JP2000040249A5 - - Google Patents

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Publication number
JP2000040249A5
JP2000040249A5 JP1998203952A JP20395298A JP2000040249A5 JP 2000040249 A5 JP2000040249 A5 JP 2000040249A5 JP 1998203952 A JP1998203952 A JP 1998203952A JP 20395298 A JP20395298 A JP 20395298A JP 2000040249 A5 JP2000040249 A5 JP 2000040249A5
Authority
JP
Japan
Prior art keywords
pattern
wavefront aberration
angle
astigmatism
drive pattern
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
JP1998203952A
Other languages
English (en)
Japanese (ja)
Other versions
JP3868119B2 (ja
JP2000040249A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP20395298A priority Critical patent/JP3868119B2/ja
Priority claimed from JP20395298A external-priority patent/JP3868119B2/ja
Priority to US09/265,892 priority patent/US6151154A/en
Publication of JP2000040249A publication Critical patent/JP2000040249A/ja
Publication of JP2000040249A5 publication Critical patent/JP2000040249A5/ja
Application granted granted Critical
Publication of JP3868119B2 publication Critical patent/JP3868119B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP20395298A 1998-03-12 1998-07-17 収差補正装置、非点収差測定方法及び光ピックアップ Expired - Fee Related JP3868119B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP20395298A JP3868119B2 (ja) 1998-07-17 1998-07-17 収差補正装置、非点収差測定方法及び光ピックアップ
US09/265,892 US6151154A (en) 1998-03-12 1999-03-11 Optical pickup, aberration correction unit and astigmatism measurement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20395298A JP3868119B2 (ja) 1998-07-17 1998-07-17 収差補正装置、非点収差測定方法及び光ピックアップ

Publications (3)

Publication Number Publication Date
JP2000040249A JP2000040249A (ja) 2000-02-08
JP2000040249A5 true JP2000040249A5 (https=) 2005-04-07
JP3868119B2 JP3868119B2 (ja) 2007-01-17

Family

ID=16482397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20395298A Expired - Fee Related JP3868119B2 (ja) 1998-03-12 1998-07-17 収差補正装置、非点収差測定方法及び光ピックアップ

Country Status (1)

Country Link
JP (1) JP3868119B2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4492035B2 (ja) 2003-04-21 2010-06-30 日本電気株式会社 データ処理装置
US8018814B2 (en) 2004-04-28 2011-09-13 Pioneer Corporation Aberration correction device, aberration correction method and optical pickup
JP2006031829A (ja) 2004-07-16 2006-02-02 Nidec Sankyo Corp 収差補正装置及び光ヘッド装置
US8111594B2 (en) 2004-11-25 2012-02-07 Citizen Holdings Co., Ltd. Optical disk drive and optical pickup having aberration correction means
WO2006104193A1 (ja) * 2005-03-29 2006-10-05 Pioneer Corporation 非点収差の調整方法
WO2006106925A1 (ja) * 2005-03-31 2006-10-12 Pioneer Corporation 収差補正装置、光ピックアップおよび球面収差補正方法
WO2007029645A1 (ja) * 2005-09-06 2007-03-15 Pioneer Corporation 収差補正装置及び収差補正用プログラム
JP4521352B2 (ja) 2005-10-28 2010-08-11 株式会社日立メディアエレクトロニクス 光ピックアップおよび光ディスク装置
WO2007055196A1 (ja) * 2005-11-08 2007-05-18 Nec Corporation 光学式情報記録／再生装置と、光学式情報記録／再生方法

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