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B270 glass substrate

B270 optical glass ring substrate used for precise marking and engraving.

Category: Optical components, Optical windows

Optical glass substrate for precise mask engraving.

  • Material : Schott B270
  • Parallelism : ≤ 0.02 mm
  • Dimensions tolerances : +/- 0,01mm
  • Aspect : SD : 20/10
  • Polishing : 3 rhomb