DE69011997T2 - Hall-Effekt Magnetwiedergabekopf. - Google Patents

Hall-Effekt Magnetwiedergabekopf.

Info

Publication number
DE69011997T2
DE69011997T2 DE69011997T DE69011997T DE69011997T2 DE 69011997 T2 DE69011997 T2 DE 69011997T2 DE 69011997 T DE69011997 T DE 69011997T DE 69011997 T DE69011997 T DE 69011997T DE 69011997 T2 DE69011997 T2 DE 69011997T2
Authority
DE
Germany
Prior art keywords
hall effect
playback head
effect magnetic
magnetic playback
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
DE69011997T
Other languages
English (en)
Other versions
DE69011997D1 (de
Inventor
Alain Friederich Al Friederich
Gerard Creuzet
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
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69011997D1 publication Critical patent/DE69011997D1/de
Publication of DE69011997T2 publication Critical patent/DE69011997T2/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
    • 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
    • G11B5/376—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 semi-conductors
    • G11B5/378—Integrated structures
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N52/00—Hall-effect devices
    • H10N52/101—Semiconductor Hall-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
DE69011997T 1989-06-27 1990-06-15 Hall-Effekt Magnetwiedergabekopf. Expired - Fee Related DE69011997T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908561A FR2648941B1 (fr) 1989-06-27 1989-06-27 Tete de lecture magnetique a effet hall

Publications (2)

Publication Number Publication Date
DE69011997D1 DE69011997D1 (de) 1994-10-06
DE69011997T2 true DE69011997T2 (de) 1995-01-26

Family

ID=9383169

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011997T Expired - Fee Related DE69011997T2 (de) 1989-06-27 1990-06-15 Hall-Effekt Magnetwiedergabekopf.

Country Status (5)

Country Link
US (1) US5093753A (de)
EP (1) EP0406051B1 (de)
JP (1) JP2862963B2 (de)
DE (1) DE69011997T2 (de)
FR (1) FR2648941B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251082A (en) * 1991-06-13 1993-10-05 Elliott Timothy J Miniaturized disk file pluggable into a card terminal
FR2700633B1 (fr) * 1993-01-20 1995-03-17 Silmag Sa Procédé de réalisation d'une tête magnétique à détecteur de champ à semiconducteur et tête obtenue par ce procédé.
US5543988A (en) * 1993-04-30 1996-08-06 International Business Machines Corporation Hall sensor with high spatial resolution in two directions concurrently
JPH0888425A (ja) * 1994-09-19 1996-04-02 Fujitsu Ltd ホール効果磁気センサおよび薄膜磁気ヘッド
FR2748843B1 (fr) * 1996-05-15 1998-07-17 Silmag Sa Tete magnetique a detecteur de champ a semiconducteur place sous l'entrefer
US6195228B1 (en) * 1997-01-06 2001-02-27 Nec Research Institute, Inc. Thin, horizontal-plane hall sensors for read-heads in magnetic recording
FR2817077B1 (fr) 2000-11-17 2003-03-07 Thomson Csf Capacite variable commandable en tension par utilisation du phenomene de "blocage de coulomb"
JP3955195B2 (ja) * 2001-08-24 2007-08-08 株式会社日立グローバルストレージテクノロジーズ 磁界センサー及び磁気ヘッド
FR2880131B1 (fr) * 2004-12-23 2007-03-16 Thales Sa Procede de mesure d'un champ magnetique faible et capteur de champ magnetique a sensibilite amelioree
US8116043B2 (en) * 2009-12-09 2012-02-14 Western Digital (Fremont), Llc Method and system for providing a magnetic transducer having an improved read sensor synthetic antiferromagnet
WO2011111473A1 (ja) * 2010-03-10 2011-09-15 株式会社日立製作所 磁気抵抗効果素子及び磁気メモリ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52131711A (en) * 1976-04-28 1977-11-04 Kokusai Denshin Denwa Co Ltd Thin film magnetic head
JPS5661022A (en) * 1979-10-24 1981-05-26 Olympus Optical Co Ltd Magnetic head
JPS5718018A (en) * 1980-07-07 1982-01-29 Olympus Optical Co Ltd Magnetic head
US4577250A (en) * 1981-12-18 1986-03-18 Victor Company Of Japan, Limited Hall effect magnetic head
US4584552A (en) * 1982-03-26 1986-04-22 Pioneer Electronic Corporation Hall element with improved composite substrate
US4751598A (en) * 1985-02-01 1988-06-14 Censtor Corporation Thin-film, cross-field, closed-flux, anisotropic electromagnetic field device
KR910002313B1 (ko) * 1985-05-10 1991-04-11 아사히가세이고오교 가부시끼가이샤 자전 변환소자

Also Published As

Publication number Publication date
EP0406051A1 (de) 1991-01-02
FR2648941B1 (fr) 1991-09-06
JPH0337813A (ja) 1991-02-19
US5093753A (en) 1992-03-03
EP0406051B1 (de) 1994-08-31
FR2648941A1 (fr) 1990-12-28
DE69011997D1 (de) 1994-10-06
JP2862963B2 (ja) 1999-03-03

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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