CN103201901B - 电磁波隔离器 - Google Patents

电磁波隔离器 Download PDF

Info

Publication number
CN103201901B
CN103201901B CN201180053909.8A CN201180053909A CN103201901B CN 103201901 B CN103201901 B CN 103201901B CN 201180053909 A CN201180053909 A CN 201180053909A CN 103201901 B CN103201901 B CN 103201901B
Authority
CN
China
Prior art keywords
microstructured
section
article
isolator
segment
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
CN201180053909.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN103201901A (zh
Inventor
沃尔特·R·罗曼科
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 Innovative Properties Co
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN103201901A publication Critical patent/CN103201901A/zh
Application granted granted Critical
Publication of CN103201901B publication Critical patent/CN103201901B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/36—Isolators
    • 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
    • H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)
  • Details Of Aerials (AREA)
  • Soft Magnetic Materials (AREA)
  • Waveguide Connection Structure (AREA)
  • Aerials With Secondary Devices (AREA)
CN201180053909.8A 2010-11-18 2011-11-04 电磁波隔离器 Expired - Fee Related CN103201901B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41509010P 2010-11-18 2010-11-18
US61/415,090 2010-11-18
PCT/US2011/059300 WO2012067846A1 (en) 2010-11-18 2011-11-04 Electromagnetic wave isolator

Publications (2)

Publication Number Publication Date
CN103201901A CN103201901A (zh) 2013-07-10
CN103201901B true CN103201901B (zh) 2015-11-25

Family

ID=44947262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180053909.8A Expired - Fee Related CN103201901B (zh) 2010-11-18 2011-11-04 电磁波隔离器

Country Status (12)

Country Link
US (1) US20120126911A1 (https=)
EP (1) EP2641295A1 (https=)
JP (2) JP2014504062A (https=)
KR (1) KR20130130738A (https=)
CN (1) CN103201901B (https=)
BR (1) BR112013011388A2 (https=)
CA (1) CA2817214A1 (https=)
MX (1) MX2013005386A (https=)
RU (1) RU2013121424A (https=)
SG (1) SG190184A1 (https=)
TW (1) TWI556719B (https=)
WO (1) WO2012067846A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11817637B2 (en) 2006-11-18 2023-11-14 Rfmicron, Inc. Radio frequency identification (RFID) moisture tag(s) and sensors with extended sensing via capillaries
US9991596B2 (en) * 2006-11-18 2018-06-05 Rfmicron, Inc. Method and apparatus for sensing environmental parameters using wireless sensor(s)
US9785807B2 (en) 2006-11-18 2017-10-10 Rfmicron, Inc. Method and apparatus for sensing environment using a wireless passive sensor
US20130330511A1 (en) * 2012-06-08 2013-12-12 Fred Sharifi Gigahertz electromagnetic absorption in a material with textured surface
JP5479540B2 (ja) * 2012-07-10 2014-04-23 株式会社リケン 電波吸収体
US10037509B1 (en) 2014-06-17 2018-07-31 Amazon Technologies, Inc. Efficient monitoring of inventory items
US10176449B1 (en) 2014-08-08 2019-01-08 Amazon Technologies, Inc. Timeout durations for radio frequency identification tags
WO2016060938A2 (en) 2014-10-08 2016-04-21 RF Micron, Inc. Radio frequency identification (rfid) moisture tag(s) and sensors with extended sensing via capillaries
EP3387702A4 (en) 2015-12-08 2019-06-19 3M Innovative Properties Company MAGNETIC ISOLATOR, METHOD FOR THE MANUFACTURE THEREOF AND DEVICE THEREFOR
WO2017099993A1 (en) 2015-12-08 2017-06-15 3M Innovative Properties Company Magnetic isolator, method of making the same, and device containing the same
CN109096487A (zh) * 2017-06-20 2018-12-28 赵云飞 钛酸钡/聚苯胺复合材料的制备方法及其应用
CN110230096A (zh) * 2019-06-26 2019-09-13 中国科学院上海光学精密机械研究所 三硼酸锂晶体表面增透微结构及其制备方法
CN115911820A (zh) * 2021-09-22 2023-04-04 安弗施无线射频系统（上海）有限公司 天线和基站
CN114220646B (zh) * 2021-12-16 2024-01-02 上海无线电设备研究所 一种基于微颗粒的电磁特征主动调控的标准样件的构造方法
TWI825652B (zh) * 2022-04-01 2023-12-11 肥特補科技股份有限公司 隔離片與其製造方法及ｕｈｆ ｒｆｉｄ標籤
GB2630578A (en) * 2023-05-30 2024-12-04 Trak Microwave Ltd RF circulator with non-conductive preform

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047296A (en) * 1987-09-18 1991-09-10 Commissariat A L'energie Atomique Composite magnetic material and its production process
JP2002009483A (ja) * 2000-06-26 2002-01-11 Kitagawa Ind Co Ltd 電波吸収体
WO2002049146A2 (en) * 2000-12-14 2002-06-20 Xellant Inc. Antenna with virtual magnetic wall
CN101563400A (zh) * 2006-12-22 2009-10-21 3M创新有限公司 制备分散体的方法
CN101672987A (zh) * 2008-09-12 2010-03-17 华为技术有限公司 光隔离器、光分插复用器和光合束器
US7830296B2 (en) * 2007-07-11 2010-11-09 Finisar Corporation Anechoic structures for absorbing electromagnetic interference in a communications module

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888408U (ja) * 1981-12-10 1983-06-15 東北金属工業株式会社 電波吸収壁
US5275880A (en) * 1989-05-17 1994-01-04 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
JP2004335999A (ja) * 2003-04-17 2004-11-25 Miyagawa Kasei Ind Co Ltd 電磁波吸収複合体およびその製造方法
CN1810068A (zh) * 2003-06-19 2006-07-26 波零公司 印刷电路板的emi吸收屏蔽
JPWO2005055366A1 (ja) * 2003-11-14 2007-06-28 株式会社日立製作所 車載用レーダ
US7064668B2 (en) * 2004-10-25 2006-06-20 The Boeing Company Reducing electromagnetic interference in radio frequency identification applications
ES2274674B1 (es) * 2004-12-24 2008-04-16 Micromag 2000, S.L. Absorbedor de radiacion electromagnetica basado en microhilos magneticos.
DE102006032833B4 (de) * 2005-08-26 2016-11-03 Honda Motor Co., Ltd. Transponder-Auswertungssystem und Verfahren
JP2007294808A (ja) * 2006-04-27 2007-11-08 Nitto Denko Corp 電磁波を伝導又は吸収する特性を有する構造体
US8013775B2 (en) * 2007-04-30 2011-09-06 Viasat, Inc. Radio frequency absorber
KR100955948B1 (ko) * 2007-12-21 2010-05-03 삼성전기주식회사 다중대역 송신단 모듈 및 이의 제조 방법
KR20110063501A (ko) * 2008-09-30 2011-06-10 도판 인사츠 가부시키가이샤 나노탄소 재료 복합 기판 및 그의 제조 방법
JP5150476B2 (ja) * 2008-12-22 2013-02-20 株式会社東芝 アンテナ装置及び無線装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047296A (en) * 1987-09-18 1991-09-10 Commissariat A L'energie Atomique Composite magnetic material and its production process
JP2002009483A (ja) * 2000-06-26 2002-01-11 Kitagawa Ind Co Ltd 電波吸収体
WO2002049146A2 (en) * 2000-12-14 2002-06-20 Xellant Inc. Antenna with virtual magnetic wall
CN101563400A (zh) * 2006-12-22 2009-10-21 3M创新有限公司 制备分散体的方法
US7830296B2 (en) * 2007-07-11 2010-11-09 Finisar Corporation Anechoic structures for absorbing electromagnetic interference in a communications module
CN101672987A (zh) * 2008-09-12 2010-03-17 华为技术有限公司 光隔离器、光分插复用器和光合束器

Also Published As

Publication number Publication date
CA2817214A1 (en) 2012-05-24
BR112013011388A2 (pt) 2019-09-24
EP2641295A1 (en) 2013-09-25
RU2013121424A (ru) 2014-12-27
TWI556719B (zh) 2016-11-01
WO2012067846A1 (en) 2012-05-24
CN103201901A (zh) 2013-07-10
US20120126911A1 (en) 2012-05-24
MX2013005386A (es) 2013-07-29
SG190184A1 (en) 2013-06-28
JP2017200232A (ja) 2017-11-02
TW201225833A (en) 2012-06-16
JP2014504062A (ja) 2014-02-13
KR20130130738A (ko) 2013-12-02

Similar Documents

Publication Publication Date Title
CN103201901B (zh) 电磁波隔离器
KR101810248B1 (ko) 복합 ｒｆ 태그, 그 복합 ｒｆ 태그를 설치한 공구
US8080995B2 (en) Device housing
CN102007644B (zh) 非接触ic标签
KR20140073393A (ko) 페라이트 그린 시트, 소결 페라이트 시트, 이를 포함하는 페라이트 복합시트 및 도전 루프 안테나 모듈
JPWO2018100975A1 (ja) 複合コイルモジュールおよび磁性シート
CN108281776A (zh) Uhf rfid读卡器系统及其读卡器天线
CN106910978A (zh) 银导电膜及其制造方法
JP5922390B2 (ja) 無線給電用スパイラルアンテナ
JP3981889B2 (ja) 高周波用電子部品
JP2020030703A (ja) Ｒｆタグラベル
Babar et al. Performance of High‐Permittivity Ceramic‐Polymer Composite as a Substrate for UHF RFID Tag Antennas
CN108370086A (zh) 磁隔离器及其制造方法以及包含该磁隔离器的装置
CN109598326A (zh) 超高频抗金属电子标签及生产方法
CN105027229A (zh) 银导电膜及其制造方法
CN203733939U (zh) 超高频电子标签用扇形领结天线
CN203149628U (zh) 一种电子标签
CN201773418U (zh) 一种无线射频识别标签
CN102567775B (zh) 一种多介质结构的uhf_rfid标签及天线
US20150341088A1 (en) Near-field UHF identification system and a method for identifying an object or the kind of an object that is or contains electrically conductive material using near-field identification
CN209231970U (zh) 超高频抗金属电子标签
CN107679612A (zh) 一种防拆双频rfid标签及其制作方法
CN111386534A (zh) Rfid应答器
KR102475403B1 (ko) 자기장 차폐시트, 이의 제조방법, 및 이를 포함하는 근거리통신용 모듈
Lee et al. Design of an Ultra‐Compact UHF Passive RFID Tag Antenna for a Medical Sample Tube

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151125

Termination date: 20181104

CF01 Termination of patent right due to non-payment of annual fee