Advanced GaAs Wet Processing Solution for Semiconductor Manufacturing
PaceTec successfully delivered a customized wet bench solution for advanced GaAs wafer processing in semiconductor manufacturing environments. The system was specifically engineered for GaAs resist stripping, lift-off processing, QDR cleaning and solvent-based wet chemical applications under high-purity cleanroom conditions.
With this project, PaceTec strengthens its position as a specialized supplier of GaAs wet benches, ATEX-compliant wet process systems, lift-off wet benches and semiconductor cleaning equipment for the international semiconductor market.
Challenge: Stable and Safe GaAs Wet Processing
Processing GaAs wafers requires extremely stable wet process conditions, especially for:
- Resist strip applications
- Lift-off processes
- Ultrasonic solvent cleaning
- Particle-sensitive wafer cleaning
- Precious metal recovery
The customer required a manually operated wet bench capable of handling sensitive solvent processes while meeting:
- ISO Class 3 and ISO Class 7 cleanroom standards
- ATEX requirements
- Controlled temperature processing
- Flexible process integration
PaceTec Solution: Customized GaAs Wet Bench
PaceTec developed a modular stainless-steel wet bench system designed for processing 4-inch GaAs wafers in batch operation.
GaAs Resist Strip Module
The resist strip section includes:
- Cooled process lids
- Optional pneumatic agitation
- Ultrasonic processing
- Cascade tank configuration
- Integrated QDR rinse stations with conductivity monitoring
The open-top design with cleanroom exhaust integration ensures excellent accessibility while maintaining stable cleanroom conditions.
GaAs Lift-Off Wet Process Module
For lift-off applications, PaceTec integrated:
- Heated process stages up to 80 °C
- N₂ bubbling technology
- Ultrasonic-assisted solvent processing
- Hot QDR cleaning
- Integrated rinse technology
An integrated fine filtration system for precious metal recovery enables efficient recycling of process materials during semiconductor production.
ATEX and Cleanroom-Compatible Wet Bench Technology
The delivered system was specifically designed for:
- Solvent-based semiconductor processing
- ATEX-compliant operation
- ISO cleanroom integration
- Particle-sensitive wafer cleaning
- High-purity chemical compatibility
The wet bench is ideally suited for:
- Compound semiconductor manufacturing
- RF and microwave devices
- MEMS
- Photonics
- Optoelectronics
- Advanced semiconductor R&D applications
PaceTec as Supplier of Wet Benches for Compound Semiconductor Manufacturing
With customized solutions for:
- GaAs wafer wet processing
- Lift-off wet benches
- Semiconductor cleaning systems
- QDR rinse stations
- ATEX wet benches
- High-purity chemical process equipment
PaceTec positions itself as an experienced technology partner for the semiconductor and microelectronics industry.
Conclusion
The implemented GaAs wet bench project demonstrates the expertise of PaceTec in developing advanced wet processing systems for semiconductor manufacturing. By combining ATEX-compliant safety, ultrasonic wet chemistry, cleanroom-compatible engineering and flexible process integration, PaceTec delivered a powerful solution for modern GaAs resist strip, lift-off and wafer cleaning applications.
