METHOD AND DEVICE FOR DETECTING FERROELECTRIC POLARIZATION
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Feb 12, 2008
filing date -
Feb 12, 2008
priority date (Note) -
Abandoned
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Abstract
An information storage device comprises a ferroelectric media and a cantilever including a tip extending from the cantilever toward the ferroelectric media, and a capacitive sensor formed over the cantilever. The tip applies a probe voltage to the ferroelectric media and the capacitive sensor vibrates according to a response of the ferroelectric media to the probe voltage. Circuitry determines a polarization of the ferroelectric media based on the vibration of the capacitive sensor.
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