PISCES is a two-dimensional device simulator which includes models for surface mobility, impact ionization and photo-generation. Quasi-three-dimensional simulation of cylindrically-symmetric devices is also supported. From the PISCES IIB description in WWW: http://www-tcad.stanford.edu/tcad/programs/piscesIIb.html ! before running make a copy of ${PREFIX}/share/misc/pisc.key ! ! in your working directory ! Gianlorenzo Masini masini@uniroma3.it