Home 9 Wafer processing

 

Wafer rotary table

 

 

 

Wafer spindle

 

 

 

Hydraulics –
Power units

 

 

Hydrostatic rotary table for wafer grinding

Advantages and features of a hydrostatic rotary table for wafer grinding

  • Designed for wafer grinding with low or no viscosity
  • Excellent concentricity / axial run-out – extremely good concentricity and flatness on the workpiece
  • Excellent damping, no vibrations, thus increasing the surface quality on the workpiece
  • Wear-free for an unlimited service life
  • No friction at standstill, no stick-slip effect
  • Absolute angle measuring system for positioning accuracy

    Wafer_Rotary_Table

    Hydrostatic spindle for wafer grinding

    Advantages and special features of
    hydrostatic spindles for wafer processing

    • Significantly higher rigidity and damping than spindles with air bearings
    • Higher cutting force and higher cutting performance than with air-bearing spindles
    • Significantly faster processing, especially for SiC wafers

      Wafer_spindle_table

      Hydraulic unit for wafer grinding

      Hydraulic unit for water
      (currently in test phase)

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