JP2000028918A5 - - Google Patents

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Publication number
JP2000028918A5
JP2000028918A5 JP1998213462A JP21346298A JP2000028918A5 JP 2000028918 A5 JP2000028918 A5 JP 2000028918A5 JP 1998213462 A JP1998213462 A JP 1998213462A JP 21346298 A JP21346298 A JP 21346298A JP 2000028918 A5 JP2000028918 A5 JP 2000028918A5
Authority
JP
Japan
Prior art keywords
divided
astigmatism
objective lens
optical axis
divided surface
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
JP1998213462A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000028918A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP10213462A priority Critical patent/JP2000028918A/ja
Priority claimed from JP10213462A external-priority patent/JP2000028918A/ja
Publication of JP2000028918A publication Critical patent/JP2000028918A/ja
Publication of JP2000028918A5 publication Critical patent/JP2000028918A5/ja
Pending legal-status Critical Current

Links

JP10213462A 1998-07-14 1998-07-14 光ピックアップ装置用集光光学系 Pending JP2000028918A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10213462A JP2000028918A (ja) 1998-07-14 1998-07-14 光ピックアップ装置用集光光学系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10213462A JP2000028918A (ja) 1998-07-14 1998-07-14 光ピックアップ装置用集光光学系

Publications (2)

Publication Number Publication Date
JP2000028918A JP2000028918A (ja) 2000-01-28
JP2000028918A5 true JP2000028918A5 (https=) 2005-10-20

Family

ID=16639618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10213462A Pending JP2000028918A (ja) 1998-07-14 1998-07-14 光ピックアップ装置用集光光学系

Country Status (1)

Country Link
JP (1) JP2000028918A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2341681A1 (en) 1999-06-23 2000-12-28 Matsushita Electric Industrial Co., Ltd. Objective lens for optical disk, optical head device and optical information recording and reproducing apparatus using the same, and mold for molding lens, method for working the mold for molding lens, and profile measuring device for measuring profile of the mold for molding lens
KR20060110273A (ko) * 2003-12-25 2006-10-24 코니카 미놀타 옵토 인코포레이티드 대물 렌즈, 광픽업 장치 및 광정보 기록 재생 장치
JP5435471B2 (ja) * 2009-11-11 2014-03-05 古河電気工業株式会社 半導体レーザモジュール

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