DE60201850D1 - Elektromagnetischer Wellenabsorber und Verfahren zu dessen Herstellung - Google Patents

Elektromagnetischer Wellenabsorber und Verfahren zu dessen Herstellung

Info

Publication number
DE60201850D1
DE60201850D1 DE60201850T DE60201850T DE60201850D1 DE 60201850 D1 DE60201850 D1 DE 60201850D1 DE 60201850 T DE60201850 T DE 60201850T DE 60201850 T DE60201850 T DE 60201850T DE 60201850 D1 DE60201850 D1 DE 60201850D1
Authority
DE
Germany
Prior art keywords
production
electromagnetic wave
wave absorber
absorber
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
DE60201850T
Other languages
English (en)
Other versions
DE60201850T2 (de
Inventor
Akihisa Hosoe
Koji Nitta
Shinji Inazawa
Katsumi Okayama
Junichi Toyoda
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.)
Sony Corp
Sumitomo Electric Industries Ltd
Original Assignee
Sony Corp
Sumitomo Electric Industries 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 Sony Corp, Sumitomo Electric Industries Ltd filed Critical Sony Corp
Application granted granted Critical
Publication of DE60201850D1 publication Critical patent/DE60201850D1/de
Publication of DE60201850T2 publication Critical patent/DE60201850T2/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
    • H01Q17/004—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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
    • 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
    • Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
DE60201850T 2001-02-15 2002-02-15 Elektromagnetischer Wellenabsorber und Verfahren zu dessen Herstellung Expired - Fee Related DE60201850T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001038974 2001-02-15
JP2001038974 2001-02-15
JP2001375991A JP2002319787A (ja) 2001-02-15 2001-12-10 電磁波吸収材料
JP2001375991 2001-12-10

Publications (2)

Publication Number Publication Date
DE60201850D1 true DE60201850D1 (de) 2004-12-16
DE60201850T2 DE60201850T2 (de) 2005-10-27

Family

ID=26609475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60201850T Expired - Fee Related DE60201850T2 (de) 2001-02-15 2002-02-15 Elektromagnetischer Wellenabsorber und Verfahren zu dessen Herstellung

Country Status (5)

Country Link
US (1) US6773800B2 (de)
EP (1) EP1233472B1 (de)
JP (1) JP2002319787A (de)
CN (1) CN1283025C (de)
DE (1) DE60201850T2 (de)

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US20060287471A1 (en) * 2005-06-16 2006-12-21 Schreiber Benjamin R Accelerated acetaldehyde testing of polymers
US8557950B2 (en) 2005-06-16 2013-10-15 Grupo Petrotemex, S.A. De C.V. High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates
US7932345B2 (en) 2005-09-16 2011-04-26 Grupo Petrotemex, S.A. De C.V. Aluminum containing polyester polymers having low acetaldehyde generation rates
US7776942B2 (en) * 2005-09-16 2010-08-17 Eastman Chemical Company Polyester polymer and copolymer compositions containing particles of titanium nitride and carbon-coated iron
US8431202B2 (en) 2005-09-16 2013-04-30 Grupo Petrotemex, S.A. De C.V. Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity
US9267007B2 (en) 2005-09-16 2016-02-23 Grupo Petrotemex, S.A. De C.V. Method for addition of additives into a polymer melt
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US7709595B2 (en) 2006-07-28 2010-05-04 Eastman Chemical Company Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents
US7745368B2 (en) 2006-07-28 2010-06-29 Eastman Chemical Company Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids
US20080058495A1 (en) * 2006-09-05 2008-03-06 Donna Rice Quillen Polyester polymer and copolymer compositions containing titanium and yellow colorants
JP2008109075A (ja) * 2006-09-26 2008-05-08 Bridgestone Corp 電波吸収材
US8563677B2 (en) 2006-12-08 2013-10-22 Grupo Petrotemex, S.A. De C.V. Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups
KR101070778B1 (ko) * 2009-01-22 2011-10-06 한국과학기술연구원 자성 복합 분말, 이의 제조방법 및 이를 포함하는 전자파 노이즈 억제 필름
US20110245413A1 (en) * 2010-03-31 2011-10-06 Sumitomo Chemical Company, Limited Liquid-crystalline polymer composition and molded article thereof
KR101108769B1 (ko) * 2010-05-28 2012-02-24 삼성전기주식회사 금속분말의 제조 방법 및 이를 이용한 적층콘덴서용 내부전극의 제조 방법
US20140197352A1 (en) * 2013-01-11 2014-07-17 Sabic Innovative Plastics Ip B.V. Methods and compositions for energy dissipation
JP6296491B2 (ja) * 2013-03-14 2018-03-20 セイコーインスツル株式会社 金属構造体、金属構造体の製造方法、ばね部品、時計用発停レバーおよび時計
KR20150041321A (ko) * 2013-10-08 2015-04-16 엘지이노텍 주식회사 자성시트 및 이를 포함하는 무선충전용 자성부재
CN105280320B (zh) * 2015-11-18 2017-09-29 钢铁研究总院 一种易面各向异性高频微波磁性材料及其制备方法
CN106636950A (zh) * 2016-12-28 2017-05-10 南京南大波平电子信息有限公司 一种耐湿耐氧化电磁波吸收剂
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CN116154481B (zh) * 2022-11-22 2023-08-18 北京七星飞行电子有限公司 一种吸波材料涂层的制备方法

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JP2000068117A (ja) 1998-08-20 2000-03-03 Daido Steel Co Ltd 電磁波吸収体及びその製造方法
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JP2001060790A (ja) 1999-08-19 2001-03-06 Sony Corp 電波吸収体
JP2001223493A (ja) 2000-02-08 2001-08-17 Sony Corp 電波吸収体
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Also Published As

Publication number Publication date
DE60201850T2 (de) 2005-10-27
EP1233472B1 (de) 2004-11-10
CN1371241A (zh) 2002-09-25
JP2002319787A (ja) 2002-10-31
EP1233472A1 (de) 2002-08-21
US20030010408A1 (en) 2003-01-16
CN1283025C (zh) 2006-11-01
US6773800B2 (en) 2004-08-10

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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