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Optical ring substrate

  • Category:
    Substrat
  • Description:
    Optical glass substrat for mask engraving / substrat verre optique pour gravure de masque
  • Manufacturing Process:
    cutting, polishing / découpe polissage
  • Material:
    B270 parallelism : ≤ 0.02 mm

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