Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2008-07-15
2008-07-15
Tugbang, A. Dexter (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S603100, C029S603090, C029S603120, C360S031000
Reexamination Certificate
active
07398590
ABSTRACT:
The present invention relates to a method of manufacturing low-density gas-filled disk drives involving test equipment utilized to determine gas leaks occurring in disk drives subjected to shock and vibration events. A disk drive is placed in a sealed container, which, in turn, is connected to a gas detection device. Following shock or vibration testing, the gas detection device determines if a leak has occurred, as well as the quality of gas leaked from the disk drive. The present invention also involves a test apparatus designed to check the accuracy and calibration of associated gas detection devices used during the shock and vibration tests. The test apparatus utilizes a sealed test chamber containing a known quantity of gas, which is released during a test event. Knowing the quantity of gas released, the output of the gas detection device can be monitored and calibrated as needed.
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Maxtor Corporation
Nguyen Tai
Tugbang A. Dexter
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