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Lambda Physics

Optical Coatings • PVD Technology • Electron Beam Evaporation

Precision optical components for research and industrial applications

Optical Coating Machine
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Lot of 10 pcs Chromium-coated optical flat. Chrome-on-Glass (COG) Φ14mm

EUR 45.00
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Chromium-coated glass substrate COG photolithography set Mirror finish chromium coating

Product Description

Professional Chrome-on-Glass (COG) substrates, essential for high-precision photolithography, mask making, and chemical etching processes.

Each substrate features a uniform, high-density chromium layer deposited via Electron Beam Evaporation (PVD) on an optical flat glass surface. These plates offer excellent adhesion and high contrast, making them ideal for:

  • Production of optical masks and reticles
  • Micro-patterning and thin-film research
  • Calibration targets for microscopy
  • Thermal and chemical resistance testing

Technical Specifications

MaterialOptical Flat Glass
CoatingChromium (Cr)
DiameterΦ25mm
Surface Quality60/40 Scratch-Dig
QuantitySet of 10 pieces
Deposition MethodE-Beam PVD