DE69126784D1 - Verfahren zum dämpfen electromagnetischer wellen - Google Patents

Verfahren zum dämpfen electromagnetischer wellen

Info

Publication number
DE69126784D1
DE69126784D1 DE69126784T DE69126784T DE69126784D1 DE 69126784 D1 DE69126784 D1 DE 69126784D1 DE 69126784 T DE69126784 T DE 69126784T DE 69126784 T DE69126784 T DE 69126784T DE 69126784 D1 DE69126784 D1 DE 69126784D1
Authority
DE
Germany
Prior art keywords
electromagnetic waves
damping electromagnetic
damping
waves
electromagnetic
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
DE69126784T
Other languages
English (en)
Other versions
DE69126784T2 (de
Inventor
Junichi Fujita
Hiroyuki Okazaki
Mitsuo Kiura
Yoshiaki Yoshida
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co Ltd
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 JP3153984A external-priority patent/JPH088429B2/ja
Application filed by Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Application granted granted Critical
Publication of DE69126784D1 publication Critical patent/DE69126784D1/de
Publication of DE69126784T2 publication Critical patent/DE69126784T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001—Rooms or chambers
    • H05K9/0003—Shielded walls, floors, ceilings, e.g. wallpaper, wall panel, electro-conductive plaster, concrete, cement, mortar
    • 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
    • H01Q17/002—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using short elongated elements as dissipative material, e.g. metallic threads or flake-like particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
DE69126784T 1991-05-28 1991-11-12 Verfahren zum dämpfen electromagnetischer wellen Expired - Fee Related DE69126784T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3153984A JPH088429B2 (ja) 1990-05-28 1991-05-28 電波吸収方法
PCT/JP1991/001544 WO1992022193A1 (en) 1991-05-28 1991-11-12 Method for absorbing electromagnetic wave

Publications (2)

Publication Number Publication Date
DE69126784D1 true DE69126784D1 (de) 1997-08-14
DE69126784T2 DE69126784T2 (de) 1998-01-02

Family

ID=15574369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126784T Expired - Fee Related DE69126784T2 (de) 1991-05-28 1991-11-12 Verfahren zum dämpfen electromagnetischer wellen

Country Status (4)

Country Link
US (1) US5394149A (de)
EP (1) EP0546182B1 (de)
DE (1) DE69126784T2 (de)
WO (1) WO1992022193A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR008989A1 (es) * 1995-12-05 2000-03-08 Lwt Instr Inc Estructuras de material compuesto con menor atenuacion de senal, metodo para formarlas; tubos de union sustituto y componente de tren de perforacioncon dicho material
US5742211A (en) * 1996-03-22 1998-04-21 Lockheed Martin Energy Systems, Inc. Radio-frequency and microwave load comprising a carbon-bonded carbon fiber composite
US6190509B1 (en) 1997-03-04 2001-02-20 Tessera, Inc. Methods of making anisotropic conductive elements for use in microelectronic packaging
JP3838815B2 (ja) * 1999-05-10 2006-10-25 日本電気株式会社 携帯電話機
NO20014376L (no) * 2001-09-07 2003-03-10 Pe Dev As Fremgangsmåte og anordning for skjerming mot elektromagnetiske felter
DE502004005517D1 (de) * 2003-08-14 2007-12-27 Doerken Ewald Ag Reflexionsschicht
GB0905312D0 (en) * 2009-03-27 2009-05-13 Qinetiq Ltd Electromagnetic field absorbing composition
CN112941895B (zh) * 2021-02-01 2022-04-26 为远材料科技(辽宁)有限责任公司 一种宽频谱柔性吸波材料及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766699A (en) * 1980-10-13 1982-04-22 Toray Industries Radiowave absorbing material
JPS58108603A (ja) * 1981-12-14 1983-06-28 清水　康敬 電波吸収体及びその製造方法
JPS58108602A (ja) * 1981-12-14 1983-06-28 清水　康敬 電波吸収体及びその製造方法
GB2181898B (en) * 1985-10-21 1990-01-17 Plessey Co Plc Electro-magnetic wave absorber surface
SE462099B (sv) * 1985-11-15 1990-05-07 Dow Chemical Co Emi avskaermningskompositmaterial
JPS62183599A (ja) * 1986-02-07 1987-08-11 防衛庁技術研究本部長 電波吸収体
NL8701180A (nl) * 1987-05-15 1988-12-01 Emerson Electric Co Middenspanningsgereedschap.
JPS6456559A (en) * 1987-08-28 1989-03-03 Casio Electronics Mfg Co Printing device
JPH03126296A (ja) * 1989-10-12 1991-05-29 Nippon Steel Corp 軽量導電性複合成形体

Also Published As

Publication number Publication date
EP0546182A1 (de) 1993-06-16
DE69126784T2 (de) 1998-01-02
US5394149A (en) 1995-02-28
EP0546182B1 (de) 1997-07-09
EP0546182A4 (de) 1995-01-11
WO1992022193A1 (en) 1992-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee