ATE391989T1 - Optischer abtastkopf, und optisches system mit einem solchen kopf - Google Patents
Optischer abtastkopf, und optisches system mit einem solchen kopfInfo
- Publication number
- ATE391989T1 ATE391989T1 AT04728407T AT04728407T ATE391989T1 AT E391989 T1 ATE391989 T1 AT E391989T1 AT 04728407 T AT04728407 T AT 04728407T AT 04728407 T AT04728407 T AT 04728407T AT E391989 T1 ATE391989 T1 AT E391989T1
- Authority
- AT
- Austria
- Prior art keywords
- head
- optical
- information recording
- diffraction element
- polarization
- 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
- G11B7/12—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
- G11B7/125—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
- 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)
- Optical Head (AREA)
- Magnetic Heads (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003117027A JP2004326858A (ja) | 2003-04-22 | 2003-04-22 | 光ピックアップ装置及び光ピックアップ装置用光学系 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE391989T1 true ATE391989T1 (de) | 2008-04-15 |
Family
ID=33296281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04728407T ATE391989T1 (de) | 2003-04-22 | 2004-04-20 | Optischer abtastkopf, und optisches system mit einem solchen kopf |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20040213135A1 (de) |
| EP (1) | EP1616327B1 (de) |
| JP (1) | JP2004326858A (de) |
| KR (1) | KR20060003031A (de) |
| CN (1) | CN1777938A (de) |
| AT (1) | ATE391989T1 (de) |
| DE (1) | DE602004012989D1 (de) |
| WO (1) | WO2004095443A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1734519A4 (de) * | 2004-04-08 | 2008-08-06 | Konica Minolta Opto Inc | Multifokal-objektlinse, optische erfassungseinrichtung und optische informationsaufzeichnungs-/-wiedergabeeinrichtung |
| WO2005119668A1 (ja) * | 2004-06-03 | 2005-12-15 | Konica Minolta Opto, Inc. | 対物レンズ及び光ピックアップ装置 |
| JP4437731B2 (ja) * | 2004-10-08 | 2010-03-24 | フジノン株式会社 | 光ピックアップ光学系およびこれを用いた光ピックアップ装置 |
| JP4529176B2 (ja) * | 2005-02-02 | 2010-08-25 | コニカミノルタオプト株式会社 | 光ピックアップ装置 |
| JP4229924B2 (ja) * | 2005-04-25 | 2009-02-25 | パナソニック株式会社 | 光ピックアップ装置 |
| US7352517B2 (en) * | 2005-05-09 | 2008-04-01 | Konica Minolta Opto, Inc. | Optical pickup apparatus |
| KR100737859B1 (ko) * | 2005-06-07 | 2007-07-12 | 삼성전자주식회사 | 광 기록/재생장치 |
| JP4587892B2 (ja) | 2005-07-01 | 2010-11-24 | 三洋電機株式会社 | レーザー集光装置、光ピックアップ装置、光ディスク記録再生装置 |
| DE102006031807A1 (de) * | 2005-07-12 | 2007-01-18 | Carl Zeiss Smt Ag | Beleuchtungseinrichtung einer mikrolithographischen Projektionsbelichtungsanlage, sowie Depolarisator |
| JP2007042154A (ja) * | 2005-07-29 | 2007-02-15 | Fujinon Corp | 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置 |
| KR100803592B1 (ko) | 2005-09-03 | 2008-02-19 | 삼성전자주식회사 | 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기 |
| WO2007091184A1 (en) * | 2006-02-06 | 2007-08-16 | Koninklijke Philips Electronics N.V. | Optical pick-up unit for use in a multi-disc optical player |
| KR102527672B1 (ko) | 2018-04-06 | 2023-04-28 | 에이에스엠엘 네델란즈 비.브이. | 비선형 광학계를 갖는 검사 장치 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0452793B1 (de) * | 1990-04-12 | 1998-01-28 | Matsushita Electric Industrial Co., Ltd. | Optischer Kopf mit hologrammverbundener Objektivlinse |
| WO1998019303A1 (fr) * | 1996-10-31 | 1998-05-07 | Sanyo Electric Co., Ltd. | Dispositif de lecture optique |
| JP3653923B2 (ja) * | 1997-03-19 | 2005-06-02 | ソニー株式会社 | 記録再生装置および方法 |
| DE60034826T2 (de) * | 1999-01-22 | 2008-01-31 | Konica Minolta Opto, Inc., Hachioji | Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe |
| EP1477146B1 (de) * | 1999-04-26 | 2009-08-26 | Glaukos Corporation | Shunteinrichtung zur Glaukombehandlung |
| CN1221956C (zh) * | 1999-11-18 | 2005-10-05 | 柯尼卡株式会社 | 光拾取装置及物镜 |
| US6533768B1 (en) * | 2000-04-14 | 2003-03-18 | The Regents Of The University Of California | Device for glaucoma treatment and methods thereof |
| US6699211B2 (en) * | 2000-08-22 | 2004-03-02 | James A. Savage | Method and apparatus for treatment of glaucoma |
| US6873590B2 (en) * | 2001-03-09 | 2005-03-29 | Pentax Corporation | Objective lens for optical pick-up |
| KR100828246B1 (ko) * | 2001-09-20 | 2008-05-07 | 엘지전자 주식회사 | 홀로그램 소자 및 그 홀로그램 소자를 이용한 광픽업 장치 |
| TWI239520B (en) * | 2001-10-12 | 2005-09-11 | Konica Corp | Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith |
-
2003
- 2003-04-22 JP JP2003117027A patent/JP2004326858A/ja active Pending
-
2004
- 2004-04-19 US US10/827,052 patent/US20040213135A1/en not_active Abandoned
- 2004-04-20 WO PCT/JP2004/005634 patent/WO2004095443A1/en active IP Right Grant
- 2004-04-20 CN CNA200480010835XA patent/CN1777938A/zh active Pending
- 2004-04-20 EP EP04728407A patent/EP1616327B1/de not_active Expired - Lifetime
- 2004-04-20 AT AT04728407T patent/ATE391989T1/de not_active IP Right Cessation
- 2004-04-20 DE DE602004012989T patent/DE602004012989D1/de not_active Expired - Lifetime
- 2004-04-20 KR KR1020057019861A patent/KR20060003031A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060003031A (ko) | 2006-01-09 |
| CN1777938A (zh) | 2006-05-24 |
| WO2004095443A1 (en) | 2004-11-04 |
| EP1616327B1 (de) | 2008-04-09 |
| DE602004012989D1 (de) | 2008-05-21 |
| EP1616327A1 (de) | 2006-01-18 |
| US20040213135A1 (en) | 2004-10-28 |
| JP2004326858A (ja) | 2004-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |