JP4098989B2 - 光ヘッド用対物レンズ - Google Patents

光ヘッド用対物レンズ Download PDF

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Publication number
JP4098989B2
JP4098989B2 JP2002043525A JP2002043525A JP4098989B2 JP 4098989 B2 JP4098989 B2 JP 4098989B2 JP 2002043525 A JP2002043525 A JP 2002043525A JP 2002043525 A JP2002043525 A JP 2002043525A JP 4098989 B2 JP4098989 B2 JP 4098989B2
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Japan
Prior art keywords
order
wavelength
light
objective lens
recording density
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Expired - Fee Related
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JP2002043525A
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English (en)
Japanese (ja)
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JP2002333576A5 (enExample
JP2002333576A (ja
Inventor
修一 竹内
晃一 丸山
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ペンタックス株式会社
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Priority to JP2002043525A priority Critical patent/JP4098989B2/ja
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Publication of JP2002333576A5 publication Critical patent/JP2002333576A5/ja
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Publication of JP4098989B2 publication Critical patent/JP4098989B2/ja
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  • Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Head (AREA)
JP2002043525A 2001-03-09 2002-02-20 光ヘッド用対物レンズ Expired - Fee Related JP4098989B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002043525A JP4098989B2 (ja) 2001-03-09 2002-02-20 光ヘッド用対物レンズ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001067319 2001-03-09
JP2001-67319 2001-03-09
JP2002043525A JP4098989B2 (ja) 2001-03-09 2002-02-20 光ヘッド用対物レンズ

Publications (3)

Publication Number Publication Date
JP2002333576A JP2002333576A (ja) 2002-11-22
JP2002333576A5 JP2002333576A5 (enExample) 2005-07-07
JP4098989B2 true JP4098989B2 (ja) 2008-06-11

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JP2002043525A Expired - Fee Related JP4098989B2 (ja) 2001-03-09 2002-02-20 光ヘッド用対物レンズ

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JP (1) JP4098989B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7193954B2 (en) * 2003-03-31 2007-03-20 Konica Minolta Holding, Inc. Optical pickup device and objective lens for the optical pickup device
WO2004090598A1 (ja) * 2003-04-03 2004-10-21 Nalux Co., Ltd. 結像光学素子およびその設計方法
CN100407313C (zh) 2003-04-25 2008-07-30 宾得株式会社 光学拾波器的光学系统
JP4730612B2 (ja) * 2006-08-18 2011-07-20 コニカミノルタオプト株式会社 光ピックアップ装置
JP2009020988A (ja) * 2007-06-15 2009-01-29 Sanyo Electric Co Ltd 光ピックアップ装置
JP2009187671A (ja) * 2009-05-29 2009-08-20 Konica Minolta Opto Inc 回折光学素子、光ピックアップ装置及び光情報記録再生装置
JP5441014B2 (ja) * 2010-11-04 2014-03-12 コニカミノルタ株式会社 光ピックアップ装置用の対物レンズ及び光ピックアップ装置

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Publication number Publication date
JP2002333576A (ja) 2002-11-22

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