JPS6091318A - 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
JPS6091318A
JPS6091318A JP20051783A JP20051783A JPS6091318A JP S6091318 A JPS6091318 A JP S6091318A JP 20051783 A JP20051783 A JP 20051783A JP 20051783 A JP20051783 A JP 20051783A JP S6091318 A JPS6091318 A JP S6091318A
Authority
JP
Japan
Prior art keywords
lens
light source
source side
optical disk
convex surface
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
JP20051783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0410046B2 (enrdf_load_stackoverflow
Inventor
Yoshinobu Asakura
朝倉　義信
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.)
Nitto Optical Co Ltd
Original Assignee
Nitto Optical 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 Nitto Optical Co Ltd filed Critical Nitto Optical Co Ltd
Priority to JP20051783A priority Critical patent/JPS6091318A/ja
Publication of JPS6091318A publication Critical patent/JPS6091318A/ja
Publication of JPH0410046B2 publication Critical patent/JPH0410046B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP20051783A 1983-10-26 1983-10-26 光デイスク用対物レンズ Granted JPS6091318A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20051783A JPS6091318A (ja) 1983-10-26 1983-10-26 光デイスク用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20051783A JPS6091318A (ja) 1983-10-26 1983-10-26 光デイスク用対物レンズ

Publications (2)

Publication Number Publication Date
JPS6091318A true JPS6091318A (ja) 1985-05-22
JPH0410046B2 JPH0410046B2 (enrdf_load_stackoverflow) 1992-02-24

Family

ID=16425624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20051783A Granted JPS6091318A (ja) 1983-10-26 1983-10-26 光デイスク用対物レンズ

Country Status (1)

Country Link
JP (1) JPS6091318A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271213A (ja) * 1987-04-28 1988-11-09 Pioneer Electronic Corp 光学式ピツクアツプ用対物レンズ
WO2005045500A1 (en) * 2003-11-04 2005-05-19 Eastman Kodak Company Objective lens system having three lenses

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031593B (zh) * 2018-08-03 2021-02-23 诚瑞光学(苏州)有限公司 投影镜头

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271213A (ja) * 1987-04-28 1988-11-09 Pioneer Electronic Corp 光学式ピツクアツプ用対物レンズ
WO2005045500A1 (en) * 2003-11-04 2005-05-19 Eastman Kodak Company Objective lens system having three lenses

Also Published As

Publication number Publication date
JPH0410046B2 (enrdf_load_stackoverflow) 1992-02-24

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