DE69529961T2 - Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren - Google Patents

Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren

Info

Publication number
DE69529961T2
DE69529961T2 DE69529961T DE69529961T DE69529961T2 DE 69529961 T2 DE69529961 T2 DE 69529961T2 DE 69529961 T DE69529961 T DE 69529961T DE 69529961 T DE69529961 T DE 69529961T DE 69529961 T2 DE69529961 T2 DE 69529961T2
Authority
DE
Germany
Prior art keywords
manufacturing
magnetic recording
reproducing head
reproducing
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
DE69529961T
Other languages
English (en)
Other versions
DE69529961D1 (de
Inventor
Jean-Claude Lehureau
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
Original Assignee
Thales 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 filed Critical Thales SA
Application granted granted Critical
Publication of DE69529961D1 publication Critical patent/DE69529961D1/de
Publication of DE69529961T2 publication Critical patent/DE69529961T2/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
    • 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
    • G11B5/31—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
    • G11B5/48—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
    • 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
    • G11B5/4992—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
DE69529961T 1994-11-25 1995-11-21 Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren Expired - Fee Related DE69529961T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9414146A FR2727555B1 (fr) 1994-11-25 1994-11-25 Tete magnetique d'enregistrement/lecture et son procede de realisation

Publications (2)

Publication Number Publication Date
DE69529961D1 DE69529961D1 (de) 2003-04-24
DE69529961T2 true DE69529961T2 (de) 2003-12-04

Family

ID=9469154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529961T Expired - Fee Related DE69529961T2 (de) 1994-11-25 1995-11-21 Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren

Country Status (7)

Country Link
US (1) US5671106A (de)
EP (1) EP0714090B1 (de)
JP (1) JPH08212513A (de)
KR (1) KR100381318B1 (de)
DE (1) DE69529961T2 (de)
FR (1) FR2727555B1 (de)
NO (1) NO315296B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
DE19535089A1 (de) * 1995-09-21 1997-03-27 Thomson Brandt Gmbh Verfahren zur Aufzeichnung von digitalen Signalen auf einem Magnetband in Multilängsspuren sowie Magnetbandaufzeichnungsgerät zur Durchführung des Verfahrens
JPH11110717A (ja) * 1997-10-02 1999-04-23 Sony Corp 薄膜単磁極ヘッド
DE19852037A1 (de) * 1998-11-11 2000-05-18 Thomson Brandt Gmbh Magnetbandgerät mit Treiberschaltung für Matrixkopf
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US7130152B1 (en) 1999-04-01 2006-10-31 Storage Technology Corporation High track density magnetic recording head
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
US6650496B2 (en) 2001-05-15 2003-11-18 Phs Mems Fully integrated matrix magnetic recording head with independent control
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
US6861937B1 (en) 2002-06-25 2005-03-01 Western Digital (Fremont), Inc. Double winding twin coil for thin-film head writer
US7289285B2 (en) * 2002-10-24 2007-10-30 Charles Frederick James Barnes Information storage systems
US6950279B2 (en) * 2003-01-30 2005-09-27 Headway Technologies, Inc. Thin-film magnetic head with thin-film coil of low resistance
EP1498877A1 (de) * 2003-07-15 2005-01-19 O-Mass AS Schreibkopfanordnung

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382325A (en) * 1959-08-20 1968-05-07 Iit Res Inst Magnetic transducer system
US3395401A (en) * 1964-03-30 1968-07-30 Silverman Daniel Digital information recording system with simultaneous traverse of recording means and recording medium
GB1349061A (en) * 1970-11-07 1974-03-27 Int Computers Ltd Strip magnetic heads transducer arrangements
JPS5837831A (ja) * 1981-08-31 1983-03-05 Hitachi Ltd 磁気ヘツド・アセンブリおよびその製造方法
JPS5868210A (ja) * 1981-10-16 1983-04-23 Hitachi Ltd 薄膜磁気ヘツド
JPS6038715A (ja) * 1983-08-11 1985-02-28 Fuji Photo Film Co Ltd 薄膜磁気ヘツド
JPS6139914A (ja) * 1984-07-31 1986-02-26 Konishiroku Photo Ind Co Ltd 磁気ヘツド
DE3527468A1 (de) * 1984-08-01 1986-02-06 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Magnetkopf fuer quermagnetische aufzeichnung und wiedergabe
US4751598A (en) * 1985-02-01 1988-06-14 Censtor Corporation Thin-film, cross-field, closed-flux, anisotropic electromagnetic field device
JPS61240422A (ja) * 1985-04-18 1986-10-25 Matsushita Electric Ind Co Ltd ステツプアツプ型磁気ヘツド
JP2563251B2 (ja) * 1985-06-20 1996-12-11 松下電器産業株式会社 薄膜磁気ヘツドおよびその製造方法
JPS6220114A (ja) * 1985-07-19 1987-01-28 Toshiba Seiki Kk 磁気ヘツド
FR2605783B1 (fr) * 1986-10-28 1992-05-15 Thomson Csf T ete magnetique d'enregistrement/lecture en couches minces et son procede de realisation
JPS63113906A (ja) * 1986-10-31 1988-05-18 Matsushita Electric Ind Co Ltd ステツプアツプ型磁気ヘツド
FR2630853B1 (fr) * 1988-04-27 1995-06-02 Thomson Csf Dispositif matriciel a tetes magnetiques notamment en couches minces
FR2646000B1 (fr) * 1989-04-14 1995-07-21 Thomson Csf Tete magnetique statique de lecture
FR2648608B1 (fr) * 1989-06-16 1991-08-30 Thomson Csf Tete magnetique d'enregistrement multipiste a structure matricielle compacte
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
FR2656454B1 (fr) * 1989-12-22 1995-07-21 Thomson Csf Tete de lecture multipiste.
FR2665010B1 (fr) * 1990-07-20 1992-09-18 Thomson Csf Dispositif magnetique de lecture a reseau matriciel de tetes de lecture.
US5237529A (en) * 1991-02-01 1993-08-17 Richard Spitzer Microstructure array and activation system therefor
US5506737A (en) * 1994-07-05 1996-04-09 Industrial Technology Research Institute High-density electronic head

