Installation of heater into hard disk drive to improve reliability and performance at low temperature
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United States of America Patent
Stats
-
Apr 25, 2006
Grant Date -
May 29, 2003
app pub date -
Nov 26, 2001
filing date -
Nov 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hard disk drive that includes a heater to heat an internal cavity of the drive. The disk drive may also have a temperature sensor to sense the temperature of the internal cavity, and a control circuit to control the heater and maintain the disk drive cavity, to be no less than a threshold temperature. The threshold temperature may correspond to a point where the heads of the drive undergo a significant degradation of performance. Maintaining the disk drive cavity temperature at or above the threshold temperature insures that the heads will not degrade due to temperature.
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