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Optical Glass Properties

Polished Stainless Steel Wafers Lapped and Polished

Stainless steel wafers are manufactured to standard SEMI diameter specifications from 304, 316 and 430 stainless steel.

430 Stainless steel is magnetic, while 304 Stainless steel is slightly magnetic, and 316 stainless is non-magnetic. Valley manufactures stainless steel wafers in size ranges from 1″, 2″, 3″, 100mm, 125mm, 150mm, 200mm, 300mm up to 450mm diameters. Custom diameters and other geometries are also available. Typical wafer thicknesses are 0.005″ (125µm), 0.010″ (250µm), 0.015″ (375µm), 0.020″ (500µm), 0.025″ (625µm) and 0.040″ (1mm). Valley can also thin and polish to custom thicknesses.

Applications for Stainless steel wafers, substrates and foils include:

  • Thick-film pressure sensors
  • Thick-film resistors
  • Thick-film heater substrates
  • Temperature sensing elements
  • Flexible substrate applications
  • Research and development
  • CIGS Substrates- Copper, Indium, Gallium Diselenite thin films

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