Magnetic materials
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
N/A
app pub date -
Oct 9, 2001
filing date -
Apr 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A memory element comprising nanomagnets having a rotational symmetry selected in order to provide high remanence and a suitable coercivity. There is also a sensor element comprising nanomagnets having a rotational symmetry selected such that they are superparamagnetic and exhibit substantially zero hysteresis so that a magnetisation of the nanomagnets depends only on the current value of applied field and not on the field history.
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