WO2008093510A1 - 光学素子、光ピックアップ装置及び光ピックアップ装置の組立方法 - Google Patents

光学素子、光ピックアップ装置及び光ピックアップ装置の組立方法 Download PDF

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Publication number
WO2008093510A1
WO2008093510A1 PCT/JP2008/050059 JP2008050059W WO2008093510A1 WO 2008093510 A1 WO2008093510 A1 WO 2008093510A1 JP 2008050059 W JP2008050059 W JP 2008050059W WO 2008093510 A1 WO2008093510 A1 WO 2008093510A1
Authority
WO
WIPO (PCT)
Prior art keywords
pickup device
optical
optical pickup
objective lens
residual
Prior art date
Application number
PCT/JP2008/050059
Other languages
English (en)
French (fr)
Inventor
Kentarou Nakamura
Tohru Kimura
Kohei Ota
Original Assignee
Konica Minolta Opto, 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 Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to JP2008556031A priority Critical patent/JPWO2008093510A1/ja
Publication of WO2008093510A1 publication Critical patent/WO2008093510A1/ja

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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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)

Abstract

　光ディスクに対して互換可能に情報の記録及び／又は再生を適切に行うために、２つの対物レンズ部を組み合わせて形成してなる光ピックアップ装置用の光学素子及びそれを用いた光ピックアップ装置並びに光ピックアップ装置の組立方法を提供するために、第１の対物レンズ部の傾角感度と残留３次コマ収差の関係と、第２の対物レンズ部の傾角感度と残留３次コマ収差の関係とを、相互に関連づけることで、光ピックアップ装置に組み付けた際に残留３次コマ収差を抑制して、第１の対物レンズ部と第２の対物レンズ部とにより最適な集光スポットを光情報記録媒体の情報記録面に形成できる。
PCT/JP2008/050059 2007-01-31 2008-01-08 光学素子、光ピックアップ装置及び光ピックアップ装置の組立方法 WO2008093510A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008556031A JPWO2008093510A1 (ja) 2007-01-31 2008-01-08 光学素子、光ピックアップ装置及び光ピックアップ装置の組立方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007020346 2007-01-31
JP2007-020346 2007-01-31

Publications (1)

Publication Number Publication Date
WO2008093510A1 true WO2008093510A1 (ja) 2008-08-07

Family

ID=39673824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050059 WO2008093510A1 (ja) 2007-01-31 2008-01-08 光学素子、光ピックアップ装置及び光ピックアップ装置の組立方法

Country Status (2)

Country Link
JP (1) JPWO2008093510A1 (ja)
WO (1) WO2008093510A1 (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0981947A (ja) * 1995-09-08 1997-03-28 Tdk Corp 光ディスク装置の対物レンズ駆動装置と対物レンズ
JPH09115170A (ja) * 1995-10-18 1997-05-02 Seiko Epson Corp 複合対物レンズ及び光ピックアップ装置
JPH1123960A (ja) * 1997-07-03 1999-01-29 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
JPH11259891A (ja) * 1998-03-12 1999-09-24 Matsushita Electric Ind Co Ltd 光ヘッド装置
JP2005346883A (ja) * 2004-06-07 2005-12-15 Konica Minolta Opto Inc 光ピックアップ装置の組立方法及び光ピックアップ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0981947A (ja) * 1995-09-08 1997-03-28 Tdk Corp 光ディスク装置の対物レンズ駆動装置と対物レンズ
JPH09115170A (ja) * 1995-10-18 1997-05-02 Seiko Epson Corp 複合対物レンズ及び光ピックアップ装置
JPH1123960A (ja) * 1997-07-03 1999-01-29 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
JPH11259891A (ja) * 1998-03-12 1999-09-24 Matsushita Electric Ind Co Ltd 光ヘッド装置
JP2005346883A (ja) * 2004-06-07 2005-12-15 Konica Minolta Opto Inc 光ピックアップ装置の組立方法及び光ピックアップ装置

Also Published As

Publication number Publication date
JPWO2008093510A1 (ja) 2010-05-20

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