Technique for elimination of static in printed circuit board test fixtures
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Oct 14, 1987
filing date -
Oct 14, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A test fixture for use in computerized automatic test equipment for checking printed circuit boards. Substances are used to constitute some of the test fixture parts and to coat others which are effective in preventing damage from electrostatic charges. The substance must be permanent, substantially independent of humidity for its antistatic characteristics, and have a resistivity in the range of 10.sup.5 -10.sup.10 ohms/sq.
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