US 12,191,569 B2
Wave control medium, wave control element, wave control device, and method for manufacturing wave control medium
Eri Igarashi, Tokyo (JP); Nobuhiko Umezu, Tokyo (JP); Atsushi Yamada, Tokyo (JP); and Mari Ichimura, Tokyo (JP)
Assigned to Sony Group Corporation, Tokyo (JP)
Appl. No. 17/922,141
Filed by Sony Group Corporation, Tokyo (JP)
PCT Filed Apr. 14, 2021, PCT No. PCT/JP2021/015403
§ 371(c)(1), (2) Date Oct. 28, 2022,
PCT Pub. No. WO2021/220808, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 2020-081510 (JP), filed on May 1, 2020.
Prior Publication US 2023/0216206 A1, Jul. 6, 2023
Int. Cl. H01Q 15/00 (2006.01); H01Q 17/00 (2006.01); H01P 7/00 (2006.01)
CPC H01Q 15/0086 (2013.01) [H01Q 17/002 (2013.01); H01P 7/005 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A wave control medium comprising at least two three-dimensional microstructures in combination, each of the three-dimensional microstructures including any one of a metal, a dielectric material, a magnetic material, a semiconductor, and a superconductor, or a material selected from a plurality of combinations of a metal, a dielectric material, a magnetic material, a semiconductor, and a superconductor, the wave control medium having functions of a capacitor and an inductor, wherein a distance of the wave control medium in a longitudinal direction is less than 1/10 of a wavelength of a wave, and a fractional bandwidth of a response is 30% or more.