Also Published As

Publication number Publication date
KR960019092A (ko) 1996-06-17
NO954733D0 (no) 1995-11-23
FR2727555B1 (fr) 1996-12-20
EP0714090B1 (de) 2003-03-19
NO315296B1 (no) 2003-08-11
NO954733L (no) 1996-05-28
JPH08212513A (ja) 1996-08-20
DE69529961D1 (de) 2003-04-24
US5671106A (en) 1997-09-23
FR2727555A1 (fr) 1996-05-31
EP0714090A1 (de) 1996-05-29
KR100381318B1 (ko) 2003-08-27

Similar Documents

Publication Publication Date Title
DE69528419T2 (de) Magnetisches Aufzeichnungs- und Wiedergabegerät
DE69227425D1 (de) Magnetisches Aufzeichnungsmedium und Herstellungsverfahren
DE69431815D1 (de) Magnetische Aufzeichnungs-/Wiedergabemethode
DE69529961D1 (de) Aufzeichnungs/-wiedergabemagnetkopf und Herstellungsverfahren
DE69326191T2 (de) Plattenaufzeichnungsgerät und Plattenaufzeichnungsverfahren
DE69615972T2 (de) Magnetoresistiver Kopf, Herstellungsverfahren dafür und Magnetaufzeichnungs-/-wiedergabelaufwerk
DE69524897D1 (de) Magnetaufzeichnungs- und -wiedergabegerät
DE69517224T2 (de) Magnetische Aufzeichnungs-/Wiedergabevorrichtung und zugehöriges Steuerungsverfahren
DE69531087D1 (de) Magnetowiderstandeffektkopf und Magnetaufzeichnungs-/Wiedergabekopf daraus
SG38835A1 (en) Magnetic head magnetic read/write apparatus and method for manufacturing magnetic head
DE69426794D1 (de) Informationswiedergabeverfahren und Informationsaufzeichnungs-/Wiedergabeverfahren
DE69523411T2 (de) Informationssignalaufzeichnungsverfahren, Magnetband und Informationssignalaufzeichnungs- und -wiedergabeverfahren
DE69521965T2 (de) Magnetkopf und herstellungsverfahren
DE69522535D1 (de) Aufnahme- und Wiedergabegerät mit drehendem Magnetkopf
DE69525431D1 (de) Herstellungsverfahren für Aufzeichnungs-/Wiedergabemagnetkopf und Aufzeichnungs-/Wiedergabekopf
DE69514585D1 (de) Aufzeichnungs- oder Wiedergabevorrichtung mit Magnetköpfen und Herstellungsverfahren
DE69706769D1 (de) Magnetische Speicherplatte und magnetisches Aufzeichnungs- und Wiedergabeverfahren
DE69506188T2 (de) Magnetowiderstandsmagnetkopf für Aufzeichnung und Wiedergabe
KR960015479A (ko) 자기기록재생장치
DE69614759D1 (de) Magnetkopf, Herstellungsverfahren dafür, und diesen verwendendes Magnetaufzeichnungs-/-wiedergabegerät
DE69721397D1 (de) Matrix-Magnetkopf zur Aufzeichnung/Wiedergabe und Herstellungsverfahren
DE69025114D1 (de) Aufzeichnungsmedium und Wiedergabemethode dafür
KR960012126U (ko) 기록과 재생을 동시에 할 수 있는 자기헤드
DE69533153D1 (de) Magnetaufzeichnungs- und Wiedergabegerät
DE69424254D1 (de) Magnetischer Aufnahme-/Wiedergabekopf

Legal Events

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