DE69424837T2 - Löschbare optische aufzeichnungsträger - Google Patents
Löschbare optische aufzeichnungsträgerInfo
- Publication number
- DE69424837T2 DE69424837T2 DE69424837T DE69424837T DE69424837T2 DE 69424837 T2 DE69424837 T2 DE 69424837T2 DE 69424837 T DE69424837 T DE 69424837T DE 69424837 T DE69424837 T DE 69424837T DE 69424837 T2 DE69424837 T2 DE 69424837T2
- Authority
- DE
- Germany
- Prior art keywords
- deletable
- optical record
- record carriers
- carriers
- optical
- 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
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
- G11B7/242—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
- G11B7/245—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 a polymeric component
-
- 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
- G11B7/0045—Recording
- G11B7/00452—Recording involving bubble or bump forming
-
- 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
- G11B7/0055—Erasing
- G11B7/00557—Erasing involving phase-change media
-
- 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
- G11B7/241—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/038,246 US5392272A (en) | 1993-03-29 | 1993-03-29 | Single erasable optical recording layer having both retention and expansion characteristics |
PCT/KR1994/000011 WO1994023430A1 (en) | 1993-03-29 | 1994-02-18 | Erasable optical media |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69424837D1 DE69424837D1 (de) | 2000-07-13 |
DE69424837T2 true DE69424837T2 (de) | 2000-11-02 |
Family
ID=21898844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69424837T Expired - Lifetime DE69424837T2 (de) | 1993-03-29 | 1994-02-18 | Löschbare optische aufzeichnungsträger |
Country Status (7)
Country | Link |
---|---|
US (1) | US5392272A (de) |
EP (1) | EP0642692B1 (de) |
JP (1) | JPH07507898A (de) |
KR (1) | KR100234244B1 (de) |
CA (1) | CA2129232A1 (de) |
DE (1) | DE69424837T2 (de) |
WO (1) | WO1994023430A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6627842B1 (en) * | 1998-08-14 | 2003-09-30 | The Penn State Research Foundation | Micro-protrusion arrays fabricated by e-beam exposure |
US6873560B2 (en) * | 2002-09-23 | 2005-03-29 | Paul D. Pavlichek | Optical memory device |
US20070020560A1 (en) * | 2005-05-27 | 2007-01-25 | Larson Lief C | Limited play optical discs |
US20090075015A1 (en) * | 2007-07-24 | 2009-03-19 | Detty Michael R | Limited Play Optical Discs |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5331106A (en) * | 1976-09-03 | 1978-03-24 | Hitachi Ltd | Information recording member |
US4264986A (en) * | 1979-03-12 | 1981-04-28 | Willis Craig I | Information-recording process & apparatus |
FR2475270A1 (fr) * | 1980-02-01 | 1981-08-07 | Thomson Csf | Structure de memoire reversible, a inscription thermo-optique et lecture optique, et procede d'inscription et d'effacement de cette structure |
US4852075A (en) * | 1983-08-22 | 1989-07-25 | Optical Data, Inc. | Erasable optical data storage medium and method and apparatus for recording data on the medium |
US4719615A (en) * | 1983-08-22 | 1988-01-12 | Optical Data, Inc. | Erasable optical data storage medium |
US4651172A (en) * | 1984-11-29 | 1987-03-17 | Hitachi, Ltd. | Information recording medium |
US4950520A (en) * | 1985-12-27 | 1990-08-21 | Pioneer Electronic Corporation | Optical recording medium and method manufacturing thereof |
US4901304A (en) * | 1986-10-08 | 1990-02-13 | Optical Data, Inc. | Erasable optical data storage medium having a zoned integral recording layer |
US4825430A (en) * | 1986-12-19 | 1989-04-25 | Optical Data, Inc. | Erasable optical data storage medium having an embedded servo track and a subsurface recording interface |
JPS63187430A (ja) * | 1987-01-30 | 1988-08-03 | Toshiba Corp | 情報記録媒体 |
US4977064A (en) * | 1987-05-01 | 1990-12-11 | Mitsui Toatsu Chemicals, Incorporated | Optical recording medium and process for fabricating the same |
DE3885937T2 (de) * | 1987-05-30 | 1994-06-01 | Kuraray Co | Medium für optische Aufzeichnung und das Medium verwendendes Aufzeichnungsverfahren. |
JPS6488936A (en) * | 1987-09-29 | 1989-04-03 | Dainippon Ink & Chemicals | Optical recording medium |
US4896314A (en) * | 1988-04-19 | 1990-01-23 | Optical Data, Inc. | Bump-forming media including thin intermediate reflective layer and methods for writing, reading, and erasing same |
NL8801327A (nl) * | 1988-05-24 | 1989-12-18 | Philips Nv | Methode voor het optisch aftasten van een informatievlak en optische registratiedragers en aftastinrichtingen geschikt voor toepassing van de methode. |
JP2525647B2 (ja) * | 1988-07-19 | 1996-08-21 | 富士写真フイルム株式会社 | 光記録媒体 |
US4978578A (en) * | 1988-07-27 | 1990-12-18 | Daicel Chemical Industries, Ltd. | Optical disk of polycarbonate |
JPH02189738A (ja) * | 1989-01-18 | 1990-07-25 | Ricoh Co Ltd | 光記録媒体 |
JPH0827983B2 (ja) * | 1989-05-02 | 1996-03-21 | 太陽誘電株式会社 | 光情報記録媒体 |
US5079758A (en) * | 1989-09-28 | 1992-01-07 | Tandy Corporation | Single polymer layer recordable/erasable optical media |
US5118541A (en) * | 1989-06-19 | 1992-06-02 | Matsushita Electric Industrial Co., Ltd. | Erasable optical disk media and method of recording/erasing the same |
WO1991005343A1 (en) * | 1989-09-28 | 1991-04-18 | Tandy Corporation | Single retention/reflective layer recordable/erasable optical media |
US4975358A (en) * | 1989-10-17 | 1990-12-04 | The United States Of America As Represented By The Secretary Of The Navy | Immediate write, read, and erase optical storage medium and method of marking and erasing |
-
1993
- 1993-03-29 US US08/038,246 patent/US5392272A/en not_active Expired - Lifetime
-
1994
- 1994-02-18 KR KR1019940704186A patent/KR100234244B1/ko not_active IP Right Cessation
- 1994-02-18 EP EP94907712A patent/EP0642692B1/de not_active Expired - Lifetime
- 1994-02-18 JP JP6521937A patent/JPH07507898A/ja active Pending
- 1994-02-18 WO PCT/KR1994/000011 patent/WO1994023430A1/en active IP Right Grant
- 1994-02-18 DE DE69424837T patent/DE69424837T2/de not_active Expired - Lifetime
- 1994-02-18 CA CA002129232A patent/CA2129232A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE69424837D1 (de) | 2000-07-13 |
WO1994023430A1 (en) | 1994-10-13 |
EP0642692A1 (de) | 1995-03-15 |
US5392272A (en) | 1995-02-21 |
KR950701758A (ko) | 1995-04-28 |
EP0642692B1 (de) | 2000-06-07 |
CA2129232A1 (en) | 1994-09-30 |
JPH07507898A (ja) | 1995-08-31 |
KR100234244B1 (ko) | 1999-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: QIANG TECHNOLOGIES,LLC, WILMINGTON, DEL., US |