AU652335B2 - Electromagnetic shielding and absorptive materials - Google Patents
Electromagnetic shielding and absorptive materialsInfo
- Publication number
- AU652335B2 AU652335B2 AU44083/89A AU4408389A AU652335B2 AU 652335 B2 AU652335 B2 AU 652335B2 AU 44083/89 A AU44083/89 A AU 44083/89A AU 4408389 A AU4408389 A AU 4408389A AU 652335 B2 AU652335 B2 AU 652335B2
- Authority
- AU
- Australia
- Prior art keywords
- chiral
- composite material
- layer
- anisotropy
- microgeometries
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 title claims description 151
- 239000002131 composite material Substances 0.000 claims description 88
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 230000005291 magnetic effect Effects 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 13
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims 3
- 239000011159 matrix material Substances 0.000 description 21
- 238000000576 coating method Methods 0.000 description 14
- 230000005670 electromagnetic radiation Effects 0.000 description 13
- 239000003989 dielectric material Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000012783 reinforcing fiber Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 229920001940 conductive polymer Polymers 0.000 description 6
- 230000005294 ferromagnetic effect Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 125000006575 electron-withdrawing group Chemical group 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930195712 glutamate Natural products 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- -1 polysiloxane Polymers 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008261 styrofoam Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000012443 analytical study Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229960002737 fructose Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
-
- 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
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24485888A | 1988-09-15 | 1988-09-15 | |
| US244858 | 1988-09-15 | ||
| US07/252,516 US4948922A (en) | 1988-09-15 | 1988-09-30 | Electromagnetic shielding and absorptive materials |
| PCT/US1989/003890 WO1990003102A1 (en) | 1988-09-15 | 1989-09-14 | Electromagnetic shielding and absorptive materials |
| US252516 | 1999-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4408389A AU4408389A (en) | 1990-04-02 |
| AU652335B2 true AU652335B2 (en) | 1994-08-25 |
Family
ID=26936847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU44083/89A Ceased AU652335B2 (en) | 1988-09-15 | 1989-09-14 | Electromagnetic shielding and absorptive materials |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4948922A (enExample) |
| EP (1) | EP0442900A4 (enExample) |
| JP (1) | JPH04507477A (enExample) |
| AU (1) | AU652335B2 (enExample) |
| WO (1) | WO1990003102A1 (enExample) |
Families Citing this family (119)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5063391A (en) * | 1989-06-06 | 1991-11-05 | The Trustees Of The University Of Penn. | Method of measuring chiral parameters of a chiral material |
| US5398037A (en) * | 1988-10-07 | 1995-03-14 | The Trustees Of The University Of Pennsylvania | Radomes using chiral materials |
| US5260712A (en) * | 1989-06-06 | 1993-11-09 | The Trustees Of The University Of Pennsylvania | Printed-circuit antennas using chiral materials |
| US5099242A (en) * | 1990-01-04 | 1992-03-24 | The Trustees Of The University Of Pennsylvania | Novel shielding, reflection and scattering control using chiral materials |
| US5146047A (en) * | 1990-03-16 | 1992-09-08 | Shimizu Construction Co., Ltd. | Electric-wave absorbing material for construction |
| US5389434A (en) * | 1990-10-02 | 1995-02-14 | Minnesota Mining And Manufacturing Company | Electromagnetic radiation absorbing material employing doubly layered particles |
| GB2257303A (en) * | 1991-06-28 | 1993-01-06 | Grace Nv | Chiral absorbing structure |
