JP2005004964A - 光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法 - Google Patents

光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法 Download PDF

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JP2005004964A
JP2005004964A JP2004284477A JP2004284477A JP2005004964A JP 2005004964 A JP2005004964 A JP 2005004964A JP 2004284477 A JP2004284477 A JP 2004284477A JP 2004284477 A JP2004284477 A JP 2004284477A JP 2005004964 A JP2005004964 A JP 2005004964A
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Japan
Prior art keywords
light
wavelength
semiconductor laser
optical
wave plate
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JP2004284477A
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Japanese (ja)
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JP2005004964A5 (enrdf_load_stackoverflow
Inventor
Yasuo Kitaoka
康夫 北岡
Kenichi Kasasumi
研一 笠澄
Katsuhiko Kumakawa
克彦 熊川
Kazuhisa Yamamoto
和久 山本
Hidehiko Wada
秀彦 和田
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority to JP2004284477A priority Critical patent/JP2005004964A/ja
Publication of JP2005004964A publication Critical patent/JP2005004964A/ja
Publication of JP2005004964A5 publication Critical patent/JP2005004964A5/ja
Withdrawn legal-status Critical Current

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JP2004284477A 1999-01-19 2004-09-29 光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法 Withdrawn JP2005004964A (ja)

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JP2004284477A JP2005004964A (ja) 1999-01-19 2004-09-29 光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1120999 1999-01-19
JP2004284477A JP2005004964A (ja) 1999-01-19 2004-09-29 光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法

Related Parent Applications (1)

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JP2000001525A Division JP2000276766A (ja) 1999-01-19 2000-01-07 光ピックアップ及びそれを具備した光情報記録再生装置、並びにそれらに用いられる位相可変型波長板

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JP2005004964A true JP2005004964A (ja) 2005-01-06
JP2005004964A5 JP2005004964A5 (enrdf_load_stackoverflow) 2005-12-08

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JP2004284477A Withdrawn JP2005004964A (ja) 1999-01-19 2004-09-29 光ピックアップ、多波長半導体レーザユニット及び光情報記録再生方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006236549A (ja) * 2005-01-31 2006-09-07 Asahi Glass Co Ltd 光ヘッド装置、広帯域位相板および偏光回折素子
KR100737859B1 (ko) * 2005-06-07 2007-07-12 삼성전자주식회사 광 기록/재생장치
JP2007188577A (ja) * 2006-01-12 2007-07-26 Matsushita Electric Ind Co Ltd 光ピックアップおよび当該光ピックアップを備えた光情報記憶装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006236549A (ja) * 2005-01-31 2006-09-07 Asahi Glass Co Ltd 光ヘッド装置、広帯域位相板および偏光回折素子
KR100737859B1 (ko) * 2005-06-07 2007-07-12 삼성전자주식회사 광 기록/재생장치
US7606135B2 (en) 2005-06-07 2009-10-20 Samsung Electronics Co., Ltd. Optical recording/reproducing apparatus capable of recording/reproducing information onto/from various types of optical recording media of different recording densities and different thicknesses
JP2007188577A (ja) * 2006-01-12 2007-07-26 Matsushita Electric Ind Co Ltd 光ピックアップおよび当該光ピックアップを備えた光情報記憶装置

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