Method and system for detecting leak in electronic devices
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United States of America Patent
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Nov 27, 2007
Grant Date -
Mar 30, 2006
app pub date -
Mar 25, 2005
filing date -
Sep 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The methods and systems for testing electronic devices for leak detection are provided. In one method of detecting a leak in a sealed package, a sealed package is placed in a test gas environment, allowing the test gas to diffuse into an internal space of the sealed package through a leak formed in the sealed package. Thereafter, the sealed package is placed in an environment substantially free of the test gas and allowing the test gas to diffuse out of the internal space. The amount of the test gas in the test gas-free environment is detected. Based on the information obtained from the detection, it is determined whether the sealed package has one or more unintended leaks based on information obtained from the detecting.
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