IL121537A0 - Method and devices for fluorescent optical memory reading - Google Patents
Method and devices for fluorescent optical memory readingInfo
- Publication number
- IL121537A0 IL121537A0 IL12153797A IL12153797A IL121537A0 IL 121537 A0 IL121537 A0 IL 121537A0 IL 12153797 A IL12153797 A IL 12153797A IL 12153797 A IL12153797 A IL 12153797A IL 121537 A0 IL121537 A0 IL 121537A0
- Authority
- IL
- Israel
- Prior art keywords
- devices
- optical memory
- memory reading
- fluorescent optical
- fluorescent
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1367—Stepped phase plates
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL12153797A IL121537A0 (en) | 1997-08-13 | 1997-08-13 | Method and devices for fluorescent optical memory reading |
AU86444/98A AU8644498A (en) | 1997-08-13 | 1998-08-12 | Reading/recording method and apparatus for three-dimensional information carrier |
PCT/IL1998/000375 WO1999009551A1 (en) | 1997-08-13 | 1998-08-12 | Reading/recording method and apparatus for three-dimensional information carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL12153797A IL121537A0 (en) | 1997-08-13 | 1997-08-13 | Method and devices for fluorescent optical memory reading |
Publications (1)
Publication Number | Publication Date |
---|---|
IL121537A0 true IL121537A0 (en) | 1998-02-08 |
Family
ID=11070499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12153797A IL121537A0 (en) | 1997-08-13 | 1997-08-13 | Method and devices for fluorescent optical memory reading |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU8644498A (en) |
IL (1) | IL121537A0 (en) |
WO (1) | WO1999009551A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL134358A0 (en) * | 2000-02-03 | 2001-04-30 | C3D Inc | Method and apparatus for reading of flourescent multilayer optical card |
KR102146842B1 (en) | 2011-06-09 | 2020-08-24 | 케이스 웨스턴 리저브 유니버시티 | Optical information storage medium |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090031A (en) * | 1974-10-21 | 1978-05-16 | Eli S. Jacobs | Multi-layered opitcal data records and playback apparatus |
JPS60236119A (en) * | 1984-05-09 | 1985-11-22 | Toshiba Corp | Optical information recording and reproducing device |
JP2904434B2 (en) * | 1988-08-12 | 1999-06-14 | パイオニア株式会社 | Optical information recording medium and reproducing apparatus therefor |
US5251198A (en) * | 1992-05-29 | 1993-10-05 | Strickler James H | Reading device for multi-layered optical information carrier |
US5559784A (en) * | 1993-03-26 | 1996-09-24 | Fuji Xerox Co., Ltd. | Multi-layer optical information detection by two laser beam and optical multilayer recording medium |
-
1997
- 1997-08-13 IL IL12153797A patent/IL121537A0/en unknown
-
1998
- 1998-08-12 AU AU86444/98A patent/AU8644498A/en not_active Abandoned
- 1998-08-12 WO PCT/IL1998/000375 patent/WO1999009551A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AU8644498A (en) | 1999-03-08 |
WO1999009551A1 (en) | 1999-02-25 |
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