MANUFACTURING OF DIFFRACTIVE PIGMENTS BY FLUIDIZED BED CHEMICAL VAPOR DEPOSITION
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United States of America Patent
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Issued Date -
Oct 26, 2017
app pub date -
Jul 10, 2017
filing date -
Aug 16, 2011
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Abstract
Microstructured pigments include a dielectric core having a diffraction grating. The microstructured dielectric core is encapsulated with one or more encapsulation layers which are deposited using chemical vapor deposition in a fluidized bed. The fluidizing conditions allow for providing uniform and highly-conforming encapsulation layers.
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