Enclosure system for environmental isolation of RF circuitry

Details Enclosure system for environmental isolation of RF circuitry Enclosure system for environmental isolation of RF circuitry

1990-12-24

1992-12-08

Thompson, Gregory D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

174 35R, 174 35GC, 361424, H05K 720, H05K 900

Patent

active

051703211

ABSTRACT:
An enclosure system (100) is disclosed which has a conductive cover shield (102) which is retained in contact with a substrate (104) having a radio frequency (RF) circuit disposed thereon. The enclosure system (100) is made up of a conductive area (116), disposed on the substrate (104) peripherally about the electrical circuit which is then connected to the conductive cover shield (102). This connection allows for substantial horizontal displacement (305, 305') of the substrate material (104). The natural resilience of the substrate (104) material then allows for substantial vertical displacement of the conductive cover shield (102) with respect to the substrate (104) without substantial loss of contact pressure between the conductive cover shield (102) and the conductive area (116). Additionally, this form of connection provides for at least partial isolation of the RF energy from an environment outside of the enclosure system.

REFERENCES:
patent: 4001711 (1977-04-01), Knutson et al.
patent: 4370515 (1983-01-01), Donaldson
patent: 4384165 (1983-05-01), Loving, Jr. et al.
patent: 4831498 (1989-05-01), Baba
patent: 4890199 (1989-12-01), Beatler
patent: 5043848 (1991-08-01), Rogers et al.
White, "Shielding Design Methodolgy and Procedures", Interference Control Technologies, 1986, pp. 4.18-4.26.

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