| FR2678470A1 (fr) * | 1991-06-28 | 1992-12-31 | Commissariat Energie Atomique | Ecran polariseur et absorbant presentant des motifs chiraux plans. |
| GB2257302A (en) * | 1991-06-28 | 1993-01-06 | Grace Nv | Chiral absorber |
| JP3011378B2 (ja) | 1991-07-16 | 2000-02-21 | 北川工業株式会社 | 電磁波シールド複合材料 |
| KR930011548B1 (ko) * | 1991-08-13 | 1993-12-10 | 한국과학기술연구원 | 적층형 전파흡수체 |
| JPH0645781A (ja) * | 1992-07-22 | 1994-02-18 | Uniden Corp | 電磁波遮蔽構造体 |
| CA2129073C (en) * | 1993-09-10 | 2007-06-05 | John P. Kalinoski | Form-in-place emi gaskets |
| US6303180B1 (en) | 1993-09-10 | 2001-10-16 | Parker-Hannifin Corporation | Form-in-place EMI gaskets |
| US5499935A (en) * | 1993-12-30 | 1996-03-19 | At&T Corp. | RF shielded I/O connector |
| US5583318A (en) * | 1993-12-30 | 1996-12-10 | Lucent Technologies Inc. | Multi-layer shield for absorption of electromagnetic energy |
| US5875575A (en) * | 1994-05-25 | 1999-03-02 | Pember; Scott N. | Laser license plate cover |
| US5976666A (en) * | 1994-08-29 | 1999-11-02 | Sri International | Electromagnetic radiation absorbing devices and associated methods of manufacture and use |
| US6635354B2 (en) | 1995-01-20 | 2003-10-21 | Parker-Hannifin Corporation | Form-in place EMI gaskets |
| US5641438A (en) * | 1995-01-24 | 1997-06-24 | Bunyan; Michael H. | Method for forming an EMI shielding gasket |
| US5910524A (en) * | 1995-01-20 | 1999-06-08 | Parker-Hannifin Corporation | Corrosion-resistant, form-in-place EMI shielding gasket |
| US5633077A (en) * | 1995-02-24 | 1997-05-27 | Owens-Corning Fiberglas Technology, Inc. | Infrared radiation blocking insulation product |
| JPH08307088A (ja) * | 1995-04-27 | 1996-11-22 | C I Kasei Co Ltd | 電波吸収体 |
| GB2304618B (en) * | 1995-08-16 | 1998-10-07 | British Aerospace | Fabrication of chiral composite material |
| DE19816230C2 (de) * | 1997-04-11 | 2001-11-29 | Advantest Corp | Abschirmgehäuse |
| US5911930A (en) * | 1997-08-25 | 1999-06-15 | Monsanto Company | Solvent spinning of fibers containing an intrinsically conductive polymer |
| US6228492B1 (en) | 1997-09-23 | 2001-05-08 | Zipperling Kessler & Co. (Gmbh & Co.) | Preparation of fibers containing intrinsically conductive polymers |
| US6620999B2 (en) | 1998-11-13 | 2003-09-16 | Hewlett-Packard Development Company, L.P. | Method and apparatus for controlling electromagnetic radiation emissions from electronic enclosures |
| US6274807B1 (en) * | 1998-11-13 | 2001-08-14 | Hewlett-Packard Company | Method and apparatus for controlling electromagnetic radiation emissions generated by electrical components |
| US6309742B1 (en) | 2000-01-28 | 2001-10-30 | Gore Enterprise Holdings, Inc. | EMI/RFI shielding gasket |
| AU2001279270A1 (en) | 2000-06-28 | 2002-01-08 | The Penn State Research Foundation | Miniaturized conformal wideband fractal antennas on high dielectric substrates and chiral layers |
| US6557859B2 (en) * | 2000-08-04 | 2003-05-06 | Cool Options, Inc. | Injection moldable elastomeric gasket |
| JP2002158483A (ja) * | 2000-11-21 | 2002-05-31 | Sony Corp | 電波吸収体 |
| JP2002223094A (ja) | 2001-01-25 | 2002-08-09 | Yokohama Rubber Co Ltd:The | 電波吸収体の構造 |
| US6547001B2 (en) * | 2001-06-08 | 2003-04-15 | Cool Shield, Inc. | Flexible glove-like heat sink |
| US6825411B2 (en) * | 2001-06-15 | 2004-11-30 | Hewlett-Packard Development Company, L.P. | Method and apparatus for controlling electromagnetic radiation emissions from electronic device enclosures |
| FR2827470B1 (fr) * | 2001-07-12 | 2003-10-31 | Usinor | Tole multicouche utilisee pour le blindage electromagnetique possedant en outre des proprietes d'isolation thermique et phonetique ameliorees |
| US6886625B1 (en) | 2001-08-23 | 2005-05-03 | Cool Options, Inc. | Elastomeric heat sink with a pressure sensitive adhesive backing |
| US7013555B2 (en) * | 2001-08-31 | 2006-03-21 | Cool Shield, Inc. | Method of applying phase change thermal interface materials |
