JPS6310118A - 光デイスク用対物レンズ - Google Patents

光デイスク用対物レンズ

Info

Publication number
JPS6310118A
JPS6310118A JP15450086A JP15450086A JPS6310118A JP S6310118 A JPS6310118 A JP S6310118A JP 15450086 A JP15450086 A JP 15450086A JP 15450086 A JP15450086 A JP 15450086A JP S6310118 A JPS6310118 A JP S6310118A
Authority
JP
Japan
Prior art keywords
lens
group
aberration
group lens
aberrations
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.)
Granted
Application number
JP15450086A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140325B2 (enExample
Inventor
Takahiro Sugiyama
孝浩 杉山
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP15450086A priority Critical patent/JPS6310118A/ja
Publication of JPS6310118A publication Critical patent/JPS6310118A/ja
Publication of JPH0140325B2 publication Critical patent/JPH0140325B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP15450086A 1986-07-01 1986-07-01 光デイスク用対物レンズ Granted JPS6310118A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15450086A JPS6310118A (ja) 1986-07-01 1986-07-01 光デイスク用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15450086A JPS6310118A (ja) 1986-07-01 1986-07-01 光デイスク用対物レンズ

Publications (2)

Publication Number Publication Date
JPS6310118A true JPS6310118A (ja) 1988-01-16
JPH0140325B2 JPH0140325B2 (enExample) 1989-08-28

Family

ID=15585600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15450086A Granted JPS6310118A (ja) 1986-07-01 1986-07-01 光デイスク用対物レンズ

Country Status (1)

Country Link
JP (1) JPS6310118A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642883A1 (enExample) * 1989-02-09 1990-08-10 Asahi Optical Co Ltd
US4953959A (en) * 1988-05-12 1990-09-04 Olympus Optical Co., Ltd. Objective lens for optical disks
GB2229292A (en) * 1989-02-28 1990-09-19 Asahi Optical Co Ltd Objective lens system having two components and aspherical surfaces
US5491587A (en) * 1989-02-28 1996-02-13 Asahi Kogaku Kogyo Kabushiki Kaisha Collimating lens for optical system using semiconductor laser
JP2003084196A (ja) * 2001-07-04 2003-03-19 Konica Corp 対物レンズ、光ピックアップ装置及び記録・再生装置
US6788473B2 (en) 2000-12-07 2004-09-07 Samsung Electronics Co., Ltd. Objective lens device for correcting chromatic aberration and optical pickup employing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118557A (en) * 1974-07-22 1976-02-14 Olympus Optical Co Bideo deisukuyotaibutsurenzu
JPS554068A (en) * 1978-06-26 1980-01-12 Olympus Optical Co Ltd Focusing lens for video disc
JPS6191612A (ja) * 1984-10-12 1986-05-09 Tokinaa Kogaku Kk 光デイスク用対物レンズ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118557A (en) * 1974-07-22 1976-02-14 Olympus Optical Co Bideo deisukuyotaibutsurenzu
JPS554068A (en) * 1978-06-26 1980-01-12 Olympus Optical Co Ltd Focusing lens for video disc
JPS6191612A (ja) * 1984-10-12 1986-05-09 Tokinaa Kogaku Kk 光デイスク用対物レンズ

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953959A (en) * 1988-05-12 1990-09-04 Olympus Optical Co., Ltd. Objective lens for optical disks
FR2642883A1 (enExample) * 1989-02-09 1990-08-10 Asahi Optical Co Ltd
US5321550A (en) * 1989-02-09 1994-06-14 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system of optical information recording/reproducing apparatus
US5479296A (en) * 1989-02-09 1995-12-26 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system of optical information recording/reproducing apparatus
US5638221A (en) * 1989-02-09 1997-06-10 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system of optical information recording/reproducing apparatus
US5644437A (en) * 1989-02-09 1997-07-01 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system of optical information recording/reproducing apparatus
US5657168A (en) * 1989-02-09 1997-08-12 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system of optical information recording/ reproducing apparatus
GB2229292A (en) * 1989-02-28 1990-09-19 Asahi Optical Co Ltd Objective lens system having two components and aspherical surfaces
GB2229292B (en) * 1989-02-28 1993-02-10 Asahi Optical Co Ltd Objective lens system of optical information recording/reproducing apparatus
US5491587A (en) * 1989-02-28 1996-02-13 Asahi Kogaku Kogyo Kabushiki Kaisha Collimating lens for optical system using semiconductor laser
US6788473B2 (en) 2000-12-07 2004-09-07 Samsung Electronics Co., Ltd. Objective lens device for correcting chromatic aberration and optical pickup employing the same
JP2003084196A (ja) * 2001-07-04 2003-03-19 Konica Corp 対物レンズ、光ピックアップ装置及び記録・再生装置

Also Published As

Publication number Publication date
JPH0140325B2 (enExample) 1989-08-28

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