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US 5,208,733 AGranted
Enclosure and printed circuit card with heat sink
AssigneeMerlin Gerin
InventorMichel Besanger
Life of this patent
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Abstract
An electronic device including a card having first and second faces opposite each other, electrical devices including at least one of a printed circuit and a plurality of components fixed to the first face of the card, a metal plate spaced apart from the card such that a gap is formed therebetween, a pulp filled within the gap which is more thermally conductive than air, and a plastic insulating film disposed between the pulp and the card. The card, electrical components, the plastic insulating film and the metal plate form an integrated assembly.
Claims7
An electronic device comprising:
- a card having first and second faces opposite each other;
- electrical devices comprising at least one of a printed circuit and a plurality of components fixed to said first face of said card;
- a metal plate spaced apart from said card such that a gap is formed between said first face and said metal plate;
- pulp filled within said gap, wherein said pulp is more thermally conductive than air;
- and
- a plastic insulating film disposed between said pulp and said card, whereby an integrated assembly of said card, said electrical means, said plastic insulating film and said metal plate is formed.
3 more elements
Dependencies are inferred from the claim text.