SG44688A1 - Disk-shaped optical storage medium and method for its fabrication - Google Patents

Disk-shaped optical storage medium and method for its fabrication

Info

Publication number
SG44688A1
SG44688A1 SG1996005639A SG1996005639A SG44688A1 SG 44688 A1 SG44688 A1 SG 44688A1 SG 1996005639 A SG1996005639 A SG 1996005639A SG 1996005639 A SG1996005639 A SG 1996005639A SG 44688 A1 SG44688 A1 SG 44688A1
Authority
SG
Singapore
Prior art keywords
pct
pits
lands
disk
storage medium
Prior art date
Application number
SG1996005639A
Other languages
English (en)
Inventor
Hilmar Schiewe
Original Assignee
Sonopress Prod
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 Sonopress Prod filed Critical Sonopress Prod
Publication of SG44688A1 publication Critical patent/SG44688A1/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/281—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • 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
    • G11B7/24—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
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Packaging For Recording Disks (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
SG1996005639A 1993-04-08 1994-03-24 Disk-shaped optical storage medium and method for its fabrication SG44688A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4311683A DE4311683C2 (de) 1993-04-08 1993-04-08 Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung

Publications (1)

Publication Number Publication Date
SG44688A1 true SG44688A1 (en) 1997-12-19

Family

ID=6485125

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996005639A SG44688A1 (en) 1993-04-08 1994-03-24 Disk-shaped optical storage medium and method for its fabrication

Country Status (19)

Country Link
US (1) US5608718A (hu)
EP (1) EP0645042B1 (hu)
JP (1) JPH07507899A (hu)
KR (1) KR100293135B1 (hu)
CN (1) CN1061157C (hu)
AT (1) ATE176735T1 (hu)
AU (1) AU671740B2 (hu)
BR (1) BR9404394A (hu)
CA (1) CA2135279C (hu)
CZ (1) CZ286493B6 (hu)
DE (2) DE4311683C2 (hu)
ES (1) ES2130414T3 (hu)
GR (1) GR3029481T3 (hu)
HK (1) HK1008706A1 (hu)
HU (1) HU215322B (hu)
PL (1) PL173341B1 (hu)
RU (1) RU2124764C1 (hu)
SG (1) SG44688A1 (hu)
WO (1) WO1994024665A1 (hu)

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WO1999060568A1 (en) * 1998-05-20 1999-11-25 Recording Industry Association Of America Copy protection method using broken modulation rules
US6684199B1 (en) 1998-05-20 2004-01-27 Recording Industry Association Of America Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same
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Also Published As

Publication number Publication date
AU671740B2 (en) 1996-09-05
WO1994024665A1 (de) 1994-10-27
CZ286493B6 (en) 2000-04-12
ES2130414T3 (es) 1999-07-01
CZ274594A3 (en) 1995-12-13
RU94046167A (ru) 1996-09-27
JPH07507899A (ja) 1995-08-31
DE4311683C2 (de) 1996-05-02
CN1103539A (zh) 1995-06-07
CA2135279C (en) 2001-08-28
CA2135279A1 (en) 1994-10-09
US5608718A (en) 1997-03-04
RU2124764C1 (ru) 1999-01-10
ATE176735T1 (de) 1999-02-15
HK1008706A1 (en) 1999-05-14
AU6504994A (en) 1994-11-08
EP0645042A1 (de) 1995-03-29
KR950701443A (ko) 1995-03-23
KR100293135B1 (ko) 2001-06-15
DE59407795D1 (de) 1999-03-25
CN1061157C (zh) 2001-01-24
DE4311683A1 (de) 1994-10-13
HUT72804A (en) 1996-05-28
EP0645042B1 (de) 1999-02-10
GR3029481T3 (en) 1999-05-28
PL305803A1 (en) 1995-02-06
PL173341B1 (pl) 1998-02-27
BR9404394A (pt) 1999-06-15
HU215322B (hu) 1998-11-30

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