JP3905960B2 - 光ヘッド及び光ディスク装置 - Google Patents

光ヘッド及び光ディスク装置 Download PDF

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Publication number
JP3905960B2
JP3905960B2 JP29869697A JP29869697A JP3905960B2 JP 3905960 B2 JP3905960 B2 JP 3905960B2 JP 29869697 A JP29869697 A JP 29869697A JP 29869697 A JP29869697 A JP 29869697A JP 3905960 B2 JP3905960 B2 JP 3905960B2
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Japan
Prior art keywords
light
light source
optical
light beam
objective lens
Prior art date
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Expired - Fee Related
Application number
JP29869697A
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English (en)
Japanese (ja)
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JPH1139691A (ja
JPH1139691A5 (enExample
Inventor
峰春 内山
功 星野
一成 森
義晴 今岡
邦夫 近江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
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Toshiba Corp
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Priority to JP29869697A priority Critical patent/JP3905960B2/ja
Publication of JPH1139691A publication Critical patent/JPH1139691A/ja
Publication of JPH1139691A5 publication Critical patent/JPH1139691A5/ja
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Publication of JP3905960B2 publication Critical patent/JP3905960B2/ja
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JP29869697A 1996-10-30 1997-10-30 光ヘッド及び光ディスク装置 Expired - Fee Related JP3905960B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29869697A JP3905960B2 (ja) 1996-10-30 1997-10-30 光ヘッド及び光ディスク装置

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP28833196 1996-10-30
JP8-288331 1996-10-30
JP9-127397 1997-05-16
JP12739797 1997-05-16
JP12960497 1997-05-20
JP9-129604 1997-05-20
JP29869697A JP3905960B2 (ja) 1996-10-30 1997-10-30 光ヘッド及び光ディスク装置

Publications (3)

Publication Number Publication Date
JPH1139691A JPH1139691A (ja) 1999-02-12
JPH1139691A5 JPH1139691A5 (enExample) 2005-04-21
JP3905960B2 true JP3905960B2 (ja) 2007-04-18

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ID=27471299

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29869697A Expired - Fee Related JP3905960B2 (ja) 1996-10-30 1997-10-30 光ヘッド及び光ディスク装置

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JP (1) JP3905960B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003091857A (ja) * 2001-09-19 2003-03-28 Ricoh Co Ltd 光ピックアップ装置および光ディスクドライブ装置
US8496786B2 (en) * 2009-12-15 2013-07-30 Stone & Webster Process Technology, Inc. Heavy feed mixer
JP4940319B2 (ja) * 2010-03-12 2012-05-30 株式会社日立メディアエレクトロニクス 光ピックアップ

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Publication number Publication date
JPH1139691A (ja) 1999-02-12

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