DE60039319D1 - Asphärische Ojektivlinse und Herstellungsverfahren derselben - Google Patents

Asphärische Ojektivlinse und Herstellungsverfahren derselben

Info

Publication number
DE60039319D1
DE60039319D1 DE60039319T DE60039319T DE60039319D1 DE 60039319 D1 DE60039319 D1 DE 60039319D1 DE 60039319 T DE60039319 T DE 60039319T DE 60039319 T DE60039319 T DE 60039319T DE 60039319 D1 DE60039319 D1 DE 60039319D1
Authority
DE
Germany
Prior art keywords
production
aspherical lens
aspherical
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
Application number
DE60039319T
Other languages
English (en)
Inventor
Katsuhiro Koike
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60039319D1 publication Critical patent/DE60039319D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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)
  • Lenses (AREA)
  • Optical Head (AREA)
DE60039319T 1999-01-14 2000-01-11 Asphärische Ojektivlinse und Herstellungsverfahren derselben Expired - Lifetime DE60039319D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11008512A JP2000206405A (ja) 1999-01-14 1999-01-14 非球面対物レンズ及びその製造方法

Publications (1)

Publication Number Publication Date
DE60039319D1 true DE60039319D1 (de) 2008-08-14

Family

ID=11695194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60039319T Expired - Lifetime DE60039319D1 (de) 1999-01-14 2000-01-11 Asphärische Ojektivlinse und Herstellungsverfahren derselben

Country Status (5)

Country Link
US (1) US6625103B1 (de)
EP (1) EP1020852B1 (de)
JP (1) JP2000206405A (de)
DE (1) DE60039319D1 (de)
HK (1) HK1027426A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002163830A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体
JP2010153037A (ja) * 2003-07-29 2010-07-08 Hoya Corp 対物レンズ
JP2010153038A (ja) * 2003-09-30 2010-07-08 Hoya Corp 対物レンズ
JP4850032B2 (ja) * 2006-11-08 2012-01-11 日立マクセル株式会社 光ピックアップレンズ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864228A (en) * 1985-03-15 1989-09-05 Fairchild Camera And Instrument Corporation Electron beam test probe for integrated circuit testing
US4979807A (en) * 1989-04-12 1990-12-25 Canon Kabushiki Kaisha Biaspherical single lens for an optical information recording-reproducing apparatus
US5148322A (en) * 1989-11-09 1992-09-15 Omron Tateisi Electronics Co. Micro aspherical lens and fabricating method therefor and optical device
JP2776207B2 (ja) * 1993-08-09 1998-07-16 松下電器産業株式会社 光情報再生方法
KR100234249B1 (ko) * 1995-06-07 1999-12-15 윤종용 광픽업용 2위치 결상 대물렌즈
JP3531024B2 (ja) * 1996-07-10 2004-05-24 コニカミノルタホールディングス株式会社 光情報記録媒体の記録及び／又は再生用光学系及び対物レンズ
US6061324A (en) * 1996-10-23 2000-05-09 Konica Corporation Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
US6069860A (en) * 1996-11-20 2000-05-30 Matsushita Electric Industrial Co., Ltd. Optical head with objective lens having different numerical apertures to minimize light aberration with respect to optical disks of different thicknesses
KR100209916B1 (ko) * 1997-02-13 1999-07-15 윤종용 복수의 광디스크사양들에 호환하는 대물렌즈를구비한 광픽업
US6091691A (en) * 1997-02-13 2000-07-18 Samsung Electronics Co., Ltd. Optical pickup having an objective lens compatible with a plurality of optical disk formats
EP0874359B1 (de) * 1997-04-21 2009-01-07 Konica Corporation Optische Abtastvorrichtung
JPH112759A (ja) * 1997-06-13 1999-01-06 Pioneer Electron Corp 対物レンズ
KR100514323B1 (ko) * 1997-12-05 2005-12-08 삼성전자주식회사 복수의광디스크를호환하는대물렌즈를구비한광픽업
US6088322A (en) * 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks

Also Published As

Publication number Publication date
JP2000206405A (ja) 2000-07-28
EP1020852B1 (de) 2008-07-02
US6625103B1 (en) 2003-09-23
HK1027426A1 (en) 2001-01-12
EP1020852A1 (de) 2000-07-19

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition