Remotely addressable magnetic composite micro-actuators

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United States of America Patent

PATENT NO 9281112
APP PUB NO 20140225694A1
SERIAL NO

14180427

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Abstract

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The present invention describes methods to fabricate actuators that can be remotely controlled in an addressable manner, and methods to provide remote control such micro-actuators. The actuators are composites of two permanent magnet materials, one of which is has high coercivity, and the other of which switches magnetization direction by applied fields. By switching the second material's magnetization direction, the two magnets either work together or cancel each other, resulting in distinct “on” and “off” behavior of the devices. The device can be switched “on” or “off” remotely using a field pulse of short duration.

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Patent Owner(s)

  • CARNEGIE MELLON UNIVERSITY;CARNEGIE MELLON UNIVERSITY, A PENNSYLVANIA NON-PROFIT CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diller, Eric Toronto, CA 6 22
Miyashita, Shuhei Boston, US 8 20
Sitti, Metin Pittsburgh, US 45 485

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