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US 2023/0399516 A1Published application
Radar transmissive pigments, coatings, films, articles, method of manufacture thereof, and methods of use thereof
AssigneePPG Industries Ohio, Inc.
InventorsScott J. Moravek, Eldon L. Decker, Calum H. Munro, David R. Fenn, Nicolas B. Duarte, Daniel Connor, Hao Sun
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Abstract
Radar transmissive pigments, coatings, films, articles, method of manufacture thereof, and methods of use thereof are provided. The pigment comprises a non-conductive composite. The non-conductive composite comprises a semiconductor and/or a dielectric, and a metal dispersed in and/or on the semiconductor and/or dielectric. The pigment has an aspect ratio of at least 5 as measured by the Aspect Ratio Test.
Claims32
A pigment comprising:
- a non-conductive composite comprising:
- a semiconductor and/or a dielectric, and
- a metal dispersed in and/or on the semiconductor and/or dielectric,
- wherein the pigment has an aspect ratio of at least 5, wherein the aspect ratio is an average lateral size of the pigment divided by an average thickness of the pigment.
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Dependencies are inferred from the claim text.