Protective window

Protective window

Protective Windows was wildly used in optical instrument like camera, LED Screen, touch screen, LCD projector, Fingerprint analyzer and monitor because of the feature of dustproof, waterproof and anti-reflection .
           The coating process for Protective Windows is easier compare to other optical filters. It can be produced by almost all optical filters manufacture. While our advantage is to produce Waterproof Protective Window.
           Our coating technology for Protective Window is dielectric coating, which coat the anti-reflective film and waterproof film on it. It is waterproof, dustproof, and has great surface quality. There is no flow marks when Water drops on the Protective Window. Our products pass the MIL-PRF-13830A, MIL-PRF-13830B,MIL-C-48497A.

  • Substrate: K9
  • Size (Tolerance): 2.8*2.8mm-170*170mm
  • Edge Chamfering: <0.3mm×45°
  • Surface Flatness: λ/2
  • Parallelism: 30”
  • Surface Quality: 60-40
  • Clear Aperture (%):>90%
  • Spectrum Range: Rave<0.5%, Rmax<1% @420-680nm
  • Waterproof/Dustproof : Single/double side waterproof/dustproof