JP2000249831A5 - - Google Patents

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Publication number
JP2000249831A5
JP2000249831A5 JP1999050998A JP5099899A JP2000249831A5 JP 2000249831 A5 JP2000249831 A5 JP 2000249831A5 JP 1999050998 A JP1999050998 A JP 1999050998A JP 5099899 A JP5099899 A JP 5099899A JP 2000249831 A5 JP2000249831 A5 JP 2000249831A5
Authority
JP
Japan
Prior art keywords
optical
optical element
semiconductor laser
adhering
optical disk
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
JP1999050998A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000249831A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP11050998A priority Critical patent/JP2000249831A/ja
Priority claimed from JP11050998A external-priority patent/JP2000249831A/ja
Publication of JP2000249831A publication Critical patent/JP2000249831A/ja
Publication of JP2000249831A5 publication Critical patent/JP2000249831A5/ja
Pending legal-status Critical Current

Links

JP11050998A 1999-02-26 1999-02-26 光学素子及び光ヘッド装置 Pending JP2000249831A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11050998A JP2000249831A (ja) 1999-02-26 1999-02-26 光学素子及び光ヘッド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11050998A JP2000249831A (ja) 1999-02-26 1999-02-26 光学素子及び光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2000249831A JP2000249831A (ja) 2000-09-14
JP2000249831A5 true JP2000249831A5 (enExample) 2005-07-07

Family

ID=12874469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11050998A Pending JP2000249831A (ja) 1999-02-26 1999-02-26 光学素子及び光ヘッド装置

Country Status (1)

Country Link
JP (1) JP2000249831A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580674B1 (en) 1999-08-26 2003-06-17 Asahi Glass Company, Limited Phase shifter and optical head device mounted with the same
WO2003019247A1 (en) 2001-08-24 2003-03-06 Asahi Glass Company, Limited Multi-layer diffraction type polarizer and liquid crystal element
US7548359B2 (en) * 2002-11-13 2009-06-16 Asahi Glass Company, Limited Double-wavelength light source unit and optical head device having four diffraction gratings
JP2006106726A (ja) * 2004-09-13 2006-04-20 Hitachi Maxell Ltd 偏光回折素子
JP2006114201A (ja) * 2004-09-14 2006-04-27 Hitachi Maxell Ltd 偏光回折素子及び光ヘッド装置
JP2006252638A (ja) * 2005-03-09 2006-09-21 Asahi Glass Co Ltd 偏光回折素子および光ヘッド装置
JP2008164859A (ja) * 2006-12-27 2008-07-17 Ricoh Co Ltd 作像エンジンおよび投射装置

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