Optical hard disk drive having a phase-change microhead array chip
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United States of America Patent
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Aug 24, 2010
Grant Date -
Aug 28, 2003
app pub date -
Jul 23, 2002
filing date -
Jul 23, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical data-storage hard disk drive that uses stationary Phase-Change Microhead Array Chips in place of conventional flying-heads, rotary voice-coil actuators, or other similar types of servo-tracking mechanisms to simultaneously record and/or reproduce data to and/or from a multitude of data-tracks located across the data-surfaces of a multitude of phase-change based disc media using a multitude of microheads.
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