DE69942373D1 - Eisenreiches magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik - Google Patents

Eisenreiches magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik

Info

Publication number
DE69942373D1
DE69942373D1 DE69942373T DE69942373T DE69942373D1 DE 69942373 D1 DE69942373 D1 DE 69942373D1 DE 69942373 T DE69942373 T DE 69942373T DE 69942373 T DE69942373 T DE 69942373T DE 69942373 D1 DE69942373 D1 DE 69942373D1
Authority
DE
Germany
Prior art keywords
rich
ice
field
magnetostrictive element
dependent resonance
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 - Lifetime
Application number
DE69942373T
Other languages
English (en)
Inventor
Robert C O'handley
Wing K Ho
Ming-Ren Lian
Nen-Chin Liu
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.)
Sensormatic Electronics Corp
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of DE69942373D1 publication Critical patent/DE69942373D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H10N35/80—Constructional details
    • H10N35/85—Magnetostrictive active materials
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15341—Preparation processes therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Burglar Alarm Systems (AREA)
DE69942373T 1998-10-02 1999-09-30 Eisenreiches magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik Expired - Lifetime DE69942373D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/165,566 US6057766A (en) 1997-02-14 1998-10-02 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
PCT/US1999/022565 WO2000021045A2 (en) 1998-10-02 1999-09-30 Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic

Publications (1)

Publication Number Publication Date
DE69942373D1 true DE69942373D1 (de) 2010-06-24

Family

ID=22599465

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942373T Expired - Lifetime DE69942373D1 (de) 1998-10-02 1999-09-30 Eisenreiches magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik

Country Status (10)

Country Link
US (1) US6057766A (de)
EP (1) EP1145202B1 (de)
JP (1) JP4481500B2 (de)
AR (1) AR020685A1 (de)
AU (1) AU757664B2 (de)
BR (1) BR9914189A (de)
CA (1) CA2345814C (de)
DE (1) DE69942373D1 (de)
HK (1) HK1039390A1 (de)
WO (1) WO2000021045A2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6011475A (en) * 1997-11-12 2000-01-04 Vacuumschmelze Gmbh Method of annealing amorphous ribbons and marker for electronic article surveillance
US6359563B1 (en) * 1999-02-10 2002-03-19 Vacuumschmelze Gmbh ‘Magneto-acoustic marker for electronic article surveillance having reduced size and high signal amplitude’
JP3806404B2 (ja) * 2000-07-17 2006-08-09 日本発条株式会社 磁気マーカーとその製造方法
US6645314B1 (en) * 2000-10-02 2003-11-11 Vacuumschmelze Gmbh Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same
JP4537712B2 (ja) * 2002-01-16 2010-09-08 中川特殊鋼株式会社 磁性基材、磁性基材の積層体および積層体の製造方法
KR20040081784A (ko) * 2002-02-11 2004-09-22 유니버시티 오브 버지니아 페이턴트 파운데이션 벌크 응고형 고망간 비강자성 비정질 강철 합금, 이의이용 방법 및 제조 방법
KR100479128B1 (ko) * 2002-07-22 2005-03-28 학교법인 한양학원 디앤에이 교배 검출을 위한 자기변형 바이오센서 및 그 제조방법
US7585459B2 (en) * 2002-10-22 2009-09-08 Höganäs Ab Method of preparing iron-based components
JP4210986B2 (ja) * 2003-01-17 2009-01-21 日立金属株式会社 磁性合金ならびにそれを用いた磁性部品
US7763125B2 (en) * 2003-06-02 2010-07-27 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
USRE47863E1 (en) 2003-06-02 2020-02-18 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US7517415B2 (en) * 2003-06-02 2009-04-14 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US7188007B2 (en) * 2003-12-24 2007-03-06 The Boeing Company Apparatuses and methods for displaying and receiving tactical and strategic flight guidance information
US8998973B2 (en) * 2004-03-02 2015-04-07 Boston Scientific Scimed, Inc. Medical devices including metallic films
US20060142838A1 (en) * 2004-12-29 2006-06-29 Masoud Molaei Medical devices including metallic films and methods for loading and deploying same
JP4636365B2 (ja) * 2004-07-05 2011-02-23 日立金属株式会社 Ｆｅ基非晶質合金薄帯および磁心体
US9051630B2 (en) * 2005-02-24 2015-06-09 University Of Virginia Patent Foundation Amorphous steel composites with enhanced strengths, elastic properties and ductilities
US20080030339A1 (en) * 2006-08-07 2008-02-07 Tci, Ltd. Electronic article surveillance marker
DE102006047022B4 (de) 2006-10-02 2009-04-02 Vacuumschmelze Gmbh & Co. Kg Anzeigeelement für ein magnetisches Diebstahlsicherungssystem sowie Verfahren zu dessen Herstellung
WO2009055710A2 (en) * 2007-10-26 2009-04-30 University Of Utah Research Foundation Strong and ductile low-field magnetostrictive alloys
CN102298815B (zh) * 2011-05-20 2014-03-12 宁波讯强电子科技有限公司 一种高矫顽力偏置片、其制造方法及用其制成的声磁防盗标签
KR101509638B1 (ko) 2013-02-25 2015-04-08 주식회사 포스코 철계 고탄소 비정질 합금
KR102367916B1 (ko) * 2014-06-09 2022-02-25 삼성전자주식회사 비정질 합금
US9275529B1 (en) 2014-06-09 2016-03-01 Tyco Fire And Security Gmbh Enhanced signal amplitude in acoustic-magnetomechanical EAS marker
US9640852B2 (en) 2014-06-09 2017-05-02 Tyco Fire & Security Gmbh Enhanced signal amplitude in acoustic-magnetomechanical EAS marker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04500985A (ja) * 1988-09-26 1992-02-20 アライド―シグナル・インコーポレーテッド 機械的共鳴ターゲット監視系用の金属ガラス合金
US5252144A (en) * 1991-11-04 1993-10-12 Allied Signal Inc. Heat treatment process and soft magnetic alloys produced thereby
US5395460A (en) * 1992-10-16 1995-03-07 Alliedsignal Inc. Harmonic markers made from Fe-Ni based soft magnetic alloys having nanocrystalline structure
US5935347A (en) * 1993-12-28 1999-08-10 Alps Electric Co., Ltd. FE-base soft magnetic alloy and laminated magnetic core by using the same
US5628840A (en) * 1995-04-13 1997-05-13 Alliedsignal Inc. Metallic glass alloys for mechanically resonant marker surveillance systems
US6093261A (en) * 1995-04-13 2000-07-25 Alliedsignals Inc. Metallic glass alloys for mechanically resonant marker surveillance systems
JP3954660B2 (ja) * 1995-07-27 2007-08-08 ユニチカ株式会社 Ｆｅ族基非晶質金属薄帯
US5923504A (en) * 1995-09-21 1999-07-13 Tdk Corporation Magnetoresistance device
US5949334A (en) * 1995-10-02 1999-09-07 Sensormatic Electronics Corporation Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
DE19545755A1 (de) * 1995-12-07 1997-06-12 Vacuumschmelze Gmbh Verwendung einer amorphen Legierung für magnetoelastisch anregbare Etiketten in auf mechanischer Resonanz basierenden Überwachungssystemen

