ATE506675T1 - Optischer lesekopf und optische vorrichtung - Google Patents

Optischer lesekopf und optische vorrichtung

Info

Publication number
ATE506675T1
ATE506675T1 AT09008978T AT09008978T ATE506675T1 AT E506675 T1 ATE506675 T1 AT E506675T1 AT 09008978 T AT09008978 T AT 09008978T AT 09008978 T AT09008978 T AT 09008978T AT E506675 T1 ATE506675 T1 AT E506675T1
Authority
AT
Austria
Prior art keywords
wavelength
optical
reading head
diffracts
light
Prior art date
Application number
AT09008978T
Other languages
English (en)
Inventor
Minoru Ohyama
Takahiro Kaneko
Original Assignee
Victor Company Of Japan
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 Victor Company Of Japan filed Critical Victor Company Of Japan
Application granted granted Critical
Publication of ATE506675T1 publication Critical patent/ATE506675T1/de

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
    • 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
    • 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
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
AT09008978T 2008-07-11 2009-07-09 Optischer lesekopf und optische vorrichtung ATE506675T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008181745 2008-07-11
JP2009002714A JP5126074B2 (ja) 2008-07-11 2009-01-08 光ピックアップ及び光デバイス

Publications (1)

Publication Number Publication Date
ATE506675T1 true ATE506675T1 (de) 2011-05-15

Family

ID=41170140

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09008978T ATE506675T1 (de) 2008-07-11 2009-07-09 Optischer lesekopf und optische vorrichtung

Country Status (7)

Country Link
US (1) US8094540B2 (de)
EP (1) EP2144239B1 (de)
JP (1) JP5126074B2 (de)
KR (1) KR101046680B1 (de)
AT (1) ATE506675T1 (de)
DE (1) DE602009001106D1 (de)
TW (1) TWI399746B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2580180C2 (ru) * 2014-03-06 2016-04-10 Юрий Александрович Чивель Способ лазерной наплавки и устройство для его осуществления
EP3567993B1 (de) * 2018-05-08 2022-02-23 Atotech Deutschland GmbH & Co. KG Verfahren zur erhöhung der haftfestigkeit zwischen einer oberfläche aus kupfer oder kupferlegierung und einer organischen schicht, und sauere wässrige nichtätzende schutzlösung

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3657114B2 (ja) * 1998-04-09 2005-06-08 株式会社リコー 光ピックアップ装置
US6043935A (en) * 1998-07-17 2000-03-28 Hoetron, Inc. Wavelength sensitive beam combiner with aberration correction
JP3833396B2 (ja) * 1998-08-27 2006-10-11 株式会社リコー 光ピックアップ
JP3459777B2 (ja) * 1998-08-31 2003-10-27 シャープ株式会社 光ピックアップ装置
JP3511913B2 (ja) 1998-10-19 2004-03-29 日本ビクター株式会社 光ピックアップ及び光デバイス
TW411454B (en) * 1998-10-28 2000-11-11 Ind Tech Res Inst Optical read/write head for dual wavelength
JP4843844B2 (ja) * 1999-12-27 2011-12-21 ソニー株式会社 光ヘッド、受発光素子、及び光記録媒体記録再生装置
JP2002279683A (ja) * 2001-03-21 2002-09-27 Ricoh Co Ltd 光ピックアップ装置
JP4151313B2 (ja) * 2002-06-03 2008-09-17 株式会社日立製作所 光再生装置
KR100597943B1 (ko) 2002-06-28 2006-07-06 닛뽕빅터 가부시키가이샤 광픽업
JP4149234B2 (ja) * 2002-10-25 2008-09-10 シャープ株式会社 ホログラムレーザおよびそれを備える光ピックアップ装置
KR100499007B1 (ko) * 2002-12-30 2005-07-01 삼성전기주식회사 홀로그램 광학소자를 이용한 광 픽업장치 및 홀로그램패턴형성방법
JP2004355790A (ja) * 2003-05-08 2004-12-16 Sharp Corp ホログラム結合体およびその製造方法、ホログラムレーザユニットならびに光ピックアップ装置
JP2006018786A (ja) 2004-07-02 2006-01-19 Tomohisa Kaneko 宝石や貴金属等の盗難防止方法
TWI329869B (en) * 2004-11-05 2010-09-01 Hon Hai Prec Ind Co Ltd Semiconductor laser assembly and optical pickup device using the same
JP2006252612A (ja) * 2005-03-08 2006-09-21 Sharp Corp 光ピックアップ装置
JP4561706B2 (ja) * 2005-11-16 2010-10-13 日本ビクター株式会社 光ピックアップ装置
KR20080084964A (ko) * 2005-12-15 2008-09-22 아사히 가라스 가부시키가이샤 파장 선택 회절 소자 및 광 헤드 장치
JP4449912B2 (ja) * 2006-01-27 2010-04-14 日本ビクター株式会社 光ピックアップ
JP2007250123A (ja) * 2006-03-17 2007-09-27 Sharp Corp 光ピックアップ装置
US20080031118A1 (en) * 2006-08-01 2008-02-07 Samsung Electronics Co., Ltd. Combined hologram optical element, compatible optical pickup and optical information storage medium system employing the same
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

Also Published As

Publication number Publication date
JP5126074B2 (ja) 2013-01-23
EP2144239B1 (de) 2011-04-20
TWI399746B (zh) 2013-06-21
US8094540B2 (en) 2012-01-10
US20100008205A1 (en) 2010-01-14
TW201003646A (en) 2010-01-16
EP2144239A1 (de) 2010-01-13
JP2010040160A (ja) 2010-02-18
KR20100007781A (ko) 2010-01-22
KR101046680B1 (ko) 2011-07-05
DE602009001106D1 (de) 2011-06-01

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Legal Events

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