DE69525431T2 - Herstellungsverfahren für Aufzeichnungs-/Wiedergabemagnetkopf und Aufzeichnungs-/Wiedergabekopf - Google Patents

Herstellungsverfahren für Aufzeichnungs-/Wiedergabemagnetkopf und Aufzeichnungs-/Wiedergabekopf

Info

Publication number
DE69525431T2
DE69525431T2 DE69525431T DE69525431T DE69525431T2 DE 69525431 T2 DE69525431 T2 DE 69525431T2 DE 69525431 T DE69525431 T DE 69525431T DE 69525431 T DE69525431 T DE 69525431T DE 69525431 T2 DE69525431 T2 DE 69525431T2
Authority
DE
Germany
Prior art keywords
recording
reproducing
head
manufacturing
magnetic head
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
DE69525431T
Other languages
English (en)
Other versions
DE69525431D1 (de
Inventor
Francois Maurice
Jean-Marc Coutellier
Francois-Xavier Pirot
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.)
Thales SA
Technicolor SA
Original Assignee
Thales SA
Thomson Multimedia SA
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 Thales SA, Thomson Multimedia SA filed Critical Thales SA
Application granted granted Critical
Publication of DE69525431D1 publication Critical patent/DE69525431D1/de
Publication of DE69525431T2 publication Critical patent/DE69525431T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • 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
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
    • G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
    • G11B5/3183—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes intersecting the gap plane, e.g. "horizontal head structure"
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49044—Plural magnetic deposition layers
    • 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
    • Y10T29/49064—Providing winding by coating
    • 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
    • Y10T29/49066—Preformed winding

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69525431T 1994-11-29 1995-11-23 Herstellungsverfahren für Aufzeichnungs-/Wiedergabemagnetkopf und Aufzeichnungs-/Wiedergabekopf Expired - Fee Related DE69525431T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9414289A FR2727556B1 (fr) 1994-11-29 1994-11-29 Procede de realisation d'une tete magnetique d'enregistrement/lecture et tete d'enregistrement/lecture

Publications (2)

Publication Number Publication Date
DE69525431D1 DE69525431D1 (de) 2002-03-21
DE69525431T2 true DE69525431T2 (de) 2002-10-10

Family

ID=9469255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525431T Expired - Fee Related DE69525431T2 (de) 1994-11-29 1995-11-23 Herstellungsverfahren für Aufzeichnungs-/Wiedergabemagnetkopf und Aufzeichnungs-/Wiedergabekopf

Country Status (8)

Country Link
US (1) US5781986A (de)
EP (1) EP0716410B1 (de)
JP (1) JPH08235529A (de)
KR (1) KR100386904B1 (de)
CN (1) CN1149539C (de)
DE (1) DE69525431T2 (de)
FR (1) FR2727556B1 (de)
MX (1) MX9504949A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750787B1 (fr) * 1996-07-05 1998-11-13 Thomson Csf Tete magnetique matricielle d'enregistrement/lecture et procede de realisation
FR2774797B1 (fr) * 1998-02-11 2000-03-10 Commissariat Energie Atomique Procede de realisation d'un ensemble a plusieurs tetes magnetiques et ensemble a tetes multiples obtenu par ce procede
FR2825828B1 (fr) * 2001-06-07 2003-09-05 Moulage Plastique De L Ouest Procede et dispositif pour le matricage d'un disque optique protege contre la copie et disque optique protege contre la copie

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672043A (en) * 1965-12-06 1972-06-27 Ncr Co Miniature magnetic head
US3564522A (en) * 1966-12-16 1971-02-16 Data Disc Inc Transducer with thin film coil and semiconductor switching
DE1952402A1 (de) * 1969-10-17 1971-04-22 Philips Patentverwaltung Magnetkopf
EP0032230A3 (de) * 1980-01-14 1982-01-13 Siemens Aktiengesellschaft Integrierter Magnetwandler und dessen Herstellungsverfahren
US4477853A (en) * 1981-04-15 1984-10-16 Eastman Kodak Company Multitrack magnetic head
FR2559294B1 (fr) * 1984-02-03 1988-08-12 Commissariat Energie Atomique Nouvelle tete magnetique d'ecriture et de lecture pour enregistrement perpendiculaire et son procede de fabrication
FR2605783B1 (fr) * 1986-10-28 1992-05-15 Thomson Csf T ete magnetique d'enregistrement/lecture en couches minces et son procede de realisation
FR2606197B1 (fr) * 1986-10-31 1988-12-02 Commissariat Energie Atomique Procede de realisation d'une tete magnetique permettant de simplifier la realisation des connexions electriques
FR2630853B1 (fr) 1988-04-27 1995-06-02 Thomson Csf Dispositif matriciel a tetes magnetiques notamment en couches minces
JPH01319111A (ja) * 1988-06-20 1989-12-25 Fujitsu Ltd 薄膜磁気ヘッド
FR2641110B1 (de) * 1988-12-23 1995-07-21 Thomson Csf
FR2646001B1 (fr) * 1989-04-14 1995-09-01 Europ Composants Electron Procede de realisation d'un dispositif utilisant une structure de films a couches minces
FR2648940B1 (fr) * 1989-06-27 1991-09-06 Thomson Csf Procede de realisation de tete magnetique multipiste et tete magnetique multipiste
FR2649526B1 (fr) * 1989-07-04 1991-09-20 Thomson Csf Procede de fabrication de tetes magnetiques planaires par alveolage d'une plaquette non magnetique, et tetes magnetiques obtenues par un tel procede
FR2651912B1 (fr) * 1989-09-12 1991-10-31 Europ Composants Electron Procede de realisation des pieces polaires et de l'entrefer de tetes magnetiques en couches minces pour application informatique audio ou video.
FR2663772B1 (fr) * 1990-06-26 1995-07-21 Thomson Csf Dispositif d'enregistrement magnetique a pluralite de tetes magnetiques.
US5237529A (en) * 1991-02-01 1993-08-17 Richard Spitzer Microstructure array and activation system therefor
JPH0652516A (ja) * 1992-07-30 1994-02-25 Ricoh Co Ltd 薄膜磁気ヘッド及び薄膜磁気ヘッド形成方法

Also Published As

Publication number Publication date
CN1149539C (zh) 2004-05-12
MX9504949A (es) 1997-01-31
EP0716410A2 (de) 1996-06-12
FR2727556B1 (fr) 1997-01-03
EP0716410A3 (de) 1998-04-15
CN1151063A (zh) 1997-06-04
US5781986A (en) 1998-07-21
KR100386904B1 (ko) 2003-08-02
EP0716410B1 (de) 2002-02-13
JPH08235529A (ja) 1996-09-13
DE69525431D1 (de) 2002-03-21
KR960019253A (ko) 1996-06-17
FR2727556A1 (fr) 1996-05-31

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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