DE60036049D1 - Optische vorrichtung - Google Patents

Optische vorrichtung

Info

Publication number
DE60036049D1
DE60036049D1 DE60036049T DE60036049T DE60036049D1 DE 60036049 D1 DE60036049 D1 DE 60036049D1 DE 60036049 T DE60036049 T DE 60036049T DE 60036049 T DE60036049 T DE 60036049T DE 60036049 D1 DE60036049 D1 DE 60036049D1
Authority
DE
Germany
Prior art keywords
optical device
optical
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
DE60036049T
Other languages
English (en)
Other versions
DE60036049T2 (de
Inventor
Shoichi Takasuka
Shinichi Ijima
Naoki Nakanishi
Hideyuki Nakanishi
Akio Yoshikawa
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 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
Application granted granted Critical
Publication of DE60036049D1 publication Critical patent/DE60036049D1/de
Publication of DE60036049T2 publication Critical patent/DE60036049T2/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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Semiconductor Lasers (AREA)
  • Light Receiving Elements (AREA)
DE60036049T 1999-04-28 2000-04-27 Optische vorrichtung Expired - Fee Related DE60036049T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP12270999 1999-04-28
JP12270999 1999-04-28
JP2000122877A JP2001014717A (ja) 1999-04-28 2000-04-24 光学装置
JP2000122877 2000-04-24

Publications (2)

Publication Number Publication Date
DE60036049D1 true DE60036049D1 (de) 2007-10-04
DE60036049T2 DE60036049T2 (de) 2007-12-06

Family

ID=26459785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60036049T Expired - Fee Related DE60036049T2 (de) 1999-04-28 2000-04-27 Optische vorrichtung

Country Status (6)

