The present invention relates to selectively electrically connecting an electrical interconnect line, such as a bit line of a memory cell, with an associated contact stud and electrically isolating the interconnect line from other partially underlying contact studs for other electrical features, such...http://www.google.com/patents/US7061115?utm_source=gb-gplus-sharePatent US7061115 - Interconnect line selectively isolated from an underlying contact plug
