DE60136641D1 - Optisches abtastgerät - Google Patents
Optisches abtastgerätInfo
- Publication number
- DE60136641D1 DE60136641D1 DE60136641T DE60136641T DE60136641D1 DE 60136641 D1 DE60136641 D1 DE 60136641D1 DE 60136641 T DE60136641 T DE 60136641T DE 60136641 T DE60136641 T DE 60136641T DE 60136641 D1 DE60136641 D1 DE 60136641D1
- Authority
- DE
- Germany
- Prior art keywords
- optical scanner
- density
- vergence
- record carrier
- lens
- 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
- 230000003287 optical effect Effects 0.000 title abstract 2
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 210000001747 pupil Anatomy 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
- G11B7/1372—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
- G11B7/1372—Lenses
- G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
-
- 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
- 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)
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
- Microscoopes, Condenser (AREA)
- Holo Graphy (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00203492 | 2000-10-08 | ||
PCT/EP2001/011167 WO2002031823A1 (en) | 2000-10-08 | 2001-09-26 | Optical scanning device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60136641D1 true DE60136641D1 (de) | 2009-01-02 |
Family
ID=8172116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60136641T Expired - Lifetime DE60136641D1 (de) | 2000-10-08 | 2001-09-26 | Optisches abtastgerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US6683838B2 (de) |
EP (1) | EP1327244B1 (de) |
JP (1) | JP2004511875A (de) |
KR (1) | KR100790419B1 (de) |
AT (1) | ATE414977T1 (de) |
DE (1) | DE60136641D1 (de) |
WO (1) | WO2002031823A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW561466B (en) * | 2001-12-07 | 2003-11-11 | Ind Tech Res Inst | Multi-wavelength optical pickup |
US6961291B2 (en) * | 2002-04-03 | 2005-11-01 | Plasmon Lms, Inc. | System for enhanced astigmatic focus signal detection |
AU2003285692A1 (en) * | 2002-12-30 | 2004-07-22 | Koninklijke Philips Electronics N.V. | Disc drive for an optical scanning device |
EP1471514A3 (de) | 2003-04-22 | 2006-10-04 | Konica Minolta Opto, Inc. | Optische Abtastvorrichtung und Vorrichtung zur optischen Aufnahme und Wiedergabe von Information, Aufweitungslinse, Kopplungslinse und optisches Element zur Korrektur chromatischer Aberration |
US20080040737A1 (en) * | 2003-10-15 | 2008-02-14 | Arima Devices Corporation Trustnet Chambers | Reading/Writing Optical Device Having Temperature Compensation |
JP2008504644A (ja) * | 2004-07-02 | 2008-02-14 | アリマ デバイシズ コーポレイション | 記録及び再生に対する光学装置 |
EP2012315A1 (de) * | 2007-06-18 | 2009-01-07 | Deutsche Thomson OHG | Astigmatismen erzeugendes Element für eine Vorrichtung zum Lesen und/oder Schreiben auf optischen Aufzeichnungsmedien |
EP2065752A1 (de) * | 2007-11-23 | 2009-06-03 | Koninklijke Philips Electronics N.V. | Optisches Beleuchtungsgerät zum Beleuchten einer Probe mit einem Linienstrahl |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823334A (en) * | 1985-11-27 | 1989-04-18 | Matsushita Electric Industrial Co., Ltd. | Optical head with easily adjustable collimator having two lens components |
EP0605923B1 (de) * | 1993-01-04 | 1997-07-30 | Koninklijke Philips Electronics N.V. | Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element |
WO1997033277A1 (en) * | 1996-03-08 | 1997-09-12 | Philips Electronics N.V. | Objective lens and scanning device using such an objective lens |
EP0996951A2 (de) * | 1998-05-13 | 2000-05-03 | Koninklijke Philips Electronics N.V. | Vorrichtung zur noptischen abtastung eines aufzeichnungsträgers |
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 |
JP2003506810A (ja) * | 1999-07-28 | 2003-02-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光学走査装置 |
-
2001
- 2001-09-26 AT AT01974304T patent/ATE414977T1/de not_active IP Right Cessation
- 2001-09-26 JP JP2002535121A patent/JP2004511875A/ja active Pending
- 2001-09-26 WO PCT/EP2001/011167 patent/WO2002031823A1/en active Application Filing
- 2001-09-26 KR KR1020027007268A patent/KR100790419B1/ko not_active IP Right Cessation
- 2001-09-26 DE DE60136641T patent/DE60136641D1/de not_active Expired - Lifetime
- 2001-09-26 EP EP01974304A patent/EP1327244B1/de not_active Expired - Lifetime
- 2001-10-02 US US09/969,010 patent/US6683838B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2004511875A (ja) | 2004-04-15 |
EP1327244B1 (de) | 2008-11-19 |
ATE414977T1 (de) | 2008-12-15 |
WO2002031823A1 (en) | 2002-04-18 |
KR20020071881A (ko) | 2002-09-13 |
EP1327244A1 (de) | 2003-07-16 |
US6683838B2 (en) | 2004-01-27 |
US20020060975A1 (en) | 2002-05-23 |
KR100790419B1 (ko) | 2008-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |