TwinScan XT:1900Gi DUV Lithography Specifications
A dual-stage ArF immersion DUV lithography system for high-volume manufacturing (HVM) of 300mm wafers.
The XT:1950Hi features a Zeiss Starlith1950 immersion lens.
This is the largest-NA ArF lens available and at 1.35 NA. it pushes water-based ArF immersion lithography to the limit.
● Wavelength: 193nm;
● Numerical Aperture: ~1.35;
● Resolution: 38nm;
● CDU: 1nm;
● Single Machine Overlay: 4nm;
● Throughput: 148wph (@125 exp per wafer);