DE3627984C2 - - Google Patents

Info

Publication number
DE3627984C2
DE3627984C2 DE3627984A DE3627984A DE3627984C2 DE 3627984 C2 DE3627984 C2 DE 3627984C2 DE 3627984 A DE3627984 A DE 3627984A DE 3627984 A DE3627984 A DE 3627984A DE 3627984 C2 DE3627984 C2 DE 3627984C2
Authority
DE
Germany
Prior art keywords
waveguide layer
laser diode
semiconductor laser
light
optical head
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.)
Expired
Application number
DE3627984A
Other languages
German (de)
English (en)
Other versions
DE3627984A1 (de
Inventor
Hiroshi Toyonaka Osaka Jp Nishihara
Toshiaki Suita Osaka Jp Suhara
Shiro Hine
Natsuro Itami Hyogo Jp Tsubouchi
Keizo Nagaokakyo Kyoto Jp Kono
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3627984A1 publication Critical patent/DE3627984A1/de
Application granted granted Critical
Publication of DE3627984C2 publication Critical patent/DE3627984C2/de
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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1384—Fibre optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12004—Combinations of two or more optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • G11B7/1245—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides the waveguides including means for electro-optical or acousto-optical deflection

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Head (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Couplings Of Light Guides (AREA)
DE19863627984 1985-09-02 1986-08-18 Optischer kopf Granted DE3627984A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60194354A JPS6254203A (ja) 1985-09-02 1985-09-02 光学式ヘツド装置

Publications (2)

Publication Number Publication Date
DE3627984A1 DE3627984A1 (de) 1987-03-19
DE3627984C2 true DE3627984C2 (enExample) 1988-06-09

Family

ID=16323184

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863627984 Granted DE3627984A1 (de) 1985-09-02 1986-08-18 Optischer kopf

Country Status (2)

Country Link
JP (1) JPS6254203A (enExample)
DE (1) DE3627984A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2544207Y2 (ja) * 1988-05-17 1997-08-13 三洋電機株式会社 集積型光ピックアップ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123761A (ja) * 1982-01-18 1983-07-23 Fujitsu Ltd 光集積回路及びその製法
JPS58130448A (ja) * 1982-01-28 1983-08-03 Toshiba Corp 光学的情報読取装置の回折格子レンズ
JPS60137038A (ja) * 1983-12-26 1985-07-20 Toshiba Corp 半導体ウエ−ハのへき開方法
EP0174008B1 (en) * 1984-09-03 1992-05-20 Omron Tateisi Electronics Co. Device for processing optical data
DE3546795C2 (enExample) * 1984-10-01 1993-09-23 Mitsubishi Denki K.K., Tokio/Tokyo, Jp

Also Published As

Publication number Publication date
JPS6254203A (ja) 1987-03-09
DE3627984A1 (de) 1987-03-19

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee