DE60308226D1 - Magnetisch geklemmter optischer datenträger und vorrichtung - Google Patents

Magnetisch geklemmter optischer datenträger und vorrichtung

Info

Publication number
DE60308226D1
DE60308226D1 DE60308226T DE60308226T DE60308226D1 DE 60308226 D1 DE60308226 D1 DE 60308226D1 DE 60308226 T DE60308226 T DE 60308226T DE 60308226 T DE60308226 T DE 60308226T DE 60308226 D1 DE60308226 D1 DE 60308226D1
Authority
DE
Germany
Prior art keywords
data carrier
optical data
clamped optical
magnetically clamped
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
DE60308226T
Other languages
English (en)
Other versions
DE60308226T2 (de
Inventor
Der Aa Michiel Van
Hermanus Borg
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60308226D1 publication Critical patent/DE60308226D1/de
Publication of DE60308226T2 publication Critical patent/DE60308226T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2532—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising metals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • 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
    • G11B23/0014—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 record carriers not specifically of filamentary or web form
    • G11B23/0021—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 record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
DE60308226T 2002-12-30 2003-12-18 Magnetisch geklemmter optischer datenträger und vorrichtung Expired - Fee Related DE60308226T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02293261 2002-12-30
EP02293261 2002-12-30
PCT/IB2003/006158 WO2004059632A2 (en) 2002-12-30 2003-12-18 Magnetically clamped optical disc and apparatus

Publications (2)

Publication Number Publication Date
DE60308226D1 true DE60308226D1 (de) 2006-10-19
DE60308226T2 DE60308226T2 (de) 2007-07-26

Family

ID=32668921

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60308226T Expired - Fee Related DE60308226T2 (de) 2002-12-30 2003-12-18 Magnetisch geklemmter optischer datenträger und vorrichtung

Country Status (10)

Country Link
US (1) US20060190956A1 (de)
EP (1) EP1581942B1 (de)
JP (1) JP4115995B2 (de)
KR (1) KR20050097497A (de)
CN (1) CN100359579C (de)
AT (1) ATE339002T1 (de)
AU (1) AU2003285669A1 (de)
DE (1) DE60308226T2 (de)
TW (1) TWI286745B (de)
WO (1) WO2004059632A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005063573A (ja) * 2003-08-14 2005-03-10 Sony Corp 光ディスク媒体の製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168950A (ja) * 1983-03-17 1984-09-22 Ricoh Co Ltd 光磁気記録媒体
CN1007187B (zh) * 1986-07-22 1990-03-14 三菱电机株式会社 光盘
JP2537348Y2 (ja) * 1988-01-19 1997-05-28 三井石油化学工業株式会社 光ディスク
DE19631319A1 (de) * 1995-08-15 1997-02-20 Minnesota Mining & Mfg Platte zur optischen Datenspeicherung
JP3460947B2 (ja) * 1998-06-04 2003-10-27 シャープ株式会社 光磁気記録媒体および光磁気記録装置
JP2001006210A (ja) * 1999-06-22 2001-01-12 Sony Corp 光記録媒体及びディスクカートリッジ
US6817026B2 (en) * 2000-04-28 2004-11-09 Dphi Acquisitions, Inc. Magnetic hub assembly for data storage disk
JP2002092870A (ja) * 2000-09-12 2002-03-29 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
US6627254B1 (en) * 2000-09-20 2003-09-30 Seagate Technology Llc Method of manufacturing a recording media with mechanically patterned landing zone
WO2002054390A1 (fr) * 2000-12-28 2002-07-11 Hitachi Maxell, Ltd. Support d'enregistrement magnetique et son procede de fabrication, dispositif de stockage magnetique
TWI234765B (en) * 2001-03-29 2005-06-21 Matsushita Electric Ind Co Ltd Rotor assembly, information-recording/-reproducing device and method of assembling the rotor assembly
JP2003346317A (ja) * 2002-05-23 2003-12-05 Fuji Photo Film Co Ltd 垂直磁気記録媒体
JP2006505089A (ja) * 2002-10-31 2006-02-09 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ データ担体を保護するカートリッジ
US20050036223A1 (en) * 2002-11-27 2005-02-17 Wachenschwanz David E. Magnetic discrete track recording disk
JP2004348777A (ja) * 2003-05-20 2004-12-09 Hitachi Ltd 垂直磁気記録媒体および磁気記録装置

Also Published As

Publication number Publication date
TW200423081A (en) 2004-11-01
EP1581942A2 (de) 2005-10-05
EP1581942B1 (de) 2006-09-06
AU2003285669A1 (en) 2004-07-22
CN100359579C (zh) 2008-01-02
JP2006512714A (ja) 2006-04-13
WO2004059632A2 (en) 2004-07-15
TWI286745B (en) 2007-09-11
CN1732525A (zh) 2006-02-08
JP4115995B2 (ja) 2008-07-09
US20060190956A1 (en) 2006-08-24
ATE339002T1 (de) 2006-09-15
DE60308226T2 (de) 2007-07-26
AU2003285669A8 (en) 2004-07-22
KR20050097497A (ko) 2005-10-07
WO2004059632A3 (en) 2004-10-07

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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