NL8201231A - Magneetkop. - Google Patents

Magneetkop. Download PDF

Info

Publication number
NL8201231A
NL8201231A NL8201231A NL8201231A NL8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A NL 8201231 A NL8201231 A NL 8201231A
Authority
NL
Netherlands
Prior art keywords
magnetic
pole
coil
main
auxiliary
Prior art date
Application number
NL8201231A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL8201231A publication Critical patent/NL8201231A/nl

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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8201231A 1981-03-30 1982-03-24 Magneetkop. NL8201231A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4674681 1981-03-30
JP4674681A JPS57162114A (en) 1981-03-30 1981-03-30 Magnetic head

Publications (1)

Publication Number Publication Date
NL8201231A true NL8201231A (nl) 1982-10-18

Family

ID=12755893

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8201231A NL8201231A (nl) 1981-03-30 1982-03-24 Magneetkop.

Country Status (6)

Country Link
JP (1) JPS57162114A (fr)
CA (1) CA1179771A (fr)
DE (1) DE3211581A1 (fr)
FR (1) FR2502824B1 (fr)
GB (1) GB2095888B (fr)
NL (1) NL8201231A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157819A (ja) * 1983-02-25 1984-09-07 Sony Corp 垂直磁気記録用ヘツド
EP0139018B1 (fr) * 1983-03-22 1990-06-13 Sony Corporation Assemblage de têtes transductrices magnétiques d'un seul type de pôles magnétiques pour enregistrement perpendiculaire
JPH07101483B2 (ja) * 1983-08-29 1995-11-01 ソニー株式会社 薄膜型磁気ヘッド
US4672494A (en) * 1983-09-01 1987-06-09 Matsushita Electric Industrial Co., Ltd. Magnetic head for effecting perpendicular magnetic recording
JPS60197914A (ja) * 1984-03-20 1985-10-07 Olympus Optical Co Ltd 垂直磁化型磁気ヘツド
JPS6134710A (ja) * 1984-07-26 1986-02-19 Akai Electric Co Ltd 磁気ヘツド

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810764B2 (ja) * 1977-09-30 1983-02-28 岩崎 俊一 磁気記録再生装置
JPS5584015U (fr) * 1978-12-07 1980-06-10
JPS56165918A (en) * 1980-05-23 1981-12-19 Ricoh Co Ltd Vertical magnetic recorder and reproducer

Also Published As

Publication number Publication date
FR2502824B1 (fr) 1985-01-04
GB2095888B (en) 1984-09-26
JPH0157405B2 (fr) 1989-12-05
CA1179771A (fr) 1984-12-18
JPS57162114A (en) 1982-10-05
FR2502824A1 (fr) 1982-10-01
DE3211581A1 (de) 1982-12-02
GB2095888A (en) 1982-10-06

Similar Documents

Publication Publication Date Title
EP0071489B1 (fr) Tête magnétique pour enregistrement ou reproduction perpendiculaire
EP0091812B1 (fr) Tête pour la reproduction d'enregistrements magnétiques perpendiculaires
EP0360978A2 (fr) Tête magnétique à film mince pour enregistrement et reproduction perpendiculaire
US6922316B2 (en) Thin-film magnetic head and method of manufacturing same
EP0222183B1 (fr) Tête magnétique à couche mince
JPH09120507A (ja) 磁気ヘッド・アセンブリ
EP0521564A2 (fr) Tête magnétique à films minces
EP0159039B1 (fr) Système d'enregistrement ou de reproduction magnétique avec tête magnétique composite
NL8303023A (nl) Magneetkop voor loodrechte registratie.
NL8201231A (nl) Magneetkop.
US4700252A (en) Magnetic thin film head
US4768118A (en) Floating-type magnetic head
EP0191635B1 (fr) Tête magnétique
EP0273496B1 (fr) Tête magnétique comportant un entrefer en matériau dur électrochimiquement inerte
US4768121A (en) Magnetic head formed by composite main pole film and winding core for perpendicular magnetic recording
US4972279A (en) Microminimonolithic magnetic head slider
NL8403971A (nl) Magnetische transducentkop.
EP0574896A2 (fr) Tête magnétique composite à films minces
WO1985002479A1 (fr) Tete polaire inclinee pour enregistrements magnetiques
US6233126B1 (en) Thin film magnetic head having low magnetic permeability layer, and method of manufacturing the magnetic head
JPH0833977B2 (ja) 垂直磁化用磁気ヘッド及びその製造方法
EP0590791A1 (fr) Tête magnétique d'enregistrement magnéto-optique et appareil d'enregistrement magnéto-optique
EP0076969B1 (fr) Tête magnétique pour l'enregistrement perpendiculaire
EP0101352A1 (fr) Tête d'écriture ou lecture avec bobine(s) plane(s)
EP0170004A1 (fr) Tête magnétique

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed