Stage 13 of 13 · Back end
Package the finished design into a file the factory uses to make its masks, then send it off.
The final layout is merged with metal fill and exported as GDSII or OASIS. Handing that file to the foundry is called tapeout.
Metal fill and density checks, final DRC on the merged database, mask data preparation and the tapeout checklist. Optical proximity correction happens on the foundry side.
Builds The mask data
Chapter in progress
Full chapters are ready for Logic synthesis, Placement and Clock tree synthesis.