DE69625559T2 - Verbesserte mit Licht lesbare Aufzeichnungsplatte - Google Patents

Verbesserte mit Licht lesbare Aufzeichnungsplatte

Info

Publication number
DE69625559T2
DE69625559T2 DE69625559T DE69625559T DE69625559T2 DE 69625559 T2 DE69625559 T2 DE 69625559T2 DE 69625559 T DE69625559 T DE 69625559T DE 69625559 T DE69625559 T DE 69625559T DE 69625559 T2 DE69625559 T2 DE 69625559T2
Authority
DE
Germany
Prior art keywords
pits
lands
bumps
improved light
readable recording
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
DE69625559T
Other languages
English (en)
Other versions
DE69625559D1 (de
Inventor
Charles M J Mecca
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.)
Wea Manufacturing Inc
Original Assignee
Wea Manufacturing Inc
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 Wea Manufacturing Inc filed Critical Wea Manufacturing Inc
Publication of DE69625559D1 publication Critical patent/DE69625559D1/de
Application granted granted Critical
Publication of DE69625559T2 publication Critical patent/DE69625559T2/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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
    • 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
    • G11B7/24—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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2595—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on gold

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Holo Graphy (AREA)
DE69625559T 1995-09-12 1996-09-02 Verbesserte mit Licht lesbare Aufzeichnungsplatte Expired - Lifetime DE69625559T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/527,158 US5995481A (en) 1995-09-12 1995-09-12 Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs

Publications (2)

Publication Number Publication Date
DE69625559D1 DE69625559D1 (de) 2003-02-06
DE69625559T2 true DE69625559T2 (de) 2003-09-18

Family

ID=24100337

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69625559T Expired - Lifetime DE69625559T2 (de) 1995-09-12 1996-09-02 Verbesserte mit Licht lesbare Aufzeichnungsplatte

Country Status (7)

Country Link
US (1) US5995481A (de)
EP (1) EP0764946B1 (de)
JP (1) JP3929528B2 (de)
AT (1) ATE230513T1 (de)
AU (1) AU729555B2 (de)
DE (1) DE69625559T2 (de)
SG (1) SG42436A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6826143B1 (en) 2000-01-14 2004-11-30 Lucent Technologies Inc. Multi-dimensional optical disk
US20030156532A1 (en) * 2000-05-01 2003-08-21 Wea Manufacturing Inc. Interference of converging spherical waves with application to the design of light-readable information recording media and systems for reading such media
WO2001084546A2 (en) * 2000-05-01 2001-11-08 Wea Manufacturing Inc. Interference of converging spherical waves with application to the design of light-readable information recording media and systems for reading such media
US7978583B2 (en) * 2005-05-24 2011-07-12 Cinram International Inc. Apparatus and method for forming reflective layer of optical disc
US20060274617A1 (en) * 2005-06-03 2006-12-07 Musto James J Techniques for forming burst cutting area mark
US20070090006A1 (en) * 2005-10-26 2007-04-26 Jeffery Kelsch Spindle sleeve
US7684309B2 (en) * 2005-11-03 2010-03-23 Cinram International Inc. Multi-purpose high-density optical disc
US7986611B1 (en) 2007-03-22 2011-07-26 Cinram International Inc. High-density optical recording media and method for making same
US8675464B2 (en) 2005-11-03 2014-03-18 Cinram Group, Inc. Dual sided optical storage media and method for making same
US7910191B1 (en) 2006-03-09 2011-03-22 Cinram International Inc. Method for forming light-transmitting cover layer for optical recording medium
US20110096655A1 (en) * 2006-03-09 2011-04-28 Cinram International Inc. Forming light-transmitting cover layer for recording medium
US20080223743A1 (en) * 2007-03-12 2008-09-18 Gary Lenkeit Ecofriendly package for CDs and DVDs
US7946015B1 (en) 2007-11-07 2011-05-24 Cinram International Inc. Method and apparatus for separating dummy disc from multi-layer substrate for optical storage medium
US20090127142A1 (en) * 2007-11-15 2009-05-21 Jeff Rothstein Optical disc enclosure incorporating fragrance atomizer
US8739299B1 (en) 2009-12-24 2014-05-27 Cinram Group, Inc. Content unlocking
US8369196B1 (en) 2010-05-04 2013-02-05 Cinram International Inc. BCA recording on optical recording medium
US8526282B1 (en) 2010-07-07 2013-09-03 Cinram Group, Inc. Method for replicating media using unique identifiers

