JP2005508559A - 多層光ディスクへの書き込み/多層光ディスクからの読み取りのための光読み取り装置 - Google Patents
多層光ディスクへの書き込み/多層光ディスクからの読み取りのための光読み取り装置 Download PDFInfo
- Publication number
- JP2005508559A JP2005508559A JP2003507811A JP2003507811A JP2005508559A JP 2005508559 A JP2005508559 A JP 2005508559A JP 2003507811 A JP2003507811 A JP 2003507811A JP 2003507811 A JP2003507811 A JP 2003507811A JP 2005508559 A JP2005508559 A JP 2005508559A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- reading
- piezoelectric ceramic
- writing
- spherical aberration
- 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.)
- Pending
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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
- G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
-
- 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
- G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30005501P | 2001-06-25 | 2001-06-25 | |
PCT/US2002/019979 WO2003001512A2 (en) | 2001-06-25 | 2002-06-25 | Optical reading device for writing/reading on/from multi-layer optical disks |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005508559A true JP2005508559A (ja) | 2005-03-31 |
Family
ID=23157510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003507811A Pending JP2005508559A (ja) | 2001-06-25 | 2002-06-25 | 多層光ディスクへの書き込み/多層光ディスクからの読み取りのための光読み取り装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1579429A2 (zh) |
JP (1) | JP2005508559A (zh) |
CN (1) | CN101366085A (zh) |
AU (1) | AU2002315429A1 (zh) |
WO (1) | WO2003001512A2 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102146842B1 (ko) | 2011-06-09 | 2020-08-24 | 케이스 웨스턴 리저브 유니버시티 | 광학적 정보 스토리지 매체 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835458A (en) * | 1994-09-09 | 1998-11-10 | Gemfire Corporation | Solid state optical data reader using an electric field for routing control |
US6044056A (en) * | 1996-07-30 | 2000-03-28 | Seagate Technology, Inc. | Flying optical head with dynamic mirror |
US6246650B1 (en) * | 1996-12-18 | 2001-06-12 | Sony Corporation | Method and apparatus for high speed data reproduction |
-
2002
- 2002-06-25 WO PCT/US2002/019979 patent/WO2003001512A2/en not_active Application Discontinuation
- 2002-06-25 JP JP2003507811A patent/JP2005508559A/ja active Pending
- 2002-06-25 AU AU2002315429A patent/AU2002315429A1/en not_active Abandoned
- 2002-06-25 EP EP02742281A patent/EP1579429A2/en not_active Withdrawn
- 2002-06-25 CN CNA028161602A patent/CN101366085A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1579429A2 (en) | 2005-09-28 |
WO2003001512A3 (en) | 2008-10-23 |
CN101366085A (zh) | 2009-02-11 |
AU2002315429A8 (en) | 2008-11-20 |
WO2003001512A2 (en) | 2003-01-03 |
AU2002315429A1 (en) | 2003-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050616 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080620 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080624 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20081125 |