JP2001222837A - 光ヘッド及びそれを用いた光学的情報再生装置 - Google Patents

光ヘッド及びそれを用いた光学的情報再生装置

Info

Publication number
JP2001222837A
JP2001222837A JP2000032732A JP2000032732A JP2001222837A JP 2001222837 A JP2001222837 A JP 2001222837A JP 2000032732 A JP2000032732 A JP 2000032732A JP 2000032732 A JP2000032732 A JP 2000032732A JP 2001222837 A JP2001222837 A JP 2001222837A
Authority
JP
Japan
Prior art keywords
lens
optical
optical head
light beam
curvature
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
JP2000032732A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001222837A5 (enExample
Inventor
Nobuo Arai
信夫 新井
Kunikazu Onishi
邦一 大西
Hideo Suenaga
秀夫 末永
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.)
Hitachi Ltd
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Media Electronics 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 Hitachi Ltd, Hitachi Media Electronics Co Ltd filed Critical Hitachi Ltd
Priority to JP2000032732A priority Critical patent/JP2001222837A/ja
Publication of JP2001222837A publication Critical patent/JP2001222837A/ja
Publication of JP2001222837A5 publication Critical patent/JP2001222837A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP2000032732A 2000-02-04 2000-02-04 光ヘッド及びそれを用いた光学的情報再生装置 Pending JP2001222837A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000032732A JP2001222837A (ja) 2000-02-04 2000-02-04 光ヘッド及びそれを用いた光学的情報再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000032732A JP2001222837A (ja) 2000-02-04 2000-02-04 光ヘッド及びそれを用いた光学的情報再生装置

Publications (2)

Publication Number Publication Date
JP2001222837A true JP2001222837A (ja) 2001-08-17
JP2001222837A5 JP2001222837A5 (enExample) 2006-07-06

Family

ID=18557295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000032732A Pending JP2001222837A (ja) 2000-02-04 2000-02-04 光ヘッド及びそれを用いた光学的情報再生装置

Country Status (1)

Country Link
JP (1) JP2001222837A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022518100A (ja) * 2018-11-15 2022-03-14 エヌライト， インコーポレイテッド 高出力レーザダイオードパッケージ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022518100A (ja) * 2018-11-15 2022-03-14 エヌライト， インコーポレイテッド 高出力レーザダイオードパッケージ
JP7362736B2 (ja) 2018-11-15 2023-10-17 エヌライト， インコーポレイテッド 高出力レーザダイオードパッケージ

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