AU2003230015A1 - Microwave absorbant material - Google Patents

Microwave absorbant material

Info

Publication number
AU2003230015A1
AU2003230015A1 AU2003230015A AU2003230015A AU2003230015A1 AU 2003230015 A1 AU2003230015 A1 AU 2003230015A1 AU 2003230015 A AU2003230015 A AU 2003230015A AU 2003230015 A AU2003230015 A AU 2003230015A AU 2003230015 A1 AU2003230015 A1 AU 2003230015A1
Authority
AU
Australia
Prior art keywords
absorbant material
microwave
microwave absorbant
absorbant
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.)
Abandoned
Application number
AU2003230015A
Inventor
Jason Michael Fallon
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.)
Qinetiq Ltd
Original Assignee
Qinetiq 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 Qinetiq Ltd filed Critical Qinetiq Ltd
Publication of AU2003230015A1 publication Critical patent/AU2003230015A1/en
Abandoned 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
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Hard Magnetic Materials (AREA)
AU2003230015A 2002-05-18 2003-05-13 Microwave absorbant material Abandoned AU2003230015A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0211443A GB0211443D0 (en) 2002-05-18 2002-05-18 Microwave absorbent material
GB0211443.7 2002-05-18
PCT/GB2003/002037 WO2003098989A1 (en) 2002-05-18 2003-05-13 Microwave absorbant material

Publications (1)

Publication Number Publication Date
AU2003230015A1 true AU2003230015A1 (en) 2003-12-02

Family

ID=9936946

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003230015A Abandoned AU2003230015A1 (en) 2002-05-18 2003-05-13 Microwave absorbant material

Country Status (3)

Country Link
AU (1) AU2003230015A1 (en)
GB (1) GB0211443D0 (en)
WO (1) WO2003098989A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0716442D0 (en) * 2007-08-23 2007-10-03 Qinetiq Ltd Composite material
GB2519133B (en) * 2013-10-11 2018-06-27 Qinetiq Ltd Electromagnetic field absorbing composition
JP6450082B2 (en) * 2014-04-01 2019-01-09 株式会社リケン Near-field electromagnetic wave absorbing sheet
PL416167A1 (en) * 2016-02-17 2017-08-28 Instytut Niskich Temperatur I Badań Strukturalnych Im. Włodzimierza Trzebiatowskiego Polskiej Akademii Nauk Method for obtaining metamaterial and its application in the devices operating within the radio waves and microwaves
WO2020229975A1 (en) 2019-05-15 2020-11-19 3M Innovative Properties Company Orientation of magnetic fillers to optimize film properties
CN111799570B (en) * 2020-07-09 2021-04-27 西安交通大学 Magnetic field regulation and control method for liquid wave absorption performance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826381B2 (en) * 1979-04-28 1983-06-02 信越ポリマ−株式会社 Electromagnetic shield gasket and its manufacturing method
JPS62221199A (en) * 1986-03-24 1987-09-29 株式会社　リケン Magnetic shielding material
EP0301561B1 (en) * 1987-07-31 1992-12-09 TDK Corporation Magnetic shield-forming magnetically soft powder, composition thereof, and process of making
US5260128A (en) * 1989-12-11 1993-11-09 Kabushiki Kaisha Riken Electromagnetic shielding sheet
US5278377A (en) * 1991-11-27 1994-01-11 Minnesota Mining And Manufacturing Company Electromagnetic radiation susceptor material employing ferromagnetic amorphous alloy particles
JPH0993034A (en) * 1995-09-22 1997-04-04 Tokin Corp Compound magnetic substance, manufacture of the same and electromagnetic interference suppresser

Also Published As

Publication number Publication date
GB0211443D0 (en) 2002-06-26
WO2003098989A1 (en) 2003-11-27

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase