Electromagnetic shielding member

Details Electromagnetic shielding member Electromagnetic shielding member

1991-04-12

1992-06-09

Picard, Leo P.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

174 35MS, 277901, H05K 900

Patent

active

051209039

ABSTRACT:
In an electromagnetic shielding member, an upper structure and a lower structure are connected integrally by attaching a connecting member covered with a conductive member onto the gripping member of the lower structure. A thin metal strip is inserted as the connecting member between the upper structure and the lower structure. Since the upper structure provides a sufficient resilience against a cover member of an enclosure to which the electromagnetic shielding member is fitted, the gap between the cover member and the enclosure is small, thereby enhancing an electromagnetic shielding effect. The lower structure has a double coated adhesive tape to connect to the enclosure. Instead of using the double coated adhesive tape, the lower structure can have a cavity for receiving an edge of the enclosure at its wall surface. When the enclosure edge engages the cavity of the lower structure, a spring member in the cavity of the lower structure deflects according to the thickness of the edge. The spring member urges the electromagnetic shielding member against the material of the enclosure edge. The electromagnetic shielding member is thus easily and firmly secured onto the enclosure.

REFERENCES:
patent: Re33256 (1990-07-01), Busby
patent: 4659869 (1987-04-01), Busby
patent: 4794218 (1988-12-01), Nakano et al.
patent: 4820885 (1989-04-01), Lindsay
patent: 4857668 (1989-08-01), Budnanno
patent: 4866213 (1989-09-01), Lindsay
patent: 4968854 (1990-11-01), Benn, Sr. et al.
Nuccio et al, Conductive Seal for E.M. Shield, IBM Technical Disclosure Bulletin, vol. 20, No. 1, Jun. 1977.

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