Electromagnetic interference shielding for a printed circuit...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Reexamination Certificate

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C361S794000, C174S521000

Reexamination Certificate

active

07443693

ABSTRACT:
The present invention provides shielded printed circuit boards and electronic devices. The printed circuit board may comprise an internal network of grounded conductive elements that are coupleable to an EMI shield that is mounted on the printed circuit board. The network of grounded conductive elements are coupleable to a grounded layer and to the EMI shield and provides improved EMI shielding through the volume of the printed circuit board below an electronic component mounted on the printed circuit board.

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US 5,639,898, 06/1997, Higgins (withdrawn)
U.S. Appl. No. 09/685,969, filed Oct. 10, 2000, Janik et al.
U.S. Appl. No. 10/789,176, filed Feb. 26, 2004, Zarganis et al.

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