Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1994-06-22
1996-03-12
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361758, 361770, 361752, 439604, 174151, 174254, H01R 2368
Patent
active
054991641
ABSTRACT:
A high impact high memory capacity flight data recorder, includes a plurality of planar parallel circuit cards and a plurality of planar parallel spacers stacked in alternating sequence to form a card stack. Each of the circuit cards includes a circuit board, plural integrated circuits mounted on the circuit board, plural connector pads on a periphery of the circuit board connected through the circuit board to output terminals of the integrated circuit memories, a foam layer covering the plural integrated circuit memories and an adjacent portion of the circuit board, the periphery of the circuit board being uncovered by the foam layer. Each of the spacers includes a spacer body coextensive with the periphery of the circuit board and surrounding a void into which the foam layer nests, a lip surrounding the annulus and surrounding a void above the annulus, the annular periphery of the circuit board nesting in the void above the spacer body and plural connector tunnels in registration with the plural connector pads and a button connector in each connector tunnel squeezed between connector pads of adjacent circuit boards. A rigid housing surrounds the plural circuit cards and plural spacers.
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Blanco Alfred R.
Hill-Lindsay Joseph W.
Yuen John T.
Anderson Terry J.
Hoch Jr. Karl J.
Northrop Grumman Corporation
Picard Leo P.
Whang Y.
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