Probe card
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United States of America Patent
Stats
-
Jun 21, 2005
Grant Date -
Jul 22, 2004
app pub date -
Jan 12, 2004
filing date -
Jan 18, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A probe card is provided which includes a plurality of stacked signal printed circuit boards for transmitting signals, and a plurality of ground printed circuit boards respectively interposed between the signal printed circuit boards. To reduce ground noise, each of the ground printed circuit boards includes a plurality of conductive ground regions which are insulated from each other.
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