A support circuit is adapted to be mechanically and electrically coupled to a semiconductor chip such that the support circuit and the chip in combination form a semiconductor chip assembly. The support circuit includes an insulative base and a conductive trace embedded in the insulative base. The conductive...http://www.google.de/patents/US6627824?utm_source=gb-gplus-sharePatent US6627824 - Support circuit with a tapered through-hole for a semiconductor chip assembly
