Pressure measurement method for gas leakage from sealed packages
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United States of America Patent
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Sep 17, 2002
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N/A
app pub date -
Nov 24, 2000
filing date -
Nov 24, 2000
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Abstract
A non-destructive method for testing sealed packages for leakage, particularly packages having a gas-permeable portion and a non-gas-permeable portion, by applying a temporary barrier over the gas-permeable portion, wherein the temporary barrier has an aperture, and connecting the aperture to a pressure monitor, and recording the pressure drop in the sealed package, via the aperture, for a predetermined time.
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