DE68921453D1 - Informationsaufzeichnungsträger. - Google Patents
Informationsaufzeichnungsträger.Info
- Publication number
- DE68921453D1 DE68921453D1 DE68921453T DE68921453T DE68921453D1 DE 68921453 D1 DE68921453 D1 DE 68921453D1 DE 68921453 T DE68921453 T DE 68921453T DE 68921453 T DE68921453 T DE 68921453T DE 68921453 D1 DE68921453 D1 DE 68921453D1
- Authority
- DE
- Germany
- Prior art keywords
- information recording
- recording media
- media
- information
- 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 - Fee Related
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
- G11B7/24073—Tracks
- G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0025—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cylinders or cylinder-like carriers or cylindrical sections or flat carriers loaded onto a cylindrical surface, e.g. truncated cones
-
- 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
- G11B7/0051—Reproducing involving phase depth effects
-
- 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
- G11B7/24003—Shapes of record carriers other than disc shape
- G11B7/24012—Optical cards
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33262988 | 1988-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921453D1 true DE68921453D1 (de) | 1995-04-06 |
DE68921453T2 DE68921453T2 (de) | 1995-07-13 |
Family
ID=18257093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921453T Expired - Fee Related DE68921453T2 (de) | 1988-12-28 | 1989-12-27 | Informationsaufzeichnungsträger. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5216665A (de) |
EP (1) | EP0376678B1 (de) |
DE (1) | DE68921453T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5274623A (en) * | 1990-07-19 | 1993-12-28 | Fuji Photo Film Co., Ltd. | Information recording medium having high modulation degree |
EP0578015B1 (de) * | 1992-06-17 | 1998-12-09 | Matsushita Electric Industrial Co., Ltd. | Optisches Informationsaufzeichnungsmedium |
US5406546A (en) * | 1992-10-05 | 1995-04-11 | Tdk Corporation | Magneto-optical disk |
EP0627734A1 (de) * | 1993-06-04 | 1994-12-07 | Canon Kabushiki Kaisha | Verfahren zur Herstellung eines optischen Aufzeichnungsmediums |
WO1995001703A1 (en) * | 1993-06-29 | 1995-01-12 | Cohen Jeffrey M | Selectively previewing combined audio and visual information |
US5602825A (en) * | 1994-01-19 | 1997-02-11 | Kabushiki Kaisha Toshiba | Optical disk and optical disk apparatus |
US5959963A (en) * | 1994-01-19 | 1999-09-28 | Kabushiki Kaisha Toshiba | Optical disk and optical disk apparatus |
USRE38643E1 (en) | 1994-01-19 | 2004-11-02 | Kabushiki Kaisha Toshiba | Optical disk having specified track pitch, and optical disk apparatus |
US5459712A (en) * | 1994-01-19 | 1995-10-17 | Kabushiki Kaisha Toshiba | Optical disk and optical disk apparatus where information is recorded having a specific track pitch and as a plurality of pit trains, each including a plurality of substantially trapezoidal pits |
US5500266A (en) * | 1994-03-10 | 1996-03-19 | Eastman Kodak Company | Spin-coating compensation for an optical storage medium with a substrate groove profile gradient |
US5776575A (en) * | 1994-04-27 | 1998-07-07 | Canon Kabushiki Kaisha | Information recording medium and process for production thereof |
TW305991B (de) * | 1994-07-25 | 1997-05-21 | Canon Kk | |
KR100230449B1 (ko) * | 1996-10-10 | 1999-11-15 | 윤종용 | 광기록매체 |
EP1039449B1 (de) * | 1999-03-15 | 2006-07-05 | Fuji Photo Film Co., Ltd. | Optisches Informationsaufzeichnungsmedium |
US6212158B1 (en) * | 1999-06-01 | 2001-04-03 | Eastman Kodak Company | Hybrid optical disc construction |
JP2001184726A (ja) * | 1999-12-24 | 2001-07-06 | Sony Corp | 光記録媒体基板、光記録媒体、光記録媒体の製造方法および光記録再生方法 |
JP4147753B2 (ja) * | 2001-07-02 | 2008-09-10 | ソニー株式会社 | 光情報記録媒体、光情報記録媒体用原盤およびその製造方法 |
DE10145383A1 (de) * | 2001-09-14 | 2003-04-10 | Infineon Technologies Ag | Polyetherverbindungen zur temporären Verklebung von Chips und/oder Wafern |
JP2013144427A (ja) * | 2011-12-16 | 2013-07-25 | Nitto Denko Corp | 赤外線反射フィルム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2197495A5 (de) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
US3968326A (en) * | 1973-02-09 | 1976-07-06 | Rca Corporation | Trapezoidal smooth grooves for video disc |
NL7809227A (nl) * | 1978-09-11 | 1980-03-13 | Philips Nv | Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur. |
NL7810462A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur |
NL7810463A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur. |
NL7906576A (nl) * | 1979-09-03 | 1981-03-05 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor. |
US4578788A (en) * | 1983-06-02 | 1986-03-25 | International Business Machines Corporation | High performance optical storage medium with separate mechanical servo tracks embedded within the medium |
JPS60239947A (ja) * | 1984-05-15 | 1985-11-28 | Ricoh Co Ltd | 光学的情報記憶媒体 |
JPS6150236A (ja) * | 1984-08-18 | 1986-03-12 | Canon Inc | 磁気記録媒体の製造方法 |
NL8403817A (nl) * | 1984-12-17 | 1986-07-16 | Philips Nv | Optisch registratie element en methode voor het registreren van informatie. |
JPS62141661A (ja) * | 1985-12-16 | 1987-06-25 | Ricoh Co Ltd | 光情報記録媒体 |
US4972402A (en) * | 1986-11-20 | 1990-11-20 | Canon Kabushiki Kaisha | Optical card |
JP2578459B2 (ja) * | 1988-01-25 | 1997-02-05 | キヤノン株式会社 | 情報記録媒体、情報記録媒体用基板の製造方法及び情報記録媒体用基板の成形用型 |
-
1989
- 1989-12-27 EP EP89313588A patent/EP0376678B1/de not_active Expired - Lifetime
- 1989-12-27 DE DE68921453T patent/DE68921453T2/de not_active Expired - Fee Related
- 1989-12-28 US US07/458,365 patent/US5216665A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0376678A2 (de) | 1990-07-04 |
US5216665A (en) | 1993-06-01 |
EP0376678B1 (de) | 1995-03-01 |
EP0376678A3 (en) | 1990-10-10 |
DE68921453T2 (de) | 1995-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |