DE69426746D1 - Magnetische Streifen und ihrer Herstellungsverfahren - Google Patents

Magnetische Streifen und ihrer Herstellungsverfahren

Info

Publication number
DE69426746D1
DE69426746D1 DE69426746T DE69426746T DE69426746D1 DE 69426746 D1 DE69426746 D1 DE 69426746D1 DE 69426746 T DE69426746 T DE 69426746T DE 69426746 T DE69426746 T DE 69426746T DE 69426746 D1 DE69426746 D1 DE 69426746D1
Authority
DE
Germany
Prior art keywords
magnetic strips
manufacturing processes
strips
carbon content
strip
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
DE69426746T
Other languages
English (en)
Other versions
DE69426746T2 (de
Inventor
Neil R Dr Manning
Richard L Anderson
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.)
SPS Technologies LLC
Original Assignee
SPS Technologies LLC
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 SPS Technologies LLC filed Critical SPS Technologies LLC
Application granted granted Critical
Publication of DE69426746D1 publication Critical patent/DE69426746D1/de
Publication of DE69426746T2 publication Critical patent/DE69426746T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • 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
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • 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
    • H01F1/16—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 in the form of sheets
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
DE69426746T 1993-08-30 1994-08-26 Magnetische Streifen und ihrer Herstellungsverfahren Expired - Fee Related DE69426746T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/114,439 US5431746A (en) 1993-08-30 1993-08-30 Method for making thin magnetic strips

Publications (2)

Publication Number Publication Date
DE69426746D1 true DE69426746D1 (de) 2001-04-05
DE69426746T2 DE69426746T2 (de) 2001-06-21

Family

ID=22355216

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426746T Expired - Fee Related DE69426746T2 (de) 1993-08-30 1994-08-26 Magnetische Streifen und ihrer Herstellungsverfahren

Country Status (7)

Country Link
US (2) US5431746A (de)
EP (1) EP0640692B1 (de)
AT (1) ATE199402T1 (de)
CA (1) CA2130682A1 (de)
DE (1) DE69426746T2 (de)
ES (1) ES2156883T3 (de)
GR (1) GR3035916T3 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6938825B1 (en) 1989-04-24 2005-09-06 Ultracard, Inc. Data system
US5716460A (en) * 1996-05-08 1998-02-10 The Arnold Engineering Company Methods for making magnetic strips
EP0909832A1 (de) * 1997-10-17 1999-04-21 RECHERCHE ET DEVELOPPEMENT DU GROUPE COCKERILL SAMBRE, en abrégé: RD-CS Verfahren zum Einstellen der Zusammensetzung eines metallischen Erzeugnisses
US6871787B1 (en) 1998-07-10 2005-03-29 Ultracard, Inc. Data storage card having a glass substrate and data surface region and method for using same
US7036739B1 (en) 1999-10-23 2006-05-02 Ultracard, Inc. Data storage device apparatus and method for using same
US8397998B1 (en) 1999-10-23 2013-03-19 Ultracard, Inc. Data storage device, apparatus and method for using same
US7487908B1 (en) 1999-10-23 2009-02-10 Ultracard, Inc. Article having an embedded accessible storage member, apparatus and method for using same
SE519410C2 (sv) * 2000-05-19 2003-02-25 Expand Int Ab Arrangemang utnyttjande en magnetisk attraktionskraft
US6969006B1 (en) 2000-09-15 2005-11-29 Ultracard, Inc. Rotable portable card having a data storage device, apparatus and method for using same
US7815749B2 (en) * 2006-06-29 2010-10-19 Hitachi Metals, Ltd. Method for manufacturing semi-hard magnetic material and semi-hard magnetic material
CN101490302A (zh) * 2006-07-24 2009-07-22 斯瓦戈洛克公司 具有高间隙含量的金属制品
US9656512B1 (en) 2014-09-26 2017-05-23 Ellis Graphics, Inc. Circumferential magnetic device covers and methods of manufacture
DE102016222781A1 (de) * 2016-11-18 2018-05-24 Vacuumschmelze Gmbh & Co. Kg Halbhartmagnetische Legierung für einen Aktivierungsstreifen, Anzeigeelement und Verfahren zum Herstellen einer halbhartmagnetischen Legierung
CN108885676A (zh) * 2017-02-09 2018-11-23 斯蒂芬·莱波尔德 磁性隐私屏幕

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626777C (de) * 1929-03-08 1936-03-02 Edelstahlwerke Akt Ges Deutsch Chromstahl fuer Dauermagnete
US3445299A (en) * 1968-07-22 1969-05-20 Blackstone Corp Cast ferrous material of high magnetic permeability
GB1471880A (en) * 1973-10-26 1977-04-27 Air Prod & Chem Furnace atmosphere for the heat treatment of ferrous metal
DE2445684A1 (de) * 1974-09-25 1976-04-08 Picard Fa Carl Aug Verfahren zum haerten von maschinenbauteilen sowie nach diesem verfahren hergestelltes maschinenbauteil
US4059462A (en) * 1974-12-26 1977-11-22 The Foundation: The Research Institute Of Electric And Magnetic Alloys Niobium-iron rectangular hysteresis magnetic alloy
US4152177A (en) * 1977-02-03 1979-05-01 General Motors Corporation Method of gas carburizing
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
JPS62227078A (ja) * 1986-03-28 1987-10-06 Nippon Kokan Kk <Nkk> 連続ラインにおける高珪素鋼帯の製造方法
US5278573A (en) * 1990-08-06 1994-01-11 Sensormatic Electronics Corporation Electronic article surveillance system and tag circuit components therefor
US5257009A (en) * 1991-08-26 1993-10-26 Sensormatic Electronics Corporation Reradiating EAS tag with voltage dependent capacitance to provide tag activation and deactivation
US5367289A (en) * 1991-11-27 1994-11-22 Sensormatic Electronics Corporation Alarm tag for an electronic article surveillance system
US5341125A (en) * 1992-01-15 1994-08-23 Sensormatic Electronics Corporation Deactivating device for deactivating EAS dual status magnetic tags
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
US5357240A (en) * 1992-10-16 1994-10-18 Sensormatic Electronics Corporation EAS tag with mechanically vibrating magnetic element and improved housing and method of making same
US5285194A (en) * 1992-11-16 1994-02-08 Sensormatic Electronics Corporation Electronic article surveillance system with transition zone tag monitoring

Also Published As

Publication number Publication date
EP0640692A1 (de) 1995-03-01
DE69426746T2 (de) 2001-06-21
GR3035916T3 (en) 2001-08-31
US5611872A (en) 1997-03-18
EP0640692B1 (de) 2001-02-28
ES2156883T3 (es) 2001-08-01
ATE199402T1 (de) 2001-03-15
CA2130682A1 (en) 1995-03-01
US5431746A (en) 1995-07-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee