JP4088949B2 - 対物レンズおよび光ピックアップ装置 - Google Patents

対物レンズおよび光ピックアップ装置 Download PDF

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Publication number
JP4088949B2
JP4088949B2 JP2001086720A JP2001086720A JP4088949B2 JP 4088949 B2 JP4088949 B2 JP 4088949B2 JP 2001086720 A JP2001086720 A JP 2001086720A JP 2001086720 A JP2001086720 A JP 2001086720A JP 4088949 B2 JP4088949 B2 JP 4088949B2
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Japan
Prior art keywords
optical
information recording
recording medium
optical information
light
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Expired - Fee Related
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JP2001086720A
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English (en)
Japanese (ja)
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JP2001338431A (ja
JP2001338431A5 (enExample
Inventor
耕平 大田
俊之 小嶋
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
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Konica Minolta Inc
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Priority to JP2001086720A priority Critical patent/JP4088949B2/ja
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Publication of JP2001338431A5 publication Critical patent/JP2001338431A5/ja
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Publication of JP4088949B2 publication Critical patent/JP4088949B2/ja
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JP2001086720A 2000-03-24 2001-03-26 対物レンズおよび光ピックアップ装置 Expired - Fee Related JP4088949B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001086720A JP4088949B2 (ja) 2000-03-24 2001-03-26 対物レンズおよび光ピックアップ装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000083761 2000-03-24
JP2000-83761 2000-03-24
JP2001086720A JP4088949B2 (ja) 2000-03-24 2001-03-26 対物レンズおよび光ピックアップ装置

Related Child Applications (1)

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JP2007208730A Division JP4117503B2 (ja) 2000-03-24 2007-08-10 対物レンズ及び光ピックアップ装置

Publications (3)

Publication Number Publication Date
JP2001338431A JP2001338431A (ja) 2001-12-07
JP2001338431A5 JP2001338431A5 (enExample) 2007-12-06
JP4088949B2 true JP4088949B2 (ja) 2008-05-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001086720A Expired - Fee Related JP4088949B2 (ja) 2000-03-24 2001-03-26 対物レンズおよび光ピックアップ装置

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JP (1) JP4088949B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4562327B2 (ja) * 2000-09-27 2010-10-13 Ｈｏｙａ株式会社 光ヘッドの光学系および光ヘッド用対物レンズ
US6873590B2 (en) 2001-03-09 2005-03-29 Pentax Corporation Objective lens for optical pick-up
JP2003322793A (ja) * 2002-05-08 2003-11-14 Pentax Corp 光ヘッド用対物レンズ
JP4488334B2 (ja) 2003-01-09 2010-06-23 Ｈｏｙａ株式会社 光ディスク用対物レンズ
JP2004264815A (ja) * 2003-02-13 2004-09-24 Konica Minolta Holdings Inc 対物レンズ、光ピックアップ装置及び光情報記録再生装置
JP2006114081A (ja) * 2004-10-12 2006-04-27 Konica Minolta Opto Inc 対物レンズ及び光ピックアップ装置

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JP2001338431A (ja) 2001-12-07

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