Precise positioning stage of THK PRECISION

XYZAxis Standard model

XYZAxis Standard model

Standard linear stages constitute a basic series among the piezo stage lineup, which ranges from single-axis types to integrated three-axes types with various strokes.

Classification of performances with two mechanisms

The mechanisms are classified into a "direct-drive mechanism," which has a high resonant frequency and is focused on high-speed response, and a "displacement magnification mechanism," which secures a stroke.

  • Direct-drive mechanism

    • A mechanism in which a piezo-electric elements directly moves the table.
    • It excels in resolution and response thanks to a short stroke.
    • With high rigidity, it is capable of performing stable positioning even under a large load.
    Direct-drive mechanism
  • s

    Displacement magnification mechanism

    • The product has a mechanism for mechanically amplifying the elongation of the piezo-electric element.
    • A stroke several times to more than ten times longer than the direct-drive type can be obtained according to the magnification ratio.
    • Feedback control with the built-in displacement sensor also enables the positioning reproducibility to be maintained.
    Displacement magnification mechanism

Applications

  • Semiconductor and FPD inspection
  • HDD Tester
  • Laser optic alignment
  • Interferometer devices
  • Analytical Instruments
  • Nanometer positioning

PS3H / PS3L Standard linear XYZ-axes stage

PS3H Direct-drive mechanism

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Model Number PS3H70-020UA PS3H120-030U
Appearance XYZAxis Standard model XYZAxis Standard model
Travel range ( Closed loop ) (X,Y)20μm,(Z)12μm (X,Y,Z)30μm
Resolution (X,Y,Z)1nm
Repeatability (X,Y,Z)±1nm
Load capacity 10N
Resonant frequency ( 0g Load ) 970Hz 740Hz
Built-in displacement sensor Capacitive displacement sensor
Body Material Steel Aluminum

PS3L Displacement magnification mechanism

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Model Number PS3L100-080UA PS3L68-100U
Appearance XYZAxis Standard model XYZAxis Standard model
Travel range ( Closed loop ) (X,Y)80μm,(Z)20μm (X,Y,Z)100μm
Resolution (X,Y)2nm,(Z)1nm (X,Y,Z)2nm
Repeatability (X,Y)±2nm,(Z)±1nm (X,Y,Z)±2nm
Load capacity 10N 5N
Resonant frequency ( 0g Load ) 400Hz 250Hz
Built-in displacement sensor Capacitive displacement sensor
Body Material Aluminum

Direct-drive mechanism

Displacement magnification mechanism

PS3H Direct-drive mechanism

PS3L Displacement magnification mechanism

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