Net routing is optimized in an integrated circuit device by dividing an integrated circuit design with a first group of substantially parallel lines in a first direction and with a group of substantially parallel lines in a second direction, with the second direction being substantially perpendicular...http://www.google.fr/patents/US6175950?utm_source=gb-gplus-shareBrevet US6175950 - Method and apparatus for hierarchical global routing descend
Method and apparatus for hierarchical global routing descend
