How OPC Works
Interactive lithography simulation
1 / 4
The Mask
Design intent
This is a photomask
A template that projects circuit patterns onto silicon using light. The L-shape is exactly what we want printed on the wafer.
Legend
Mask
The design you want to print
Target
Ideal printed shape
Run Simulation →
lit
opc
View
Layers
Legend
Contour
Target
Aerial
Ruler
Background
Dark
Light
Aerial
Opacity
58%
Colormap
Apple (default)
Plasma
Viridis
Hot
Grayscale
Ice
Contour
Classic
Neon
Gold
Minimal
EPE Overlay
Off
Color
Arrows
Both
Export
Resolution
Web
High-Res ★
Figure PNG
Figure SVG
3D Surface PNG (Pro)
Runs CSV
Copy Caption
★ Pro unlocks high-resolution export (up to 4200px).
Run to simulate
Final Mask
Contour
Aerial
Target
Ruler
Mask
Contour
?