DE69811958D1 - Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit - Google Patents

Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit

Info

Publication number
DE69811958D1
DE69811958D1 DE69811958T DE69811958T DE69811958D1 DE 69811958 D1 DE69811958 D1 DE 69811958D1 DE 69811958 T DE69811958 T DE 69811958T DE 69811958 T DE69811958 T DE 69811958T DE 69811958 D1 DE69811958 D1 DE 69811958D1
Authority
DE
Germany
Prior art keywords
planness
improved
data storage
optical data
storage disk
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
DE69811958T
Other languages
English (en)
Other versions
DE69811958T2 (de
Inventor
R Sandstrom
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.)
GlassBridge Enterprises Inc
Original Assignee
Imation 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 Imation Corp filed Critical Imation Corp
Publication of DE69811958D1 publication Critical patent/DE69811958D1/de
Application granted granted Critical
Publication of DE69811958T2 publication Critical patent/DE69811958T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • G11B11/10528—Shaping of magnetic domains, e.g. form, dimensions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE69811958T 1998-01-06 1998-04-10 Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit Expired - Fee Related DE69811958T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/003,580 US5972461A (en) 1998-01-06 1998-01-06 Rewritable optical data storage disk having enhanced flatness
PCT/US1998/007217 WO1999035642A1 (en) 1998-01-06 1998-04-10 Rewritable optical data storage disk having enhanced flatness

Publications (2)

Publication Number Publication Date
DE69811958D1 true DE69811958D1 (de) 2003-04-10
DE69811958T2 DE69811958T2 (de) 2003-12-18

Family

ID=21706553

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811958T Expired - Fee Related DE69811958T2 (de) 1998-01-06 1998-04-10 Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit

Country Status (6)

Country Link
US (2) US5972461A (de)
EP (1) EP1046162B1 (de)
JP (1) JP2002501273A (de)
CN (1) CN1145157C (de)
DE (1) DE69811958T2 (de)
WO (1) WO1999035642A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104802A (en) 1997-02-10 2000-08-15 Genesys Telecommunications Laboratories, Inc. In-band signaling for routing
US6127017A (en) * 1997-04-30 2000-10-03 Hitachi Maxell, Ltd. Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk
JPH11149664A (ja) * 1997-11-19 1999-06-02 Sharp Corp 光ディスク
US6238763B1 (en) * 1998-01-06 2001-05-29 Imation Corp. Rewritable optical data storage disk having enhanced flatness
US6324129B1 (en) * 1998-01-08 2001-11-27 Seagate Technology Llc Near field magneto-optical head having read and write pinhole apertures
JPH11296904A (ja) 1998-04-03 1999-10-29 Toshiba Corp 情報記録媒体およびこれに用いられる樹脂基板の製造方法
US6214430B1 (en) * 1998-04-10 2001-04-10 Lg Electronics Inc. Disc recording medium and method of fabricating the same
US6381200B1 (en) * 1998-11-18 2002-04-30 Seagate Technology Llc Flash layer overcoat for first surface magneto-optical media
US6545974B1 (en) * 1998-11-18 2003-04-08 Seagate Technology Llc Disc media and methods for fabricating
US6335080B1 (en) 1999-01-04 2002-01-01 Seagate Technology Llc Magnetic disk media and disk drives utilizing polymeric disk substrates
BR0008208A (pt) 1999-02-12 2002-02-19 Gen Electric Meios de armazenamento de dados
US6816820B1 (en) * 1999-09-24 2004-11-09 Moldflow Ireland, Ltd. Method and apparatus for modeling injection of a fluid in a mold cavity
US6269072B1 (en) * 1999-10-22 2001-07-31 Victor Company Of Japan, Ltd. Optical disc
US6678238B1 (en) 1999-12-29 2004-01-13 Imation Corp. Mold for manufacturing double-sided disk shaped articles for storing data
US6441123B1 (en) * 2000-05-31 2002-08-27 General Electric Company Vibration damping monolithic polymers
JP2002117584A (ja) * 2000-10-06 2002-04-19 Sony Corp 光学記録媒体およびその製造方法
US6501589B1 (en) * 2001-02-22 2002-12-31 Aralight Article comprising a metallic anti-mirror
US7300690B2 (en) * 2001-03-29 2007-11-27 General Electric Company Radial tilt reduced media
US20020145826A1 (en) * 2001-04-09 2002-10-10 University Of Alabama Method for the preparation of nanometer scale particle arrays and the particle arrays prepared thereby
US20030060552A1 (en) * 2001-05-08 2003-03-27 Balfour Kim G. Corona resistant thermoplastic blends and methods for manufacture thereof
TWI238389B (en) * 2001-11-21 2005-08-21 Ind Tech Res Inst High density micro-optical pickup head
AU2004211184A1 (en) * 2003-02-05 2004-08-26 Moldflow Ireland Ltd. Apparatus and methods for performing process simulation using a hybrid model
JP2006523351A (ja) * 2003-03-03 2006-10-12 モルドフロウ アイルランド リミテッド 加工される材料の性質を予測する装置および方法
JP4340459B2 (ja) * 2003-03-14 2009-10-07 株式会社 日立ディスプレイズ 表示装置の製造方法
US20040268379A1 (en) * 2003-06-30 2004-12-30 Imation Corp. Storage media volumetric factor
JP2007283520A (ja) * 2006-04-13 2007-11-01 Mitsubishi Kagaku Media Co Ltd 感熱印刷層、及びこの感熱印刷層を用いた光記録媒体
US7910234B2 (en) * 2006-04-28 2011-03-22 Imation Corp. Magnetic recording medium having improved durability for high density applications
JP5053229B2 (ja) * 2007-11-21 2012-10-17 パナソニック株式会社 ギャップ制御装置及び光情報装置
WO2010064724A1 (ja) * 2008-12-05 2010-06-10 Hoya株式会社 磁気ディスク及びその製造方法
JP7029319B2 (ja) * 2018-03-13 2022-03-03 マクセル株式会社 熱アシスト記録用塗布型磁気記録媒体及びそれを用いた熱アシスト磁気記録装置と熱アシスト磁気記録方法
US20210090601A1 (en) * 2019-09-25 2021-03-25 Western Digital Technologies, Inc. Magnetic recording apparatus comprising disk with reduced thickness and reduced disk flatness

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169238A (en) * 1980-05-28 1981-12-25 Sharp Corp Magnetooptical storage disk
US4741967A (en) * 1983-06-08 1988-05-03 Canon Kabushiki Kaisha Magnetic recording medium
JPS60218732A (ja) * 1984-04-13 1985-11-01 Toshiba Corp 避雷器の切離し装置
US4664964A (en) * 1984-04-23 1987-05-12 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS6169238A (ja) 1984-09-12 1986-04-09 Fujitsu Ltd 呼番号付与方式
JPH06101115B2 (ja) 1985-09-30 1994-12-12 京セラ株式会社 ジルコニア製磁気デイスク基板及びその製法
US5158834A (en) * 1988-02-01 1992-10-27 Minnesota Mining And Manufacturing Company Magneto optic recording medium with silicon carbide dielectric
JPH02254648A (ja) * 1989-03-28 1990-10-15 Seiko Epson Corp 光磁気ディスク
US5032470A (en) * 1989-04-17 1991-07-16 Mitsui Petrochemical Industries, Ltd. Optical recording medium with an aluminum alloy metallic layer containing at least hafnium
PL285286A1 (en) * 1989-05-23 1991-01-28 Mitsui Petrochemical Ind Informating recording medium
JP2549079B2 (ja) * 1989-08-31 1996-10-30 ダイセル化学工業株式会社 複合光磁気記録媒体
US5125750A (en) * 1991-03-14 1992-06-30 The Board Of Trustees Of The Leland Stanford Junior University Optical recording system employing a solid immersion lens
DE4223850A1 (de) * 1991-07-23 1993-01-28 Mitsubishi Chem Ind Magnetooptisches aufzeichnungsmedium
DE69225771T2 (de) * 1991-11-07 1998-10-01 Toray Industries Optisches Aufzeichnungsmedium
JPH05225609A (ja) * 1992-02-06 1993-09-03 Tdk Corp 光ディスク用基板および光ディスク
US5470627A (en) * 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device
US5576087A (en) * 1992-09-18 1996-11-19 Canon Kabushiki Kaisha Magneto-optical recording medium
CA2127059A1 (en) * 1993-07-02 1995-01-03 Masahiko Sekiya Magneto-optical recording medium
JPH07182709A (ja) * 1993-11-15 1995-07-21 Minnesota Mining & Mfg Co <3M> 光磁気記録媒体
US5510163A (en) 1994-05-18 1996-04-23 National Research Council Of Canada Optical storage media having visible logos
JPH08115541A (ja) * 1994-08-24 1996-05-07 Hitachi Maxell Ltd 光磁気記録媒体
US5593790A (en) * 1994-12-29 1997-01-14 Imation Corp. Interference super-resolution using two magnetic layer construction
JPH09180276A (ja) * 1995-12-25 1997-07-11 Sharp Corp 光磁気記録媒体およびその再生方法

Also Published As

Publication number Publication date
US6180201B1 (en) 2001-01-30
CN1285949A (zh) 2001-02-28
US5972461A (en) 1999-10-26
EP1046162A1 (de) 2000-10-25
CN1145157C (zh) 2004-04-07
WO1999035642A1 (en) 1999-07-15
EP1046162B1 (de) 2003-03-05
JP2002501273A (ja) 2002-01-15
DE69811958T2 (de) 2003-12-18

Similar Documents

Publication Publication Date Title
DE69811958T2 (de) Wiederbeschreibbare optische datenspeicherplatte mit verbessenter planheit
DE69939076D1 (de) Optischer Datenspeicher
NL1003934A1 (nl) Optische diskdrive.
DE59903925D1 (de) Optischer datenspeicher
DE69731705D1 (de) Optische Informationsaufzeichnungsplatte
DE60041608D1 (de) Optisches Aufzeichnungsmedium
DE69904285D1 (de) Optisches Aufzeichnungsmedium
NL1005164A1 (nl) Optische schijfspeler.
DE69928190D1 (de) Optisches aufzeichnungsmedium
DE69929739D1 (de) Optisches Informationsaufzeichnungsmedium
DE69937766D1 (de) Aufzeichnungsvorrichtungen für optische Platte
IL144870A0 (en) Erasable/rewritable optical data storage with photorefractive polymers
DE69836897D1 (de) Optisches Aufzeichnungsmedium mit Phasenwechsel
DE69916944D1 (de) Optisches Aufzeichnungsmedium
DE69900655D1 (de) Optische Platte
NL1015136A1 (nl) Optische opname/weergaveinrichting.
DE68918592D1 (de) Optische plattenspeicher-wiedergabeanordnung.
DE60016820D1 (de) Optisches Informationsaufzeichnungsmedium
DE69722474D1 (de) Medium für optische Datenspeicherung
DE69938695D1 (de) Optisches Aufzeichnungsmedium
DE69919922D1 (de) Optische Platte
ATE219853T1 (de) Optischer aufzeichnungsträger
DE60029365D1 (de) Optisches Speichermedium
DE60006681T2 (de) Beschreibbare optische Platte
DE60039832D1 (de) Optisches Aufzeichnungsmedium

Legal Events

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