Movement amount operation correction method for prober, movement amount operation correction processing program, and prober
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United States of America Patent
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Mar 10, 2009
Grant Date -
Nov 30, 2006
app pub date -
Apr 27, 2006
filing date -
May 31, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A movement amount operation correction method of a prober capable of easily performing an error measurement for the movement distance. In the method, the position of a probe of a probe card is detected by a probe position detection means, the position of an electrode is detected by a wafer alignment means, the position of the probe trace is detected by bringing the electrode into contact with the probe and processing an image of a probe trace on the electrode touched by the wafer alignment means, the image of the probe trace and a probe trace mark indicating the detected position of the probe are displayed on a display device, and an operator confirms or corrects the position of the probe trace mark on the image, calculates a shift of the position of the probe trace mark from a predetermined position, and corrects a movement amount operation correction value based on the calculated shift.
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