JP2004281050A5 - - Google Patents

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Publication number
JP2004281050A5
JP2004281050A5 JP2004164262A JP2004164262A JP2004281050A5 JP 2004281050 A5 JP2004281050 A5 JP 2004281050A5 JP 2004164262 A JP2004164262 A JP 2004164262A JP 2004164262 A JP2004164262 A JP 2004164262A JP 2004281050 A5 JP2004281050 A5 JP 2004281050A5
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JP
Japan
Prior art keywords
light
information medium
substrate
thickness
objective lens
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
JP2004164262A
Other languages
English (en)
Japanese (ja)
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JP2004281050A (ja
JP4201196B2 (ja
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Publication date
Application filed filed Critical
Priority to JP2004164262A priority Critical patent/JP4201196B2/ja
Priority claimed from JP2004164262A external-priority patent/JP4201196B2/ja
Publication of JP2004281050A publication Critical patent/JP2004281050A/ja
Publication of JP2004281050A5 publication Critical patent/JP2004281050A5/ja
Application granted granted Critical
Publication of JP4201196B2 publication Critical patent/JP4201196B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2004164262A 1995-05-30 2004-06-02 光ヘッド装置および光ディスク装置 Expired - Lifetime JP4201196B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004164262A JP4201196B2 (ja) 1995-05-30 2004-06-02 光ヘッド装置および光ディスク装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13136095 1995-05-30
JP2004164262A JP4201196B2 (ja) 1995-05-30 2004-06-02 光ヘッド装置および光ディスク装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2003293771A Division JP2004039248A (ja) 1995-05-30 2003-08-15 対物レンズ、光ヘッド装置および光ディスク装置

Publications (3)

Publication Number Publication Date
JP2004281050A JP2004281050A (ja) 2004-10-07
JP2004281050A5 true JP2004281050A5 (enrdf_load_stackoverflow) 2007-04-19
JP4201196B2 JP4201196B2 (ja) 2008-12-24

Family

ID=33301327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004164262A Expired - Lifetime JP4201196B2 (ja) 1995-05-30 2004-06-02 光ヘッド装置および光ディスク装置

Country Status (1)

Country Link
JP (1) JP4201196B2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006043687A1 (en) * 2004-10-22 2006-04-27 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device

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