JP2001256672A - 光ピックアップおよびこれを用いた光ディスク装置 - Google Patents

光ピックアップおよびこれを用いた光ディスク装置

Info

Publication number
JP2001256672A
JP2001256672A JP2000076313A JP2000076313A JP2001256672A JP 2001256672 A JP2001256672 A JP 2001256672A JP 2000076313 A JP2000076313 A JP 2000076313A JP 2000076313 A JP2000076313 A JP 2000076313A JP 2001256672 A JP2001256672 A JP 2001256672A
Authority
JP
Japan
Prior art keywords
optical
optical pickup
chromatic aberration
objective lens
semiconductor laser
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.)
Pending
Application number
JP2000076313A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001256672A5 (enExample
Inventor
Tetsuo Ariyoshi
哲夫 有吉
Takeshi Shimano
健 島野
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP2000076313A priority Critical patent/JP2001256672A/ja
Publication of JP2001256672A publication Critical patent/JP2001256672A/ja
Publication of JP2001256672A5 publication Critical patent/JP2001256672A5/ja
Pending legal-status Critical Current

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  • Lenses (AREA)
  • Optical Head (AREA)
JP2000076313A 2000-03-14 2000-03-14 光ピックアップおよびこれを用いた光ディスク装置 Pending JP2001256672A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000076313A JP2001256672A (ja) 2000-03-14 2000-03-14 光ピックアップおよびこれを用いた光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000076313A JP2001256672A (ja) 2000-03-14 2000-03-14 光ピックアップおよびこれを用いた光ディスク装置

Publications (2)

Publication Number Publication Date
JP2001256672A true JP2001256672A (ja) 2001-09-21
JP2001256672A5 JP2001256672A5 (enExample) 2006-05-18

Family

ID=18594073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000076313A Pending JP2001256672A (ja) 2000-03-14 2000-03-14 光ピックアップおよびこれを用いた光ディスク装置

Country Status (1)

Country Link
JP (1) JP2001256672A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100651326B1 (ko) * 2004-11-05 2006-11-29 삼성전기주식회사 색수차 보정 광학계 및 그것을 이용한 광픽업장치
US20070179478A1 (en) * 2004-02-25 2007-08-02 Dobschal Hans-Juergen Contact element for laser machining
US7616549B2 (en) 2004-11-05 2009-11-10 Samsung Electro-Mechanics Co., Ltd. Chromatic aberration-correcting element and optical pickup device using the same
US7848208B2 (en) 2006-10-05 2010-12-07 Panasonic Corporation Optical head device, aberration correction method and optical information processing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070179478A1 (en) * 2004-02-25 2007-08-02 Dobschal Hans-Juergen Contact element for laser machining
US9265658B2 (en) * 2004-02-25 2016-02-23 Carl Zeiss Meditec Ag Contact element for laser machining
KR100651326B1 (ko) * 2004-11-05 2006-11-29 삼성전기주식회사 색수차 보정 광학계 및 그것을 이용한 광픽업장치
US7616549B2 (en) 2004-11-05 2009-11-10 Samsung Electro-Mechanics Co., Ltd. Chromatic aberration-correcting element and optical pickup device using the same
US7848208B2 (en) 2006-10-05 2010-12-07 Panasonic Corporation Optical head device, aberration correction method and optical information processing apparatus

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