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October 1, 2011

Considerations When Correlating VX3 to VX4 Measurements

With its large installed base, Rudolph’s PrecisionPoint VX3 Probe Card Test and Analysis System has become a well-accepted standard for probe card analysis. However, a number of design improvements incorporated in its successor, the PrecisionWoRx VX4, can introduce differences in the results reported by the two systems. It is important to understand the sources of these discrepancies in order to reconcile differences in the results and draw valid conclusions about the tested probe cards.

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