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f 0.1 mm×0.1 mm. The structure presents the clear and regular periodic array topography, with a grid matrix unit depth of approximately 8.5 nm, which can be used for calibration of related instruments or process analysis.

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Girds Matrix
Girds Matrix
  • Roughness Standard Sample
    Roughness Standard Sample
  • Laser Marked Sample
    Laser Marked Sample
  • Lubricant Seal Cover
    Lubricant Seal Cover
  • Metal Groove
    Metal Groove
  • Metal Scratch
    Metal Scratch
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