An abutted-pin hierarchical physical design process is described. The abutted-pin hierarchical physical design provides solutions to the problems of the traditional hierarchical physical design and provides additional advantages and benefits. In particular, the abutted-pin hierarchical physical design...http://www.google.de/patents/US6857116?utm_source=gb-gplus-sharePatent US6857116 - Optimization of abutted-pin hierarchical physical design
