CN1128485C - 电磁波吸收板及其制造材料 - Google Patents

电磁波吸收板及其制造材料 Download PDF

Info

Publication number
CN1128485C
CN1128485C CN98800025A CN98800025A CN1128485C CN 1128485 C CN1128485 C CN 1128485C CN 98800025 A CN98800025 A CN 98800025A CN 98800025 A CN98800025 A CN 98800025A CN 1128485 C CN1128485 C CN 1128485C
Authority
CN
China
Prior art keywords
layer
ferrite
electromagnetic wave
baffle
electro
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN98800025A
Other languages
English (en)
Chinese (zh)
Other versions
CN1216166A (zh
Inventor
V·琼斯
木村健一
C·A·帕兹德阿若久
清川博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujita Corp
Symetrix Corp
Original Assignee
Fujita Corp
Symetrix Corp
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
Priority claimed from US08/782,934 external-priority patent/US6037046A/en
Priority claimed from US08/782,938 external-priority patent/US5853889A/en
Application filed by Fujita Corp, Symetrix Corp filed Critical Fujita Corp
Publication of CN1216166A publication Critical patent/CN1216166A/zh
Application granted granted Critical
Publication of CN1128485C publication Critical patent/CN1128485C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • 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
    • 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
    • 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
    • H01Q17/007—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with means for controlling the absorption
    • 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
    • H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Building Environments (AREA)
CN98800025A 1997-01-13 1998-01-12 电磁波吸收板及其制造材料 Expired - Fee Related CN1128485C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/782,934 US6037046A (en) 1997-01-13 1997-01-13 Multi-component electromagnetic wave absorption panels
US08/782,938 1997-01-13
US08/782,938 US5853889A (en) 1997-01-13 1997-01-13 Materials for electromagnetic wave absorption panels
US08/782,934 1997-01-13

Publications (2)

Publication Number Publication Date
CN1216166A CN1216166A (zh) 1999-05-05
CN1128485C true CN1128485C (zh) 2003-11-19

Family

ID=27120069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98800025A Expired - Fee Related CN1128485C (zh) 1997-01-13 1998-01-12 电磁波吸收板及其制造材料

Country Status (6)

Country Link
EP (1) EP0900458B1 (de)
JP (1) JP3852619B2 (de)
KR (1) KR20000064579A (de)
CN (1) CN1128485C (de)
DE (1) DE69836457T2 (de)
WO (1) WO1998031072A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002314285A (ja) * 2001-04-18 2002-10-25 Fujita Corp 電磁波吸収体
WO2005084097A1 (ja) 2004-02-27 2005-09-09 Mitsubishi Gas Chemical Company, Inc. 電波吸収体および電波吸収体の製造方法
JP4461970B2 (ja) * 2004-09-06 2010-05-12 三菱瓦斯化学株式会社 電波吸収体
ES2274674B1 (es) * 2004-12-24 2008-04-16 Micromag 2000, S.L. Absorbedor de radiacion electromagnetica basado en microhilos magneticos.
JP2006186725A (ja) 2004-12-28 2006-07-13 Central Glass Co Ltd 電磁波吸収板
WO2010042480A1 (en) * 2008-10-06 2010-04-15 Flodesign Wind Turbine Corporation Wind turbine with reduced radar signature
DE102009046752A1 (de) 2009-11-17 2011-05-26 Ed. Züblin Ag Vorrichtung zur Abschirmung und Beseitigung von Störsignalen elektromagnetischer Wellen - Bauteil mit chaotischer Bewehrung
US9505632B2 (en) 2010-09-22 2016-11-29 Skyworks Solutions, Inc. Compositions and materials for electronic applications
CN103452200A (zh) * 2012-05-30 2013-12-18 深圳市栢富电子有限公司 吸波组件及制造方法、微波暗室及建造方法
CN102904065A (zh) * 2012-10-19 2013-01-30 中兴通讯股份有限公司南京分公司 吸波装置及无线终端
CN108314866B (zh) * 2018-02-08 2020-09-25 西安理工大学 一种取向化Co2Z铁氧体-Fe2O3复合吸波材料及合成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244508A (de) * 1958-12-04
US4012738A (en) * 1961-01-31 1977-03-15 The United States Of America As Represented By The Secretary Of The Navy Combined layers in a microwave radiation absorber
JPS51163498U (de) * 1976-06-09 1976-12-27
JP2510880B2 (ja) * 1988-07-26 1996-06-26 ティーディーケイ株式会社 多層型電波吸収体及び該電波吸収体からなる電波暗室
FR2665296B1 (fr) * 1990-07-27 1993-12-17 Ferdy Mayer Structures absorbantes hautes frequences large bande.
FR2666439B1 (fr) * 1990-08-30 1994-03-18 Commissariat A Energie Atomique Ecran absorbant a base de polymere conducteur electronique.
JPH04354103A (ja) * 1991-05-31 1992-12-08 Yoshiyuki Naito 広帯域電波吸収装置
JPH08204379A (ja) * 1995-01-24 1996-08-09 Mitsubishi Cable Ind Ltd 電波吸収体

Also Published As

Publication number Publication date
EP0900458B1 (de) 2006-11-22
KR20000064579A (ko) 2000-11-06
JP2000507400A (ja) 2000-06-13
DE69836457D1 (de) 2007-01-04
EP0900458A1 (de) 1999-03-10
WO1998031072A1 (en) 1998-07-16
JP3852619B2 (ja) 2006-12-06
CN1216166A (zh) 1999-05-05
DE69836457T2 (de) 2007-09-13

Similar Documents

Publication Publication Date Title
CN1128485C (zh) 电磁波吸收板及其制造材料
US5853889A (en) Materials for electromagnetic wave absorption panels
US5708435A (en) Multilayer wave absorber
EP0689262B1 (de) Wellenabsorbierende Zusammensetzung, Absorberelement für Funkwellen, Funkwellenabsorber und Verfahren zur Herstellung von Absorberelementen
US6037046A (en) Multi-component electromagnetic wave absorption panels
WO2020166628A1 (ja) 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
US20210407736A1 (en) Matrix assembly having solid dielectric elements and a tailored bulk dielectric constant and method of manufacturing same
EP0600387A1 (de) Breitbandiger Wellenabsorber
JP2001156487A (ja) 電波吸収体及びその製造方法
EP0520677A1 (de) Chiral absorbierende Struktur
DE60201699T2 (de) Kompositpartikeln auf weichmagnetischen hexagonalen Ferrit-Basis, Benutzung von einem Grünling darfür und Sinterkeramik auf diesen Ferrit-Basis
JPH06244583A (ja) 積層型電波反射防止体及び電波反射防止方法
KR100498887B1 (ko) 광대역 페라이트 전파흡수체
JP2920178B2 (ja) 電波吸収体
RU2453953C1 (ru) Сверхширокодиапазонный поглотитель электромагнитных волн для безэховых камер и экранированных помещений
KR101004026B1 (ko) 광대역 2층형 전자파 흡수체 시트 및 이를 제조하는 방법
JP4462750B2 (ja) 電波吸収体
EP0426141B1 (de) Material mit radarabsorbierenden Eigenschaften und dessen Verwendung bei Verfahren zur Tarnung gegen Radarerfassung
RU2644399C9 (ru) Композиционный радиопоглощающий материал и способ его изготовления
JP2010153833A (ja) 電波吸収体
JP2004182545A (ja) 多孔質フェライトの製造方法およびそれを用いた電波吸収体
JPH11274788A (ja) 電磁波吸収材及び電磁波吸収方法
KR100850533B1 (ko) 전자파 차폐 구조체 및 이를 이용한 전자파 차폐 구조물
JP2003124681A (ja) 電磁波吸収体組成物及びそれを用いた電磁波吸収体
RU2447551C1 (ru) Безэховая камера

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20031119

Termination date: 20120112