DE60313382D1 - Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät - Google Patents
Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerätInfo
- Publication number
- DE60313382D1 DE60313382D1 DE60313382T DE60313382T DE60313382D1 DE 60313382 D1 DE60313382 D1 DE 60313382D1 DE 60313382 T DE60313382 T DE 60313382T DE 60313382 T DE60313382 T DE 60313382T DE 60313382 D1 DE60313382 D1 DE 60313382D1
- Authority
- DE
- Germany
- Prior art keywords
- information recording
- lens element
- optical
- scanning device
- optical information
- 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 - Lifetime
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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- 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
- G11B7/1372—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
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002045979 | 2002-02-22 | ||
JP2002073988 | 2002-03-18 | ||
JP2002236196A JP4259067B2 (ja) | 2002-02-22 | 2002-08-14 | 光ピックアップ装置の対物光学素子、光ピックアップ装置及び光情報記録再生装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60313382D1 true DE60313382D1 (de) | 2007-06-06 |
Family
ID=27738924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60313382T Expired - Lifetime DE60313382D1 (de) | 2002-02-22 | 2003-02-19 | Objektivelement, optisches Abtastgerät und optisches Informationsaufzeichnungs/-wiedergabegerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US6856471B2 (de) |
EP (1) | EP1341165B1 (de) |
JP (1) | JP4259067B2 (de) |
KR (1) | KR20030069842A (de) |
CN (1) | CN100489972C (de) |
DE (1) | DE60313382D1 (de) |
TW (1) | TW200306549A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7184385B2 (en) * | 2002-09-27 | 2007-02-27 | Koninklijke Philips Electronics N.V. | Optical scanning device |
TWI266898B (en) * | 2002-10-31 | 2006-11-21 | Konica Minolta Holdings Inc | Objective optical element and optical pickup apparatus |
JP4148509B2 (ja) * | 2003-03-03 | 2008-09-10 | Hoya株式会社 | 光ディスク用対物レンズ |
US7313074B2 (en) | 2003-06-30 | 2007-12-25 | Ricoh Company, Ltd. | Objective lens, optical, pickup and optical information processing apparatus using the same |
WO2005098839A1 (ja) * | 2004-04-02 | 2005-10-20 | Konica Minolta Opto, Inc. | 対物レンズ及び光ピックアップ装置 |
JP2010153038A (ja) * | 2003-09-30 | 2010-07-08 | Hoya Corp | 対物レンズ |
JP2005129198A (ja) * | 2003-09-30 | 2005-05-19 | Pentax Corp | 対物レンズ |
DE10354780A1 (de) | 2003-11-21 | 2005-06-30 | Schott Ag | Refraktiv-diffraktive Hybridlinse, insbesondere zur Strahlformung von Hochleistungsdiodenlasern |
CN100399442C (zh) * | 2003-12-25 | 2008-07-02 | 柯尼卡美能达精密光学株式会社 | 物镜、光拾取装置以及光信息记录再生装置 |
JP2006012218A (ja) * | 2004-06-22 | 2006-01-12 | Konica Minolta Opto Inc | 集光光学素子及び光ピックアップ装置 |
CN100463061C (zh) * | 2004-07-21 | 2009-02-18 | 柯尼卡美能达精密光学株式会社 | 光拾取装置的组装方法以及光拾取装置 |
JP2006114081A (ja) * | 2004-10-12 | 2006-04-27 | Konica Minolta Opto Inc | 対物レンズ及び光ピックアップ装置 |
CN101128874B (zh) * | 2005-02-25 | 2012-09-26 | 松下电器产业株式会社 | 光学拾取装置及其中所使用的物方光学系统 |
JP2007066373A (ja) * | 2005-08-30 | 2007-03-15 | Hitachi Maxell Ltd | 対物レンズ、光ヘッド及び光学系並びに対物レンズの設計方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100234257B1 (ko) * | 1995-08-30 | 1999-12-15 | 윤종용 | 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법 |
JP4006032B2 (ja) * | 1995-12-28 | 2007-11-14 | 株式会社日立製作所 | 対物レンズおよび光ヘッド |
JP3529556B2 (ja) | 1996-07-18 | 2004-05-24 | パイオニア株式会社 | 光ピックアップにおけるコマ収差補正方法及び装置 |
EP0838812B1 (de) * | 1996-10-23 | 2003-04-09 | Konica Corporation | Verfahren zur Aufzeichnung und Wiedergabe eines optischen Aufzeichnungsträgers, Objektivlinse sowie Herstellungsmethode der Objektivlinse |
CN1214376C (zh) * | 1998-06-26 | 2005-08-10 | 宾得株式会社 | 光学拾像装置的物镜 |
JP2000231057A (ja) * | 1999-02-10 | 2000-08-22 | Konica Corp | 対物レンズ及び光ピックアップ装置 |
JP3911104B2 (ja) | 1999-11-30 | 2007-05-09 | ペンタックス株式会社 | 光情報記録再生装置の光学系 |
US6594222B2 (en) * | 1999-12-28 | 2003-07-15 | Pentax Corporation | Objective lens for optical pick-up |
JP3859416B2 (ja) | 2000-02-29 | 2006-12-20 | 株式会社日立製作所 | 対物レンズ、これを用いた光ヘッドおよび光ディスク装置 |
CN1287185C (zh) | 2000-10-06 | 2006-11-29 | 宾得株式会社 | 用于光学头的物镜、光学头以及光盘驱动器 |
US6597519B2 (en) * | 2001-04-26 | 2003-07-22 | Konica Corporation | Objective lens, optical pick-up apparatus and optical information recording reproducing apparatus |
-
2002
- 2002-08-14 JP JP2002236196A patent/JP4259067B2/ja not_active Expired - Fee Related
-
2003
- 2003-02-14 TW TW092103161A patent/TW200306549A/zh unknown
- 2003-02-18 CN CNB031037364A patent/CN100489972C/zh not_active Expired - Fee Related
- 2003-02-19 KR KR10-2003-0010238A patent/KR20030069842A/ko not_active Application Discontinuation
- 2003-02-19 DE DE60313382T patent/DE60313382D1/de not_active Expired - Lifetime
- 2003-02-19 EP EP03251003A patent/EP1341165B1/de not_active Expired - Fee Related
- 2003-02-19 US US10/368,784 patent/US6856471B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6856471B2 (en) | 2005-02-15 |
CN100489972C (zh) | 2009-05-20 |
JP2003344760A (ja) | 2003-12-03 |
EP1341165A2 (de) | 2003-09-03 |
EP1341165A3 (de) | 2004-06-09 |
EP1341165B1 (de) | 2007-04-25 |
TW200306549A (en) | 2003-11-16 |
CN1440028A (zh) | 2003-09-03 |
US20030174417A1 (en) | 2003-09-18 |
JP4259067B2 (ja) | 2009-04-30 |
KR20030069842A (ko) | 2003-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |