TW200407884A - Manufacturing method of master disc for optical recording medium and manufacturing method of optical recording medium - Google Patents

Manufacturing method of master disc for optical recording medium and manufacturing method of optical recording medium Download PDF

Info

Publication number
TW200407884A
TW200407884A TW92125388A TW92125388A TW200407884A TW 200407884 A TW200407884 A TW 200407884A TW 92125388 A TW92125388 A TW 92125388A TW 92125388 A TW92125388 A TW 92125388A TW 200407884 A TW200407884 A TW 200407884A
Authority
TW
Taiwan
Prior art keywords
optical recording
laser beam
recording medium
master
imaginary
Prior art date
Application number
TW92125388A
Other languages
English (en)
Chinese (zh)
Inventor
Syuji Tsukamoto
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 TW200407884A publication Critical patent/TW200407884A/zh

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)
TW92125388A 2002-09-13 2003-09-15 Manufacturing method of master disc for optical recording medium and manufacturing method of optical recording medium TW200407884A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW200407884A true TW200407884A (en) 2004-05-16

Family

ID=31986801

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92125388A TW200407884A (en) 2002-09-13 2003-09-15 Manufacturing method of master disc for optical recording medium and manufacturing method of 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
AU2003266510A1 (en) 2004-04-30
JP2004110889A (ja) 2004-04-08
WO2004025641A1 (ja) 2004-03-25

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