TWI316247B - Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction - Google Patents

Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction

Info

Publication number
TWI316247B
TWI316247B TW094108947A TW94108947A TWI316247B TW I316247 B TWI316247 B TW I316247B TW 094108947 A TW094108947 A TW 094108947A TW 94108947 A TW94108947 A TW 94108947A TW I316247 B TWI316247 B TW I316247B
Authority
TW
Taiwan
Prior art keywords
optical recording
optical
reproduction
light
receiving element
Prior art date
Application number
TW094108947A
Other languages
English (en)
Other versions
TW200540853A (en
Inventor
Giichi Shibuya
Teiichiro Oka
Koji Mishima
Daisuke Yoshitoku
Kenji Yamaga
Original Assignee
Tdk 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 Tdk Corp filed Critical Tdk Corp
Publication of TW200540853A publication Critical patent/TW200540853A/zh
Application granted granted Critical
Publication of TWI316247B publication Critical patent/TWI316247B/zh

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
    • G11B7/133—Shape of individual detector 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
TW094108947A 2004-04-15 2005-03-23 Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction TWI316247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004120671A JP4037843B2 (ja) 2004-04-15 2004-04-15 受光素子、光ヘッド及び光記録再生装置並びに光記録再生方法

Publications (2)

Publication Number Publication Date
TW200540853A TW200540853A (en) 2005-12-16
TWI316247B true TWI316247B (en) 2009-10-21

Family

ID=35136278

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094108947A TWI316247B (en) 2004-04-15 2005-03-23 Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction

Country Status (4)

Country Link
US (1) US7447139B2 (zh)
JP (1) JP4037843B2 (zh)
CN (1) CN100423100C (zh)
TW (1) TWI316247B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4768655B2 (ja) * 2007-03-19 2011-09-07 シャープ株式会社 光ピックアップ装置
KR20090043883A (ko) * 2007-10-30 2009-05-07 삼성전자주식회사 광픽업 및 이를 채용한 광정보저장매체 시스템
JP6540931B1 (ja) * 2018-10-11 2019-07-10 Tdk株式会社 積和演算器、論理演算デバイス、ニューロモーフィックデバイス及び積和演算方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2624255B2 (ja) 1987-06-09 1997-06-25 オリンパス光学工業株式会社 光記録再生装置
JPH0677336B2 (ja) 1988-12-09 1994-09-28 シャープ株式会社 光ピックアップ装置
US5774444A (en) * 1990-05-25 1998-06-30 Hitachi, Ltd. Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam
JPH04205728A (ja) * 1990-11-29 1992-07-27 Pioneer Electron Corp トラッキング誤差検出装置
JPH0536146A (ja) 1991-07-27 1993-02-12 Ricoh Co Ltd 磁気ヘツド制御装置
JPH0950640A (ja) 1995-05-31 1997-02-18 Hitachi Ltd 光情報処理装置
JPH10261238A (ja) 1997-01-20 1998-09-29 Ricoh Co Ltd 光ピックアップ装置
JPH1116200A (ja) 1997-06-26 1999-01-22 Nippon Columbia Co Ltd 光ピックアップ
JP3879896B2 (ja) * 2000-09-07 2007-02-14 パイオニア株式会社 光ピックアップ装置及び焦点誤差検出方法
JP2002117536A (ja) * 2000-10-06 2002-04-19 Matsushita Electric Ind Co Ltd 光ディスク装置
JP2002131618A (ja) 2000-10-19 2002-05-09 Mitsutoyo Corp フォーカス検出機構
JP2002319177A (ja) 2001-04-24 2002-10-31 Hitachi Ltd 光ヘッドおよび光ディスク装置
JP2003077130A (ja) * 2001-08-31 2003-03-14 Matsushita Electric Ind Co Ltd 光ディスクドライブ装置
US7193955B2 (en) * 2003-03-20 2007-03-20 Matsushita Electric Industrial Co., Ltd. Optical head device and optical information reproducing device
JP2005122795A (ja) 2003-10-15 2005-05-12 Canon Inc 光学的記録再生装置および記録再生方法
JP2005135459A (ja) * 2003-10-28 2005-05-26 Hitachi Ltd 情報記録方法及び情報記録装置

Also Published As

Publication number Publication date
JP4037843B2 (ja) 2008-01-23
US20050237904A1 (en) 2005-10-27
CN100423100C (zh) 2008-10-01
TW200540853A (en) 2005-12-16
CN1684166A (zh) 2005-10-19
US7447139B2 (en) 2008-11-04
JP2005302237A (ja) 2005-10-27

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