WO2009038174A1 - 電磁波吸収体及び電磁波吸収方法 - Google Patents

電磁波吸収体及び電磁波吸収方法 Download PDF

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Publication number
WO2009038174A1
WO2009038174A1 PCT/JP2008/066978 JP2008066978W WO2009038174A1 WO 2009038174 A1 WO2009038174 A1 WO 2009038174A1 JP 2008066978 W JP2008066978 W JP 2008066978W WO 2009038174 A1 WO2009038174 A1 WO 2009038174A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic wave
wave absorber
highly
electromagnetic
base material
Prior art date
Application number
PCT/JP2008/066978
Other languages
English (en)
French (fr)
Inventor
Katsuya Kume
Masataka Tada
Fuyuki Eriguchi
Takezo Hatanaka
Yuuki Fukuda
Toshinobu Hoshino
Osamu Hashimoto
Yuichi Sakumo
Original Assignee
Nitto Denko Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corporation filed Critical Nitto Denko Corporation
Priority to US12/673,291 priority Critical patent/US20110147073A1/en
Priority to CN200880107877A priority patent/CN101803490A/zh
Priority to DE112008002537T priority patent/DE112008002537T5/de
Publication of WO2009038174A1 publication Critical patent/WO2009038174A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0072—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity one dimensional, i.e. linear or dendritic nanostructures
    • H01F1/0081—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity one dimensional, i.e. linear or dendritic nanostructures in a non-magnetic matrix, e.g. Fe-nanowires in a nanoporous membrane

Abstract

　高誘電性材料で形成されるとともに立方体形状を有する基材と、高磁性材料で形成されるとともに基材の内部において３方向に形成された各長孔に充填された充填材とが複合した複合体によって電磁波吸収体を成形し、各高誘電性材料及び高磁性材料をそれぞれ三次元的に連続させた構造とする。それにより、低周波の電磁波を含む広帯域の電磁波に対して高い電磁波吸収特性を備え、薄膜且つ軽量化を実現した電磁波吸収体及び電磁波吸収方法を提供する。
PCT/JP2008/066978 2007-09-20 2008-09-19 電磁波吸収体及び電磁波吸収方法 WO2009038174A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/673,291 US20110147073A1 (en) 2007-09-20 2008-09-19 Electromagnetic radiation absorber and method for absorbing electromagnetic radiation
CN200880107877A CN101803490A (zh) 2007-09-20 2008-09-19 电磁波吸收体及电磁波吸收方法
DE112008002537T DE112008002537T5 (de) 2007-09-20 2008-09-19 Absorptionsmittel für elektromagnetische Strahlung und Verfahren zum Absorbieren elektromagnetischer Strahlung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-243749 2007-09-20
JP2007243749 2007-09-20

Publications (1)

Publication Number Publication Date
WO2009038174A1 true WO2009038174A1 (ja) 2009-03-26

Family

ID=40467983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066978 WO2009038174A1 (ja) 2007-09-20 2008-09-19 電磁波吸収体及び電磁波吸収方法

Country Status (6)

Country Link
US (1) US20110147073A1 (ja)
JP (1) JP2009094502A (ja)
CN (1) CN101803490A (ja)
DE (1) DE112008002537T5 (ja)
TW (1) TW200938073A (ja)
WO (1) WO2009038174A1 (ja)

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CN102893715A (zh) * 2010-05-10 2013-01-23 韩国机械研究院 宽频电磁波吸收体及其制造方法

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CN102480037B (zh) * 2011-07-29 2013-08-07 深圳光启高等理工研究院 一种超材料的制备方法及超材料
CN102709708A (zh) * 2012-06-28 2012-10-03 中国人民解放军国防科学技术大学 具有周期结构的电磁吸波材料及其制备方法
CN103778985B (zh) * 2012-10-25 2017-08-25 齐红波 防辐射吸波粉及其制备方法以及限幅削波装置
US9963111B1 (en) * 2017-08-29 2018-05-08 Harmoniks, Inc. Combustion engine electromagnetic energy disruptor
US10374281B2 (en) 2017-12-01 2019-08-06 At&T Intellectual Property I, L.P. Apparatus and method for guided wave communications using an absorber
WO2019156785A1 (en) * 2018-02-06 2019-08-15 Exxonmobil Research And Engineering Company Estimating phase fraction/distribution with dielectric contrast analysis
EP3797453A1 (en) * 2018-05-23 2021-03-31 Medfield Diagnostics AB Solution for absorption of microwaves
CN109728442B (zh) * 2018-11-19 2020-10-16 浙江大学 一种基于电谐振单元的固态电磁真空材料
WO2020166628A1 (ja) * 2019-02-13 2020-08-20 国立大学法人東京大学 回路基板、アンテナ素子、基板内蔵用ミリ波吸収体、及び、回路基板のノイズ低減方法
KR102159694B1 (ko) * 2019-04-09 2020-09-24 국방과학연구소 고 유전율 구현을 위한 3차원 미세 기공 구조의 전기 전도성 재료
CN113067166B (zh) * 2021-03-23 2024-04-12 广东顺德西安交通大学研究院 一种超薄耐高温宽频吸波体、吸波板及零件
CN115862726B (zh) * 2023-02-27 2023-05-02 西南交通大学 一种基于介电常数基因组的吸波材料设计方法

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JPH0426195A (ja) * 1990-05-21 1992-01-29 Mitsubishi Electric Corp 電波吸収性構造体
JPH05251888A (ja) * 1992-03-06 1993-09-28 Fuji Elelctrochem Co Ltd 薄型狭帯域電波吸収体
JPH06283878A (ja) * 1993-03-26 1994-10-07 Kansai Paint Co Ltd 電波吸収体
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JPH03131091A (ja) * 1989-10-17 1991-06-04 Ndc Co Ltd 電波吸収材料
JPH0426195A (ja) * 1990-05-21 1992-01-29 Mitsubishi Electric Corp 電波吸収性構造体
JPH05251888A (ja) * 1992-03-06 1993-09-28 Fuji Elelctrochem Co Ltd 薄型狭帯域電波吸収体
JPH06283878A (ja) * 1993-03-26 1994-10-07 Kansai Paint Co Ltd 電波吸収体
JPH1140973A (ja) * 1997-07-22 1999-02-12 Kitagawa Ind Co Ltd 電磁シールド用ワイヤメッシュ
JP2000261181A (ja) * 1999-03-10 2000-09-22 Tech Res & Dev Inst Of Japan Def Agency 液体多孔質電波吸収材料及び吸収体
JP2001351826A (ja) * 2000-06-06 2001-12-21 Matsushita Electric Ind Co Ltd 耐還元性誘電体組成物及びそれを用いた積層セラミックコンデンサ
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102893715A (zh) * 2010-05-10 2013-01-23 韩国机械研究院 宽频电磁波吸收体及其制造方法
CN102893715B (zh) * 2010-05-10 2015-07-01 韩国机械研究院 宽频电磁波吸收体及其制造方法

Also Published As

Publication number Publication date
JP2009094502A (ja) 2009-04-30
TW200938073A (en) 2009-09-01
DE112008002537T5 (de) 2010-07-15
US20110147073A1 (en) 2011-06-23
CN101803490A (zh) 2010-08-11

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