One piece open and closable metal RF shield

Details One piece open and closable metal RF shield One piece open and closable metal RF shield

1995-03-31

1997-03-25

Ledynh, Bot L.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

H05K 900

Patent

active

056146949

ABSTRACT:
An RF shield for use on tightly packed printed circuit boards has a normally-closed lid that can be opened to provide repair access to shielded components and then reclosed. The shield is a five-sided metal can having a top surface (12) with a lid defined on one edge by a fold line (20) and on the other three edges by partial shear lines (22, 24, 26) through the thickness of the metal top surface. The shear lines define frangible connections between the lid and top surface (18) that can be severed to allow the lid to open. The fold line serves as a hinge about which the lid can pivot for opening. Upon closing the lid can be spot-soldered to hold it shut.

REFERENCES:
patent: 2488710 (1949-11-01), Cooper
patent: 4370515 (1983-01-01), Donaldson
patent: 4816613 (1989-03-01), Ito et al.
patent: 4901911 (1990-02-01), Drexhage
patent: 5316165 (1994-05-01), Moran, Jr.
patent: 5355998 (1994-10-01), Bienaime
patent: 5365410 (1994-11-01), Lonka

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