HK1020630A1 - Annealing magnetic elements for stable magnetic properties. - Google Patents

Annealing magnetic elements for stable magnetic properties.

Info

Publication number
HK1020630A1
HK1020630A1 HK99104561A HK99104561A HK1020630A1 HK 1020630 A1 HK1020630 A1 HK 1020630A1 HK 99104561 A HK99104561 A HK 99104561A HK 99104561 A HK99104561 A HK 99104561A HK 1020630 A1 HK1020630 A1 HK 1020630A1
Authority
HK
Hong Kong
Prior art keywords
annealing
magnetic
stable
elements
properties
Prior art date
Application number
HK99104561A
Other languages
English (en)
Inventor
Dennis M Gadonniex
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
Publication of HK1020630A1 publication Critical patent/HK1020630A1/xx

Links

Classifications

    • 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
    • H01F1/15341—Preparation processes therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/003—Anneal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/022—Controlled atmosphere
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/071—Heating, selective

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Burglar Alarm Systems (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
HK99104561A 1996-07-01 1999-10-14 Annealing magnetic elements for stable magnetic properties. HK1020630A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/673,927 US5870021A (en) 1996-07-01 1996-07-01 Annealing magnetic elements for stable mechanical properties
PCT/US1997/011048 WO1998000821A1 (fr) 1996-07-01 1997-06-25 Recuit conferant des proprietes mecaniques stables a des elements magnetiques

Publications (1)

Publication Number Publication Date
HK1020630A1 true HK1020630A1 (en) 2000-05-12

Family

ID=24704659

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99104561A HK1020630A1 (en) 1996-07-01 1999-10-14 Annealing magnetic elements for stable magnetic properties.

Country Status (10)

Country Link
US (1) US5870021A (fr)
EP (1) EP0907939B1 (fr)
JP (1) JP4731641B2 (fr)
AR (1) AR007685A1 (fr)
AU (1) AU727483B2 (fr)
BR (1) BR9710116B1 (fr)
CA (1) CA2259518C (fr)
DE (1) DE69728667T2 (fr)
HK (1) HK1020630A1 (fr)
WO (1) WO1998000821A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5729200A (en) † 1996-08-28 1998-03-17 Sensormatic Electronics Corporation Magnetomechanical electronic article surveilliance marker with bias element having abrupt deactivation/magnetization characteristic
DE60123756T2 (de) * 2000-07-17 2007-08-23 NHK Spring Co., Ltd., Yokohama Magnetischer markierer und seine herstellung
MXPA06004104A (es) * 2003-10-09 2007-03-21 Corelogic Systems Inc Sistemas y metodos de diligencias debidas de transaccion finaciera automatizada.
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510490A (en) * 1982-04-29 1985-04-09 Allied Corporation Coded surveillance system having magnetomechanical marker
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
US5252144A (en) * 1991-11-04 1993-10-12 Allied Signal Inc. Heat treatment process and soft magnetic alloys produced thereby
US5313192A (en) * 1992-07-02 1994-05-17 Sensormatic Electronics Corp. Deactivatable/reactivatable magnetic marker having a step change in magnetic flux
US5351033A (en) * 1992-10-01 1994-09-27 Sensormatic Electronics Corporation Semi-hard magnetic elements and method of making same
US5469140A (en) * 1994-06-30 1995-11-21 Sensormatic Electronics Corporation Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
JPH0863562A (ja) * 1994-08-25 1996-03-08 Toppan Printing Co Ltd 磁気記録媒体
JPH0896100A (ja) * 1994-09-29 1996-04-12 Toppan Printing Co Ltd 磁気記録媒体およびその情報読み取り方法
US5684459A (en) * 1995-10-02 1997-11-04 Sensormatic Electronics Corporation Curvature-reduction annealing of amorphous metal alloy ribbon

Also Published As

Publication number Publication date
CA2259518A1 (fr) 1998-01-08
DE69728667T2 (de) 2005-04-07
DE69728667D1 (de) 2004-05-19
AU3503897A (en) 1998-01-21
US5870021A (en) 1999-02-09
BR9710116B1 (pt) 2009-01-13
EP0907939B1 (fr) 2004-04-14
JP2000514245A (ja) 2000-10-24
AU727483B2 (en) 2000-12-14
EP0907939A4 (fr) 2001-05-23
BR9710116A (pt) 1999-08-10
EP0907939A1 (fr) 1999-04-14
AR007685A1 (es) 1999-11-10
JP4731641B2 (ja) 2011-07-27
CA2259518C (fr) 2009-04-28
WO1998000821A1 (fr) 1998-01-08

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Legal Events

Date Code Title Description
AS Change of ownership

Owner name: SENSORMATIC ELECTRONICS CORPORATION

Free format text: FORMER OWNER(S): SENSORMATIC ELECTRONICS CORPORATION

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130625