JP2008077752A - 光ピックアップ - Google Patents

光ピックアップ Download PDF

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Publication number
JP2008077752A
JP2008077752A JP2006255586A JP2006255586A JP2008077752A JP 2008077752 A JP2008077752 A JP 2008077752A JP 2006255586 A JP2006255586 A JP 2006255586A JP 2006255586 A JP2006255586 A JP 2006255586A JP 2008077752 A JP2008077752 A JP 2008077752A
Authority
JP
Japan
Prior art keywords
light
optical
wavelength
objective lens
center
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
JP2006255586A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008077752A5 (enExample
Inventor
Junichi Asada
潤一 麻田
Kazuo Momoo
和雄 百尾
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2006255586A priority Critical patent/JP2008077752A/ja
Publication of JP2008077752A publication Critical patent/JP2008077752A/ja
Publication of JP2008077752A5 publication Critical patent/JP2008077752A5/ja
Pending legal-status Critical Current

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JP2006255586A 2006-09-21 2006-09-21 光ピックアップ Pending JP2008077752A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006255586A JP2008077752A (ja) 2006-09-21 2006-09-21 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006255586A JP2008077752A (ja) 2006-09-21 2006-09-21 光ピックアップ

Publications (2)

Publication Number Publication Date
JP2008077752A true JP2008077752A (ja) 2008-04-03
JP2008077752A5 JP2008077752A5 (enExample) 2009-10-01

Family

ID=39349651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006255586A Pending JP2008077752A (ja) 2006-09-21 2006-09-21 光ピックアップ

Country Status (1)

Country Link
JP (1) JP2008077752A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497820A (ja) * 1990-08-16 1992-03-30 Denki Kagaku Kogyo Kk 飽和ポリエステル樹脂製壜体及びその製造方法
JP2005038585A (ja) * 2003-06-30 2005-02-10 Konica Minolta Opto Inc 光ピックアップ装置、集光光学系及び光学素子

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0497820A (ja) * 1990-08-16 1992-03-30 Denki Kagaku Kogyo Kk 飽和ポリエステル樹脂製壜体及びその製造方法
JP2005038585A (ja) * 2003-06-30 2005-02-10 Konica Minolta Opto Inc 光ピックアップ装置、集光光学系及び光学素子

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