Country Link
US (3) US6501601B1 (de)
EP (2) EP1708186A3 (de)
JP (1) JP2001014717A (de)
CN (1) CN1203478C (de)
DE (1) DE60036049T2 (de)
SG (1) SG85174A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0010859D0 (en) * 2000-05-05 2000-06-28 Green B J Method of information emission and apparatus therefor
JP2002116314A (ja) * 2000-10-06 2002-04-19 Sankyo Seiki Mfg Co Ltd 回折素子および光ピックアップ装置
US6692830B2 (en) * 2001-07-31 2004-02-17 Flex Products, Inc. Diffractive pigment flakes and compositions
JP2003199019A (ja) * 2001-12-26 2003-07-11 Sony Corp 撮像装置および方法、記録媒体、並びにプログラム
US7136344B2 (en) * 2003-04-25 2006-11-14 Nec Corporation Optical head device and optical information recording/reproducing apparatus
DE10322238B4 (de) * 2003-05-17 2007-10-31 Carl Zeiss Smt Ag Diffraktives optisches Element sowie Projektionsobjektiv mit einem solchen Element
JP4245995B2 (ja) * 2003-07-02 2009-04-02 株式会社リコー 光ピックアップ及びこれを用いる光情報処理装置
JP4015116B2 (ja) 2004-01-08 2007-11-28 シャープ株式会社 光集積ユニット、光ピックアップ装置および光ディスク装置
KR100906475B1 (ko) * 2004-01-13 2009-07-08 삼성전자주식회사 마이크로 광학벤치 구조물 및 그 제조방법
JP2005322849A (ja) * 2004-05-11 2005-11-17 Nec Compound Semiconductor Devices Ltd 半導体レーザおよびその製造方法
JP3836483B2 (ja) * 2004-08-25 2006-10-25 シャープ株式会社 光集積ユニットおよびそれを備えた光ピックアップ装置
US20060066948A1 (en) * 2004-09-24 2006-03-30 Matsushita Electric Industrial Co., Ltd. Multi-level and gray-level diffraction gratings
US20060082838A1 (en) * 2004-10-18 2006-04-20 Ming-Der Chou Carriage used in image scanning devices
CN101061538A (zh) * 2004-11-16 2007-10-24 松下电器产业株式会社 光拾取装置
KR100692574B1 (ko) 2005-05-11 2007-03-13 삼성전자주식회사 회절소자 및 이를 포함하는 광픽업장치
US7593306B2 (en) * 2004-11-18 2009-09-22 Samsung Electronics Co., Ltd. Diffraction element and optical pick-up apparatus having the same
KR100754517B1 (ko) * 2005-01-20 2007-09-03 삼성전자주식회사 회절소자 및 이를 포함하는 광픽업장치
KR100659293B1 (ko) * 2005-01-20 2006-12-20 삼성전자주식회사 회절소자 및 이를 포함하는 광픽업장치
US20080310283A1 (en) * 2005-07-13 2008-12-18 Arima Devices Corporation Method of Reading Out Information from a Multiple Layer Optical Recording Medium and Optical Readout Device
JP4180073B2 (ja) * 2005-07-28 2008-11-12 シャープ株式会社 光ピックアップ装置
CA2570965A1 (en) 2005-12-15 2007-06-15 Jds Uniphase Corporation Security device with metameric features using diffractive pigment flakes
JP2007172793A (ja) * 2005-12-26 2007-07-05 Sony Corp 光ピックアップ装置および光ディスク装置
JP4729418B2 (ja) * 2006-03-03 2011-07-20 株式会社日立メディアエレクトロニクス 回折格子、光ピックアップ装置、光ディスク装置
JP2007273015A (ja) * 2006-03-31 2007-10-18 Matsushita Electric Ind Co Ltd 光ピックアップ装置
US20070258344A1 (en) * 2006-05-04 2007-11-08 Imation Corp. Simultaneously accessing multiple layers of optical disks
JPWO2008026506A1 (ja) * 2006-08-28 2010-01-21 パナソニック株式会社 光学ヘッドおよび光ディスク装置
KR101450934B1 (ko) * 2007-04-06 2014-10-14 아사히 가라스 가부시키가이샤 광헤드 장치
US8922783B2 (en) * 2007-04-27 2014-12-30 Bodkin Design And Engineering Llc Multiband spatial heterodyne spectrometer and associated methods
JP4951538B2 (ja) 2008-01-21 2012-06-13 株式会社日立メディアエレクトロニクス 光ピックアップ装置および光ディスク装置
US8279525B2 (en) * 2008-05-21 2012-10-02 Lumella, Inc. Three-dimensional diffractive structure, method for making, and applications thereof
CN110098559A (zh) * 2018-01-29 2019-08-06 山东华光光电子股份有限公司 一种半导体激光器壳内准直的装置及方法
CN114335207B (zh) * 2021-12-31 2023-11-24 中山大学 一种基于双层亚波长光栅的锗硅光电探测器

