AU2003266510A1 - Method of producing optical recording medium-use original and method of producing optical recording medium - Google Patents

Method of producing optical recording medium-use original and method of producing optical recording medium

Info

Publication number
AU2003266510A1
AU2003266510A1 AU2003266510A AU2003266510A AU2003266510A1 AU 2003266510 A1 AU2003266510 A1 AU 2003266510A1 AU 2003266510 A AU2003266510 A AU 2003266510A AU 2003266510 A AU2003266510 A AU 2003266510A AU 2003266510 A1 AU2003266510 A1 AU 2003266510A1
Authority
AU
Australia
Prior art keywords
recording medium
optical recording
producing optical
use original
producing
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.)
Abandoned
Application number
AU2003266510A
Other languages
English (en)
Inventor
Syuji Tsukamoto
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Publication of AU2003266510A1 publication Critical patent/AU2003266510A1/en
Abandoned 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
AU2003266510A 2002-09-13 2003-09-11 Method of producing optical recording medium-use original and method of producing optical recording medium Abandoned AU2003266510A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002268973A JP2004110889A (ja) 2002-09-13 2002-09-13 光記録媒体用原盤の製造方法及び光記録媒体の製造方法
JP2002-268973 2002-09-13
PCT/JP2003/011668 WO2004025641A1 (ja) 2002-09-13 2003-09-11 光記録媒体用原盤の製造方法および光記録媒体の製造方法

Publications (1)

Publication Number Publication Date
AU2003266510A1 true AU2003266510A1 (en) 2004-04-30

Family

ID=31986801

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003266510A Abandoned AU2003266510A1 (en) 2002-09-13 2003-09-11 Method of producing optical recording medium-use original and method of producing optical recording medium

Country Status (4)

Country Link
JP (1) JP2004110889A (ja)
AU (1) AU2003266510A1 (ja)
TW (1) TW200407884A (ja)
WO (1) WO2004025641A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100452209C (zh) * 2005-03-08 2009-01-14 清华大学 多阶只读母盘的制法
CN100347775C (zh) * 2005-03-08 2007-11-07 清华大学 多阶只读光盘及其制法
CN100452208C (zh) * 2005-03-08 2009-01-14 清华大学 多阶只读光盘的制法
CN100452203C (zh) * 2005-03-08 2009-01-14 上海香樟电子有限公司 多阶只读母盘的制法
CN100369140C (zh) * 2005-03-08 2008-02-13 北京保利星数据光盘有限公司 多阶只读光盘及其制法
CN100452204C (zh) * 2005-03-08 2009-01-14 上海香樟电子有限公司 多阶只读光盘的制法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04111229A (ja) * 1990-08-31 1992-04-13 Toshiba Corp 情報再生装置
JPH06124450A (ja) * 1992-10-12 1994-05-06 Toshiba Corp 情報記憶媒体
JPH08124167A (ja) * 1994-10-19 1996-05-17 Hitachi Ltd 光学的情報記録再生方法及び装置
JP2001184649A (ja) * 1999-10-14 2001-07-06 Tdk Corp 光記録システム及び光記録媒体
JP2001250280A (ja) * 2000-03-02 2001-09-14 Sony Corp 記録媒体、記録媒体の製造方法、記録媒体製造用原盤の製造方法、記録媒体の製造装置、および記録媒体製造用原盤の製造装置
JP2001256646A (ja) * 2000-03-15 2001-09-21 Hitachi Ltd 光学的情報記録再生方法
JP2003233932A (ja) * 2002-02-07 2003-08-22 Ricoh Co Ltd 光情報記録媒体、光ディスク装置および原盤の作製方法

Also Published As

Publication number Publication date
JP2004110889A (ja) 2004-04-08
TW200407884A (en) 2004-05-16
WO2004025641A1 (ja) 2004-03-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase