Electronic card assembly by means of solder connections

Details Electronic card assembly by means of solder connections Electronic card assembly by means of solder connections

1996-12-06

1999-07-20

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361737, 361743, 361768, 257686, 257724, 174263, 29831, 29839, H05K 114

Patent

active

059263792

ABSTRACT:
A unitary assembly of electronic cards has a base printed card carrying electronic microcomponents having outputs distributed at a first pitch and at least one core printed card having a size smaller than that of the base printed card, carrying microcomponents. Some at least of the microcomponents have outputs distributed at a pitch smaller than the first pitch. Several electrically conductive solder beads, distributed according to a two-dimensional array, mechanically and electrically connect the core printed card and the base printed card.

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Motorola Technical Developments, vol. 14, Dec. 1991, Schaumburg, Illinois, U.S. pp. 27-28, XP000276140, K.P. Gore et al.: "Mechanical alignment of C5 ICs with three corner peg concept using larger solder spheres". (Whole document).

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