Electromagnetic wave absorption device
AssigneeElectronics and Telecommunications Research Institute
InventorsYong-Duck Chung, Woo Jung Lee, Daehyung Cho, Tae-Ha Hwang
Life of this patent
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Abstract
Provided is an electromagnetic wave absorption device. The electromagnetic wave absorption device includes a substrate and an electromagnetic wave absorption layer on the substrate. The electromagnetic wave absorption layer contains a chalcogenide material. The electromagnetic wave absorption layer contains Bi, Sb, Bi2Se3, Bi2Te3, Sb2Te3, Bi1-xSbx, Bi1.1Sb0.9Te2S, or (Bi,Sb)2(Se,Te,S)3. The electromagnetic wave absorption layer is on an entire surface of an upper surface of the substrate.
Claims15
An electromagnetic wave absorption device comprising:
- a substrate;
- and
- an electromagnetic wave absorption layer on the substrate,
- wherein the electromagnetic wave absorption layer includes a topological insulator layer and absorption patterns on the topological insulator layer, and
- wherein the electromagnetic wave absorption layer contains a chalcogenide material.
A mobile phone, comprising:
- a rear case;
- a heat dissipation layer within the rear case;
- an electromagnetic wave absorption device on the heat dissipation layer, the electromagnetic wave absorption device including:
- a substrate,
- a topological insulator layer on the substrate, the topological insulator layer containing a chalcogenide material, and
- absorption patterns on the topological insulator layer;
- and
- semiconductor elements on the electromagnetic wave absorption device.
Dependencies are inferred from the claim text.