Patent ID: 6324754
Filing Date: 2001-12-04
Classification: H01L,H05K,Y02P,Y10T

Abstract:
A method of fabricating a microelectronic assembly comprising:providing a component including one or more conductive pads, each said conductive pad including a plurality of solder-wettable strips extending outwardly away from a center, said solder wettable strips being bounded by non solder-wettable material;positioning a conductive element atop at least one of said conductive pads, said conductive element including a solid conductive core and a layer of solder material overlying said solid conductive core, said solid conductive core having a higher melting temperature than said layer of solder material;heating said conductive element for transforming said layer of solder material into a molten state while maintaining said solid conductive core in a solid state, wherein said layer of solder material in the molten state contacts said solid conductive core and said solder-wettable strips; andcooling said conductive element so as to solidify said layer of solder material, wherein said conductive element is electrically interconnected with said at least one of said conductive pads.