High density data storage system with topographic contact sensor
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United States of America Patent
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Jul 16, 1996
Issued Date -
N/A
app pub date -
Nov 24, 1993
filing date -
Nov 15, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high density data storage system includes a rotatable storage medium mounted to rotate about a drive axis, the storage medium having formed thereon a surface topography defining machine readable information. The storage system further includes a high resolution contact sensor having a cantilever arm and a stylus mounted at one end of the cantilever arm. The stylus is positionable to engage the storage medium and follow the surface topography when the storage medium is rotated. A detector system provides an output signal representing cantilever deflection caused by changes in the surface topography of the storage medium.
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