| US6651732B2 (en) * | 2001-08-31 | 2003-11-25 | Cool Shield, Inc. | Thermally conductive elastomeric heat dissipation assembly with snap-in heat transfer conduit |
| GB0130513D0 (en) * | 2001-12-20 | 2002-02-06 | Univ Southampton | Device for changing the polarization state of reflected transmitted and diffracted light and for achieving frequency and polarization sensitive reflection and |
| US6919115B2 (en) * | 2002-01-08 | 2005-07-19 | Cool Options, Inc. | Thermally conductive drive belt |
| US7039361B1 (en) * | 2002-02-01 | 2006-05-02 | Ciena Corporation | System and method for reducing electromagnetic interference |
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| CN103477503B (zh) | 2011-02-02 | 2016-01-20 | 安费诺有限公司 | 夹层连接器 |
| CN103477285A (zh) * | 2011-02-16 | 2013-12-25 | 迈普尔平版印刷Ip有限公司 | 用于磁屏蔽的系统 |
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| US9550873B2 (en) | 2012-07-13 | 2017-01-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Doped chiral polymer metamaterials |
| CN104704682B (zh) | 2012-08-22 | 2017-03-22 | 安费诺有限公司 | 高频电连接器 |
| CN105191003B (zh) | 2013-03-13 | 2017-12-08 | 安费诺有限公司 | 用于高速电连接器的壳体 |
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| TWI754439B (zh) | 2015-07-23 | 2022-02-01 | 美商安芬諾Ｔｃｓ公司 | 連接器、製造連接器方法、用於連接器的擴充器模組以及電子系統 |
| EP3133385A1 (en) * | 2015-08-17 | 2017-02-22 | Karlsruher Institut für Technologie | An arrangement and a system comprising chiral objects |
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| US11437762B2 (en) | 2019-02-22 | 2022-09-06 | Amphenol Corporation | High performance cable connector assembly |
| TWM582251U (zh) | 2019-04-22 | 2019-08-11 | 香港商安費諾（東亞）有限公司 | Connector set with built-in locking mechanism and socket connector thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452727A (en) * | 1982-06-28 | 1984-06-05 | Allied Corporation | Solution of a chalcogen-containing polymer and process of forming conducting polymer articles therefrom |
| US4456548A (en) * | 1981-10-08 | 1984-06-26 | Standard Oil Company (Indiana) | Composition and method for making conductive polymers |
| US4616067A (en) * | 1983-11-23 | 1986-10-07 | Gte Laboratories Incorporated | Electrically conductive polymer blends of an acetylene polymer and a triblock thermoplastic elastomer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418755B2 (enExample) * | 1973-03-07 | 1979-07-10 | ||
| JPS59158016A (ja) * | 1983-02-28 | 1984-09-07 | ティーディーケイ株式会社 | 電磁シ−ルド材料 |
| US4678716A (en) * | 1985-08-06 | 1987-07-07 | Chomerics, Inc. | Electromagnetic shielding |
-
1988
- 1988-09-30 US US07/252,516 patent/US4948922A/en not_active Expired - Fee Related
-
1989
- 1989-09-14 EP EP19890911330 patent/EP0442900A4/en not_active Withdrawn
- 1989-09-14 AU AU44083/89A patent/AU652335B2/en not_active Ceased
- 1989-09-14 WO PCT/US1989/003890 patent/WO1990003102A1/en not_active Ceased
- 1989-09-14 JP JP1510546A patent/JPH04507477A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4456548A (en) * | 1981-10-08 | 1984-06-26 | Standard Oil Company (Indiana) | Composition and method for making conductive polymers |
| US4452727A (en) * | 1982-06-28 | 1984-06-05 | Allied Corporation | Solution of a chalcogen-containing polymer and process of forming conducting polymer articles therefrom |
| US4616067A (en) * | 1983-11-23 | 1986-10-07 | Gte Laboratories Incorporated | Electrically conductive polymer blends of an acetylene polymer and a triblock thermoplastic elastomer |
Also Published As
| Publication number | Publication date |
|---|---|
| US4948922A (en) | 1990-08-14 |
| JPH04507477A (ja) | 1992-12-24 |
| WO1990003102A1 (en) | 1990-03-22 |
| US4948922B1 (enExample) | 1992-11-03 |
| EP0442900A1 (en) | 1991-08-28 |
| AU4408389A (en) | 1990-04-02 |
| EP0442900A4 (en) | 1992-04-01 |
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