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PI's XY-Rotation Stage with Frictionless Bearings

The stage is  suited for wafer inspection, flat-panel display metrology, fiber and optics alignment.

PI's XY-Rotation Stage.
PI's XY-Rotation Stage.
PI

The A-361 XY-rotation stage combines a low profile of just 39.5 mm with a spacious 200 mm diameter motion platform. It provides precise translational motion of 5 mm in both X and Y directions and rotational motion around the Z axis of ±2°. This compact yet powerful design delivers high stability, precision, and flexibility for advanced motion control tasks.

The A-361 PIglide XY-theta stage is ideal for high-precision applications such as:

  • Wafer inspection and semiconductor testing
  • Flat-panel display metrology
  • Fiber and optics alignment
  • Maskless lithography
  • Micro-LED (µLED) and advanced LED manufacturing
  • Photonics and material research

Key Features & Benefits:

  • Low-Profile Design: Only 39.5 mm in height, maximizing workspace efficiency.
  • Frictionless Bearing System: Air bearings ensure smooth, wear-free motion and maintenance-free operation.
  • Integrated Lock-Down Mechanism: Provides ultra-high stability by eliminating servo jitter in critical alignment tasks.
  • Built-In Vacuum Chuck: Securely holds wafers or delicate substrates for semiconductor and optics use.
  • Direct Drive Motors: Voice-coil drives deliver frictionless, dynamic response with up to 6 N continuous and 19.2 N peak force.
  • Payload Capacity: Supports up to 3 kg while maintaining high precision.
  • Cleanroom Compatibility: Designed for ISO 8573-1 oil-free air operation; consumes only 28 L/min.
  • Durable Construction: Lightweight, hard-anodized aluminum ensures longevity and rigidity.

The A-361 can be combined with the A-523 Z Tip/Tilt Stage to form a six-degree-of-freedom nanopositioning stack, providing complete spatial control for complex photonics, optics, and micro-assembly tasks. PI also offers integrated accessories, including air-preparation kits, multi-axis controllers, and custom cabling for seamless integration.

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