WO2005003820A1 - ビーム整形光学装置、光ヘッド及び光情報媒体駆動装置 - Google Patents

ビーム整形光学装置、光ヘッド及び光情報媒体駆動装置

Info

Publication number
WO2005003820A1
WO2005003820A1 PCT/JP2004/009896 JP2004009896W WO2005003820A1 WO 2005003820 A1 WO2005003820 A1 WO 2005003820A1 JP 2004009896 W JP2004009896 W JP 2004009896W WO 2005003820 A1 WO2005003820 A1 WO 2005003820A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
barrel
optical
face
grooves
Prior art date
Application number
PCT/JP2004/009896
Other languages
English (en)
French (fr)
Other versions
WO2005003820A2 (ja
WO2005003820A3 (ja
Inventor
Eishin Mori
Keiichi Matsuzaki
Hidenori Wada
Hideki Hayashi
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 JP2005511440A priority Critical patent/JPWO2005003820A1/ja
Priority to US10/542,361 priority patent/US7529043B2/en
Priority to EP04747364A priority patent/EP1662292A2/en
Publication of WO2005003820A2 publication Critical patent/WO2005003820A2/ja
Publication of WO2005003820A1 publication Critical patent/WO2005003820A1/ja
Publication of WO2005003820A3 publication Critical patent/WO2005003820A3/ja

Links

PCT/JP2004/009896 2003-07-08 2004-07-06 ビーム整形光学装置、光ヘッド及び光情報媒体駆動装置 WO2005003820A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005511440A JPWO2005003820A1 (ja) 2003-07-08 2004-07-06 ビーム整形光学装置、光ヘッド及び光情報媒体駆動装置
US10/542,361 US7529043B2 (en) 2003-07-08 2004-07-06 Beam shaping optical device, optical head, and optical information medium drive unit
EP04747364A EP1662292A2 (en) 2003-07-08 2004-07-06 Beam shaping optical device, optical head, and optical information medium drive device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003271801 2003-07-08
JP2003-271801 2003-07-08
JP2003-312894 2003-09-04
JP2003312894 2003-09-04

Publications (3)

Publication Number Publication Date
WO2005003820A2 WO2005003820A2 (ja) 2005-01-13
WO2005003820A1 true WO2005003820A1 (ja) 2005-01-13
WO2005003820A3 WO2005003820A3 (ja) 2005-03-03

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101354478B1 (ko) * 2009-12-21 2014-01-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 광학 적층체 및 그 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101354478B1 (ko) * 2009-12-21 2014-01-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 광학 적층체 및 그 제조방법

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