CA1113577A - Switchable magnetic device and method of manufacturing same - Google Patents

Switchable magnetic device and method of manufacturing same

Info

Publication number
CA1113577A
CA1113577A CA302,456A CA302456A CA1113577A CA 1113577 A CA1113577 A CA 1113577A CA 302456 A CA302456 A CA 302456A CA 1113577 A CA1113577 A CA 1113577A
Authority
CA
Canada
Prior art keywords
wire
state
iron
cobalt
shell
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
Application number
CA302,456A
Other languages
English (en)
French (fr)
Inventor
John R. Wiegand
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.)
ECHLIN MANUFACTURING Co (THE)
Original Assignee
ECHLIN MANUFACTURING Co (THE)
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 ECHLIN MANUFACTURING Co (THE) filed Critical ECHLIN MANUFACTURING Co (THE)
Application granted granted Critical
Publication of CA1113577A publication Critical patent/CA1113577A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/155—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements with cylindrical configuration
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5607—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using magnetic storage elements
    • 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
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0304—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/45—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of non-linear magnetic or dielectric devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Measuring Magnetic Variables (AREA)
  • Heat Treatment Of Articles (AREA)
  • Hard Magnetic Materials (AREA)
CA302,456A 1977-05-03 1978-05-02 Switchable magnetic device and method of manufacturing same Expired CA1113577A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79339477A 1977-05-03 1977-05-03
US793,394 1985-10-31

Publications (1)

Publication Number Publication Date
CA1113577A true CA1113577A (en) 1981-12-01

Family

ID=25159820

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302,456A Expired CA1113577A (en) 1977-05-03 1978-05-02 Switchable magnetic device and method of manufacturing same

Country Status (18)

Country Link
JP (1) JPS53137641A (sv)
AU (1) AU520310B2 (sv)
BE (1) BE866645A (sv)
BR (1) BR7802730A (sv)
CA (1) CA1113577A (sv)
CH (1) CH628460A5 (sv)
DE (1) DE2819305A1 (sv)
FR (1) FR2389986B1 (sv)
GB (2) GB1604204A (sv)
IL (1) IL54601A (sv)
IN (1) IN150051B (sv)
IT (1) IT1095711B (sv)
MX (1) MX148825A (sv)
NL (1) NL188057C (sv)
NZ (1) NZ187126A (sv)
SE (1) SE429075B (sv)
SU (1) SU1041048A3 (sv)
ZA (1) ZA782533B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263523A (en) * 1978-04-18 1981-04-21 The Echlin Manufacturing Company Pulse generator using read head with Wiegand wire
JPS567221A (en) * 1979-06-27 1981-01-24 Matsushita Electric Ind Co Ltd Magnetic recording and reproducing device
DE3152008C1 (de) * 1981-12-31 1983-07-07 Fried. Krupp Gmbh, 4300 Essen Langgestreckter magnetischer Schaltkern
DE3203133C2 (de) * 1982-01-30 1991-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines magnetischen Drahtes
DE3440918A1 (de) * 1984-11-09 1986-05-15 Vacuumschmelze Gmbh, 6450 Hanau Verfahren zur herstellung eines magnetischen schaltelements, das sich auch bei langsamer feldaenderung schnell ummagnetisiert
DE3764184D1 (de) * 1986-06-05 1990-09-13 Siemens Ag Stromgrenzwertgeber fuer elektrische schuetzlinge.
DE4124776A1 (de) * 1991-07-26 1993-01-28 Schaeffler Waelzlager Kg Verfahren zur herstellung eines impulsgebers mit wechselnd angeordneten amagnetischen und magnetisierbaren feldern sowie nach dem verfahren hergestellter impulsgeber
JP4524461B2 (ja) * 2003-10-24 2010-08-18 ヒロセ電機株式会社 ジャンプ素子を利用したセンサの自己診断方法および装置
DE102017002939B3 (de) 2017-03-24 2018-07-19 Sew-Eurodrive Gmbh & Co Kg Vorrichtung, insbesondere Maschine, zum Herstellen von Wieganddraht aus einem Draht, insbesondere Impulsdraht, und Verfahren zum Betreiben der Vorrichtung
JPWO2023074693A1 (sv) 2021-11-01 2023-05-04
DE102021129789A1 (de) 2021-11-16 2023-05-17 Fraba B.V. Anordnung und Verfahren zur Herstellung eines magnetisch bistabilen Impulsdrahts aus einem Draht

