SG52484A1 - Optical recording medium - Google Patents
Optical recording mediumInfo
- Publication number
- SG52484A1 SG52484A1 SG1996005127A SG1996005127A SG52484A1 SG 52484 A1 SG52484 A1 SG 52484A1 SG 1996005127 A SG1996005127 A SG 1996005127A SG 1996005127 A SG1996005127 A SG 1996005127A SG 52484 A1 SG52484 A1 SG 52484A1
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- optical recording
- optical
- medium
- recording
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/08—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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/24018—Laminated discs
- G11B7/24027—Layers; Shape, structure or physical properties thereof
-
- 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
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24079—Width or depth
-
- 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
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
- G11B7/248—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8378491 | 1991-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG52484A1 true SG52484A1 (en) | 1998-09-28 |
Family
ID=13812263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1996005127A SG52484A1 (en) | 1991-04-16 | 1992-04-12 | Optical recording medium |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08306069A (ja) * | 1995-05-11 | 1996-11-22 | Seiko Epson Corp | 光ディスクおよび光ディスクの製造方法 |
| US5959960A (en) * | 1996-09-27 | 1999-09-28 | Eastman Kodak Company | Method of providing a range of conformalities for optical recording layers |
| GB9903550D0 (en) * | 1999-02-16 | 1999-04-07 | Plasmon Ltd | Forming optical recording layers |
| JP2001344812A (ja) * | 2000-06-02 | 2001-12-14 | Fuji Photo Film Co Ltd | 光情報記録媒体 |
| MXPA04006947A (es) * | 2002-01-18 | 2004-12-06 | Koninkl Philips Electronics Nv | Medio optico de almacenamiento de datos y uso de ese medio. |
| JP2005190616A (ja) * | 2003-12-26 | 2005-07-14 | Taiyo Yuden Co Ltd | 光情報記録媒体 |
| DE602004004524T2 (de) | 2004-07-29 | 2007-11-08 | Clariant Finance (Bvi) Ltd., Road Town | Azoliganden auf der Basis von Aminoantipyrine und ihre Metallkomplexe zur Verwendung als optische Aufzeichnungsmedien |
| JP2008010129A (ja) * | 2006-06-30 | 2008-01-17 | Toshiba Corp | 情報記録媒体、及びディスク装置 |
| JP2008010107A (ja) * | 2006-06-30 | 2008-01-17 | Toshiba Corp | 情報記録媒体、及びディスク装置 |
| JP5408851B2 (ja) * | 2007-07-31 | 2014-02-05 | 太陽誘電株式会社 | 光情報記録媒体 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359750A (en) * | 1981-04-30 | 1982-11-16 | Eastman Kodak Company | Optical disc structure |
| JPH0823941B2 (ja) * | 1988-11-08 | 1996-03-06 | パイオニア株式会社 | 光学式情報記録担体及びその製造方法 |
| DE69033550T2 (de) * | 1989-03-03 | 2001-01-18 | Tdk Corp., Tokio/Tokyo | Medium für optische Datenspeicherung |
| MY105953A (en) * | 1989-07-24 | 1995-02-28 | Taiyo Yuden Kk | Optical information recording medium and recording method. |
| US5274623A (en) * | 1990-07-19 | 1993-12-28 | Fuji Photo Film Co., Ltd. | Information recording medium having high modulation degree |
| US5213859A (en) * | 1990-12-21 | 1993-05-25 | Tdk Corporation | Optical recording disk |
-
1992
- 1992-04-09 CA CA002065653A patent/CA2065653A1/en not_active Abandoned
- 1992-04-12 DE DE69220609T patent/DE69220609T2/de not_active Expired - Fee Related
- 1992-04-12 EP EP92106324A patent/EP0509423B1/en not_active Expired - Lifetime
- 1992-04-12 SG SG1996005127A patent/SG52484A1/en unknown
- 1992-04-13 TW TW081102866A patent/TW245798B/zh active
- 1992-04-15 KR KR1019920006279A patent/KR950001877B1/ko not_active Expired - Fee Related
-
1994
- 1994-04-18 US US08/229,063 patent/US5369321A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0509423A1 (en) | 1992-10-21 |
| KR950001877B1 (ko) | 1995-03-04 |
| CA2065653A1 (en) | 1992-10-17 |
| US5369321A (en) | 1994-11-29 |
| DE69220609D1 (de) | 1997-08-07 |
| TW245798B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-04-21 |
| EP0509423B1 (en) | 1997-07-02 |
| DE69220609T2 (de) | 1998-01-08 |
| KR920020429A (ko) | 1992-11-21 |
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