Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1994-01-24
1995-08-29
Picard, Leo P.
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
174 524, H05K 0100
Patent
active
054462460
ABSTRACT:
A semiconductor ceramic packaging substrate has the usual vias of sintered electrically conductive metal extending through the substrate. There are the usual metal conductor lines comprising conductive elements on the surface of the substrate. Each via is connected to the conductive elements in a predetermined pattern through a conductive via cap on the surface of the ceramic package. The caps join each conductive element and each via. The cap has a width substantially larger than the diameter of the via at the point of contact of the via and the conductive element in contact with it. The caps are also substantially thicker and wider than the conductive elements.
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Desai Kamalesh S.
DiAngelo Donald W.
Ahsan Aziz M.
Figlin Cheryl R.
International Business Machines - Corporation
Jones II Graham S.
Picard Leo P.
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