JPS5990241A - 光源装置 - Google Patents

光源装置

Info

Publication number
JPS5990241A
JPS5990241A JP57197605A JP19760582A JPS5990241A JP S5990241 A JPS5990241 A JP S5990241A JP 57197605 A JP57197605 A JP 57197605A JP 19760582 A JP19760582 A JP 19760582A JP S5990241 A JPS5990241 A JP S5990241A
Authority
JP
Japan
Prior art keywords
lens
light source
laser
source device
semiconductor laser
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
JP57197605A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531218B2 (enrdf_load_stackoverflow
Inventor
Noriya Kaneda
金田　徳也
Teruaki Tokutomi
徳富　照明
Koichi Yabuuchi
薮内　広一
Sadao Takahashi
高橋　貞夫
Shigeru Nakamura
滋 中村
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 High Tech Corp
Original Assignee
Hitachi Ltd
Hitachi Electronics Engineering 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 Electronics Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP57197605A priority Critical patent/JPS5990241A/ja
Publication of JPS5990241A publication Critical patent/JPS5990241A/ja
Publication of JPH0531218B2 publication Critical patent/JPH0531218B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP57197605A 1982-11-12 1982-11-12 光源装置 Granted JPS5990241A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57197605A JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57197605A JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Publications (2)

Publication Number Publication Date
JPS5990241A true JPS5990241A (ja) 1984-05-24
JPH0531218B2 JPH0531218B2 (enrdf_load_stackoverflow) 1993-05-12

Family

ID=16377245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57197605A Granted JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Country Status (1)

Country Link
JP (1) JPS5990241A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251526U (enrdf_load_stackoverflow) * 1985-09-19 1987-03-31
US7137130B2 (en) 2002-10-08 2006-11-14 Pioneer Corporation Pickup device with heat-radiating mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396344A (en) * 1964-02-24 1968-08-06 Nat Res Dev Semiconductor laser array
JPS51126844A (en) * 1975-04-26 1976-11-05 Yasuhiro Suenaga A mirror holder
JPS5584158A (en) * 1978-12-18 1980-06-25 Nippon Sekigaisen Kogyo Kk Multiple articular reflector system manipulator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396344A (en) * 1964-02-24 1968-08-06 Nat Res Dev Semiconductor laser array
JPS51126844A (en) * 1975-04-26 1976-11-05 Yasuhiro Suenaga A mirror holder
JPS5584158A (en) * 1978-12-18 1980-06-25 Nippon Sekigaisen Kogyo Kk Multiple articular reflector system manipulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251526U (enrdf_load_stackoverflow) * 1985-09-19 1987-03-31
US7137130B2 (en) 2002-10-08 2006-11-14 Pioneer Corporation Pickup device with heat-radiating mechanism

Also Published As

Publication number Publication date
JPH0531218B2 (enrdf_load_stackoverflow) 1993-05-12

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