Earthed intermediate frame for circuit boards

Details Earthed intermediate frame for circuit boards Earthed intermediate frame for circuit boards

1991-12-05

1993-10-12

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

174 35R, 257686, 439108, 361744, 361760, 361816, H05K 114

Patent

active

052531465

ABSTRACT:
An earthed intermediate frame (2) fitted between circuit boards (1) is provided with through apertures (8) for connectors (4) connecting the circuit boards (1), and grooves (6) are provided in register with the signal runs (5) on the surface of the circuit board (1), located on the surface of the intermediate frame (2) placed against the surface of the circuit board. The intermediate frame made of a metal or the surfaces of the apertures (8) surrounding the connectors (4) connecting the circuit boards (1) and of the grooves (6) covering the signal runs (5) of the circuit board (1) have been coated with an earthed metal folio (7).

REFERENCES:
patent: 4747019 (1988-05-01), Ito et al.

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