Quick DC compressive strength test method and the related apparatus
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United States of America Patent
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Oct 27, 1998
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N/A
app pub date -
Jun 5, 1997
filing date -
Jun 5, 1997
priority date (Note) -
Expired
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Abstract
An output open circuit test method including the steps of inputting the data of a predetermined charging current upper limit value and a predetermined test voltage and a predetermine test charging current time zone into a test apparatus, then employing a high voltage to the test sample, and then driving the test apparatus to measure the current between two ends of the test sample and to compare the measured current value with the predetermined charging current upper limit value, and then letting the test apparatus to start testing the leakage current of the test sample when the measured current value is below the predetermined charging current upper limit value.
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