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3820090A (en) * 1970-01-26 1974-06-25 Vlinsky M Bistable magnetic device
US3892118A (en) * 1970-01-26 1975-07-01 Velinsky Milton Method of manufacturing bistable magnetic device

Also Published As

Publication number Publication date
ZA782533B (en) 1979-04-25
IL54601A (en) 1980-07-31
BE866645A (fr) 1978-09-01
NL188057C (nl) 1992-03-16
GB1604205A (en) 1981-12-02
GB1604204A (en) 1981-12-02
MX148825A (es) 1983-06-24
JPS53137641A (en) 1978-12-01
BR7802730A (pt) 1978-12-19
DE2819305C2 (sv) 1989-11-09
FR2389986A1 (sv) 1978-12-01
IT1095711B (it) 1985-08-17
SE429075B (sv) 1983-08-08
AU3560278A (en) 1979-11-08
CH628460A5 (en) 1982-02-26
AU520310B2 (en) 1982-01-28
NZ187126A (en) 1982-03-30
IN150051B (sv) 1982-07-10
NL7804760A (nl) 1978-11-07
JPS6128196B2 (sv) 1986-06-28
SE7805023L (sv) 1978-11-04
FR2389986B1 (sv) 1986-01-03
SU1041048A3 (ru) 1983-09-07
NL188057B (nl) 1991-10-16
IL54601A0 (en) 1978-07-31
DE2819305A1 (de) 1978-11-23
IT7822914A0 (it) 1978-05-02

Similar Documents

Publication Publication Date Title
US4247601A (en) Switchable magnetic device
CA1113577A (en) Switchable magnetic device and method of manufacturing same
US3892118A (en) Method of manufacturing bistable magnetic device
Vazquez et al. Magnetic bistability of amorphous wires and sensor applications
US5565849A (en) Self-biased magnetostrictive element for magnetomechanical electronic article surveillance systems
JP2001523030A (ja) アモルファスリボンの焼鈍方法および電子商品監視用マーカ
US4591788A (en) Magnetic field sensing device
CA1144640A (en) Pulse generator using read head with wiegand wire
JPH0230448B2 (sv)
US5870328A (en) Bistable magnetic element and method of manufacturing the same
US5130698A (en) Deactivatable anti-theft security strip
JPS63263817A (ja) パルス発生器及びパルス発生方法
US4484090A (en) Pulse generator with shaped magnetic field
JP4596136B2 (ja) 大バルクハウゼンジャンプ発現性パルス発生素子用のクラッドワイヤの製造方法、パルス発生素子及びパルス発生装置
JPH10282194A (ja) 磁気センサ及び感磁性ワイヤ用鉄−ニッケル系合金線材
Matsushita et al. Power generating device using compound magnetic wire
Chen et al. AC magnetization analyses in iron-rich amorphous wires
JPH08138919A (ja) 感磁性ワイヤとその製造方法および製造装置
Boyd Magnetoelastic resonances in ferrite memory cores
JPH08184656A (ja) 磁気センサ
JP3120254B2 (ja) 磁性線材の製造方法
Abe et al. Bias magnetic effect using compound magnetic wire sensor in AC magnetic field
JPH03297215A (ja) 同軸円筒状複合磁性体を用いた感磁パルス発生装置
JP2000164414A (ja) 金属細線、磁気素子およびその製造方法
SU1583897A1 (ru) Способ магнитной обработки ферромагнетика

Legal Events

Date Code Title Description
MKEX Expiry