Novel 6-Axis Motorized Automation Platform Features High-Dynamic Direct Drive Motors and Ultra-Fast Alignment Routines

PI (Physik Instrumente), a global leader in precision motion control solutions, announces the release of the F-690.S1 SpaceFAB, a high-performance 6-axis motorized positioning stage platform, designed for advanced automation tasks that demand high speed, precision, and reliability.

6-Axis Motion and Automation Platform with High-Performance Direct-Drive Mechanics and Ultra-Fast Alignment Algorithms. Image Credit: PI (Physik Instrumente) LP

Low-Profile 6-DOF Architecture for High Dynamics and Repeatability

The F-690.S1 is built on a unique hybrid kinematic design featuring three symmetrically arranged XY nanopositioning stages with direct-drive linear motors and cross-roller bearings. Each stage supports a linear bearing mounted on a wedge with ball-joint connections, enabling full 6-degree-of-freedom motion (X, Y, Z, pitch, yaw, roll) with smooth coordination and minimal mechanical crosstalk.

Absolute encoders provide 1 nanometer resolution, while pneumatic brakes ensure positional safety during power loss. The compact, low-profile system supports payloads up to 2 kg and is capable of operating in inverted orientations, making it ideal for space-constrained or vertically integrated setups.

Integrated Electronics for Real-Time Precision Motion Control and Coordinate Transformation

At its core, the SpaceFAB features an ACS-based SPiiPlusEC motion controller with ultra-low-jitter NanoPWM drives and 24-bit A/D converters. This platform enables fast, precise motion with high dynamic range and minimal noise. The controller handles inverse kinematics internally and supports Cartesian commands for simplified system integration.

Features like software-defined pivot points ("Pivot Anywhere") make the F-690.S1 adaptable to a wide range of automation tasks — from micro-assembly and PIC component testing to high-precision metrology — where multi-axis accuracy and throughput are critical.

Alignment Routines for Production-Scale Throughput

The SpaceFAB motion and alignment controller comes preloaded with a comprehensive suite of high-speed photonics alignment routines, including:

  • FMPA (Fast Multi-Channel Photonics Alignment) Meander and Spiral Scans for efficient area-based signal acquisition and device characterization
  • Multi-Axis Gradient Search for rapid signal optimization across multiple degrees of freedom
  • PILightningFast First Light Search, an optional feature delivering first-light detection over a 500x500 µm2 area in just 0.3 seconds

These routines enable full-area spiral scans of 100×100 µm2 and 500×500 µm2 in as little as 0.3 seconds and 2 seconds, respectively. After first light detection, search gradient convergence occurs in just 0.3 seconds, supporting both coarse acquisition and fine optimization with unmatched efficiency.

Precision Specifications

  • Travel Range: Range: XY: 50 mm, Z: 25 mm, Rotational: Theta X / Y: 15°; Theta Z: 30°
  • Max Speed: 500 mm/s (linear), 100 °/s (rotational)
  • Minimum Incremental Motion (MIM): 10 nm / 2 µrad
  • Repeatability: ±50 nm (XY), ±75 nm (Z), ±2 µrad (rotational)
  • Sensor Resolution: 1 nm

Flexible Tooling and Integration

The F-690.S1 SpaceFAB 6-DOF motion platform and alignment system is available with optional fiber and fiber array holders (model F-690.A1), featuring reversible fixture mounts for single fiber or array alignment. All necessary cables and accessories for controller connection are included.

Industries Served

Optimization of high-throughput processes in fields such as PIC, photonics, metrology, semiconductor test, micro-assembly, and optics.

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