SEED STRUCTURES FOR STRUCTURED COATINGS FOR OPTICAL AND OTHER DEVICES
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United States of America Patent
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Mar 30, 2023
app pub date -
May 13, 2020
filing date -
May 13, 2020
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A method includes providing a coating over a surface of a substrate, a plurality of seed structures being disposed on the surface of the substrate, in which respective heights of the seed structures define local thicknesses of the coating. An optical device includes a substrate, a plurality of seed structures on a surface of the substrate, and a coating on the seed structures and on the surface of the substrate, in which respective heights of the seed structures define local thicknesses of the coating.
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