Corrosion resistant wire-grid polarizer and method of fabrication
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United States of America Patent
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Aug 31, 2004
Grant Date -
Dec 11, 2003
app pub date -
May 9, 2002
filing date -
May 9, 2002
priority date (Note) -
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Abstract
A polarizing device, such as a wire-grid polarizer, includes a substantial mono-layer of a corrosion inhibitor without adversely affecting the optical properties of the polarizing device. The polarizing device can include an optical element and a nano-structure, such as an array of a plurality of spaced-apart, elongated elements disposed on a substrate. The corrosion inhibitor is chemically bonded to surfaces of the elements to form the mono-layer. The mono-layer can have a thickness less than 100 Angstroms. A method of forming the substantial mono-layer can include treating the polarizing device with an amino phosphonate, such as a nitrilotris (methylene) triphosphonic acid.
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