Memory devices, such as random access memory, are affixed to an electrical contact frame and coupled to signals lines on the contact frame which is, in turn, mounted on a top surface of an integrated circuit. The signal leads are coupled to electrical contact pads disposed on the top surface of the integrated...http://www.google.fr/patents/US5869895?utm_source=gb-gplus-shareBrevet US5869895 - Embedded memory assembly
