Electromagnetically shielded circuit device and shielding...

Details Electromagnetically shielded circuit device and shielding... Electromagnetically shielded circuit device and shielding...

2007-04-10

2007-04-10

Ngo, Hung V. (Department: 2831)

Electricity: conductors and insulators

Anti-inductive structures

Shielded

C174S377000, C361S816000

Reexamination Certificate

active

10511994

ABSTRACT:
In a method of shielding a circuit device, a circuit board on which an electronic component has mounted and which has a ground connection portion is provided. An entire portion of the circuit board is inserted into a shield pack having a sack shape. The shield pack has an insulating layer as an innermost layer and an electric conductive layer as an outermost layer. The insulating layer of the shield pack is contacted with the electronic component and the circuit board. The ground connection portion of the circuit board is connected to the electric conducive layer of the shield pack.

REFERENCES:
patent: 4858075 (1989-08-01), Butterworth
patent: 5005106 (1991-04-01), Kiku
patent: 5557064 (1996-09-01), Isern-Flecha et al.
patent: 2002/0129951 (2002-09-01), Babb et al.
patent: 0 802 710 (1997-10-01), None
patent: 2 254 193 (1992-09-01), None
patent: 2-45699 (1990-03-01), None
patent: 4-58596 (1992-02-01), None
patent: 4-72698 (1992-03-01), None
patent: 09-051192 (1997-02-01), None
patent: 2000-223647 (2000-08-01), None
patent: 2000-251463 (2000-09-01), None
patent: WO 95/28072 (1995-10-01), None
patent: WO 95/28822 (1995-10-01), None
abstract for JP 2000223647, published Aug. 11, 2000.
abstract for JP4-58596, published Feb. 25, 1992.

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