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Solder medium for circuit interconnection

  • US 5,509,815 A
  • Filed: 06/08/1994
  • Issued: 04/23/1996
  • Est. Priority Date: 06/08/1994
  • Status: Expired due to Term
First Claim
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1. An electronic device comprising a pair of components with mating contact pads, said contact pads being in juxtaposed alignment each to another, and mating solder joints electrically and mechanically interconnecting said mating contact pads, wherein each of said solder joints is a high-aspect-ratio subdivided solder joint structure comprising a plurality of subdivided solder paths between said mating contact pads, said solder joints being formed by embedding a plurality of solder wires longitudinally in an insulating matrix, deforming said insulating matrix so as to elongate said insulating matrix and to reduce the diameter of said plurality of solder wires, and cutting said elongated insulating matrix transverse to its longitudinal axis into slices, the length of said slices being determined by a spacing between said mating pads, said ratio between the length of each wire and its diameter being at least 2:

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