DE3070224D1 - Multichannel magnetic head, apparatus using such a head and manufacturing method for such a head - Google Patents

Multichannel magnetic head, apparatus using such a head and manufacturing method for such a head

Info

Publication number
DE3070224D1
DE3070224D1 DE8080106991T DE3070224T DE3070224D1 DE 3070224 D1 DE3070224 D1 DE 3070224D1 DE 8080106991 T DE8080106991 T DE 8080106991T DE 3070224 T DE3070224 T DE 3070224T DE 3070224 D1 DE3070224 D1 DE 3070224D1
Authority
DE
Germany
Prior art keywords
head
manufacturing
multichannel magnetic
magnetic head
multichannel
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
DE8080106991T
Other languages
English (en)
Inventor
Yoshifumi Sakurai
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Application granted granted Critical
Publication of DE3070224D1 publication Critical patent/DE3070224D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/372—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in magnetic thin films
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/372—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in magnetic thin films
    • G11B5/374—Integrated structures
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/4906—Providing winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Thin Magnetic Films (AREA)
DE8080106991T 1979-11-14 1980-11-12 Multichannel magnetic head, apparatus using such a head and manufacturing method for such a head Expired DE3070224D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14732779A JPS5671819A (en) 1979-11-14 1979-11-14 Multichannel magnetic head and its manufacture

Publications (1)

Publication Number Publication Date
DE3070224D1 true DE3070224D1 (en) 1985-03-28

Family

ID=15427668

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080106991T Expired DE3070224D1 (en) 1979-11-14 1980-11-12 Multichannel magnetic head, apparatus using such a head and manufacturing method for such a head

Country Status (4)

Country Link
US (1) US4388661A (de)
EP (1) EP0029550B1 (de)
JP (1) JPS5671819A (de)
DE (1) DE3070224D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3586990T2 (de) * 1984-10-05 1993-04-29 Olympus Optical Co Kombinierter magnetkopf.
CH670913A5 (en) * 1986-01-27 1989-07-14 Studer Willi Ag Dual track magnetic recording with cross-talk compensation - adding reduced amplitude signal of opposing polarity to recording signal
EP0375342B1 (de) * 1988-12-21 1995-02-15 Matsushita Electric Industrial Co., Ltd. Datenaufzeichnungs-wiedergabegerät auf einer Aufzeichnungsscheibe
JP3400378B2 (ja) 1999-03-26 2003-04-28 アルプス電気株式会社 薄膜磁気ヘッドを用いた回転ヘッド組立体

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114009A (en) * 1957-03-07 1963-12-10 Armour Res Found Hall element magnetic transducer
DE1102251B (de) * 1959-08-07 1961-03-16 Siemens Ag Magnetfeldabhaengiger Widerstand und seine Verwendung in einer Einrichtung zur Umwandlung von mechanischen Bewegungen in Widerstandsaenderungen
US3213359A (en) * 1963-01-15 1965-10-19 Gen Dynamics Corp Non-inductive hall-cell magnetometer
FR2018239A1 (de) * 1968-09-17 1970-05-29 Pioneer Electronic Corp
JPS4912174B1 (de) * 1969-05-23 1974-03-22
JPS5117901B1 (de) * 1969-07-29 1976-06-05
US3701861A (en) * 1969-11-15 1972-10-31 Pioneer Electronic Corp Magnetic head using the hall effect for reverberation
US3731007A (en) * 1971-04-19 1973-05-01 Denki Onkyo Co Ltd Magnetic head having a magneto-resistive bridge circuit
JPS5229607B2 (de) * 1972-01-01 1977-08-03
US3987485A (en) * 1973-02-20 1976-10-19 Matsushita Electric Industrial Co., Ltd. Magnetic head with thin film components
US3943570A (en) * 1973-09-28 1976-03-09 Hitachi, Ltd. Semiconductor magnetic head
US4036723A (en) * 1975-08-21 1977-07-19 International Business Machines Corporation RF bias sputtering method for producing insulating films free of surface irregularities
US4126494A (en) * 1975-10-20 1978-11-21 Kokusai Denshin Denwa Kabushiki Kaisha Magnetic transfer record film
JPS52131711A (en) * 1976-04-28 1977-11-04 Kokusai Denshin Denwa Co Ltd Thin film magnetic head
JPS6030007B2 (ja) * 1977-09-05 1985-07-13 株式会社日立製作所 ホ−ル効果磁気ヘツド用リアチツプおよび製造方法
JPS54101306A (en) * 1978-01-27 1979-08-09 Hitachi Ltd Reproduction amplifier circuit for hall head
US4198689A (en) * 1978-08-30 1980-04-15 Bell Telephone Laboratories, Incorporated Garnet magnetoresistive sensor for magnetic fields
FR2443733A1 (fr) * 1978-12-08 1980-07-04 Thomson Csf Tete de lecture magnetique et lecteur muni d'une telle tete

Also Published As

Publication number Publication date
EP0029550A1 (de) 1981-06-03
JPS5671819A (en) 1981-06-15
US4388661A (en) 1983-06-14
EP0029550B1 (de) 1985-02-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee