DE69132712D1 - Vorrichtung zur magnetooptischen Aufzeichnung - Google Patents

Vorrichtung zur magnetooptischen Aufzeichnung

Info

Publication number
DE69132712D1
DE69132712D1 DE69132712T DE69132712T DE69132712D1 DE 69132712 D1 DE69132712 D1 DE 69132712D1 DE 69132712 T DE69132712 T DE 69132712T DE 69132712 T DE69132712 T DE 69132712T DE 69132712 D1 DE69132712 D1 DE 69132712D1
Authority
DE
Germany
Prior art keywords
magneto
recording device
optical recording
optical
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 - Lifetime
Application number
DE69132712T
Other languages
English (en)
Other versions
DE69132712T2 (de
Inventor
Junichiro Nakayama
Tomoyuki Miyake
Hiroyuki Katayama
Kenji Ohta
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.)
Sharp Corp
Original Assignee
Sharp 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
Priority claimed from JP19106390A external-priority patent/JPH0476874A/ja
Priority claimed from JP20631990A external-priority patent/JP2948632B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE69132712D1 publication Critical patent/DE69132712D1/de
Application granted granted Critical
Publication of DE69132712T2 publication Critical patent/DE69132712T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/48—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
    • G11B5/58—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 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording 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
    • G11B11/10—Recording 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
    • G11B11/105—Recording 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/1058—Flying heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/148—Reducing friction, adhesion, drag
    • 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
    • G11B5/58—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 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6082—Design of the air bearing surface
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • G11B5/58—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 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height
DE69132712T 1990-01-19 1991-01-18 Vorrichtung zur magnetooptischen Aufzeichnung Expired - Lifetime DE69132712T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1157290 1990-01-19
JP19106390A JPH0476874A (ja) 1990-07-18 1990-07-18 光磁気記録装置
JP20631990A JP2948632B2 (ja) 1990-01-19 1990-08-02 光磁気記録装置

Publications (2)

Publication Number Publication Date
DE69132712D1 true DE69132712D1 (de) 2001-10-04
DE69132712T2 DE69132712T2 (de) 2002-07-04

Family

ID=27279477

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69132712T Expired - Lifetime DE69132712T2 (de) 1990-01-19 1991-01-18 Vorrichtung zur magnetooptischen Aufzeichnung
DE69126552T Expired - Lifetime DE69126552T2 (de) 1990-01-19 1991-01-18 Magnetooptisches Aufzeichnungsgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69126552T Expired - Lifetime DE69126552T2 (de) 1990-01-19 1991-01-18 Magnetooptisches Aufzeichnungsgerät

Country Status (4)

Country Link
US (1) US5231613A (de)
EP (1) EP0438315B1 (de)
CA (1) CA2034280C (de)
DE (2) DE69132712T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2046178C (en) * 1990-07-05 1999-11-09 Junichiro Nakayama Magneto-optical disk with lubricant film
JP3496223B2 (ja) * 1991-12-13 2004-02-09 ソニー株式会社 光磁気記録用摺動型磁気ヘッド
JPH05234117A (ja) * 1991-12-24 1993-09-10 Internatl Business Mach Corp <Ibm> 光ヘッド装置及び光ディスク記憶システム
US5351229A (en) * 1991-12-24 1994-09-27 International Business Machines Corporation Tribo-attractive contact slider for an optical read/write system
JP2508955B2 (ja) * 1992-04-20 1996-06-19 ソニー株式会社 光磁気記録用摺動型磁気ヘッド
US5383075A (en) * 1992-06-29 1995-01-17 Matsushita Electric Industrial Co., Ltd. Slider body with embedded lubricants and magnetic biasing apparatus
EP0799476A1 (de) * 1994-12-19 1997-10-08 Seagate Technology, Inc. Partiell geätzte schützende deckschicht für einen gleitkörper einer platteneinheit
US5661618A (en) * 1995-12-11 1997-08-26 International Business Machines Corporation Magnetic recording device having a improved slider
US5768055A (en) * 1996-09-19 1998-06-16 Sae Magnetics (H.K.) Ltd. Magnetic recording head having a carbon overcoat array on slider air bearings surfaces
US6249403B1 (en) * 1997-05-23 2001-06-19 Hitachi, Ltd. Magnetic hard disk drive and process for producing the same
US6535464B1 (en) * 1997-06-20 2003-03-18 Seagate Technology Llc Magneto-optic head with burnishing feature
US6381098B1 (en) * 1997-08-18 2002-04-30 Seagate Technology, Llc Laser textured transducing head slider
JP3300266B2 (ja) * 1997-11-06 2002-07-08 株式会社日立製作所 磁気ディスク装置
US6603639B1 (en) * 1998-07-21 2003-08-05 Seagate Technology Llc Slider for disc storage system
US6466410B2 (en) * 1998-10-13 2002-10-15 Seagate Technology Llc Slider for a data storage device with head disc interface for contact starts and stops (“CSS”)
SG91250A1 (en) * 1999-02-17 2002-09-17 Komag Inc Burnishing head
US6619105B1 (en) 2000-04-12 2003-09-16 Seagate Technology Llc Glide head with anti-collapsing protection feature
US6677105B2 (en) 2000-05-12 2004-01-13 Toda Kogyo Corporation Self-lubricating layer for data storage devices
US6430114B1 (en) 2000-05-12 2002-08-06 Toda Citron Technologies, Inc. Self-lubricating layer for a data storage disk
US6674612B2 (en) 2000-11-02 2004-01-06 Seagate Technology Llc Magnetic transducing slider with leading edge crossbar
US20060058892A1 (en) * 2004-09-16 2006-03-16 Lesh Michael D Valved tissue augmentation implant
JPWO2006075362A1 (ja) * 2005-01-12 2008-06-12 富士通株式会社 磁気ヘッドおよびその製造方法、磁気ディスク装置
JP2006286104A (ja) * 2005-03-31 2006-10-19 Fujitsu Ltd 磁気ヘッドおよびその製造方法
US7508632B2 (en) * 2005-07-25 2009-03-24 Seagate Technology Llc Head-disc interface (HDI) with solid lubricants
CN103824566B (zh) * 2014-03-18 2016-08-24 清华大学 读写接触式硬盘的磁头、硬盘设备及转移方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188434A (en) * 1978-05-15 1980-02-12 Storage Technology Corporation Lubricant for a magnetic member
JPS57183623A (en) * 1981-05-08 1982-11-12 Nec Corp Thin film head
JPS58105421A (ja) * 1981-12-17 1983-06-23 Seiko Epson Corp 磁気ヘツド
JPH0618054B2 (ja) * 1982-03-01 1994-03-09 日本電気株式会社 磁気ヘッド
JPS59227065A (ja) * 1983-06-03 1984-12-20 Fujitsu Ltd 磁気ヘツド
JPS60193181A (ja) * 1984-03-13 1985-10-01 Fujitsu Ltd 磁気ヘツド
JPS6243823A (ja) * 1985-08-21 1987-02-25 Nec Corp 磁気記録媒体
JPS6288131A (ja) * 1985-10-14 1987-04-22 Hitachi Ltd 磁気デイスク
JPS6358605A (ja) * 1986-08-28 1988-03-14 Sony Corp 磁界発生装置
JPS63220422A (ja) * 1987-03-09 1988-09-13 Shin Etsu Chem Co Ltd 磁気記録媒体の製造方法
JPS63251981A (ja) * 1987-04-07 1988-10-19 Fujitsu Ltd 磁気ヘツドスライダとその製造方法
JPS63276769A (ja) * 1987-05-08 1988-11-15 Fujitsu Ltd 磁気ヘッドスライダ
JPS63292473A (ja) * 1987-05-25 1988-11-29 Nec Corp 磁気ヘッドスライダ
JPS6453307A (en) * 1987-08-24 1989-03-01 Nikon Corp Method to lower coefficient of friction of magnetic head or magnetic medium
JPH0719459B2 (ja) * 1987-12-03 1995-03-06 日立金属株式会社 浮動型磁気ヘッド
JPH01171101A (ja) * 1987-12-25 1989-07-06 Fujitsu Ltd 磁気記録方式
JP2698086B2 (ja) * 1988-01-27 1998-01-19 株式会社日立製作所 磁気ディスク用基板及びその製造方法
JP2685471B2 (ja) * 1988-02-03 1997-12-03 株式会社日立製作所 光磁気記憶装置
US4863809A (en) * 1988-03-10 1989-09-05 Magnetic Peripherals, Inc. Surface treatment for sliders and carbon coated magnetic media
US5010429A (en) * 1988-11-22 1991-04-23 Hitachi Metals, Ltd. Floating magnetic head having improved static friction coefficient
JPH02203418A (ja) * 1989-01-31 1990-08-13 Kyocera Corp 光磁気記録用磁気ヘッド
JP2948632B2 (ja) * 1990-01-19 1999-09-13 シャープ株式会社 光磁気記録装置
JP2600004B2 (ja) * 1990-02-06 1997-04-16 シャープ株式会社 光磁気記録媒体及びその表面処理方法

Also Published As

Publication number Publication date
CA2034280C (en) 1997-02-11
EP0438315A3 (en) 1992-03-11
DE69126552D1 (de) 1997-07-24
CA2034280A1 (en) 1991-07-20
EP0438315B1 (de) 1997-06-18
DE69132712T2 (de) 2002-07-04
DE69126552T2 (de) 1998-01-08
EP0438315A2 (de) 1991-07-24
US5231613A (en) 1993-07-27

Similar Documents

Publication Publication Date Title
DE69132712D1 (de) Vorrichtung zur magnetooptischen Aufzeichnung
DE3856109D1 (de) Vorrichtung zur Aufzeichnung
DE69128510D1 (de) Fixierstelle und Aufzeichnungsgerät zur Benutzung
DE69405587D1 (de) Tracheostoma vorrichtung
DE68927442D1 (de) Gerät zur Bildherstellung
DE69026418D1 (de) Aufzeichnungsvorrichtung
DE69131883D1 (de) Vorrichtung zur Rauschreduzierung
DE68927818D1 (de) Vorrichtung zur Scharfeinstellung
DE69118597D1 (de) Elektrooptische Vorrichtung
PT98136A (pt) Aparelho de gravacao e reproducao de discos
DE69229697D1 (de) Gerät zur Wiedergabe von audio-digitalen Signalen
DE69121958D1 (de) Aufzeichnungsvorrichtung
KR900012202A (ko) 재생장치
DE69029029D1 (de) Gerät zur magnetooptischen Aufzeichnung/Wiedergabe
DE69028816D1 (de) Aufzeichnungsvorrichtung
DE69131817D1 (de) Aufzeichnungsvorrichtung
DE69029713D1 (de) Aufzeichnungsgerät gebrauchmachend von magnetooptischem Effekt
DE69124210D1 (de) Einrichtung zur Signalcodierung
DE69308699D1 (de) Vorrichtung zur Datenformatierung
DE69029709D1 (de) Magnetooptischer Aufzeichnungsträger und Vorrichtung
DE69119651D1 (de) Vorrichtung zur Magnetfeldkompensation
DE69121216D1 (de) Gerät zur Richtungsbestimmung
DE69118722D1 (de) Magnetooptisches Aufzeichnungsgerät
DE69019208D1 (de) Magneto-optisches Aufzeichnungsgerät.
DE69116707D1 (de) Elektrooptische Vorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition