Magnetically deformable ferrofluids and mirrors
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United States of America Patent
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May 21, 2013
Grant Date -
Nov 4, 2010
app pub date -
Apr 24, 2008
filing date -
Apr 25, 2007
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Abstract
There is provided a process for the preparation of a suspension of magnetic particles in a polar carrier liquid. The process includes the step of: coating the surface of the magnetic particles with an organic ligand having a hydrophilic chain prior to the suspension. For preparing a magnetically deformable mirror, the suspension of magnetic particles in a polar carrier liquid is coated with a reflective surface layer. A ferrofluid includes a suspension of magnetic particles coated with an organic ligand having a hydrophilic chain in a polar carrier liquid.
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