JP2005322356A - 光ピックアップ装置 - Google Patents

光ピックアップ装置 Download PDF

Info

Publication number
JP2005322356A
JP2005322356A JP2004141191A JP2004141191A JP2005322356A JP 2005322356 A JP2005322356 A JP 2005322356A JP 2004141191 A JP2004141191 A JP 2004141191A JP 2004141191 A JP2004141191 A JP 2004141191A JP 2005322356 A JP2005322356 A JP 2005322356A
Authority
JP
Japan
Prior art keywords
lens
optical pickup
pickup device
transparent substrate
lens group
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.)
Withdrawn
Application number
JP2004141191A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005322356A5 (enExample
Inventor
Koichiro Nishikawa
幸一郎 西川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004141191A priority Critical patent/JP2005322356A/ja
Priority to US11/113,014 priority patent/US7417938B2/en
Priority to EP05252613A priority patent/EP1596384A3/en
Publication of JP2005322356A publication Critical patent/JP2005322356A/ja
Publication of JP2005322356A5 publication Critical patent/JP2005322356A5/ja
Withdrawn legal-status Critical Current

Links

Images

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
    • G11B7/1376—Collimator 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
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • 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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0948—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
JP2004141191A 2004-05-11 2004-05-11 光ピックアップ装置 Withdrawn JP2005322356A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004141191A JP2005322356A (ja) 2004-05-11 2004-05-11 光ピックアップ装置
US11/113,014 US7417938B2 (en) 2004-05-11 2005-04-25 Optical pickup apparatus including collimator lens with first lens group having negative power and being fixed and second lens group having positive power and being movable
EP05252613A EP1596384A3 (en) 2004-05-11 2005-04-27 Optical pickup apparatus including collimator lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004141191A JP2005322356A (ja) 2004-05-11 2004-05-11 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2005322356A true JP2005322356A (ja) 2005-11-17
JP2005322356A5 JP2005322356A5 (enExample) 2007-06-14

Family

ID=34941051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004141191A Withdrawn JP2005322356A (ja) 2004-05-11 2004-05-11 光ピックアップ装置

Country Status (3)

Country Link
US (1) US7417938B2 (enExample)
EP (1) EP1596384A3 (enExample)
JP (1) JP2005322356A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005322356A (ja) 2004-05-11 2005-11-17 Canon Inc 光ピックアップ装置
JP2006073124A (ja) * 2004-09-03 2006-03-16 Sony Corp 光学ピックアップ
JP4987856B2 (ja) * 2006-03-20 2012-07-25 パナソニック株式会社 光学ヘッドおよび光ディスク装置
JP2009116992A (ja) * 2007-11-08 2009-05-28 Funai Electric Co Ltd 光ディスク装置及び球面収差補正方法
US7839734B2 (en) * 2008-05-12 2010-11-23 Mediatek Inc. Method and apparatus for controlling spherical aberration correction for an optical disk drive
CN111919097B (zh) * 2019-09-04 2022-08-05 深圳市海谱纳米光学科技有限公司 一种光学镜头和光学设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10134400A (ja) 1996-10-28 1998-05-22 Nec Corp 光ヘッド装置
KR100657251B1 (ko) * 2000-01-14 2006-12-19 삼성전자주식회사 광픽업장치
JP2001216662A (ja) 2000-02-01 2001-08-10 Pioneer Electronic Corp ピックアップ装置及び情報記録再生装置
EP2264707A3 (en) 2000-05-12 2012-03-07 Konica Minolta Opto, Inc. Optical pick-up apparatus
JP2002236252A (ja) 2000-10-16 2002-08-23 Konica Corp 対物レンズ、カップリングレンズ、集光光学系、光ピックアップ装置及び記録・再生装置
HUP0303190A2 (hu) * 2000-10-16 2003-12-29 Konica Corporation Tárgylencse, kapcsoló lencse, fénykonvergáló optikai rendszer és optikai felvevő-lejátszó eszköz
CA2396246C (en) 2000-11-20 2007-05-15 Sony Corporation Optical recording medium with high density track pitch and optical disk device for recording and playback of the same
US6934226B2 (en) 2001-04-12 2005-08-23 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus
JP2003167187A (ja) 2001-06-20 2003-06-13 Konica Corp 対物レンズ、光ピックアップ装置及び記録・再生装置
JP4373036B2 (ja) * 2001-08-31 2009-11-25 パイオニア株式会社 光ピックアップ
WO2003075266A1 (en) 2002-03-04 2003-09-12 Matsushita Electric Industrial Co., Ltd. Optical head and optical recording/reproducing device using it, and aberration correction method
JP2004152426A (ja) 2002-10-31 2004-05-27 Pioneer Electronic Corp 収差補正装置、光ピックアップ及び収差補正方法
JP2005322356A (ja) 2004-05-11 2005-11-17 Canon Inc 光ピックアップ装置

Also Published As

Publication number Publication date
EP1596384A2 (en) 2005-11-16
EP1596384A3 (en) 2006-01-25
US7417938B2 (en) 2008-08-26
US20050254394A1 (en) 2005-11-17

Similar Documents

Publication Publication Date Title
KR100804137B1 (ko) 렌즈 및 그것을 사용한 광학계, 광헤드 및 광디스크장치 및 광픽업장치
US7664004B2 (en) Optical pickup apparatus
KR20060037234A (ko) 광픽업용 렌즈장치 및 이를 이용한 정보기록 재생장치
US7280444B2 (en) Objective optical element, optical pickup device, and optical information recording and reproducing device
US7974172B2 (en) Optical pickup apparatus
JP2005322357A (ja) 光ピックアップ装置
JP2005322356A (ja) 光ピックアップ装置
JP2009170074A (ja) 光ピックアップ光学系、これを用いた光ピックアップ装置
KR20050007182A (ko) 렌즈 및 그것을 사용한 광학계, 광헤드 및 광디스크장치
US7561499B2 (en) Light focusing optical system, optical pickup device and optical recording and reproducing device using the same, as well as light focusing method
KR20040105579A (ko) 광 픽업 장치용의 광학 소자, 광 픽업 장치, 광 정보 기록재생 장치, 광 픽업 장치용의 수차 보정 소자 및 광 픽업장치용의 집광 렌즈
JP2010073238A (ja) 光ピックアップ、対物レンズ、球面収差補正素子及び光学的情報記録再生装置
JP4530884B2 (ja) 光ピックアップ装置およびこれを用いた光ディスクドライブ装置
JP2007115319A (ja) 光ピックアップ装置
JP4463238B2 (ja) 対物レンズの設計方法
JP2005322281A (ja) 収差補正素子、光ピックアップ用レンズ装置、光ピックアップ装置
JP4316370B2 (ja) レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP2010281847A (ja) 対物レンズ
KR100607937B1 (ko) 광디스크 경사 보정장치 및 이를 채용한 광픽업장치
JP4144267B2 (ja) 収差補正光学素子及び光学ピックアップ装置
JP4385038B2 (ja) 対物レンズ
JP4255886B2 (ja) 光ピックアップおよび光情報処理装置
JP2005285150A (ja) 光ピックアップ装置及びそれを搭載した光ディスクドライブ装置
US20090201786A1 (en) Optical element and objective optical system
JP2006012417A (ja) 対物レンズ、光ヘッド及び光ディスク装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070426

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070426

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080207

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20080313