Vertical probe array arranged to provide space transformation
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United States of America Patent
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May 31, 2011
Grant Date -
Aug 13, 2009
app pub date -
Apr 7, 2009
filing date -
Apr 10, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Improved probing of closely spaced contact pads is provided by an array of vertical probes having all of the probe tips aligned along a single contact line, while the probe bases are arranged in an array having two or more rows parallel to the contact line. With this arrangement of probes, the probe base thickness can be made greater than the contact pad spacing along the contact line, thereby advantageously increasing the lateral stiffness of the probes. The probe tip thickness is less than the contact pad spacing, so probes suitable for practicing the invention have a wide base section and a narrow tip section.
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