DE69421232T2 - Gerät mit Magnetkopf und Herstellungsverfahren - Google Patents

Gerät mit Magnetkopf und Herstellungsverfahren

Info

Publication number
DE69421232T2
DE69421232T2 DE69421232T DE69421232T DE69421232T2 DE 69421232 T2 DE69421232 T2 DE 69421232T2 DE 69421232 T DE69421232 T DE 69421232T DE 69421232 T DE69421232 T DE 69421232T DE 69421232 T2 DE69421232 T2 DE 69421232T2
Authority
DE
Germany
Prior art keywords
manufacturing process
magnetic head
magnetic
head
manufacturing
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
DE69421232T
Other languages
English (en)
Other versions
DE69421232D1 (de
Inventor
Tomoyuki Takahashi
Hideo Tanaka
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.)
Sony Corp
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
Application granted granted Critical
Publication of DE69421232D1 publication Critical patent/DE69421232D1/de
Publication of DE69421232T2 publication Critical patent/DE69421232T2/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
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/16Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336Coating a portion of the article, e.g. the edge of the article
    • 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
    • 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
    • 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
    • G11B5/48Disposition 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
    • G11B5/4806Disposition 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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4833Structure of the arm assembly, e.g. load beams, flexures, parts of the arm adapted for controlling vertical force on the head
    • 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
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/22Hinges, pivots
    • 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
    • G11B5/48Disposition 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
    • G11B5/4806Disposition 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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4826Mounting, aligning or attachment of the transducer head relative to the arm assembly, e.g. slider holding members, gimbals, adhesive
DE69421232T 1993-08-23 1994-08-18 Gerät mit Magnetkopf und Herstellungsverfahren Expired - Fee Related DE69421232T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22948693 1993-08-23

Publications (2)

Publication Number Publication Date
DE69421232D1 DE69421232D1 (de) 1999-11-25
DE69421232T2 true DE69421232T2 (de) 2000-05-11

Family

ID=16892924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421232T Expired - Fee Related DE69421232T2 (de) 1993-08-23 1994-08-18 Gerät mit Magnetkopf und Herstellungsverfahren

Country Status (6)

Country Link
US (1) US5822154A (de)
EP (1) EP0640965B1 (de)
KR (1) KR100336541B1 (de)
CN (1) CN1071473C (de)
CA (1) CA2130602C (de)
DE (1) DE69421232T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW408300B (en) * 1997-03-19 2000-10-11 Sony Corp Magnetic head device
US6057985A (en) * 1997-03-21 2000-05-02 Alps Electric Co., Ltd. Magnetic head device
US6115220A (en) * 1997-10-08 2000-09-05 Magnecomp Corp. Load beam having pitch adjustability
US6867948B1 (en) * 1999-01-22 2005-03-15 Seagate Technology Llc Disc drives having flexible circuits with liquid crystal polymer dielectric
US7016267B2 (en) * 2001-09-03 2006-03-21 Canon Kabushiki Kaisha Magnetooptical recording apparatus having retreatable magnetic head
US9491275B2 (en) * 2005-09-15 2016-11-08 AT&T Intellectual Property I, L.P., by transfer of ownership from AT&T Systems, methods and computer program products for aggregating contact information

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059628B1 (de) * 1970-12-03 1972-05-31 Lissmann Alkor Werk Verfahren und Vorrichtung zur Herstellung eines einstueckigen Spritzgusskoerpers aus thermoplastischem Kunststoff mit Oberflaechenbeschichtung
JPS5683870A (en) * 1979-12-13 1981-07-08 Fujitsu Ltd Magnetic head
US4456936A (en) * 1982-01-18 1984-06-26 International Business Machines Corporation Cantilevered transducer carriage
JPS59213066A (ja) * 1983-05-18 1984-12-01 Hitachi Ltd 磁気ヘツド素子用支持体
JPS6161277A (ja) * 1984-08-31 1986-03-29 Nec Corp 磁気デイスク装置の位置決めキヤリツジ用ア−ム
JPS61296580A (ja) * 1985-06-24 1986-12-27 Hitachi Ltd 磁気デイスクヘツド支持装置
JPS626473A (ja) * 1985-06-29 1987-01-13 Sony Corp ヘツド支持装置
JPS63100611A (ja) * 1987-09-30 1988-05-02 Sony Corp 磁気ヘッド支持装置
US4991045A (en) * 1987-12-21 1991-02-05 Hutchinson Technology, Inc. Suspension assembly
NL8801357A (nl) * 1988-05-27 1989-12-18 Ind Mouldings B V Werkwijze voor het vervaardigen van een roldeur of rolluik.
US5006946A (en) * 1989-04-19 1991-04-09 Tdk Corporation Flexible polymeric resinous magnetic head supporting device
JP2758436B2 (ja) * 1989-05-03 1998-05-28 ティーディーケイ株式会社 ヘッド支持装置
US5115363A (en) * 1990-02-16 1992-05-19 Digital Equipment Corporation Head/gimbal assembly having low stiffness cross band flexure
US5136445A (en) * 1990-08-31 1992-08-04 Seagate Technology, Inc. Air bearing slider design
US5339208A (en) * 1990-10-05 1994-08-16 Mitsubishi Denki Kabushiki Kaisha Assembly for supporting a magnetic head to float relative to a magnetic disk
JP3030968B2 (ja) * 1991-09-19 2000-04-10 ソニー株式会社 光磁気記録用磁気ヘッド
JPH0581728A (ja) * 1991-09-20 1993-04-02 Sony Corp 光磁気記録用磁気ヘツド
JPH05128613A (ja) * 1991-10-31 1993-05-25 Sony Corp 磁気ヘツド装置及びその製造方法

Also Published As

Publication number Publication date
CA2130602C (en) 2003-01-28
CN1115903A (zh) 1996-01-31
EP0640965B1 (de) 1999-10-20
KR100336541B1 (ko) 2002-11-18
CA2130602A1 (en) 1995-02-24
DE69421232D1 (de) 1999-11-25
US5822154A (en) 1998-10-13
EP0640965A1 (de) 1995-03-01
CN1071473C (zh) 2001-09-19
KR950006739A (ko) 1995-03-21

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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