Cantilever Structure for Use in Seek-and-Scan Probe Storage
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Sep 10, 2008
filing date -
Aug 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An information storage device comprises a media including a ferroelectric layer formed over a conductive layer, a tip substrate including a bottom actuation electrode, the tip substrate arranged opposite the media, and a cantilever connected with the tip substrate at a fulcrum and actuatable toward the media. The cantilever includes a first portion and a second portion, with the fulcrum located between the first portion and the second portion. The first portion is conductive and arranged over the bottom actuation electrode while a top actuation electrode is associated with the second portion so that the top actuation electrode is opposite the media. A first potential is applied to the bottom actuation electrode to generate electrostatic force between the bottom actuation electrode and the first portion and a second potential is applied to the top actuation electrode to generate electrostatic force between the top actuation electrode and the conductive layer. The cantilever rotates when the first potential and the second potential are applied so that the tip contacts the media.
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