JP3854621B2 - 対物レンズ - Google Patents

対物レンズ Download PDF

Info

Publication number
JP3854621B2
JP3854621B2 JP2005260778A JP2005260778A JP3854621B2 JP 3854621 B2 JP3854621 B2 JP 3854621B2 JP 2005260778 A JP2005260778 A JP 2005260778A JP 2005260778 A JP2005260778 A JP 2005260778A JP 3854621 B2 JP3854621 B2 JP 3854621B2
Authority
JP
Japan
Prior art keywords
light
wavelength
objective lens
lens
dvd
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.)
Expired - Lifetime
Application number
JP2005260778A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006048918A (ja
JP2006048918A5 (enExample
Inventor
靖幸 杉
竹介 丸山
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Energy 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 Hitachi Maxell Energy Ltd filed Critical Hitachi Maxell Energy Ltd
Priority to JP2005260778A priority Critical patent/JP3854621B2/ja
Publication of JP2006048918A publication Critical patent/JP2006048918A/ja
Publication of JP2006048918A5 publication Critical patent/JP2006048918A5/ja
Application granted granted Critical
Publication of JP3854621B2 publication Critical patent/JP3854621B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Lenses (AREA)
  • Optical Head (AREA)
JP2005260778A 2002-01-11 2005-09-08 対物レンズ Expired - Lifetime JP3854621B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005260778A JP3854621B2 (ja) 2002-01-11 2005-09-08 対物レンズ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002004993 2002-01-11
JP2005260778A JP3854621B2 (ja) 2002-01-11 2005-09-08 対物レンズ

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2003386578A Division JP3974102B2 (ja) 2002-01-11 2003-11-17 対物レンズ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006198154A Division JP4385040B2 (ja) 2002-01-11 2006-07-20 対物レンズ

Publications (3)

Publication Number Publication Date
JP2006048918A JP2006048918A (ja) 2006-02-16
JP2006048918A5 JP2006048918A5 (enExample) 2006-06-29
JP3854621B2 true JP3854621B2 (ja) 2006-12-06

Family

ID=36027255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005260778A Expired - Lifetime JP3854621B2 (ja) 2002-01-11 2005-09-08 対物レンズ

Country Status (1)

Country Link
JP (1) JP3854621B2 (enExample)

Also Published As

Publication number Publication date
JP2006048918A (ja) 2006-02-16

Similar Documents

Publication Publication Date Title
JP3518684B2 (ja) 対物レンズの設計方法、対物レンズ、対物レンズの製造方法、多波長用光学系、光ヘッド及び光デイスク装置
JP3948481B2 (ja) 光ピックアップ装置
JP3868932B2 (ja) レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP4377281B2 (ja) 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置
US20050105447A1 (en) Optical pickup device and optical system used for the same
JP3708100B2 (ja) 対物レンズ、光ヘッド及び光ディスク装置
JP3854623B2 (ja) 対物レンズ
JP3854621B2 (ja) 対物レンズ
JPWO2004088648A1 (ja) 集光光学系
JP4316370B2 (ja) レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP4385035B2 (ja) 対物レンズ、多波長用レンズ、多波長用光学系、光ヘッド及び光ディスク装置
JP4385040B2 (ja) 対物レンズ
JP3854622B2 (ja) 対物レンズ
JP3974102B2 (ja) 対物レンズ
WO2011033786A1 (ja) 光ピックアップ光学系
JP4385038B2 (ja) 対物レンズ
JP5007328B2 (ja) 対物レンズ
JP3854590B2 (ja) 対物レンズ
US7969852B2 (en) Optical pickup apparatus
JP2005044461A (ja) レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置
JP2008130190A (ja) カップリングレンズ及び光ピックアップ装置
EP1530207A2 (en) Optical pickup device with correcting element
JP5318910B2 (ja) 対物レンズ
JP4818896B2 (ja) カップリングレンズ及び光ピックアップ装置
JP2006330765A (ja) 光記録媒体記録／再生用対物レンズ及びそれを用いた光学系、光ヘッド並びに光ディスク装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060512

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20060512

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20060522

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060530

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060710

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20060829

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20060908

R150 Certificate of patent or registration of utility model

Ref document number: 3854621

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100915

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100915

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100915

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110915

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110915

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120915

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120915

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120915

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130915

Year of fee payment: 7

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term