Shield structure for circuit on circuit board

Details Shield structure for circuit on circuit board Shield structure for circuit on circuit board

1987-12-21

1989-05-16

Tolin, Gerald P.

Electricity: electrical systems and devices

Miscellaneous

174 35GC, 361399, H05K 900

Patent

active

048314986

ABSTRACT:
A shielding structure for a circuit on a circuit board has a conductive box member for enclosing a region of the surface of the circuit board requiring shielding. The edge defining the open side of the conductive box member has a conductive rib protruding therefrom. A conductive pattern member is formed on the surface of the circuit board in the same shape as the edge of the conductive box member so as to encircle the region requiring shielding. The conductive box member is fastened on the circuit board by screws so as to cause the conductive rib to bite into the conductive pattern member and establish good electrical connection therewith. A conductive sheet can be inserted between the conductive box member and the conductive pattern member to further enhance the shielding effect.

REFERENCES:
patent: 2604507 (1952-07-01), Tyson
patent: 3296356 (1967-01-01), McAdams
patent: 4138711 (1979-02-01), Bremenour
patent: 4384165 (1983-05-01), Loving, Jr.
patent: 4464544 (1984-08-01), Klein
patent: 4658334 (1987-04-01), McSparran

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