alliance-support '1999
Re: Numerical errors with s2r


Czo [Olivier Sirol] (Olivier.Sirol@asim.lip6.fr)
Thu, 28 Jan 1999 14:02:29 +0100

Jeffrey Bull wrote: > > Hello, > > I have been trying to convert a symbolic layout to a real layout and > seem to get unusual numerical errors in the output file. The mask > layout is a single layer, created directly with graal. I need to use a > lambda of 0.1 microns or smaller and a physical grid of 0.05 microns or > smaller, preferably 0.001 micron. When I set lambda and the physical > grid in the rds technology file, I get small numerical errors as > demonstrated below. > > For the case of: physical grid =0.01, lambda=0.1, here is the result > for a 6.1 micron wide rectangle, 32 mm long, starting at x=98300 > microns, y=98496.95, as output from the "Identify" command in dreal, for > a gds output file. ... ... You're certainly right.... buit 0.1 micron technologies wont be available before 2007 at this time those precision errors will be surely corrected :-) -- Thanks for your interest in Alliance. Sincerely, Olivier Sirol. ==================================================================== Olivier SIROL Alliance Team ASIM/LIP6/UPMC Coul. 55-65, 2e etg, Bur. 204 75252 Paris Cedex 05 mailto:alliance-support@asim.lip6.fr Tel: +33 1 44 27 53 24 http://asim.lip6.fr/alliance/ Fax: +33 1 44 27 72 80 ====================================================================

 



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