SG42436A1 - Improved light-readable recording disc - Google Patents
Improved light-readable recording discInfo
- Publication number
- SG42436A1 SG42436A1 SG1996010548A SG1996010548A SG42436A1 SG 42436 A1 SG42436 A1 SG 42436A1 SG 1996010548 A SG1996010548 A SG 1996010548A SG 1996010548 A SG1996010548 A SG 1996010548A SG 42436 A1 SG42436 A1 SG 42436A1
- Authority
- SG
- Singapore
- Prior art keywords
- pits
- lands
- bumps
- recording disc
- improved light
- Prior art date
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)
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 (1)
Publication Number | Publication Date |
---|---|
SG42436A1 true SG42436A1 (en) | 1997-08-15 |
Family
ID=24100337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996010548A SG42436A1 (en) | 1995-09-12 | 1996-09-04 | Improved light-readable recording disc |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6826143B1 (en) | 2000-01-14 | 2004-11-30 | Lucent Technologies Inc. | Multi-dimensional optical disk |
JP2003532965A (ja) * | 2000-05-01 | 2003-11-05 | ウェア マニュファクチャリング インコーポレイティド | 収束球面波の干渉を応用して設計した光学的に読み取り可能な情報記録媒体及びこれを読み取るためのシステム |
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 |
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 |
US7986611B1 (en) | 2007-03-22 | 2011-07-26 | Cinram International Inc. | High-density optical recording media and method for making same |
US7684309B2 (en) | 2005-11-03 | 2010-03-23 | Cinram International Inc. | Multi-purpose high-density optical disc |
US8675464B2 (en) | 2005-11-03 | 2014-03-18 | Cinram Group, Inc. | Dual sided optical storage media and method for making same |
US20110096655A1 (en) * | 2006-03-09 | 2011-04-28 | Cinram International Inc. | Forming light-transmitting cover layer for recording medium |
US7910191B1 (en) | 2006-03-09 | 2011-03-22 | Cinram International Inc. | Method for forming light-transmitting cover layer for optical 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)
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 |
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. |
US3855426A (en) * | 1971-03-11 | 1974-12-17 | Philips Corp | Video disc recording and optical playback system therefor |
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 |
US5182743A (en) * | 1972-08-25 | 1993-01-26 | Thomson-Csf | Optical disk arrangement with diffractive tracks allowing positional control |
NL7212044A (de) * | 1972-09-05 | 1974-03-07 | ||
NL161284C (nl) * | 1972-09-02 | 1980-01-15 | Philips Nv | Weergavestelsel voor een optisch uitleesbare informatie- structuur, alsmede registratiedrager voor gebruik daarin. |
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 |
US5003526A (en) * | 1980-07-16 | 1991-03-26 | Discovision Associates | System for recording digital information in a pulse-length modulation format |
US5084852A (en) * | 1980-07-16 | 1992-01-28 | 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. |
-
1995
- 1995-09-12 US US08/527,158 patent/US5995481A/en not_active Expired - Lifetime
-
1996
- 1996-09-02 AT AT96306355T patent/ATE230513T1/de not_active IP Right Cessation
- 1996-09-02 DE DE69625559T patent/DE69625559T2/de not_active Expired - Lifetime
- 1996-09-02 EP EP96306355A patent/EP0764946B1/de not_active Expired - Lifetime
- 1996-09-04 SG SG1996010548A patent/SG42436A1/en unknown
- 1996-09-11 AU AU65585/96A patent/AU729555B2/en not_active Ceased
- 1996-09-12 JP JP24232196A patent/JP3929528B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5995481A (en) | 1999-11-30 |
AU729555B2 (en) | 2001-02-01 |
JP3929528B2 (ja) | 2007-06-13 |
JPH09120583A (ja) | 1997-05-06 |
AU6558596A (en) | 1997-03-20 |
DE69625559T2 (de) | 2003-09-18 |
ATE230513T1 (de) | 2003-01-15 |
EP0764946A1 (de) | 1997-03-26 |
EP0764946B1 (de) | 2003-01-02 |
DE69625559D1 (de) | 2003-02-06 |
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