JP2002319167A5 - - Google Patents

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Publication number
JP2002319167A5
JP2002319167A5 JP2001123807A JP2001123807A JP2002319167A5 JP 2002319167 A5 JP2002319167 A5 JP 2002319167A5 JP 2001123807 A JP2001123807 A JP 2001123807A JP 2001123807 A JP2001123807 A JP 2001123807A JP 2002319167 A5 JP2002319167 A5 JP 2002319167A5
Authority
JP
Japan
Prior art keywords
housing
collimating lens
lens
disposed
optical
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
JP2001123807A
Other languages
Japanese (ja)
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JP2002319167A (en
JP3813461B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001123807A priority Critical patent/JP3813461B2/en
Priority claimed from JP2001123807A external-priority patent/JP3813461B2/en
Publication of JP2002319167A publication Critical patent/JP2002319167A/en
Publication of JP2002319167A5 publication Critical patent/JP2002319167A5/ja
Application granted granted Critical
Publication of JP3813461B2 publication Critical patent/JP3813461B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (1)

半導体レーザー素子より放射するレーザービームをコリメートレンズを介して対物レンズにより収束させて記録媒体に照射し、前記記録媒体からの反射光を受光素子にて受光すると共に、前記半導体レーザー素子を含む光学素子が搭載されるハウジングに対物レンズをフォーカス方向及びトラッキング方向に駆動するアクチュエーターを取付けて構成される光ピックアップ装置において、前記コリメートレンズはハウジングの上面に配置され、ハウジングの上面にはハウジング内部の光学素子が配置される光路空間内の空気を放熱する放熱用孔が前記コリメートレンズの周りを囲うように複数設けられたことを特徴とする光ピックアップ装置。A laser beam emitted from a semiconductor laser element is converged by an objective lens through a collimating lens and irradiated onto a recording medium, and reflected light from the recording medium is received by a light receiving element, and an optical element including the semiconductor laser element In an optical pickup device configured by mounting an actuator for driving an objective lens in a focusing direction and a tracking direction on a housing in which the lens is mounted, the collimating lens is disposed on an upper surface of the housing, and an optical element in the housing is disposed on the upper surface of the housing. An optical pickup device comprising a plurality of heat radiation holes for radiating air in an optical path space in which the collimating lens is disposed so as to surround the collimating lens .
JP2001123807A 2001-04-23 2001-04-23 Optical pickup device Expired - Fee Related JP3813461B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001123807A JP3813461B2 (en) 2001-04-23 2001-04-23 Optical pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001123807A JP3813461B2 (en) 2001-04-23 2001-04-23 Optical pickup device

Publications (3)

Publication Number Publication Date
JP2002319167A JP2002319167A (en) 2002-10-31
JP2002319167A5 true JP2002319167A5 (en) 2005-05-19
JP3813461B2 JP3813461B2 (en) 2006-08-23

Family

ID=18973296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001123807A Expired - Fee Related JP3813461B2 (en) 2001-04-23 2001-04-23 Optical pickup device

Country Status (1)

Country Link
JP (1) JP3813461B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100416675C (en) * 2004-12-28 2008-09-03 东芝三星储存科技股份有限公司 Optical pick-up apparatus and optical disk apparatus
JP4117312B2 (en) 2004-12-28 2008-07-16 東芝サムスン ストレージ・テクノロジー株式会社 Optical pickup device

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