Mercury probe and method
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United States of America Patent
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May 6, 1986
Issued Date -
N/A
app pub date -
Oct 12, 1983
filing date -
Jan 19, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The disclosed mercury probe has a mercury reservoir and one or more passages extending from the reservoir to an aperture plate for engaging a test wafer. Dross that tends to form at the wafer-contact end of the mercury passage(s) is removed by returning all of the mercury in the passage(s) into the reservoir, where the dross is captured. Means is provided to introduce air into the passage(s) between the reservoir and the aperture(s) of the aperture plate, for disconnecting the mercury-probe segment(s) of the mercury from the reservoir and, where there are plural mercury-probe segments, for disconnecting them from each other.
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