JPS60232519A - 光情報記録・再生用対物レンズ - Google Patents

光情報記録・再生用対物レンズ

Info

Publication number
JPS60232519A
JPS60232519A JP8785484A JP8785484A JPS60232519A JP S60232519 A JPS60232519 A JP S60232519A JP 8785484 A JP8785484 A JP 8785484A JP 8785484 A JP8785484 A JP 8785484A JP S60232519 A JPS60232519 A JP S60232519A
Authority
JP
Japan
Prior art keywords
lens
group
focal length
chromatic aberration
objective 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.)
Granted
Application number
JP8785484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Norikazu Arai
則一 荒井
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Inc filed Critical Konica Minolta Inc
Priority to JP8785484A priority Critical patent/JPS60232519A/ja
Publication of JPS60232519A publication Critical patent/JPS60232519A/ja
Publication of JPH0431087B2 publication Critical patent/JPH0431087B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP8785484A 1984-05-02 1984-05-02 光情報記録・再生用対物レンズ Granted JPS60232519A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8785484A JPS60232519A (ja) 1984-05-02 1984-05-02 光情報記録・再生用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8785484A JPS60232519A (ja) 1984-05-02 1984-05-02 光情報記録・再生用対物レンズ

Publications (2)

Publication Number Publication Date
JPS60232519A true JPS60232519A (ja) 1985-11-19
JPH0431087B2 JPH0431087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-25

Family

ID=13926468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8785484A Granted JPS60232519A (ja) 1984-05-02 1984-05-02 光情報記録・再生用対物レンズ

Country Status (1)

Country Link
JP (1) JPS60232519A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927247A (en) * 1988-05-13 1990-05-22 Matsushita Electric Industrial Co., Ltd. Objective lens for optical disk system and optical head using the same
US4995710A (en) * 1989-05-31 1991-02-26 Ricoh Company, Ltd. Objective lens for optical disk
US5214537A (en) * 1989-04-11 1993-05-25 Asahi Kogaku Kogyo Kabushiki Kaisha Chromatic aberration correcting objective lens system for information recording/reproducing apparatus
US5321550A (en) * 1989-02-09 1994-06-14 Asahi Kogaku Kogyo Kabushiki Kaisha Optical 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919087U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-27 1974-02-18
JPS5334522A (en) * 1976-09-10 1978-03-31 Minolta Camera Co Ltd Soft focus lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919087U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-27 1974-02-18
JPS5334522A (en) * 1976-09-10 1978-03-31 Minolta Camera Co Ltd Soft focus lens

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927247A (en) * 1988-05-13 1990-05-22 Matsushita Electric Industrial Co., Ltd. Objective lens for optical disk system and optical head using the same
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
US5657171A (en) * 1989-02-09 1997-08-12 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
US5491587A (en) * 1989-02-28 1996-02-13 Asahi Kogaku Kogyo Kabushiki Kaisha Collimating lens for optical system using semiconductor laser
US5214537A (en) * 1989-04-11 1993-05-25 Asahi Kogaku Kogyo Kabushiki Kaisha Chromatic aberration correcting objective lens system for information recording/reproducing apparatus
US4995710A (en) * 1989-05-31 1991-02-26 Ricoh Company, Ltd. Objective lens for optical disk

Also Published As

Publication number Publication date
JPH0431087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-05-25

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