PRINTED CIRCUIT BOARD WITH A SCREEN
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United States of America Patent
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-
N/A
Issued Date -
Jun 21, 2012
app pub date -
Dec 16, 2011
filing date -
Dec 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A printed circuit board having a generally box-like carrier plate with a top side and an underside. The board has at least first and second conductor track plane separated by a first distance and an electrical circuit which occupies at least one section of the carrier plate. The section contains a screen for protecting the circuit from electromagnetic interference. The screen has a first screening conductor track which is arranged on the first conductor track plane and surrounds the section, and a second screening conductor track which is arranged on the second conductor track plane and also surrounds the section. The first and second screening conductor tracks are congruent at least in a circumferential region which surrounds the circuit. The screen has, in the circumferential region, a plurality of plated-through holes which penetrate the carrier plate and connect the first and second screening conductor tracks.
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