GEMINI®

Automated Production Wafer Bonding System

Integrated modular high-volume manufacturing system for aligned wafer bonding

The GEMINI is a state-of-the-art, fully automated production wafer bonding system that integrates wafer-to-wafer alignment and bonding processes in a modular design. This platform is particularly suited for next-generation MEMS (Micro-Electro-Mechanical Systems) manufacturing up to 300 mm, offering exceptional performance in wafer-level vacuum or overpressure encapsulation but also in advanced system integration. Based on the global industry standard for high-volume-manufacturing (HVM) wafer bonding, the GEMINI equipment platform includes up to four bond chambers that ensure excellent bond quality and yield. The equipment provides full flexibility and supports a wide range of processes, including metal, anodic, glass-frit, fusion, and adhesive bonding.

Features

  • Fully automated and integrated wafer bonding platform
  • Field-proven SmartView® bond alignment system
  • Bond force up to 350 kN
  • High bond pressure uniformity
  • Rapid heating and cooling
  • Optimized temperature uniformity
  • High vacuum and overpressure capability
  • Accurate chamber pressure control
  • Modular concept for full process flexibility
  • Smart process control and data analysis
  • Simplified, user-friendly interface

Technical Data

200 mm GEMINI®

  • Wafer sizes from 100 mm to 200 mm
  • Bond force up to 100 kN
  • Up to 4 bond modules
  • Overpressure capability up to 3000 mbar
  • Different system layouts with up to 4 pre-process modules
  • EVG load ports or SMIF load ports

300 mm GEMINI®

  • Wafer sizes from 200 mm to 300 mm
  • Bond force up to 350 kN
  • Up to 4 bond modules 
  • Overpressure capability up to 2000 mbar
  • Different system layouts with 2 to 6 pre-process modules
  • FOUP load ports (optional adapter for 200 mm substrates)
  • EFEM

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