TWI556719B - 電磁波隔離體 - Google Patents

電磁波隔離體 Download PDF

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Publication number
TWI556719B
TWI556719B TW100142140A TW100142140A TWI556719B TW I556719 B TWI556719 B TW I556719B TW 100142140 A TW100142140 A TW 100142140A TW 100142140 A TW100142140 A TW 100142140A TW I556719 B TWI556719 B TW I556719B
Authority
TW
Taiwan
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Application number
TW100142140A
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English (en)
Chinese (zh)
Other versions
TW201225833A (en
Inventor
瓦特 羅素 羅曼可
Original Assignee
３Ｍ新設資產公司
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新設資產公司 filed Critical ３Ｍ新設資產公司
Publication of TW201225833A publication Critical patent/TW201225833A/zh
Application granted granted Critical
Publication of TWI556719B publication Critical patent/TWI556719B/zh

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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)
  • Waveguide Connection Structure (AREA)
  • Aerials With Secondary Devices (AREA)
  • Soft Magnetic Materials (AREA)
TW100142140A 2010-11-18 2011-11-17 電磁波隔離體 TWI556719B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41509010P 2010-11-18 2010-11-18

Publications (2)

Publication Number Publication Date
TW201225833A TW201225833A (en) 2012-06-16
TWI556719B true TWI556719B (zh) 2016-11-01

Family

ID=44947262

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100142140A TWI556719B (zh) 2010-11-18 2011-11-17 電磁波隔離體

Country Status (12)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9785807B2 (en) 2006-11-18 2017-10-10 Rfmicron, Inc. Method and apparatus for sensing environment using a wireless passive sensor
US11817637B2 (en) 2006-11-18 2023-11-14 Rfmicron, Inc. Radio frequency identification (RFID) moisture tag(s) and sensors with extended sensing via capillaries
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
WO2015184460A2 (en) 2014-05-30 2015-12-03 Rfmicron Method and apparatus for sensing environmental parameters using wireless sensor(s)
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
US10734725B2 (en) 2015-12-08 2020-08-04 3M Innovative Properties Company Magnetic isolator, method of making the same, and device containing the same
JP2019504482A (ja) 2015-12-08 2019-02-14 スリーエム イノベイティブ プロパティズ カンパニー 磁気遮断材、その製造方法及びそれを含むデバイス
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 (5)

* 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
US20060097057A1 (en) * 2004-10-25 2006-05-11 Porad Kenneth D Reducing electromagnetic interference in radio frequency identification applications
US20090015456A1 (en) * 2007-07-11 2009-01-15 Finisar Corporation Anechoic structures for absorbing electromagnetic interference in a communications module
CN101563400A (zh) * 2006-12-22 2009-10-21 3M创新有限公司 制备分散体的方法
US20100156732A1 (en) * 2008-12-22 2010-06-24 Kabushiki Kaisha Toshiba Radio apparatus and antenna device including magnetic material for isolation

Family Cites Families (14)

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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
JP2002009483A (ja) * 2000-06-26 2002-01-11 Kitagawa Ind Co Ltd 電波吸収体
EP1342287A4 (en) * 2000-12-14 2004-09-01 Xellant Inc VIRTUAL MAGNETIC WALL ANTENNA
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
EP1689030A4 (en) * 2003-11-14 2008-01-02 Hitachi Ltd RADAR ON VEHICLES
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
CN101672987B (zh) * 2008-09-12 2013-01-02 华为技术有限公司 光隔离器、光分插复用器和光合束器
JP5698982B2 (ja) * 2008-09-30 2015-04-08 凸版印刷株式会社 照明ランプ及びナノ炭素材料複合基板とその製造方法

Patent Citations (5)

* 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
US20060097057A1 (en) * 2004-10-25 2006-05-11 Porad Kenneth D Reducing electromagnetic interference in radio frequency identification applications
CN101563400A (zh) * 2006-12-22 2009-10-21 3M创新有限公司 制备分散体的方法
US20090015456A1 (en) * 2007-07-11 2009-01-15 Finisar Corporation Anechoic structures for absorbing electromagnetic interference in a communications module
US20100156732A1 (en) * 2008-12-22 2010-06-24 Kabushiki Kaisha Toshiba Radio apparatus and antenna device including magnetic material for isolation

Also Published As

Publication number Publication date
JP2014504062A (ja) 2014-02-13
CN103201901B (zh) 2015-11-25
TW201225833A (en) 2012-06-16
BR112013011388A2 (pt) 2019-09-24
WO2012067846A1 (en) 2012-05-24
KR20130130738A (ko) 2013-12-02
RU2013121424A (ru) 2014-12-27
US20120126911A1 (en) 2012-05-24
JP2017200232A (ja) 2017-11-02
EP2641295A1 (en) 2013-09-25
MX2013005386A (es) 2013-07-29
CA2817214A1 (en) 2012-05-24
SG190184A1 (en) 2013-06-28
CN103201901A (zh) 2013-07-10

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