Fang-Cheng Chang

Design rule checking system and method

Data hierarchy layout correction and verification method and apparatus

Visual inspection and verification system

Method and apparatus for data hierarchy maintenance in a system for mask description

Visual analysis and verification system using advanced tools

Method and system for lithographic mask inspection

Methode und gerät zur kontrolle und korrektur der hierarchischen daten eines layouts

Systeme d'inspection optique et de verification

Visuelle inspektion und verifikationssystem

Procede et dispositif servant a maintenir une hierarchie de donnees dans un systeme de description de masque