WO2003001270A1 - Objectif pour tete de lecture optique et tete de lecture utilisant cet objectif - Google Patents
Objectif pour tete de lecture optique et tete de lecture utilisant cet objectif Download PDFInfo
- Publication number
- WO2003001270A1 WO2003001270A1 PCT/JP2002/006246 JP0206246W WO03001270A1 WO 2003001270 A1 WO2003001270 A1 WO 2003001270A1 JP 0206246 W JP0206246 W JP 0206246W WO 03001270 A1 WO03001270 A1 WO 03001270A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- objective lens
- optical
- curvature
- radius
- aspherical
- 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
- G11B7/1372—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
- Optical Head (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/362,515 US6795254B2 (en) | 2001-06-25 | 2002-06-21 | Objective lens for optical pickup and optical pickup employing this objective lens |
KR10-2003-7002022A KR20030023751A (ko) | 2001-06-25 | 2002-06-21 | 광픽업용 대물렌즈 및 이 대물렌즈를 이용한 광픽업 |
JP2003507609A JP4273966B2 (ja) | 2001-06-25 | 2002-06-21 | 光ピックアップ用対物レンズ及びこの対物レンズを用いた光ピックアップ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001191447 | 2001-06-25 | ||
JP2001-191447 | 2001-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003001270A1 true WO2003001270A1 (fr) | 2003-01-03 |
Family
ID=19030068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/006246 WO2003001270A1 (fr) | 2001-06-25 | 2002-06-21 | Objectif pour tete de lecture optique et tete de lecture utilisant cet objectif |
Country Status (6)
Country | Link |
---|---|
US (1) | US6795254B2 (ja) |
JP (1) | JP4273966B2 (ja) |
KR (1) | KR20030023751A (ja) |
CN (1) | CN100489590C (ja) |
TW (1) | TW578005B (ja) |
WO (1) | WO2003001270A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7042649B2 (en) * | 2003-08-11 | 2006-05-09 | California Institute Of Technology | Microfabricated rubber microscope using soft solid immersion lenses |
JP2005259329A (ja) * | 2004-02-12 | 2005-09-22 | Sony Corp | チルト制御方法及び光ディスク装置。 |
FR2899343B1 (fr) * | 2006-04-04 | 2008-09-05 | Commissariat Energie Atomique | Lentille a immersion solide a capacite de focalisation accrue |
WO2011033787A1 (ja) * | 2009-09-17 | 2011-03-24 | パナソニック株式会社 | 対物レンズ素子 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179409A (ja) * | 1985-02-04 | 1986-08-12 | Pioneer Electronic Corp | 光学式情報読取装置の対物レンズ |
JPS62227112A (ja) * | 1986-03-28 | 1987-10-06 | Minolta Camera Co Ltd | 光デイスク用対物レンズ |
JPH01109316A (ja) * | 1987-10-23 | 1989-04-26 | Sony Corp | 光ディスク用対物レンズ |
JPH01177006A (ja) * | 1987-07-29 | 1989-07-13 | Kyocera Corp | 対物レンズ |
JPH01276107A (ja) * | 1988-04-28 | 1989-11-06 | Olympus Optical Co Ltd | 大口径集光レンズ |
JPH02106709A (ja) * | 1988-10-17 | 1990-04-18 | Toshiba Corp | 非球面対物レンズ |
EP0776004A2 (en) * | 1995-11-02 | 1997-05-28 | Konica Corporation | Optical system for recording and reproducing an optical recording medium |
JPH10221595A (ja) * | 1997-02-03 | 1998-08-21 | Matsushita Electric Ind Co Ltd | 光ディスク用対物レンズ、光ヘッド装置及び光学情報記録再生装置 |
EP1081692A2 (en) * | 1999-09-01 | 2001-03-07 | Konica Corporation | Objective lens for pickup and light pickup apparatus |
JP2002140831A (ja) * | 2000-11-02 | 2002-05-17 | Sharp Corp | 光ピックアップ装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6477006A (en) | 1988-08-08 | 1989-03-23 | Minolta Camera Kk | Automatic focusing device |
JPH09185836A (ja) | 1995-11-02 | 1997-07-15 | Konica Corp | 光情報記録媒体の記録再生用光学系 |
KR20030020364A (ko) * | 2001-05-22 | 2003-03-08 | 소니 가부시끼 가이샤 | 광학픽업용 대물렌즈, 광학픽업 및 디스크 드라이브장치 |
-
2002
- 2002-06-21 WO PCT/JP2002/006246 patent/WO2003001270A1/ja active Application Filing
- 2002-06-21 KR KR10-2003-7002022A patent/KR20030023751A/ko active IP Right Grant
- 2002-06-21 US US10/362,515 patent/US6795254B2/en not_active Expired - Fee Related
- 2002-06-21 CN CNB028024877A patent/CN100489590C/zh not_active Expired - Fee Related
- 2002-06-21 JP JP2003507609A patent/JP4273966B2/ja not_active Expired - Fee Related
- 2002-06-25 TW TW091113870A patent/TW578005B/zh not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179409A (ja) * | 1985-02-04 | 1986-08-12 | Pioneer Electronic Corp | 光学式情報読取装置の対物レンズ |
JPS62227112A (ja) * | 1986-03-28 | 1987-10-06 | Minolta Camera Co Ltd | 光デイスク用対物レンズ |
JPH01177006A (ja) * | 1987-07-29 | 1989-07-13 | Kyocera Corp | 対物レンズ |
JPH01109316A (ja) * | 1987-10-23 | 1989-04-26 | Sony Corp | 光ディスク用対物レンズ |
JPH01276107A (ja) * | 1988-04-28 | 1989-11-06 | Olympus Optical Co Ltd | 大口径集光レンズ |
JPH02106709A (ja) * | 1988-10-17 | 1990-04-18 | Toshiba Corp | 非球面対物レンズ |
EP0776004A2 (en) * | 1995-11-02 | 1997-05-28 | Konica Corporation | Optical system for recording and reproducing an optical recording medium |
JPH10221595A (ja) * | 1997-02-03 | 1998-08-21 | Matsushita Electric Ind Co Ltd | 光ディスク用対物レンズ、光ヘッド装置及び光学情報記録再生装置 |
EP1081692A2 (en) * | 1999-09-01 | 2001-03-07 | Konica Corporation | Objective lens for pickup and light pickup apparatus |
JP2002140831A (ja) * | 2000-11-02 | 2002-05-17 | Sharp Corp | 光ピックアップ装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20030023751A (ko) | 2003-03-19 |
CN1606709A (zh) | 2005-04-13 |
CN100489590C (zh) | 2009-05-20 |
JPWO2003001270A1 (ja) | 2004-10-14 |
TW578005B (en) | 2004-03-01 |
US6795254B2 (en) | 2004-09-21 |
US20040001261A1 (en) | 2004-01-01 |
JP4273966B2 (ja) | 2009-06-03 |
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