EP2898568A1 - Electromagnetic absorber - Google Patents
Electromagnetic absorberInfo
- Publication number
- EP2898568A1 EP2898568A1 EP13780077.7A EP13780077A EP2898568A1 EP 2898568 A1 EP2898568 A1 EP 2898568A1 EP 13780077 A EP13780077 A EP 13780077A EP 2898568 A1 EP2898568 A1 EP 2898568A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electromagnetic
- resonant
- dielectric substrate
- resonant element
- denotes
- 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.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 50
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 description 25
- 239000002250 absorbent Substances 0.000 description 25
- 239000004593 Epoxy Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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
-
- 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
Definitions
- An insulating dielectric substrate arranged on the metal ground plane,
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1258849A FR2995734B1 (en) | 2012-09-20 | 2012-09-20 | ELECTROMAGNETIC ABSORBENT |
PCT/EP2013/069544 WO2014044786A1 (en) | 2012-09-20 | 2013-09-20 | Electromagnetic absorber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2898568A1 true EP2898568A1 (en) | 2015-07-29 |
EP2898568B1 EP2898568B1 (en) | 2018-11-14 |
Family
ID=47739388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13780077.7A Active EP2898568B1 (en) | 2012-09-20 | 2013-09-20 | Electromagnetic absorber |
Country Status (5)
Country | Link |
---|---|
US (1) | US9761953B2 (en) |
EP (1) | EP2898568B1 (en) |
JP (1) | JP2015534760A (en) |
FR (1) | FR2995734B1 (en) |
WO (1) | WO2014044786A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3024298B1 (en) | 2014-07-25 | 2016-09-02 | Airbus Defence & Space Sas | DEVICE FOR PROTECTION AGAINST LIGHTNING |
WO2016073537A1 (en) * | 2014-11-04 | 2016-05-12 | Flir Surveillance, Inc. | Multiband wavelength selective structure |
WO2018189983A1 (en) * | 2017-04-11 | 2018-10-18 | 株式会社村田製作所 | Electromagnetic wave shielding material, building material with electromagnetic wave shield, and article with electromagnetic wave shielding material |
KR101908233B1 (en) * | 2017-06-29 | 2018-10-16 | 한양대학교 산학협력단 | Artificial structure cell and artificial structure including the same |
DE102017122196B4 (en) * | 2017-09-25 | 2023-11-23 | Technische Universität Darmstadt | Identification element and a method for identifying associated objects |
KR102114632B1 (en) * | 2019-03-26 | 2020-05-25 | 홍익대학교 산학협력단 | Apparatus of beam steering and multibeam high gain antenna using rearrangement of source |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4889180B2 (en) * | 2002-10-17 | 2012-03-07 | 学校法人五島育英会 | Multi-band electromagnetic wave absorber |
US7209080B2 (en) * | 2004-07-01 | 2007-04-24 | Raytheon Co. | Multiple-port patch antenna |
EP1806961A4 (en) * | 2004-09-29 | 2009-06-24 | Nitta Corp | Electromagnetic wave absorber |
WO2008121159A2 (en) * | 2006-10-19 | 2008-10-09 | Los Alamos National Security Llc | Active terahertz metamaterial devices |
JP2008270793A (en) * | 2007-03-27 | 2008-11-06 | Nitta Ind Corp | Electromagnetic wave absorber, building material, and electromagnetic absorption method |
US8674792B2 (en) * | 2008-02-07 | 2014-03-18 | Toyota Motor Engineering & Manufacturing North America, Inc. | Tunable metamaterials |
JP4948482B2 (en) * | 2008-06-27 | 2012-06-06 | 三菱電線工業株式会社 | Radio wave absorber |
US8130031B2 (en) * | 2009-01-28 | 2012-03-06 | Toyota Motor Engineering & Manufacturing North America, Inc. | Tunable metamaterial |
WO2010100932A1 (en) * | 2009-03-06 | 2010-09-10 | 日本電気株式会社 | Resonator antenna and communication apparatus |
US9030286B2 (en) * | 2009-04-08 | 2015-05-12 | New Jersey Institute Of Technology | Metamaterials with terahertz response and methods of making same |
-
2012
- 2012-09-20 FR FR1258849A patent/FR2995734B1/en not_active Expired - Fee Related
-
2013
- 2013-09-20 WO PCT/EP2013/069544 patent/WO2014044786A1/en active Application Filing
- 2013-09-20 JP JP2015532419A patent/JP2015534760A/en active Pending
- 2013-09-20 EP EP13780077.7A patent/EP2898568B1/en active Active
- 2013-09-20 US US14/429,647 patent/US9761953B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014044786A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2898568B1 (en) | 2018-11-14 |
FR2995734B1 (en) | 2014-10-17 |
WO2014044786A1 (en) | 2014-03-27 |
US20150229031A1 (en) | 2015-08-13 |
JP2015534760A (en) | 2015-12-03 |
FR2995734A1 (en) | 2014-03-21 |
US9761953B2 (en) | 2017-09-12 |
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