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430966A (en) * 1967-04-03 1969-03-04 Gauss Electrophysics Inc Transparent recording disc
US4819223A (en) * 1968-06-06 1989-04-04 Discovision Associates Video record disc
US4893297A (en) * 1968-06-06 1990-01-09 Discovision Associates Disc-shaped member
US3687664A (en) * 1968-07-24 1972-08-29 Gauss Electrophysics Inc Duplicating process for video disc records
DE2031515C3 (de) * 1970-06-25 1982-04-15 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Auslesen von Informationen
US4041530A (en) * 1971-03-04 1977-08-09 U.S. Philips Corporation Video disc with phase structure
US3999009A (en) * 1971-03-11 1976-12-21 U.S. Philips Corporation Apparatus for playing a transparent optically encoded multilayer information carrying disc
US3855426A (en) * 1971-03-11 1974-12-17 Philips Corp Video disc recording and optical playback system therefor
NL172202C (nl) * 1971-03-11 1983-07-18 Philips Nv Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen.
US5182743A (en) * 1972-08-25 1993-01-26 Thomson-Csf Optical disk arrangement with diffractive tracks allowing positional control
FR2197495A5 (de) * 1972-08-25 1974-03-22 Thomson Csf
US5175725A (en) * 1972-08-25 1992-12-29 Thomson-Csf Optical disk arrangement with closed contours whose entire extent represents information
NL161284C (nl) * 1972-09-02 1980-01-15 Philips Nv Weergavestelsel voor een optisch uitleesbare informatie- structuur, alsmede registratiedrager voor gebruik daarin.
NL7212044A (de) * 1972-09-05 1974-03-07
NL7402012A (nl) * 1974-02-14 1975-08-18 Philips Nv Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
US5084852A (en) * 1980-07-16 1992-01-28 Discovision Associates System for recording digital information in a pulse-length modulation format
US5003526A (en) * 1980-07-16 1991-03-26 Discovision Associates System for recording digital information in a pulse-length modulation format
US5253244A (en) * 1980-07-16 1993-10-12 Discovision Associates System for recording digital information in a pulse-length modulation format
JPS60117430A (ja) * 1983-11-29 1985-06-24 Toshiba Corp 光ディスク
JPS60157740A (ja) * 1984-01-27 1985-08-19 Ricoh Co Ltd 光デイスク
JPS62246784A (ja) * 1986-04-21 1987-10-27 Canon Inc 光記録媒体
US5144552A (en) * 1986-07-25 1992-09-01 Ricoh Company, Ltd. Optical information storage medium having grooves and pits with specific depths, respectively
JPS648514A (en) * 1987-07-01 1989-01-12 Canon Kk Method and device for reproducing optical information and optical information recording medium
FR2663146A1 (fr) * 1990-06-12 1991-12-13 Thomson Csf Stockage optique d'informations en strates superposees.
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
JPH0729214A (ja) * 1993-07-13 1995-01-31 Nippon Columbia Co Ltd 記録スポット径の評価用ディスク
FR2710443B1 (fr) * 1993-09-22 1995-11-10 Digipress Sa Procédé d'enregistrement d'informations sur un disque optique et de lecture de celles-ci, support d'enregistrement et agencement de lecture pour la mise en Óoeuvre du procédé.

Also Published As

Publication number Publication date
DE69625559D1 (de) 2003-02-06
ATE230513T1 (de) 2003-01-15
AU6558596A (en) 1997-03-20
JP3929528B2 (ja) 2007-06-13
AU729555B2 (en) 2001-02-01
US5995481A (en) 1999-11-30
JPH09120583A (ja) 1997-05-06
EP0764946B1 (de) 2003-01-02
EP0764946A1 (de) 1997-03-26
SG42436A1 (en) 1997-08-15

Similar Documents

Publication Publication Date Title
DE69625559T2 (de) Verbesserte mit Licht lesbare Aufzeichnungsplatte
HK1000262A1 (en) Optical information recording medium
AU3510589A (en) Optical information recording medium
MY107081A (en) Optical recording medium.
MY122178A (en) Optical recording medium and optical recording/reproducing apparatus
EP0385341A3 (de) Medium für optische Datenspeicherung
ATE172048T1 (de) Magnetooptisches informationsaufzeichnungs- und - wiedergabegerät
FR2392464A1 (fr) Appareil et procede de reproduction de sons a partir de signaux sonores enregistres optiquement
JPS647327A (en) Method and apparatus for optical information recording
EP0913815A3 (de) Verfahren und Vorrichtung zur Datenaufzeichnung und -wiedergabe auf und von optischen Platten
ATE187839T1 (de) Aufzeichnungs-/wiedergabesystem für eine magneto- optische platte
MY110550A (en) Optical head apparatus
EP0282744A3 (de) Magneto-optische Scheibe
AU6060090A (en) Magneto-optical recording and/or reproducing device
EP1124220A3 (de) Optisches Aufzeichnungsmedium und Matrizenplatte zur Herstellung eines optischen Aufzeichnungsmedium
AU5181196A (en) Method and means for changing pit depth on an optical recordable medium
JPS6467780A (en) Optical information recording medium
JPS5619528A (en) Optical recording and reproducing unit

Legal Events

Date Code Title Description
8364 No opposition during term of opposition