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Advanced motion control for the
advanced packaging era  

Advanced packaging, fueled by the explosive growth of AI, is reshaping the semiconductor equipment industry and rapidly driving the demand for higher levels of motion control performance and capabilities. Among the critical requirements for advanced semiconductor applications are sub-micron accuracy, nanometer-level standstill jitter, millisecond-level settling, and sub-microsecond triggering synchronization. 

ACS Motion Control’s unique mix of competencies in advanced servo and AI-based control algorithms, multi-axis EtherCAT-based control systems, motion-to-process synchronization, and high-performance servo drive electronics, enables OEMs to design motion control systems that meet the needs of high-end semiconductor equipment roadmaps. 

Key semiconductor applications

  • Inspection – optical, X-ray, ultrasonic, e-beam  
  • Metrology – critical dimension (CD), overlay, film thickness  
  • Hybrid bonding, die bonding, LED bonding 
  • Silicon photonics alignment 
  • Maskless lithography 
  • Beam delivery 
  • Nanoprobing 
  • Vapor deposition 
  • Ion implant 
  • Laser scribing and annealing 

Precision motion stage control expertise

  • Linear motor stages 
  • Direct drive rotary stages 
  • XY stages, XYZT stages  
  • XY gantry stages, dual gantry stages 
  • Air bearing stages 
  • Z voice coil stages 
  • Z-Tip-Tilt stages 
  • Precision servo and stepper ballscrew stages

Acs Capabilities

Key capabilities for semiconductor applications

NanoPWM

Advanced servo drive and algorithm technology for sub-nanometer precision

Position Event Generation

High speed, on-the-fly event triggering synchronized to precise positioning

Force Control

Precision force control with on-the-fly contact detection

Autofocus

Dynamic autofocus algorithm minimizes tracking error for optimal focus

ServoBoost & ServoBoost Plus

Improve Motion System Performance with Unique Servo Algorithm

Dynamic Error Compensation

Mechanical accuracy compensation to eliminate system imperfections

Smarter Gantry Control

Advanced MIMO (multi-input multi-output) gantry control algorithm

Markets

Accelerating motion control solutions & high-tech equipment innovation

Since our founding, ACS Motion Control has thrived on addressing precision motion control challenges in advanced semiconductor process control. Today, we are proud to provide motion control system solutions to equipment manufacturers in several high-tech market segments.

Semiconductor

Ultra-precise, high-speed motion coordination

Electronics

Compact, compliant, high-reliability control solutions

Laser Processing Systems

Ultra-precise, high-speed motion coordination

Biomedical

Nanometer stability for critical beam positioning

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