Applications and fabrication techniques for large scale wire grid polarizers
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United States of America Patent
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Jul 14, 2009
Grant Date -
Jun 8, 2006
app pub date -
Nov 28, 2005
filing date -
Nov 30, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wire grid polarizer may be fabricated by forming plurality of substantially-straight metallic lines of predetermined periodicity Λ on a thin film substrate A plurality of substantially straight nanometer-scale periodic surface relief structures is created on a surface of the substrate. The periodic surface relief structures cover a region greater than about 4 centimeters in length and greater than about 4 centimeters in width, wherein the periodicity Λ is between about 10 nanometers and about 500 nanometers. One or more layers of material are formed on the periodic relief structures. The one or more layers include one or more conductor materials that form the plurality of substantially straight metallic lines over a region of the substrate greater than about 4 centimeters in length and greater than about 4 centimeters in width.
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