Method and apparatus for electromagnetic shielding and electrostatic discharge protection
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United States of America Patent
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May 2, 2000
Issued Date -
N/A
app pub date -
Apr 12, 1995
filing date -
Jul 31, 1990
priority date (Note) -
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Abstract
The present invention provides protection from electromagnetic interference and electrostatic discharge. The invention teaches a shielding conductor surface enclosure, an interior shielding conductor plane, a contact conductor from the shielding conductor plane and the shielding conductor surface enclosure, a path for electromagnetic signals to pass through a shielding conductor plane, a filter network, and an electrostatic voltage clamp. Protection is provided by filtering the incoming signals, electrically coupling the signals of an undesired bandwidth to a shield barrier, and electrically coupling signals of an undesired voltage to a shield barrier. The shield surface is physically differentiated from the ground plane surface.
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