DE60300289D1 - Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät - Google Patents
Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/WiedergabegerätInfo
- Publication number
- DE60300289D1 DE60300289D1 DE60300289T DE60300289T DE60300289D1 DE 60300289 D1 DE60300289 D1 DE 60300289D1 DE 60300289 T DE60300289 T DE 60300289T DE 60300289 T DE60300289 T DE 60300289T DE 60300289 D1 DE60300289 D1 DE 60300289D1
- Authority
- DE
- Germany
- Prior art keywords
- objective lens
- lens
- recording
- optical scanning
- scanning device
- 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 - Fee Related
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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- 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
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002184249A JP2004029288A (ja) | 2002-06-25 | 2002-06-25 | 対物レンズ、光ピックアップ装置及び記録再生装置 |
JP2002184249 | 2002-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60300289D1 true DE60300289D1 (de) | 2005-03-03 |
DE60300289T2 DE60300289T2 (de) | 2005-12-22 |
Family
ID=29717576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60300289T Expired - Fee Related DE60300289T2 (de) | 2002-06-25 | 2003-06-20 | Objektivlinse für optisches Abtastgerät und Aufzeichnungs-/Wiedergabegerät |
Country Status (8)
Country | Link |
---|---|
US (1) | US7079473B2 (de) |
EP (1) | EP1376186B1 (de) |
JP (1) | JP2004029288A (de) |
KR (1) | KR20040002636A (de) |
CN (1) | CN1307455C (de) |
AT (1) | ATE288087T1 (de) |
DE (1) | DE60300289T2 (de) |
TW (1) | TW200401118A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5199835B2 (ja) * | 2008-11-04 | 2013-05-15 | Hoya株式会社 | 光情報記録再生装置用対物レンズ、および光情報記録再生装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3932578B2 (ja) | 1996-10-24 | 2007-06-20 | ソニー株式会社 | 対物レンズ及び光学ピックアップ装置 |
JP3608333B2 (ja) * | 1997-03-06 | 2005-01-12 | ソニー株式会社 | 光学ピックアップ及び光学ピックアップ用対物レンズの組み立て方法 |
JP4010040B2 (ja) * | 1997-12-25 | 2007-11-21 | ソニー株式会社 | 光学ヘッド並びに記録及び/又は再生装置 |
JP4364328B2 (ja) * | 1998-12-17 | 2009-11-18 | フジノン株式会社 | 高密度光記録媒体用対物レンズ |
JP3770367B2 (ja) * | 1999-05-11 | 2006-04-26 | シャープ株式会社 | 光ピックアップ装置 |
US6898168B2 (en) * | 2000-05-12 | 2005-05-24 | Konica Corporation | Optical pick-up apparatus |
US6590717B2 (en) * | 2000-09-26 | 2003-07-08 | Matsushita Electric Industrial Co., Ltd. | Optical system for optical disk, optical head unit for optical disk, and optical drive device |
-
2002
- 2002-06-25 JP JP2002184249A patent/JP2004029288A/ja active Pending
-
2003
- 2003-06-18 TW TW092116554A patent/TW200401118A/zh unknown
- 2003-06-20 US US10/465,849 patent/US7079473B2/en not_active Expired - Fee Related
- 2003-06-20 CN CNB031494056A patent/CN1307455C/zh not_active Expired - Fee Related
- 2003-06-20 AT AT03253903T patent/ATE288087T1/de not_active IP Right Cessation
- 2003-06-20 EP EP03253903A patent/EP1376186B1/de not_active Expired - Lifetime
- 2003-06-20 DE DE60300289T patent/DE60300289T2/de not_active Expired - Fee Related
- 2003-06-20 KR KR1020030040090A patent/KR20040002636A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20030235138A1 (en) | 2003-12-25 |
TW200401118A (en) | 2004-01-16 |
KR20040002636A (ko) | 2004-01-07 |
CN1487325A (zh) | 2004-04-07 |
ATE288087T1 (de) | 2005-02-15 |
EP1376186A1 (de) | 2004-01-02 |
US7079473B2 (en) | 2006-07-18 |
DE60300289T2 (de) | 2005-12-22 |
EP1376186B1 (de) | 2005-01-26 |
CN1307455C (zh) | 2007-03-28 |
JP2004029288A (ja) | 2004-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |