Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1993-01-14
1994-05-17
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
174 35R, 174 35MS, 29 2535, 228121, 228215, 427239, 4551541, 4551581, 4551831, H05K 900
Patent
active
053133714
ABSTRACT:
A shielding apparatus for use with a non-conductive package has an insulated lid (102) which is retained in contact with a substrate (104) for holding an electrical circuit. The shielding apparatus includes a first conductive flash (201) deposited on the interior surface of the insulated lid (102), to produce a substantially contiguous conduction layer, and a second conductive flash (203) deposited over a film (110) disposed on the edge of the insulated lid (102), to produce a partially contiguous conduction layer. The shielding apparatus also includes a layer (108) for affixing the insulated lid (102) to the substrate (104), to produce an enclosure for isolating the electrical circuit from extraneous radio frequency (RF) energy.
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Achille Jean-Robert
Knecht Thomas A.
Mancini Brian M.
Sieben David J.
Coffing James A.
Krause Joseph P.
Motorola Inc.
Picard Leo P.
Sparks Donald A.
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