JPS61200518A - 光情報記録媒体の記録再生用対物レンズ - Google Patents

光情報記録媒体の記録再生用対物レンズ

Info

Publication number
JPS61200518A
JPS61200518A JP4053285A JP4053285A JPS61200518A JP S61200518 A JPS61200518 A JP S61200518A JP 4053285 A JP4053285 A JP 4053285A JP 4053285 A JP4053285 A JP 4053285A JP S61200518 A JPS61200518 A JP S61200518A
Authority
JP
Japan
Prior art keywords
lens
curvature
aspherical
light source
optical axis
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
JP4053285A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0453285B2 (enrdf_load_stackoverflow
Inventor
Norikazu Arai
則一 荒井
Nobuyoshi Mori
伸芳 森
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 JP4053285A priority Critical patent/JPS61200518A/ja
Publication of JPS61200518A publication Critical patent/JPS61200518A/ja
Publication of JPH0453285B2 publication Critical patent/JPH0453285B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP4053285A 1985-02-28 1985-02-28 光情報記録媒体の記録再生用対物レンズ Granted JPS61200518A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4053285A JPS61200518A (ja) 1985-02-28 1985-02-28 光情報記録媒体の記録再生用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4053285A JPS61200518A (ja) 1985-02-28 1985-02-28 光情報記録媒体の記録再生用対物レンズ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP31482294A Division JPH0829682A (ja) 1994-12-19 1994-12-19 光情報記録媒体の記録再生用対物レンズ

Publications (2)

Publication Number Publication Date
JPS61200518A true JPS61200518A (ja) 1986-09-05
JPH0453285B2 JPH0453285B2 (enrdf_load_stackoverflow) 1992-08-26

Family

ID=12583071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4053285A Granted JPS61200518A (ja) 1985-02-28 1985-02-28 光情報記録媒体の記録再生用対物レンズ

Country Status (1)

Country Link
JP (1) JPS61200518A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215222A (ja) * 1986-03-17 1987-09-21 Canon Inc 光メモリ用集光レンズ
JPS6425113A (en) * 1987-07-21 1989-01-27 Mark Kk Finite system large aperture single lens
JPH02223906A (ja) * 1989-02-24 1990-09-06 Hoya Corp 有限系大口径非球面レンズ
JPH04163510A (ja) * 1990-10-29 1992-06-09 Konica Corp 光ディスク用対物レンズ
JPH0829682A (ja) * 1994-12-19 1996-02-02 Konica Corp 光情報記録媒体の記録再生用対物レンズ
JP2009163870A (ja) * 1999-09-01 2009-07-23 Konica Minolta Holdings Inc 対物レンズ及び光ピックアップ装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215222A (ja) * 1986-03-17 1987-09-21 Canon Inc 光メモリ用集光レンズ
JPS6425113A (en) * 1987-07-21 1989-01-27 Mark Kk Finite system large aperture single lens
JPH02223906A (ja) * 1989-02-24 1990-09-06 Hoya Corp 有限系大口径非球面レンズ
JPH04163510A (ja) * 1990-10-29 1992-06-09 Konica Corp 光ディスク用対物レンズ
JPH0829682A (ja) * 1994-12-19 1996-02-02 Konica Corp 光情報記録媒体の記録再生用対物レンズ
JP2009163870A (ja) * 1999-09-01 2009-07-23 Konica Minolta Holdings Inc 対物レンズ及び光ピックアップ装置

Also Published As

Publication number Publication date
JPH0453285B2 (enrdf_load_stackoverflow) 1992-08-26

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