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138625A (ja) 1986-11-29 1988-06-10 Toshiba Corp 電子管
DE3855936T2 (de) 1987-08-24 1998-01-02 Sharp Kk Optische Abtastvorrichtung
JPS6453359A (en) 1987-08-24 1989-03-01 Sharp Kk Optical pickup device
JPH0770065B2 (ja) * 1988-04-20 1995-07-31 シャープ株式会社 光ピックアップ装置
JP2865223B2 (ja) * 1990-12-28 1999-03-08 松下電子工業株式会社 光ピックアップ用偏光板および光ピックアップ装置
TW213519B (de) 1991-08-01 1993-09-21 Philips Nv
EP0582059B1 (de) 1992-06-02 1998-05-13 Nec Corporation Magneto-optische Kopfeinrichtung
US5815293A (en) 1993-02-01 1998-09-29 Matsushita Electric Industrial Co., Ltd. Compound objective lens having two focal points
EP0911822B1 (de) 1993-02-16 2005-12-07 Nec Corporation Optischer Abtastkopf und doppelbrechendes polarisiendes Beugungsgitter und polarizierendes Hologramm
JP2658818B2 (ja) 1993-02-24 1997-09-30 日本電気株式会社 複屈折回折格子型偏光子及び光ヘッド装置
JP3108976B2 (ja) 1993-03-26 2000-11-13 松下電子工業株式会社 光ヘッドのトラッキング誤差検出装置
US5517479A (en) 1993-03-26 1996-05-14 Matsushita Electronics Corporation Optical head including a semiconductor laser having a non-scatter incident area
JPH06325400A (ja) 1993-05-11 1994-11-25 Canon Inc 光学式情報記録再生装置
JP3172360B2 (ja) 1994-05-09 2001-06-04 三洋電機株式会社 ビーム３分割用反射型回折格子およびこれを用いた光ピックアップ
KR100373801B1 (ko) 1994-07-29 2003-05-09 산요 덴키 가부시키가이샤 반도체레이저장치및이를이용한광픽업장치
JPH08124204A (ja) 1994-10-24 1996-05-17 Sanyo Electric Co Ltd 光ピックアップ装置
JP3660415B2 (ja) 1995-02-07 2005-06-15 富士通株式会社 光学記憶装置用光学デバイス
US5835471A (en) 1995-06-12 1998-11-10 Canon Kabushiki Kaisha Optical information recording and/or reproducing apparatus
JPH08339568A (ja) 1995-06-12 1996-12-24 Canon Inc 光学的情報記録再生装置
JPH0980211A (ja) 1995-09-12 1997-03-28 Matsushita Electric Ind Co Ltd 一体光学素子とその製造方法
JP3493855B2 (ja) 1995-12-14 2004-02-03 旭硝子株式会社 光ヘッド装置の製造方法及び製造装置
US5652744A (en) 1996-02-08 1997-07-29 Industrial Technology Research Institute Single surface diffractive element for optical pickup heads
JP3732268B2 (ja) 1996-02-28 2006-01-05 富士通株式会社 光ディスク装置用光学ヘッド
JPH09306054A (ja) 1996-05-20 1997-11-28 Hitachi Ltd 光磁気ディスク装置
US5662744A (en) * 1996-06-05 1997-09-02 Maytag Corporation Wash arm for dishwasher
KR20000015991A (ko) 1996-10-31 2000-03-25 다카노 야스아키 광 픽업 장치
TW350571U (en) 1996-11-23 1999-01-11 Ind Tech Res Inst Optical grille form of optical read head in digital CD-ROM player
JPH10255309A (ja) 1997-03-07 1998-09-25 Sanyo Electric Co Ltd 光ピックアップ装置
JP3658928B2 (ja) 1997-07-09 2005-06-15 旭硝子株式会社 光ヘッド装置
JPH11110782A (ja) 1997-10-01 1999-04-23 Matsushita Electron Corp 半導体レーザ装置
JPH11110781A (ja) 1997-10-01 1999-04-23 Matsushita Electron Corp 半導体レーザ装置
CN1130708C (zh) 1997-10-01 2003-12-10 松下电器产业株式会社 半导体激光装置
JPH11167012A (ja) * 1997-12-03 1999-06-22 Fuji Photo Optical Co Ltd 回折型フィルタ
JP2000011424A (ja) 1998-06-24 2000-01-14 Asahi Glass Co Ltd 光ヘッド装置

Also Published As

Publication number Publication date
CN1203478C (zh) 2005-05-25
DE60036049T2 (de) 2007-12-06
US6728035B2 (en) 2004-04-27
SG85174A1 (en) 2001-12-19
EP1708186A3 (de) 2006-10-18
EP1708186A2 (de) 2006-10-04
JP2001014717A (ja) 2001-01-19
EP1049085B1 (de) 2007-08-22
EP1049085A2 (de) 2000-11-02
EP1049085A3 (de) 2000-12-06
CN1271933A (zh) 2000-11-01
US20030016448A1 (en) 2003-01-23
US6501601B1 (en) 2002-12-31
US20030053211A1 (en) 2003-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8328 Change in the person/name/address of the agent

Representative=s name: HOESSLE PATENTANWAELTE PARTNERSCHAFT, 70173 STUTTG

8339 Ceased/non-payment of the annual fee