JP2006260640A - 光ピックアップおよび光ディスク装置 - Google Patents

光ピックアップおよび光ディスク装置 Download PDF

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Publication number
JP2006260640A
JP2006260640A JP2005074580A JP2005074580A JP2006260640A JP 2006260640 A JP2006260640 A JP 2006260640A JP 2005074580 A JP2005074580 A JP 2005074580A JP 2005074580 A JP2005074580 A JP 2005074580A JP 2006260640 A JP2006260640 A JP 2006260640A
Authority
JP
Japan
Prior art keywords
optical
light source
aberration correction
correction element
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.)
Pending
Application number
JP2005074580A
Other languages
English (en)
Japanese (ja)
Inventor
Toru Hama
透 濱
Nobuhiko Ando
伸彦 安藤
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2005074580A priority Critical patent/JP2006260640A/ja
Priority to TW095107262A priority patent/TW200641865A/zh
Priority to KR1020060023463A priority patent/KR20060100208A/ko
Priority to US11/375,352 priority patent/US7447136B2/en
Priority to CNA2006100648594A priority patent/CN1835104A/zh
Publication of JP2006260640A publication Critical patent/JP2006260640A/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Optical Head (AREA)
JP2005074580A 2005-03-16 2005-03-16 光ピックアップおよび光ディスク装置 Pending JP2006260640A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
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
TW095107262A TW200641865A (en) 2005-03-16 2006-03-03 Optical pickup and optical disk device
KR1020060023463A KR20060100208A (ko) 2005-03-16 2006-03-14 광픽업 및 광디스크 장치
US11/375,352 US7447136B2 (en) 2005-03-16 2006-03-14 Optical pickup and optical disc apparatus
CNA2006100648594A CN1835104A (zh) 2005-03-16 2006-03-16 光学拾取器及光盘装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JP2006260640A true JP2006260640A (ja) 2006-09-28

Family

ID=37002814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005074580A Pending 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

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
TW200641865A (en) 2006-12-01
US7447136B2 (en) 2008-11-04
US20060245082A1 (en) 2006-11-02
TWI308748B (enExample) 2009-04-11
KR20060100208A (ko) 2006-09-20
CN1835104A (zh) 2006-09-20

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