KR20060100208A - 광픽업 및 광디스크 장치 - Google Patents

광픽업 및 광디스크 장치 Download PDF

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Publication number
KR20060100208A
KR20060100208A KR1020060023463A KR20060023463A KR20060100208A KR 20060100208 A KR20060100208 A KR 20060100208A KR 1020060023463 A KR1020060023463 A KR 1020060023463A KR 20060023463 A KR20060023463 A KR 20060023463A KR 20060100208 A KR20060100208 A KR 20060100208A
Authority
KR
South Korea
Prior art keywords
light source
optical
light
aberration
light beam
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.)
Withdrawn
Application number
KR1020060023463A
Other languages
English (en)
Korean (ko)
Inventor
토루 하마
노부히코 안도
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20060100208A publication Critical patent/KR20060100208A/ko
Withdrawn legal-status Critical Current

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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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optical Head (AREA)
KR1020060023463A 2005-03-16 2006-03-14 광픽업 및 광디스크 장치 Withdrawn KR20060100208A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00074580 2005-03-16
JP2005074580A JP2006260640A (ja) 2005-03-16 2005-03-16 光ピックアップおよび光ディスク装置

Publications (1)

Publication Number Publication Date
KR20060100208A true KR20060100208A (ko) 2006-09-20

Family

ID=37002814

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060023463A Withdrawn KR20060100208A (ko) 2005-03-16 2006-03-14 광픽업 및 광디스크 장치

Country Status (5)

Country Link
US (1) US7447136B2 (enExample)
JP (1) JP2006260640A (enExample)
KR (1) KR20060100208A (enExample)
CN (1) CN1835104A (enExample)
TW (1) TW200641865A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6895633B2 (ja) * 2018-11-30 2021-06-30 パナソニックＩｐマネジメント株式会社 対物レンズ及び光ヘッド装置及び光情報装置と光ディスクシステム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615200A (en) * 1992-09-10 1997-03-25 Kabushiki Kaisha Toshiba Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
JPH11110774A (ja) 1997-10-02 1999-04-23 Matsushita Electric Ind Co Ltd 光ピックアップ
JP2000353333A (ja) 1999-06-10 2000-12-19 Sony Corp 光ピックアップ装置及び光学ディスク装置
JP2003167187A (ja) * 2001-06-20 2003-06-13 Konica Corp 対物レンズ、光ピックアップ装置及び記録・再生装置
US7206277B2 (en) * 2001-07-27 2007-04-17 Pioneer Corporation Optical pickup device and focal error detecting device therefor and wave aberration and focal error detecting device therefor
JP2004071081A (ja) 2002-08-08 2004-03-04 Sony Corp 光ピックアップ及びディスクドライブ装置
JP2004164825A (ja) 2002-10-25 2004-06-10 Konica Minolta Holdings Inc 光ピックアップ装置
JP4720507B2 (ja) 2004-02-03 2011-07-13 旭硝子株式会社 液晶レンズ素子および光ヘッド装置

Also Published As

Publication number Publication date
JP2006260640A (ja) 2006-09-28
TW200641865A (en) 2006-12-01
US7447136B2 (en) 2008-11-04
US20060245082A1 (en) 2006-11-02
TWI308748B (enExample) 2009-04-11
CN1835104A (zh) 2006-09-20

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20060314

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid