Artificial medium, its manufacturing method, and antenna device
First Claim
1. An artificial medium on which two or more conductive surfaces are provided in a thickness direction, the conductive surface being provided with conductive elements in a two-dimensional periodic array,wherein when an electromagnetic wave propagated in parallel to the thickness direction is incident on the artificial medium, a current excited by the electromagnetic wave increases in an operation frequency, and a current loop is formed in a surface parallel to the thickness direction.
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Accused Products
Abstract
An artificial medium on which two or more conductive surfaces are provided in a thickness direction, the conductive surface being provided with conductive elements in a two-dimensional periodic array, wherein when an electromagnetic wave propagated in parallel to the thickness direction is incident on the artificial medium, a current excited by the electromagnetic wave increases in an operation frequency, and a current loop is formed in a surface parallel to the thickness direction is provided.
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Citations
25 Claims
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1. An artificial medium on which two or more conductive surfaces are provided in a thickness direction, the conductive surface being provided with conductive elements in a two-dimensional periodic array,
wherein when an electromagnetic wave propagated in parallel to the thickness direction is incident on the artificial medium, a current excited by the electromagnetic wave increases in an operation frequency, and a current loop is formed in a surface parallel to the thickness direction.
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18. A method of manufacturing an artificial medium, comprising the steps of:
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preparing dielectric substrates each having a conductive surface on which conductive elements are disposed; and forming an artificial medium by laminating the dielectric substrates in a thickness direction, wherein the step of preparing the dielectric substrate includes a step of disposing the conductive elements in the respective dielectric substrates such that a current loop is formed in a plane parallel to the thickness direction, when an electromagnetic wave propagated in a direction parallel to the thickness direction is incident on the artificial medium. - View Dependent Claims (19, 20, 21)
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22. An artificial medium comprising:
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a dielectric layer; and a single conductive element which is provided on each of front and rear surfaces of the dielectric layer, wherein the respective conductive elements have substantially the same shape and dimensions, and are uniformly positioned along a thickness direction of the dielectric layer, and wherein when an electromagnetic wave propagated in a direction parallel to the thickness direction is incident, a current loop is formed on a region in which the conductive elements face each other with the dielectric layer interposed therebetween in the thickness direction. - View Dependent Claims (23, 24, 25)
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Specification