DE3768297D1 - Absorber fuer elektromagnetische wellen. - Google Patents

Absorber fuer elektromagnetische wellen.

Info

Publication number
DE3768297D1
DE3768297D1 DE8787302240T DE3768297T DE3768297D1 DE 3768297 D1 DE3768297 D1 DE 3768297D1 DE 8787302240 T DE8787302240 T DE 8787302240T DE 3768297 T DE3768297 T DE 3768297T DE 3768297 D1 DE3768297 D1 DE 3768297D1
Authority
DE
Germany
Prior art keywords
absorber
electromagnetic waves
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
DE8787302240T
Other languages
English (en)
Inventor
Toshikatsu Ishikawa
Haruo Teranishi
Hiroshi Ichikawa
Kenji Ushikoshi
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.)
Nippon Carbon Co Ltd
Original Assignee
Nippon Carbon 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
Application filed by Nippon Carbon Co Ltd filed Critical Nippon Carbon Co Ltd
Application granted granted Critical
Publication of DE3768297D1 publication Critical patent/DE3768297D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H01Q17/005—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using woven or wound filaments; impregnated nets or clothes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3382—Including a free metal or alloy constituent
    • Y10T442/3415—Preformed metallic film or foil or sheet [film or foil or sheet had structural integrity prior to association with the woven fabric]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer
    • Y10T442/3528—Three or more fabric layers
DE8787302240T 1986-03-18 1987-03-17 Absorber fuer elektromagnetische wellen. Expired - Fee Related DE3768297D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5841386 1986-03-18

Publications (1)

Publication Number Publication Date
DE3768297D1 true DE3768297D1 (de) 1991-04-11

Family

ID=13083686

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302240T Expired - Fee Related DE3768297D1 (de) 1986-03-18 1987-03-17 Absorber fuer elektromagnetische wellen.

Country Status (3)

Country Link
US (1) US4726980A (de)
EP (1) EP0238291B1 (de)
DE (1) DE3768297D1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071837B2 (ja) * 1987-09-04 1995-01-11 宇部興産株式会社 電磁波吸収材
US4879168A (en) * 1987-10-28 1989-11-07 The Dow Chemical Company Flame retarding and fire blocking fiber blends
DE8915902U1 (de) * 1989-06-06 1992-02-13 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Fassadenaufbau von Hochbauten
US6309994B1 (en) * 1989-08-14 2001-10-30 Aluminum Company Of America Fiber reinforced composite having an aluminum phosphate bonded matrix
FR2653599B1 (fr) * 1989-10-23 1991-12-20 Commissariat Energie Atomique Materiau composite stratifie presentant des proprietes electromagnetiques absorbantes et son procede de fabrication.
ES2075167T3 (es) * 1989-10-26 1995-10-01 Colebrand Ltd Absorbentes.
DE3936291A1 (de) * 1989-11-01 1991-05-02 Herberts Gmbh Material mit radarabsorbierenden eigenschaften und dessen verwendung bei verfahren zur tarnung gegen radarerfassung
DE4006352A1 (de) * 1990-03-01 1991-09-05 Dornier Luftfahrt Radarabsorber
EP0495570B1 (de) * 1991-01-16 1999-04-28 Sgl Carbon Composites, Inc. Verbundwerkstoffe aus siliciumcarbidfaserarmiertem Kohlenstoff
FR2908560B1 (fr) * 1991-11-25 2009-09-25 Aerospatiale Soc Nat Ind Sa Materiau composite structural a peau et un procede pour la fabrication de celui-ci
US5415364A (en) * 1993-09-09 1995-05-16 Untied Technologies Corporation Wire cutter system having aerodynamic, microwave energy absorbing fairing
DE4416165C2 (de) * 1994-05-06 1998-10-15 Daimler Benz Aerospace Ag Radarabsorbierende Anordnung für eine Fensterverglasung oder Fassadenverkleidung
US5763054A (en) * 1996-09-13 1998-06-09 Trw Inc. Anti-reflection treatment for optical elements
JP4113812B2 (ja) * 2003-08-05 2008-07-09 北川工業株式会社 電波吸収体、および電波吸収体の製造方法
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
US7846546B2 (en) * 2005-09-20 2010-12-07 Ube Industries, Ltd. Electrically conducting-inorganic substance-containing silicon carbide-based fine particles, electromagnetic wave absorbing material and electromagnetic wave absorber
DE102010055850B4 (de) 2010-12-22 2018-07-26 Deutsche Telekom Ag Absorber für elektromagnetische Wellen
WO2013144410A1 (es) * 2012-03-30 2013-10-03 Micromag 2000, S.L. Atenuador de radiación electromagnética
JP6184579B2 (ja) * 2015-12-14 2017-08-23 日東電工株式会社 電磁波吸収体およびそれを備えた電磁波吸収体付成形体
US9810820B1 (en) * 2016-09-08 2017-11-07 Northrop Grumman Systems Corporation Optical and microwave reflectors comprising tendrillar mat structure
CN111854533B (zh) * 2019-04-28 2024-01-02 东莞天卫电磁技术有限公司 一种隐身防弹材料及其制备方法和用途
CN111854532B (zh) * 2019-04-28 2024-01-02 东莞天卫电磁技术有限公司 一种隐身防弹材料及其制备方法和用途
CN110983797B (zh) * 2019-12-13 2022-04-26 武汉纺织大学 一种热隐形柔性材料及其制备方法
CN114516206A (zh) * 2020-11-18 2022-05-20 深圳光启尖端技术有限责任公司 吸波件及其制作方法
CN113497361B (zh) * 2021-07-07 2023-10-13 东莞理工学院 一种图案化SiC微细结构及其应用
CN113619212B (zh) * 2021-07-13 2024-02-02 中国科学院光电技术研究所 一种高强度柔性织物吸波材料及其制备方法
CN113978064A (zh) * 2021-09-18 2022-01-28 航天特种材料及工艺技术研究所 一种混杂结构吸波复合材料及其制备方法
CN114193850B (zh) * 2021-11-22 2024-04-30 航天科工武汉磁电有限责任公司 一种轻质柔性耐弯折目标特征控制复合材料及其制备方法
CN114106725B (zh) * 2021-11-29 2023-04-25 航天特种材料及工艺技术研究所 一种吸波胶膜及其制备方法
CN115946425A (zh) * 2022-12-15 2023-04-11 航天特种材料及工艺技术研究所 一种具有角锥型电结构的吸波蜂窝及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1760260A1 (de) * 1968-04-25 1971-06-03 Bayer Ag Verfahren zur Herstellung von mit Polyurethanen beschichteten Textilien
DE8014209U1 (de) * 1980-05-27 1983-11-17 Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Der Verteidigung, 5300 Bonn Verbundwerkstoff-platte, schale o.dgl. mit geringer reflexion auftreffender elektromagnetischer wellen "die eintragung ist nach (paragraph) 3a des gebrauchsmustergesetzes erfolgt."
JPS58169997A (ja) * 1982-03-31 1983-10-06 日本カ−ボン株式会社 電波吸収体
DE3307066A1 (de) * 1983-03-01 1984-09-13 Dornier Gmbh, 7990 Friedrichshafen Mehrschichtiger faserverbundwerkstoff
DE3329264A1 (de) * 1983-08-12 1985-02-21 Friedrich-Ulf 8899 Rettenbach Deisenroth Mikrowellenabsorbierendes material

Also Published As

Publication number Publication date
EP0238291A1 (de) 1987-09-23
EP0238291B1 (de) 1991-03-06
US4726980A (en) 1988-02-23

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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