Patent 7343674 was granted and assigned to Endicott Interconnect Technologies, Inc. on March, 2008 by the United States Patent and Trademark Office.
A method of making a circuitized substrate assembly wherein the assembly includes individual circuitized substrates bonded together. The substrates each include at least one opening, and a cover is placed over one of the openings and a quantity of conductive paste is positioned thereon prior to bonding the substrates. At least some of the paste is then forced up into an opening in the other substrate as a result of the bonding.