TW563109B - Objective lens device capable of correcting chromatic aberration and optical pickup employing the same - Google Patents

Objective lens device capable of correcting chromatic aberration and optical pickup employing the same Download PDF

Info

Publication number
TW563109B
TW563109B TW090124891A TW90124891A TW563109B TW 563109 B TW563109 B TW 563109B TW 090124891 A TW090124891 A TW 090124891A TW 90124891 A TW90124891 A TW 90124891A TW 563109 B TW563109 B TW 563109B
Authority
TW
Taiwan
Prior art keywords
lens
objective lens
scope
patent application
negative power
Prior art date
Application number
TW090124891A
Other languages
English (en)
Chinese (zh)
Inventor
Tae-Kyung Kim
Young-Man Ahn
Hea-Jung Suh
Chong-Sam Chung
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of TW563109B publication Critical patent/TW563109B/zh

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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
    • G11B7/135—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
TW090124891A 2000-12-07 2001-10-09 Objective lens device capable of correcting chromatic aberration and optical pickup employing the same TW563109B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2000-0074312A KR100393059B1 (ko) 2000-12-07 2000-12-07 색수차 보정 가능한 대물렌즈장치 및 이를 채용한 광픽업

Publications (1)

Publication Number Publication Date
TW563109B true TW563109B (en) 2003-11-21

Family

ID=19702798

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090124891A TW563109B (en) 2000-12-07 2001-10-09 Objective lens device capable of correcting chromatic aberration and optical pickup employing the same

Country Status (4)

Country Link
JP (1) JP3558218B2 (ja)
KR (1) KR100393059B1 (ja)
CN (1) CN1222803C (ja)
TW (1) TW563109B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004053557A1 (ja) * 2002-12-10 2004-06-24 Asahi Glass Company, Limited 光情報記録媒体用の対物レンズ
JPWO2005101393A1 (ja) * 2004-04-13 2008-03-06 コニカミノルタオプト株式会社 光ピックアップ装置用の対物光学系、光ピックアップ装置、光情報記録媒体のドライブ装置、集光レンズ、及び光路合成素子
CN100501502C (zh) * 2006-07-19 2009-06-17 清华大学深圳研究生院 一种激光读取头准直光路结构
CN112987252B (zh) * 2021-03-05 2023-11-07 江西晶超光学有限公司 光学系统、红外接收模组及电子设备

Also Published As

Publication number Publication date
KR100393059B1 (ko) 2003-07-31
CN1356572A (zh) 2002-07-03
JP3558218B2 (ja) 2004-08-25
KR20020045024A (ko) 2002-06-19
CN1222803C (zh) 2005-10-12
JP2002267927A (ja) 2002-09-18

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees