EN
EN
中
×
Image Gallery
Image Gallery
Knowledge Center
Image Gallery

×

Image Gallery
Image Gallery
Knowledge Center
Image Gallery

Contact
  • Top
    • FreeSpirit (Shanghai) Precision Instrument Co., Ltd
    EN
    中
    ure 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.

    ">
    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