DE69004109T2 - Mikrowellen-Absorbermaterial, das nadelförmige magnetische Metallfasern enthält. - Google Patents

Mikrowellen-Absorbermaterial, das nadelförmige magnetische Metallfasern enthält.

Info

Publication number
DE69004109T2
DE69004109T2 DE1990604109 DE69004109T DE69004109T2 DE 69004109 T2 DE69004109 T2 DE 69004109T2 DE 1990604109 DE1990604109 DE 1990604109 DE 69004109 T DE69004109 T DE 69004109T DE 69004109 T2 DE69004109 T2 DE 69004109T2
Authority
DE
Germany
Prior art keywords
material containing
magnetic metal
metal fibers
absorber material
microwave absorber
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
DE1990604109
Other languages
German (de)
English (en)
Other versions
DE69004109D1 (de
Inventor
Charles E Boyer
Eric J Borchers
Richard J Kuo
Charles D Hoyle
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69004109D1 publication Critical patent/DE69004109D1/de
Application granted granted Critical
Publication of DE69004109T2 publication Critical patent/DE69004109T2/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
DE1990604109 1989-01-26 1990-01-22 Mikrowellen-Absorbermaterial, das nadelförmige magnetische Metallfasern enthält. Expired - Fee Related DE69004109T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30242789A 1989-01-26 1989-01-26

Publications (2)

Publication Number Publication Date
DE69004109D1 DE69004109D1 (de) 1993-12-02
DE69004109T2 true DE69004109T2 (de) 1994-05-11

Family

ID=23167694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990604109 Expired - Fee Related DE69004109T2 (de) 1989-01-26 1990-01-22 Mikrowellen-Absorbermaterial, das nadelförmige magnetische Metallfasern enthält.

Country Status (5)

Country Link
EP (1) EP0380267B1 (ja)
JP (1) JPH02235396A (ja)
AU (1) AU615817B2 (ja)
CA (1) CA2005198A1 (ja)
DE (1) DE69004109T2 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275880A (en) * 1989-05-17 1994-01-04 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
IT1230281B (it) * 1989-06-15 1991-10-18 Sits Soc It Telecom Siemens Procedimento per la realizzazione di assorbitori per campi elettromagnetici.
US4972058A (en) * 1989-12-07 1990-11-20 E. I. Du Pont De Nemours And Company Surface heating food wrap with variable microwave transmission
JPH0935927A (ja) * 1995-07-20 1997-02-07 Tokin Corp 複合磁性体及びそれを用いた電磁干渉抑制体
DE19756620A1 (de) 1997-12-19 1999-06-24 Bosch Gmbh Robert Verfahren zur Herstellung eines Absorbermaterials
ES2274674B1 (es) * 2004-12-24 2008-04-16 Micromag 2000, S.L. Absorbedor de radiacion electromagnetica basado en microhilos magneticos.
DE102007011590B4 (de) * 2007-03-08 2008-12-04 Genesis Adaptive Systeme Deutschland Gmbh Materialverbund für die EMV-Abschirmung
CN105670370B (zh) * 2016-01-04 2017-11-03 北京环境特性研究所 一种毛条型宽频隐身材料
CN110854545B (zh) * 2019-10-29 2021-03-16 南京邮电大学 一种基于水银热胀冷缩调控的频带转移吸波器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538151A (en) * 1982-03-31 1985-08-27 Nippon Electric Co., Ltd. Electro-magnetic wave absorbing material
US4507224A (en) * 1982-12-03 1985-03-26 Agency Of Industrial Science & Technology Ceramics containing fibers of silicon carbide
EP0161245B1 (en) * 1983-11-07 1990-07-25 The Dow Chemical Company Low density, electromagnetic radiation absorption composition
US4606848A (en) * 1984-08-14 1986-08-19 The United States Of America As Represented By The Secretary Of The Army Radar attenuating paint
EP0278458A3 (de) * 1987-02-10 1989-12-06 Buchtal Gesellschaft mit beschränkter Haftung Plattenförmiges, Elektrisch leitendes unglasiertes keramisches Element

Also Published As

Publication number Publication date
DE69004109D1 (de) 1993-12-02
JPH02235396A (ja) 1990-09-18
AU615817B2 (en) 1991-10-10
CA2005198A1 (en) 1990-07-26
AU4708889A (en) 1990-08-02
EP0380267B1 (en) 1993-10-27
EP0380267A1 (en) 1990-08-01

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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