DE69029562D1 - Mehrlagige optische Platte - Google Patents

Mehrlagige optische Platte

Info

Publication number
DE69029562D1
DE69029562D1 DE69029562T DE69029562T DE69029562D1 DE 69029562 D1 DE69029562 D1 DE 69029562D1 DE 69029562 T DE69029562 T DE 69029562T DE 69029562 T DE69029562 T DE 69029562T DE 69029562 D1 DE69029562 D1 DE 69029562D1
Authority
DE
Germany
Prior art keywords
optical disc
layer optical
layer
disc
optical
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 - Lifetime
Application number
DE69029562T
Other languages
English (en)
Other versions
DE69029562T2 (de
Inventor
Isao Satoh
Yoshihisa Fukushima
Yuji Takagi
Yasushi Azumatani
Hiroshi Hamasaka
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69029562D1 publication Critical patent/DE69029562D1/de
Publication of DE69029562T2 publication Critical patent/DE69029562T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B7/007—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
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • 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
    • G11B7/00745—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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • 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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE69029562T 1989-10-30 1990-10-29 Mehrlagige optische Platte Expired - Lifetime DE69029562T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28324189 1989-10-30

Publications (2)

Publication Number Publication Date
DE69029562D1 true DE69029562D1 (de) 1997-02-13
DE69029562T2 DE69029562T2 (de) 1997-06-26

Family

ID=17662920

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69034169T Expired - Lifetime DE69034169T2 (de) 1989-10-30 1990-10-29 Verfahren zum Zugriff auf eine mehrschichtige optische Platte
DE69029562T Expired - Lifetime DE69029562T2 (de) 1989-10-30 1990-10-29 Mehrlagige optische Platte
DE69033786T Expired - Lifetime DE69033786T2 (de) 1989-10-30 1990-10-29 Mehrlagige optische Platte

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69034169T Expired - Lifetime DE69034169T2 (de) 1989-10-30 1990-10-29 Verfahren zum Zugriff auf eine mehrschichtige optische Platte

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69033786T Expired - Lifetime DE69033786T2 (de) 1989-10-30 1990-10-29 Mehrlagige optische Platte

Country Status (5)

Country Link
US (9) US5303225A (de)
EP (5) EP0910072B1 (de)
JP (1) JP2503300B2 (de)
CA (1) CA2028544C (de)
DE (3) DE69034169T2 (de)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
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US20040170113A1 (en) 2004-09-02
DE69033786T2 (de) 2002-04-18
US5303225A (en) 1994-04-12
US5428597A (en) 1995-06-27
EP0910072B1 (de) 2004-09-29
EP0731461B1 (de) 2001-08-29
JP2503300B2 (ja) 1996-06-05
DE69029562T2 (de) 1997-06-26
EP1515316A3 (de) 2006-06-07
DE69033786D1 (de) 2001-10-04
CA2028544A1 (en) 1991-05-01
US6728195B2 (en) 2004-04-27
US5883878A (en) 1999-03-16
US20040170112A1 (en) 2004-09-02
EP1498887A3 (de) 2006-06-07
EP0910072A2 (de) 1999-04-21
DE69034169T2 (de) 2005-02-17
US6985427B2 (en) 2006-01-10
EP1515316A2 (de) 2005-03-16
EP0426409A3 (en) 1992-01-29
US6421315B1 (en) 2002-07-16
US20020054562A1 (en) 2002-05-09
CA2028544C (en) 2000-04-18
EP0731461A1 (de) 1996-09-11
US6958971B2 (en) 2005-10-25
EP0426409A2 (de) 1991-05-08
EP0426409B1 (de) 1997-01-02
EP0910072A3 (de) 2002-12-04
US5764620A (en) 1998-06-09
US5870374A (en) 1999-02-09
EP1498887A2 (de) 2005-01-19
JPH03219440A (ja) 1991-09-26
DE69034169D1 (de) 2004-11-04

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