Also Published As

Publication number Publication date
AR020685A1 (es) 2002-05-22
AU757664B2 (en) 2003-02-27
EP1145202A2 (de) 2001-10-17
AU2343000A (en) 2000-04-26
CA2345814C (en) 2008-04-01
CA2345814A1 (en) 2000-04-13
WO2000021045A3 (en) 2000-09-14
JP2002526664A (ja) 2002-08-20
EP1145202B1 (de) 2010-05-12
US6057766A (en) 2000-05-02
HK1039390A1 (en) 2002-04-19
WO2000021045A2 (en) 2000-04-13
BR9914189A (pt) 2001-06-19
EP1145202A4 (de) 2004-06-16
JP4481500B2 (ja) 2010-06-16

Similar Documents

Publication Publication Date Title
DE69942373D1 (de) Eisenreiches magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik
DE60026795D1 (de) Gerät magnetischer Resonanz
DE69931611D1 (de) Magnetresonanz bildgebungsvorrichtung
DE59812918D1 (de) MR-Gerät mit einer HF-Spulenanordnung
DE60104580D1 (de) Empfangsvorrichtung mit Gruppenantennen
DE60117015D1 (de) Wellenmontage mit verbesserter stabilität
DE19982489D2 (de) Drehriegelverschluss mit Zugeinrichtung
DE69829029D1 (de) Kernspintomograph mit planarer Gradientenspulenanordnung
DE69622131D1 (de) Chip-Antenne mit Mehrfach-Resonanzfrequenzen
DE60137058D1 (de) Planares induktives element
DE60123116D1 (de) Sensoren des lwd-typs (logging-while-drilling) mit rippenanbringung
DE69826737D1 (de) Magnetisches Speichergerät mit magnetoresistivem Element
NO990710D0 (no) Vidvinkelantenne med sirkulµr polarisering
DE60027642D1 (de) Photoleitfähiger Schalter mit verbesserter Halbleiterstruktur
DE60021689D1 (de) Multifunktioneller integriert-optischer Chip mit verbessertem Polarisationsauslöschungsverhältnis
DE69925193D1 (de) Mehrfrequenz-Magnetresonanzbildgebung
ITMI20000603A0 (it) Procedimento e dispositivo per il trasferimento di portatori di carica con spin polarizzato
DE69838777D1 (de) Elektronisches Uhrwerk mit thermoelektrischem Element
DE60029554D1 (de) Halbleiterbauelement mit hochspannungselement
DE69831765D1 (de) Integriertes optisches Bauelement mit Polarisationseffekt
DE59913804D1 (de) Dual polarisiertes Antennenelement
GB0019506D0 (en) Magnetic element with switchable domain structure
FR2825806B1 (fr) Circuit de polarisation a point de fonctionnement stable en tension et en temperature
DE69830477D1 (de) Magnetostriktives element mit optimierter polarisationsfeldabhängiger resonanzfrequenzcharakteristik
DE69800272D1 (de) Bauelementanordnung mit magnetfeldgesteuertem Transistor

Legal Events

Date Code Title Description
8364 No opposition during term of opposition