CIRCUIT BOARD WITH AIR HOLE
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United States of America Patent
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Issued Date -
Mar 28, 2013
app pub date -
Nov 18, 2010
filing date -
Nov 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A circuit board includes a first and second ground layer and a plurality of signal vias extending between the ground layers but not electrical contact therewith. Ground vias coupled to the first and second ground layers can be positioned adjacent signal vias and can include ground traces that extend between adjacent ground vias. Air holes can be positioned between signal vias and/or adjacent signal vias to modify the electrical performance of the circuit board. Ground wings can be used to help tune common-mode and/or differential-mode impedances.
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