Process for forming reflective polarizer
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United States of America Patent
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Oct 12, 1999
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app pub date -
Oct 28, 1997
filing date -
Dec 21, 1993
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Abstract
A method of forming a reflective polarizer comprising orienting a multilayer film formed from alternating layers of a first polymeric material and a second polymeric material in a first in-plane axis direction while allowing dimensional relaxation in an orthogonal second in-plane axis direction to produce specified differences in the refractive indices of the first and second polymeric materials in the first and second in-plane directions and in the thickness direction.
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