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Electromagnetic wave absorber using a dielectric loss sheet, method for forming the electromagnetic wave absorber, and rotary blade for a wind turbine having an electromagnetic wave function using same

A dielectric loss and electromagnetic wave technology, which is applied in the electromagnetic wave absorber, manufactures the wind turbine blade, and manufactures the absorber, can solve problems such as narrow absorption bandwidth, achieve wide absorption bandwidth, reduce production cost, and reduce manufacturing time.

Active Publication Date: 2013-08-21
KOREA INST OF MATERIAL SCI
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  • Description
  • Claims
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Problems solved by technology

[0035] In addition, the absorption bandwidth per unit thickness of the Salisbury screen absorber is narrower than that of the Dallenbach layer absorber

Method used

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  • Electromagnetic wave absorber using a dielectric loss sheet, method for forming the electromagnetic wave absorber, and rotary blade for a wind turbine having an electromagnetic wave function using same
  • Electromagnetic wave absorber using a dielectric loss sheet, method for forming the electromagnetic wave absorber, and rotary blade for a wind turbine having an electromagnetic wave function using same
  • Electromagnetic wave absorber using a dielectric loss sheet, method for forming the electromagnetic wave absorber, and rotary blade for a wind turbine having an electromagnetic wave function using same

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Embodiment Construction

[0099] Referring now to the drawings, the same reference numerals are used throughout to identify the same or similar parts. Next, a description will be given of preferred embodiments of the present invention with reference to the accompanying drawings. Throughout the drawings, the same reference numerals are used to identify the same or similar parts. It will be apparent to those skilled in the art that while the following description sets forth many specific elements, such as concrete elements, they are provided merely to aid in a comprehensive understanding of the invention and that the invention may be practiced without the specific elements. Furthermore, in the description of the present invention, when it is determined that a detailed description of the related art may hinder understanding of the gist of the present invention, its description will be omitted.

[0100] Unless the context clearly indicates otherwise, the words "comprise", "comprising" and the like in the ...

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Abstract

Disclosed is an electromagnetic wave absorber using a dielectric loss sheet, a method for forming the electromagnetic wave absorber, and a rotary blade for a wind turbine having an electromagnetic wave function using same. The electromagnetic wave absorber using a dielectric loss sheet comprises: a support layer for ensuring a resonance cavity for electromagnetic waves; a highly conductive backing layer formed on the back surface of the support layer; and a dielectric-loss composite sheet layer which is arranged on the front surface of the support layer, and which has a complex dielectric constant for generating a resonant peak with the electromagnetic wave reflected from the highly conductive backing layer.

Description

technical field [0001] The present invention relates to the absorption and shielding of electromagnetic waves. More specifically, the present invention relates to an electromagnetic wave absorber exhibiting a wide absorption bandwidth and having a thin support layer necessary to cooperate therewith, while maintaining the advantages of the Salisbury screen absorber in terms of manufacture and structure, and to a The method used to make the absorber. [0002] Furthermore, the present invention relates to a wind turbine blade with electromagnetic wave absorption function, and a method for manufacturing the wind turbine blade, wherein the wind turbine blade with electromagnetic wave absorption function includes an electromagnetic wave absorber, and its dielectric support layer adopts a turbine blade composite material a part of. Background technique [0003] With the development of various electromagnetic devices used in high frequency bands, the wireless communication market ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K9/00F03D11/00
CPCF03D1/06F05B2260/99F03D80/00H05K9/0088Y02E10/72B32B37/24C09J5/00G12B17/02
Inventor 金镇奉金炳善边俊亨黄炳善严文光朴志祥
Owner KOREA INST OF MATERIAL SCI
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