DE69321679D1 - Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung - Google Patents

Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung

Info

Publication number
DE69321679D1
DE69321679D1 DE69321679T DE69321679T DE69321679D1 DE 69321679 D1 DE69321679 D1 DE 69321679D1 DE 69321679 T DE69321679 T DE 69321679T DE 69321679 T DE69321679 T DE 69321679T DE 69321679 D1 DE69321679 D1 DE 69321679D1
Authority
DE
Germany
Prior art keywords
magneto
production
magnetic head
optical recording
recording
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
DE69321679T
Other languages
English (en)
Other versions
DE69321679T2 (de
Inventor
Kazuyoshi Ishii
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP25186392A external-priority patent/JPH0676519A/ja
Priority claimed from JP06131893A external-priority patent/JP3413499B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69321679D1 publication Critical patent/DE69321679D1/de
Application granted granted Critical
Publication of DE69321679T2 publication Critical patent/DE69321679T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10Structure or manufacture of housings or shields for heads
    • G11B5/105Mounting of head within housing or assembling of head and housing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055Disposition or mounting of transducers relative to record carriers
    • G11B11/1058Flying heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10Structure or manufacture of housings or shields for heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/17Construction or disposition of windings
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/40Protective measures on heads, e.g. against excessive temperature 

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
DE69321679T 1992-08-28 1993-08-09 Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung Expired - Fee Related DE69321679T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25186392A JPH0676519A (ja) 1992-08-28 1992-08-28 光磁気記録用磁気ヘッド
JP06131893A JP3413499B2 (ja) 1993-02-26 1993-02-26 磁気ヘッドの製造方法

Publications (2)

Publication Number Publication Date
DE69321679D1 true DE69321679D1 (de) 1998-11-26
DE69321679T2 DE69321679T2 (de) 1999-04-22

Family

ID=26402360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321679T Expired - Fee Related DE69321679T2 (de) 1992-08-28 1993-08-09 Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung

Country Status (3)

Country Link
US (1) US5523986A (de)
EP (1) EP0584989B1 (de)
DE (1) DE69321679T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6188549B1 (en) 1997-12-10 2001-02-13 Read-Rite Corporation Magnetoresistive read/write head with high-performance gap layers
JP2000030203A (ja) 1998-05-07 2000-01-28 Canon Inc 磁気ヘッド用コイル、光磁気記録用磁気ヘッドおよび光磁気記録装置
JP3507360B2 (ja) 1998-05-07 2004-03-15 キヤノン株式会社 磁気ヘッド用平面コイル部品、光磁気記録用磁気ヘッドおよび光磁気記録装置
JP2000048422A (ja) 1998-07-30 2000-02-18 Canon Inc 光磁気記録用磁気ヘッドおよび光磁気記録装置
JP2001067748A (ja) 1999-08-31 2001-03-16 Canon Inc 光磁気記録ヘッドおよび光磁気記録装置
US6462908B1 (en) * 1999-12-20 2002-10-08 Mitsumi Electric Co., Ltd. Magnetic head and structure for supporting same
JP2001229589A (ja) 2000-02-16 2001-08-24 Canon Inc 光磁気記録媒体及び光磁気記録装置
JP2004227712A (ja) * 2003-01-24 2004-08-12 Canon Inc 磁気ヘッド支持機構
JP2007109342A (ja) * 2005-10-14 2007-04-26 Hitachi Global Storage Technologies Netherlands Bv コイルの支持構造および磁気ディスク装置
US9186676B2 (en) * 2011-04-25 2015-11-17 Fujibo Holdings, Inc. Test reagent container

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870521A (en) * 1988-06-23 1989-09-26 Kyocera Corporation Floating magnetic head
US5233492A (en) * 1989-11-14 1993-08-03 Hitachi Metals, Ltd. Flying type composite magnetic head having Mn-Zn ferrite core
JP3014462B2 (ja) * 1989-12-12 2000-02-28 シャープ株式会社 浮上型磁気ヘッド装置
JPH04119503A (ja) * 1990-09-11 1992-04-21 Canon Inc 光磁気記録用の磁気ヘッドユニット
US5260845A (en) * 1991-04-30 1993-11-09 Minebea Co., Ltd. Magnetic head having a thin film conductor coil assembly formed separate from a magnetic head core
US5270888A (en) * 1992-02-21 1993-12-14 Applied Magnetics Corporation Composite slider head with reduced readback oscillation

Also Published As

Publication number Publication date
US5523986A (en) 1996-06-04
EP0584989B1 (de) 1998-10-21
EP0584989A3 (de) 1994-04-20
DE69321679T2 (de) 1999-04-22
EP0584989A2 (de) 1994-03-02

Similar Documents

Publication Publication Date Title
DE69303651D1 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE69122980D1 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE69332352D1 (de) Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69122916D1 (de) Informationsaufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69022826D1 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung.
DE69115939D1 (de) Magnetkopf und Verfahren zu seiner Herstellung
DE69028948D1 (de) Aufzeichnungsmedium für Senkrechtmagnetisierung und Verfahren zu dessen Herstellung
DE69129813D1 (de) Flexibler magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE69427678D1 (de) Magnetooptisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69327711T2 (de) Magnetooptisches aufzeichnungsmedium und verfahren zu seiner herstellung
DE69323971T2 (de) Target für magnetooptische Aufzeichnungsmedien und Verfahren zu seiner Herstellung
DE69317504D1 (de) Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69321679D1 (de) Magnetkopf für magneto-optische Aufzeichnung und Verfahren zu seiner Herstellung
DE69309779D1 (de) Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69510382T2 (de) Dualer magnetoresistiver Wiedergabekopf mit magnetischer Abschirmung und Verfahren zu seiner Herstellung
DE69603796D1 (de) Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69518179T2 (de) Magnetisches Aufzeichnungsmedium sowie Verfahren zu seiner Herstellung
DE69207784D1 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE68919753D1 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung.
DE69432002D1 (de) Target für ein magnetooptisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69614020D1 (de) Magnetisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung
DE69316484T2 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE69320511D1 (de) Magnetooptisches Speichermedium und Verfahren zu seiner Herstellung
DE69417157T2 (de) Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
DE3872513D1 (de) Aufzeichnungs-wiedergabemagnetkopf und verfahren zu seiner herstellung.

Legal Events

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