TW200735071A - Optical recording and reproducing apparatus, optical head, optical recording and reproducing method, and skew detection method - Google Patents
Optical recording and reproducing apparatus, optical head, optical recording and reproducing method, and skew detection methodInfo
- Publication number
- TW200735071A TW200735071A TW095115590A TW95115590A TW200735071A TW 200735071 A TW200735071 A TW 200735071A TW 095115590 A TW095115590 A TW 095115590A TW 95115590 A TW95115590 A TW 95115590A TW 200735071 A TW200735071 A TW 200735071A
- Authority
- TW
- Taiwan
- Prior art keywords
- optical recording
- skew
- reproducing
- light
- unit
- 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
- G11B7/08—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
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
- G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
-
- 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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- 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
- G11B7/0908—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 for focusing only
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141399 | 2005-05-13 | ||
JP2006109105A JP2006344351A (ja) | 2005-05-13 | 2006-04-11 | 光記録再生装置、光学ヘッド、光記録再生方法及びスキュー検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200735071A true TW200735071A (en) | 2007-09-16 |
TWI320178B TWI320178B (zh) | 2010-02-01 |
Family
ID=36699212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095115590A TW200735071A (en) | 2005-05-13 | 2006-05-02 | Optical recording and reproducing apparatus, optical head, optical recording and reproducing method, and skew detection method |
Country Status (6)
Country | Link |
---|---|
US (1) | US7462855B2 (zh) |
EP (1) | EP1724771B1 (zh) |
JP (1) | JP2006344351A (zh) |
KR (1) | KR20060117213A (zh) |
DE (1) | DE602006004393D1 (zh) |
TW (1) | TW200735071A (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005259329A (ja) * | 2004-02-12 | 2005-09-22 | Sony Corp | チルト制御方法及び光ディスク装置。 |
US8737178B2 (en) * | 2006-09-05 | 2014-05-27 | Seagate Technology Llc | Alignment feature for near-field transducers |
JPWO2008114406A1 (ja) * | 2007-03-20 | 2010-07-01 | パイオニア株式会社 | 光ピックアップ、及び再生装置 |
JP2009070467A (ja) * | 2007-09-12 | 2009-04-02 | Sony Corp | 光学ピックアップ装置、光記録再生装置及びギャップの制御方法 |
JP2009158007A (ja) | 2007-12-26 | 2009-07-16 | Sony Corp | 光学ピックアップ装置、光記録再生装置及びギャップ制御方法 |
JP2010033688A (ja) | 2008-02-28 | 2010-02-12 | Sony Corp | 光学ピックアップ装置及び記録再生装置 |
EP2500904A1 (en) * | 2008-03-18 | 2012-09-19 | Panasonic Corporation | Optical recording medium |
KR100958588B1 (ko) * | 2008-05-22 | 2010-05-18 | 삼성전자주식회사 | 근접장 광디스크 구동기에서 갭 풀인 방법 및 그와 같은기능을 갖는 광디스크 구동 장치 |
US8040774B2 (en) | 2008-07-10 | 2011-10-18 | Panasonic Corporation | Optical disk device and tilt correction method for optical disk device |
KR20100068865A (ko) * | 2008-12-15 | 2010-06-24 | 삼성전자주식회사 | 광픽업용 액츄에이터 및 광 기록/재생 장치 |
CN102097111B (zh) * | 2009-12-15 | 2012-12-19 | 建兴电子科技股份有限公司 | 近场光盘机的倾斜控制方法 |
JP5624116B2 (ja) | 2010-02-26 | 2014-11-12 | パナソニック株式会社 | 光学的情報再生装置、光学的情報記録装置、光学的情報再生方法及び光学的情報記録方法 |
NL2006458A (en) | 2010-05-05 | 2011-11-08 | Asml Netherlands Bv | Lithographic apparatus and device manufacturing method. |
JPWO2012063484A1 (ja) | 2010-11-10 | 2014-05-12 | パナソニック株式会社 | 光ピックアップ、傾き角度検出方法、光情報装置及び情報処理装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2866160B2 (ja) | 1990-07-19 | 1999-03-08 | パイオニア株式会社 | 光学式ディスクプレーヤ |
US5125750A (en) | 1991-03-14 | 1992-06-30 | The Board Of Trustees Of The Leland Stanford Junior University | Optical recording system employing a solid immersion lens |
JPH07272299A (ja) * | 1994-03-31 | 1995-10-20 | Nippon Columbia Co Ltd | 光ディスクの傾き検出方法および傾き検出機能を有する光学ヘッド |
TW440818B (en) * | 1999-06-05 | 2001-06-16 | Ind Tech Res Inst | Device and method for obtaining and calibrating compact disk's tilt error signals |
JP2002117570A (ja) * | 2000-10-03 | 2002-04-19 | Fujitsu Ltd | 光記録媒体処理装置 |
KR100882306B1 (ko) * | 2001-08-31 | 2009-02-10 | 소니 가부시끼 가이샤 | 광학픽업장치 및 기록재생장치 |
KR20030056573A (ko) * | 2001-12-28 | 2003-07-04 | 한국전자통신연구원 | 고체 결상 렌즈의 경사각 측정 장치 |
US7342869B2 (en) * | 2002-07-08 | 2008-03-11 | Sony Corporation | Optical-recording medium playback apparatus and optical-recording medium, including flying optical head features |
US7002886B2 (en) * | 2002-11-22 | 2006-02-21 | Industrial Technology Research Institute | SIL near-field flying head structure to control gap between disc and SIL with three sensor points in front of lens holder |
CN101006500A (zh) * | 2004-08-20 | 2007-07-25 | 皇家飞利浦电子股份有限公司 | 光学扫描设备 |
-
2006
- 2006-04-11 JP JP2006109105A patent/JP2006344351A/ja active Pending
- 2006-05-01 US US11/414,378 patent/US7462855B2/en not_active Expired - Fee Related
- 2006-05-02 TW TW095115590A patent/TW200735071A/zh not_active IP Right Cessation
- 2006-05-10 KR KR1020060041837A patent/KR20060117213A/ko not_active Application Discontinuation
- 2006-05-10 EP EP06113783A patent/EP1724771B1/en not_active Expired - Fee Related
- 2006-05-10 DE DE602006004393T patent/DE602006004393D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE602006004393D1 (de) | 2009-02-05 |
EP1724771B1 (en) | 2008-12-24 |
US20060255247A1 (en) | 2006-11-16 |
US7462855B2 (en) | 2008-12-09 |
KR20060117213A (ko) | 2006-11-16 |
JP2006344351A (ja) | 2006-12-21 |
EP1724771A1 (en) | 2006-11-22 |
TWI320178B (zh) | 2010-02-01 |
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Legal Events
Date | Code | Title | Description |
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MM4A | Annulment or lapse of patent due to non-payment of fees |