Apparatus and method for polishing an edge of an article using magnetorheological (MR) fluid
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United States of America Patent
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Sep 1, 2015
Grant Date -
Oct 3, 2013
app pub date -
Nov 15, 2011
filing date -
Nov 15, 2010
priority date (Note) -
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Abstract
Disclosed is a method and apparatus for polishing an edge of an article involving providing at least one carrier including: first and second opposing surfaces defining a groove, the first and second opposing surfaces being spaced apart in a first direction to receive the edge; and magnetic field generator configured to provide a magnetic field in the groove to stiffen magnetorheological (MR) fluid disposed in the groove to provide at least one polishing zone; receiving the edge in the polishing zone; and driving relative motion between the at least one carrier and the edge in a second direction substantially transverse to the first direction.
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