Optical-modulation object
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United States of America Patent
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Mar 24, 2015
Grant Date -
Aug 5, 2010
app pub date -
Jan 26, 2010
filing date -
Jan 30, 2009
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Abstract
Disclosed is an optical-modulation object, including birefringent island-in-the-sea yarns, whose island portions are grouped, based on two or more spinning cores, in a matrix. The optical-modulation object causes formation of an optical modulation interface between island portions and sea portions, thus maximizing optical modulation efficiency, as compared to conventional birefringent island-in-the-sea yarns.
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