DE69420214D1 - Optischer Abtastkopf und optischer Detektor dafür - Google Patents

Optischer Abtastkopf und optischer Detektor dafür

Info

Publication number
DE69420214D1
DE69420214D1 DE69420214T DE69420214T DE69420214D1 DE 69420214 D1 DE69420214 D1 DE 69420214D1 DE 69420214 T DE69420214 T DE 69420214T DE 69420214 T DE69420214 T DE 69420214T DE 69420214 D1 DE69420214 D1 DE 69420214D1
Authority
DE
Germany
Prior art keywords
optical
scanning head
detector therefor
optical scanning
optical detector
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 - Fee Related
Application number
DE69420214T
Other languages
English (en)
Other versions
DE69420214T2 (de
Inventor
Hideki Aikoh
Makoto Takashima
Hiroyuki Nakamura
Tohru Nakamura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69420214D1 publication Critical patent/DE69420214D1/de
Application granted granted Critical
Publication of DE69420214T2 publication Critical patent/DE69420214T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
    • H01L27/144—Devices controlled by radiation
    • H01L27/1443—Devices controlled by radiation with at least one potential jump or surface barrier

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Head (AREA)
  • Light Receiving Elements (AREA)
DE69420214T 1993-06-25 1994-06-23 Optischer Abtastkopf und optischer Detektor dafür Expired - Fee Related DE69420214T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15470393 1993-06-25

Publications (2)

Publication Number Publication Date
DE69420214D1 true DE69420214D1 (de) 1999-09-30
DE69420214T2 DE69420214T2 (de) 2000-03-23

Family

ID=15590113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420214T Expired - Fee Related DE69420214T2 (de) 1993-06-25 1994-06-23 Optischer Abtastkopf und optischer Detektor dafür

Country Status (3)

Country Link
US (1) US5532999A (de)
EP (1) EP0634742B1 (de)
DE (1) DE69420214T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648950A (en) * 1994-10-25 1997-07-15 Kabushiki Kaisha Sankyo Seiki Seisakusho Hologram integrated with a beam splitter to separate a plurality of polarized reflected light beams
KR100200857B1 (ko) * 1995-10-04 1999-06-15 윤종용 광픽업장치
GB2312346B (en) * 1996-04-20 2000-07-12 Northern Telecom Ltd Marshalling in optical tdma systems
KR19990036225A (ko) 1996-06-07 1999-05-25 이데이 노부유끼 광 픽업 장치
JP3533836B2 (ja) * 1996-08-08 2004-05-31 ミツミ電機株式会社 光ディスクドライブのミラー信号演算回路
JP3435067B2 (ja) 1998-08-06 2003-08-11 シャープ株式会社 光ピックアップ装置
JP4446507B2 (ja) * 1999-02-03 2010-04-07 株式会社キーエンス 光検出器のヘッド部
JP4156484B2 (ja) * 2003-09-30 2008-09-24 シャープ株式会社 光ピックアップ
JP4379209B2 (ja) 2004-06-07 2009-12-09 ソニー株式会社 光ヘッド装置、記録再生装置、トラッキングエラー信号生成方法
JP4805292B2 (ja) * 2008-02-08 2011-11-02 シャープ株式会社 光ピックアップ装置、再生装置、記録装置およびトラッキングエラー信号生成方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623788A (en) * 1979-07-31 1981-03-06 Fujitsu Ltd Semiconductor light receiving element
JPH0633537Y2 (ja) * 1984-06-30 1994-08-31 ソニ−株式会社 感光性半導体装置
JPH07101517B2 (ja) * 1985-03-19 1995-11-01 松下電器産業株式会社 光検出素子
JPS63103448A (ja) * 1986-10-20 1988-05-09 Sony Corp 光検出器
US5189297A (en) * 1988-08-29 1993-02-23 Santa Barbara Research Center Planar double-layer heterojunction HgCdTe photodiodes and methods for fabricating same
JPH04195938A (ja) * 1990-11-28 1992-07-15 Olympus Optical Co Ltd 光学的情報記録再生装置
JPH04205727A (ja) * 1990-11-29 1992-07-27 Matsushita Electric Ind Co Ltd 光学ヘッド
JP2705326B2 (ja) * 1991-02-19 1998-01-28 日本電気株式会社 光磁気ヘッド装置
JPH0567340A (ja) * 1991-09-09 1993-03-19 Seiko Epson Corp 光学ヘツド及びその信号検出手段
JPH05334712A (ja) * 1992-06-02 1993-12-17 Hitachi Ltd 光情報処理装置

Also Published As

Publication number Publication date
US5532999A (en) 1996-07-02
EP0634742A1 (de) 1995-01-18
EP0634742B1 (de) 1999-08-25
DE69420214T2 (de) 2000-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee