Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1984-08-31
1985-09-17
Grimley, A. T.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
26427217, 361395, 361399, H05K 500
Patent
active
045422605
ABSTRACT:
An encapsulated assembly of electric components (12) on a board (11) wherein the board and components are encapsulated in a mass of silicone rubber (17) which rubber mass is in turn encapsulated in a mass of rigid epoxy resin compound (21) which is partially supported by pillars (13) which are mounted on the board and extend outwardly to the surface of the mass of foamed silicone rubber, electrical connection to the components being provided by connector pins (15) extending through both encapsulations.
REFERENCES:
patent: 3778685 (1973-12-01), Kennedy
patent: 4066839 (1978-01-01), Cossutta et al.
GEC Avionics Limited
Grimley A. T.
Tone D. A.
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