Category: Linear - Laserscale, Sony Magnescale Encoders

Magnescale BS78 – min res: 17pm

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High-speed and high-resolution, while maintaining stable, ultraprecision measuring. Ideal for precision stages, semiconductor inspection/manufacturing systems, and ultraprecision processing machines.

Key features

  • High-resolution scale with signal pitch of approx. 138nm, outperforming light wave interferometer systems
  • High stability, unaffected by humidity, air pressure and air disturbances
  • Reference point accuracy : ±0.1μm
  • Scale accuracy : ±0.04μm (measuring length : 40 mm)
  • Non-contact design eliminates return error.
  • Special non-magnetic and vacuum-compatible models available
  • Using low expansion glass : -0.7 x 10-6/℃ (measuring length : 10 to 420 mm)

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