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Stepper specialized for large panels―
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- Highly warped substrates due to heat treatment and distorted rewiring surfaces.
- Optimal suction method for warped panel.
- Auto focus function with multi-point focus.
- Alignment function for panel expansion and contraction.
- Split global alignment, Shot by Shot (Die by Die) alignment, and scaling by reticle.
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Repeat product videos for related systems
Product specification
Product specification
Model type |
PPS-8500 |
Panel Size |
510 x 515mm(Max) |
Resolution |
2.0 µmL/S (2.0 µm resist thickness) |
NA (numerical aperture) |
0.16, 0.1 variable |
Reduction ratio |
1:1 |
Field Size |
52mm × 33mm |
Exposure wavelength |
ghi-line gh-line i-line (recipe linked) |
Reticle Size |
6inch |
Total Overlay Accuracy |
≦1.0 µm(|Ave|+3σ) |
System Size/Weight |
(W)3,000×(D)4,800×(H)2,500mm / 11,000kg |