WO2003034412A3 - Optical record carrier and optical scanning device - Google Patents

Optical record carrier and optical scanning device Download PDF

Info

Publication number
WO2003034412A3
WO2003034412A3 PCT/IB2002/004279 IB0204279W WO03034412A3 WO 2003034412 A3 WO2003034412 A3 WO 2003034412A3 IB 0204279 W IB0204279 W IB 0204279W WO 03034412 A3 WO03034412 A3 WO 03034412A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical
record carrier
scanning device
track
marks
Prior art date
Application number
PCT/IB2002/004279
Other languages
French (fr)
Other versions
WO2003034412A2 (en
Inventor
Kesteren Hans W Van
Original Assignee
Koninkl Philips Electronics Nv
Kesteren Hans W Van
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 Koninkl Philips Electronics Nv, Kesteren Hans W Van filed Critical Koninkl Philips Electronics Nv
Priority to KR10-2004-7005649A priority Critical patent/KR20040053180A/en
Priority to US10/492,666 priority patent/US20040252623A1/en
Priority to JP2003537058A priority patent/JP2005505881A/en
Priority to AU2002341291A priority patent/AU2002341291A1/en
Priority to EP02775093A priority patent/EP1440435A2/en
Publication of WO2003034412A2 publication Critical patent/WO2003034412A2/en
Publication of WO2003034412A3 publication Critical patent/WO2003034412A3/en

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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

An optical record carrier includes an information layer having substantially parallel tracks (11-16). The information is recorded in a pattern of optically detectable marks. The tracks are arranged in groups, each group including at least one first track (11, 13, 15) having broad marks (18) and at least one second track (10, 12, 14, 16) having narrow marks (17) of a second width smaller than the first width. The radiation spot (19) for which the carrier is designed to be scanned has a width, larger than the track period.
PCT/IB2002/004279 2001-10-19 2002-10-16 Optical record carrier and optical scanning device WO2003034412A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR10-2004-7005649A KR20040053180A (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device
US10/492,666 US20040252623A1 (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device
JP2003537058A JP2005505881A (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device
AU2002341291A AU2002341291A1 (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device
EP02775093A EP1440435A2 (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01203949 2001-10-19
EP01203949.1 2001-10-19

Publications (2)

Publication Number Publication Date
WO2003034412A2 WO2003034412A2 (en) 2003-04-24
WO2003034412A3 true WO2003034412A3 (en) 2003-08-28

Family

ID=8181090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/004279 WO2003034412A2 (en) 2001-10-19 2002-10-16 Optical record carrier and optical scanning device

Country Status (7)

Country Link
US (1) US20040252623A1 (en)
EP (1) EP1440435A2 (en)
JP (1) JP2005505881A (en)
KR (1) KR20040053180A (en)
CN (1) CN1267907C (en)
AU (1) AU2002341291A1 (en)
WO (1) WO2003034412A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7504051B2 (en) * 2003-09-08 2009-03-17 Nantero, Inc. Applicator liquid for use in electronic manufacturing processes
JP2005141822A (en) * 2003-11-06 2005-06-02 Hitachi Ltd Information recording medium, information reproducing method and information recording method
KR20090088408A (en) * 2006-12-14 2009-08-19 톰슨 라이센싱 Optical storage medium comprising tracks with different width, and respective production method
EP1968048A1 (en) * 2007-03-08 2008-09-10 Deutsche Thomson OHG Optical storage medium and apparatus for reading of respective data
EP2009626A1 (en) * 2007-06-29 2008-12-31 Deutsche Thomson OHG Apparatus comprising a pickup unit providing three beams for reading data from or writing data to an optical storage medium, and respective optical storage medium
EP2172934A1 (en) * 2008-10-06 2010-04-07 Thomson Licensing Optical storage medium comprising marks with different orientation, and respective apparatus for reading of data.
EP2287838A1 (en) 2009-07-23 2011-02-23 Thomson Licensing Optical storage medium comprising tracks with modified mark dimensions, and respective apparatus for reading of data
JP5791690B2 (en) * 2013-12-03 2015-10-07 株式会社バンダイ Information holding medium and information reading apparatus
JP6218779B2 (en) * 2015-07-28 2017-10-25 株式会社バンダイ Information holding medium and information reading apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05182203A (en) * 1992-01-07 1993-07-23 Victor Co Of Japan Ltd Optical recording medium disk
EP0633565A1 (en) * 1993-07-06 1995-01-11 Pioneer Electronic Corporation Optical disk, optical disk reproducing apparatus and recording/reproducing method of optical disk
US5621719A (en) * 1994-03-03 1997-04-15 Pioneer Electronic Corporation Optical disk and apparatus for reproducing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581539A (en) * 1994-08-12 1996-12-03 Mitsubishi Chemical Corporation Optical recording medium
JP2738337B2 (en) * 1995-03-31 1998-04-08 日本電気株式会社 Optical reproducing medium reproducing method and reproducing apparatus
JP3769829B2 (en) * 1996-08-29 2006-04-26 ソニー株式会社 Playback apparatus and playback method
KR19980064133A (en) * 1996-12-16 1998-10-07 히라이가즈히꼬 Optical recording media
US6108280A (en) * 1998-06-30 2000-08-22 Fujitsu Ltd. Optical information storage unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05182203A (en) * 1992-01-07 1993-07-23 Victor Co Of Japan Ltd Optical recording medium disk
EP0633565A1 (en) * 1993-07-06 1995-01-11 Pioneer Electronic Corporation Optical disk, optical disk reproducing apparatus and recording/reproducing method of optical disk
US5621719A (en) * 1994-03-03 1997-04-15 Pioneer Electronic Corporation Optical disk and apparatus for reproducing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 605 (P - 1639) 8 November 1993 (1993-11-08) *

Also Published As

Publication number Publication date
EP1440435A2 (en) 2004-07-28
KR20040053180A (en) 2004-06-23
CN1571995A (en) 2005-01-26
WO2003034412A2 (en) 2003-04-24
JP2005505881A (en) 2005-02-24
AU2002341291A1 (en) 2003-04-28
CN1267907C (en) 2006-08-02
US20040252623A1 (en) 2004-12-16

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