A method for facilitating the assignment of alternating voltage potentials to a set of shield wires in a routing layer of an integrated circuit involves generating a set of vertices representing at least a portion of the set of shield wires and of edges representing adjacency of at least the portion...http://www.google.de/patents/US6779166?utm_source=gb-gplus-sharePatent US6779166 - Optimal alternating power and ground shield assignment algorithm
