Unitary die-cast assembly for electronic circuits

Details Unitary die-cast assembly for electronic circuits Unitary die-cast assembly for electronic circuits

H - Electricity

05

K

347/1

H05K 5/04 (2006.01) H05K 5/03 (2006.01) H05K 7/00 (2006.01)

Patent

CA 1161936

Abstract A unitary die-cast for housing electronic circuits includes one or more compartments or cavities adapted to receive a circuit boards therein. A compartment with a cavity includes a post centrally located in the bottom and extending upwardly in the middle of the cavity. A fastening device, such as a screw, is used to forcibly affix a rigid but flexible cover onto the housing at the center post. The cast and the cover are made of elec- trically conductive but acoustically dampening material. When the cover is forcibly affixed to cover the cavity, the cover and the chassis provide an acoustically and microphonically dampened housing for the circuit placed therein. The cast includes a wall separating the com- partments, and the wall has a cavity along the length thereof and substantially co-extensive therewith for providing a thermal separation between the compartments whereby the wall acts as a thermal insulator.

377414

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