CPC H01Q 15/08 (2013.01) [B29D 11/00355 (2013.01); B33Y 80/00 (2014.12); H01Q 15/02 (2013.01); B33Y 10/00 (2014.12)] | 23 Claims |
1. A three-dimensional (3D)-printed radio-frequency refractive device, comprising:
a material arranged in a multilayer structure having an inhomogeneous dielectric profile, a geometry of the multilayer structure having uniaxial properties; and
air voids disposed within the multilayer structure of the material, wherein the air voids:
i. are pseudo-randomly disposed within the material;
ii. have diameters that are pseudo-randomly distributed within the material; and
iii. provide an overall air fraction within the material, the overall air fraction configured to provide an effective dielectric constant in regions of the material; and
wherein the air voids have a compressed shape configured to counteract the uniaxial properties of the geometry of the multilayer structure.
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