizontal legs, also Crucible Heater |
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Tungsten and Molybdenum Double Helix, can be tapered |
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Tungsten and Molybdenum Vertical Helix |
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Tungsten and Molybdenum Vertical Conical Basket |
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Tungsten and Molybdenum Conical Basket, V-Style legs |
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Tungsten and Molybdenum Conical Basket, Z-Style legs |
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Tungsten and Molybdenum Conical Basket, Horizontal legs |
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Tungsten and Molybdenum Cylindrical Basket, V-Style legs |
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Tungsten and Molybdenum Cylindrical Basket, Z-Style legs |
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Tungsten and Molybdenum Cylindrical Basket, Horizontal legs |
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Tungsten and Molybdenum Open Helix |
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Tungsten and Molybdenum Closed Helix |
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Tungsten and Molybdenum Flat U Loop |
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Tungsten and Molybdenum Flat O Loop |
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Tungsten and Molybdenum Spiral Crucible Heater |
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Overwrapped Tungsten Rod (Tungsten rod overwrapped with fine tungsten wire in honeycomb fashion) |
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