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WO2003038819A1 - Procede d'enregistrement optique et support d'enregistrement optique - Google Patents

Procede d'enregistrement optique et support d'enregistrement optique Download PDF

Info

Publication number
WO2003038819A1
WO2003038819A1 PCT/JP2002/011187 JP0211187W WO03038819A1 WO 2003038819 A1 WO2003038819 A1 WO 2003038819A1 JP 0211187 W JP0211187 W JP 0211187W WO 03038819 A1 WO03038819 A1 WO 03038819A1
Authority
WO
WIPO (PCT)
Prior art keywords
record
laser beam
recording
optical
record medium
Prior art date
Application number
PCT/JP2002/011187
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Arioka
Shuji Tsukamoto
Narutoshi Fukuzawa
Takashi Horai
Hiroshi Take
Motohiro Inoue
Original Assignee
Tdk Corporation
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 JP2001331495A external-priority patent/JP2003141725A/ja
Priority claimed from JP2001345223A external-priority patent/JP2003151136A/ja
Application filed by Tdk Corporation filed Critical Tdk Corporation
Publication of WO2003038819A1 publication Critical patent/WO2003038819A1/ja

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1267—Power calibration
    • 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
    • G11B7/0045—Recording
    • 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

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
PCT/JP2002/011187 2001-10-29 2002-10-28 Procede d'enregistrement optique et support d'enregistrement optique WO2003038819A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001331495A JP2003141725A (ja) 2001-10-29 2001-10-29 光記録方法及び光記録媒体
JP2001-331495 2001-10-29
JP2001345223A JP2003151136A (ja) 2001-11-09 2001-11-09 光記録方法及び光記録媒体
JP2001-345223 2001-11-09

Publications (1)

Publication Number Publication Date
WO2003038819A1 true WO2003038819A1 (fr) 2003-05-08

Family

ID=26624174

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/011187 WO2003038819A1 (fr) 2001-10-29 2002-10-28 Procede d'enregistrement optique et support d'enregistrement optique

Country Status (2)

Country Link
TW (1) TW200300250A (ja)
WO (1) WO2003038819A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0765378A (ja) * 1993-08-30 1995-03-10 Ricoh Co Ltd 光記録方法、光記録媒体及びその製造方法
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
JPH10106008A (ja) * 1996-09-30 1998-04-24 Seiko Epson Corp 光ディスク装置
WO2001027917A1 (fr) * 1999-10-14 2001-04-19 Tdk Corporation Support d'enregistrement optique, procede d'enregistrement optique, procede de reproduction de support optique enregistre
JP2001155340A (ja) * 1999-11-29 2001-06-08 Ricoh Co Ltd 光記録媒体の記録方法および記録装置
JP2001243633A (ja) * 2000-02-25 2001-09-07 Sony Corp 記録媒体、記録装置、再生装置
EP1174863A2 (en) * 2000-06-22 2002-01-23 TDK Corporation Optical recording medium and optical recording method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0765378A (ja) * 1993-08-30 1995-03-10 Ricoh Co Ltd 光記録方法、光記録媒体及びその製造方法
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
JPH10106008A (ja) * 1996-09-30 1998-04-24 Seiko Epson Corp 光ディスク装置
WO2001027917A1 (fr) * 1999-10-14 2001-04-19 Tdk Corporation Support d'enregistrement optique, procede d'enregistrement optique, procede de reproduction de support optique enregistre
JP2001155340A (ja) * 1999-11-29 2001-06-08 Ricoh Co Ltd 光記録媒体の記録方法および記録装置
JP2001243633A (ja) * 2000-02-25 2001-09-07 Sony Corp 記録媒体、記録装置、再生装置
EP1174863A2 (en) * 2000-06-22 2002-01-23 TDK Corporation Optical recording medium and optical recording method

Also Published As

Publication number Publication date
TW200300250A (en) 2003-05-16

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