Description:
This mirror projection aligner has a single auto-feeder. It is cassette to cassette and also has backside wafer handling.
Features:
- Autofeeder: single, cassette to cassette
- Backside wafer handling
Specifications:
- Illumination: 2kW high pressure mercury lamp
- Intensity: > 600mW / cm2 (6 inch wafer)
- Illumination uniformity: ± 3%
- Resolution: 1.5µm
- Depth of focus: > + 6µ (line width: 1.5µm)
- Magnification: < 0.4µm
- Distortion: 3 sigma < 0.5µm
- Scanning accuracy: < 1.5%
- Auto-alignment accuracy: LBS AA 3 sigma < 0.6µm (HeNe laser beam scan)