ATE549717T1 - Objektivlinse und optischer aufnehmer mit der objektivlinse - Google Patents
Objektivlinse und optischer aufnehmer mit der objektivlinseInfo
- Publication number
- ATE549717T1 ATE549717T1 AT10172514T AT10172514T ATE549717T1 AT E549717 T1 ATE549717 T1 AT E549717T1 AT 10172514 T AT10172514 T AT 10172514T AT 10172514 T AT10172514 T AT 10172514T AT E549717 T1 ATE549717 T1 AT E549717T1
- Authority
- AT
- Austria
- Prior art keywords
- far
- field
- objective lens
- lens
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 9
- 238000007654 immersion Methods 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
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
- G11B7/1387—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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
-
- 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
- G11B7/1374—Objective lenses
-
- 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
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09305783A EP2290647A1 (en) | 2009-08-24 | 2009-08-24 | Objective lens and optical pickup comprising the objective lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE549717T1 true ATE549717T1 (de) | 2012-03-15 |
Family
ID=41338643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT10172514T ATE549717T1 (de) | 2009-08-24 | 2010-08-11 | Objektivlinse und optischer aufnehmer mit der objektivlinse |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8054734B2 (enExample) |
| EP (2) | EP2290647A1 (enExample) |
| JP (1) | JP5591626B2 (enExample) |
| KR (1) | KR20110020753A (enExample) |
| CN (1) | CN101996651B (enExample) |
| AT (1) | ATE549717T1 (enExample) |
| TW (1) | TWI500989B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807818B (zh) * | 2014-01-29 | 2017-12-15 | 西安交通大学 | 三维静态及动态显微检测系统及方法 |
| CN104808268B (zh) * | 2014-01-29 | 2017-03-29 | 西安交通大学 | 多焦点透镜及其加工设备、加工方法 |
| CN106471412B (zh) * | 2014-03-11 | 2020-04-21 | Dcg系统有限公司 | 自校准的悬浮固体浸没透镜端部 |
| JP7280804B2 (ja) * | 2019-10-24 | 2023-05-24 | 浜松ホトニクス株式会社 | 固浸レンズユニット及び半導体検査装置 |
| KR102679735B1 (ko) * | 2019-11-28 | 2024-07-11 | 주식회사 로투보 | 포커싱 렌즈 |
| CN112305702A (zh) * | 2020-11-26 | 2021-02-02 | 电子科技大学中山学院 | 一种便捷的多焦点光路系统 |
| CN112305703A (zh) * | 2020-11-26 | 2021-02-02 | 电子科技大学中山学院 | 一种焦距长的多焦点系统 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446097C (zh) * | 1996-03-08 | 2008-12-24 | 皇家菲利浦电子有限公司 | 物镜和采用该物镜的扫描设备 |
| JPH11259897A (ja) * | 1998-03-13 | 1999-09-24 | Ricoh Co Ltd | 光ピックアップ |
| ATE395695T1 (de) * | 2000-10-27 | 2008-05-15 | Koninkl Philips Electronics Nv | Optische abtastvorrichtung |
| JP2002184025A (ja) * | 2000-12-08 | 2002-06-28 | Minolta Co Ltd | 情報記録再生装置 |
| KR20050085348A (ko) * | 2002-12-04 | 2005-08-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 대물렌즈와 이 대물렌즈를 사용한 주사장치 |
| KR20060132750A (ko) | 2004-04-20 | 2006-12-21 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학 데이터 기억 시스템 및 광학 기록 및/또는 판독 방법 |
| EP1820187A1 (en) * | 2004-10-11 | 2007-08-22 | Koninklijke Philips Electronics N.V. | Near field optical lens-to-carrier approach. |
| ATE457515T1 (de) * | 2005-12-06 | 2010-02-15 | Koninkl Philips Electronics Nv | Luftspalt-servo für optische aufzeichnung |
| JP2008041219A (ja) * | 2006-08-09 | 2008-02-21 | Sony Corp | 光ディスク装置及びサーボ制御方法 |
| JP2008065931A (ja) * | 2006-09-08 | 2008-03-21 | Canon Inc | 対物レンズとｓｉｌの制御方法及び光ディスク装置 |
| WO2008048023A2 (en) * | 2006-10-16 | 2008-04-24 | Lg Electronics Inc. | Optical pickup unit, apparatus for recording/reproducing data, method for controlling the apparatus, control method, and recording medium |
| JP2008204562A (ja) * | 2007-02-21 | 2008-09-04 | Canon Inc | 光情報記録再生装置 |
| JP4891394B2 (ja) * | 2007-03-29 | 2012-03-07 | パイオニア株式会社 | 再生装置、及びギャップ制御方法 |
| JP2008310921A (ja) * | 2007-06-18 | 2008-12-25 | Canon Inc | 光情報記録再生装置 |
| JP4345859B2 (ja) * | 2007-09-12 | 2009-10-14 | ソニー株式会社 | 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 |
| JP2009093745A (ja) * | 2007-10-05 | 2009-04-30 | Sanyo Electric Co Ltd | 光ピックアップ装置、光ディスク装置、ギャップ調整装置およびギャップ調整方法 |
-
2009
- 2009-08-24 EP EP09305783A patent/EP2290647A1/en not_active Withdrawn
-
2010
- 2010-07-30 TW TW099125216A patent/TWI500989B/zh not_active IP Right Cessation
- 2010-08-11 AT AT10172514T patent/ATE549717T1/de active
- 2010-08-11 EP EP10172514A patent/EP2290648B1/en not_active Not-in-force
- 2010-08-20 CN CN201010260307.7A patent/CN101996651B/zh not_active Expired - Fee Related
- 2010-08-20 JP JP2010185410A patent/JP5591626B2/ja not_active Expired - Fee Related
- 2010-08-23 KR KR1020100081679A patent/KR20110020753A/ko not_active Withdrawn
- 2010-08-23 US US12/806,867 patent/US8054734B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP2290647A1 (en) | 2011-03-02 |
| TWI500989B (zh) | 2015-09-21 |
| CN101996651A (zh) | 2011-03-30 |
| EP2290648A1 (en) | 2011-03-02 |
| TW201109759A (en) | 2011-03-16 |
| KR20110020753A (ko) | 2011-03-03 |
| JP2011048896A (ja) | 2011-03-10 |
| US20110044154A1 (en) | 2011-02-24 |
| JP5591626B2 (ja) | 2014-09-17 |
| US8054734B2 (en) | 2011-11-08 |
| EP2290648B1 (en) | 2012-03-14 |
| CN101996651B (zh) | 2015-05-06 |
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