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What is the minimum size to draw?

Saturday 23rd July 2022
Hi! Now i am drawing to a patter having 0.0125µm, but it is changed to 0.013µm automatically after drawing. Is it possible to draw 0.000X scall? Thank you.
Saturday 23rd July 2022
(only for registered users)


Yes, sure that is possible. The minimum possible size is one databaseunit. The databaseunits are stored with a GDS and be be set between 1e-99m and 1e99m. By default for new GDS it is set to 1µm. In your case I would recommend a setting of 5E-10m. ![Screenshot_20220723_090243.png](/api/img.php?thread=20220723-1302&file=Screenshot20220723090243.png) But always remember when changing the databaseunits, it will change the maximal design size as well. GDS is 32 bit and with a databaseunits of 1nm the maximal design space is about +-2m, with 0.5nm +-1m and so on.