Tungsten Filaments
Tungsten
VM(tungsten vacuum metallizing)
are mainly used for the evaporation of aluminum. Molybdenum and Tantalum are
available.
T & D Materials.,
Ltd, 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 on a daily basis. 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 |
|
|
Horizontal
Helix |
|
|
Z-Coil.
Open or Closed Bottom. |
|
|
Z-Coil
with Horizontal legs, also Crucible Heater |
|
|
Double
Helix, can be tapered |
|
|
Vertical
Helix |
|
|
Vertical
Conical Basket |
|
|
Conical
Basket, V-Style legs |
|
|
Conical
Basket, Z-Style legs |
|
|
Conical
Basket, Horizontal legs |
|
|
Cylindrical
Basket, V-Style legs |
|
|
Cylindrical
Basket, Z-Style legs |
|
|
Cylindrical
Basket, Horizontal legs |
|
|
Open
Helix |
|
|
Closed
Helix |
|
|
Flat
U |
|
|
Flat
O |
|
|
Spiral
Crucible Heater |
|
|
Overwrapped Tungsten Rod (Tungsten rod overwrapped with fine tungsten wire in honeycomb fashion) |
