JPS60121546A - ピックアップ装置 - Google Patents

ピックアップ装置

Info

Publication number
JPS60121546A
JPS60121546A JP58229372A JP22937283A JPS60121546A JP S60121546 A JPS60121546 A JP S60121546A JP 58229372 A JP58229372 A JP 58229372A JP 22937283 A JP22937283 A JP 22937283A JP S60121546 A JPS60121546 A JP S60121546A
Authority
JP
Japan
Prior art keywords
disk
skew
wavefront aberration
transparent layer
recording surface
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.)
Granted
Application number
JP58229372A
Other languages
English (en)
Japanese (ja)
Other versions
JPH051535B2 (enrdf_load_stackoverflow
Inventor
Akio Yamakawa
明郎 山川
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 JP58229372A priority Critical patent/JPS60121546A/ja
Publication of JPS60121546A publication Critical patent/JPS60121546A/ja
Publication of JPH051535B2 publication Critical patent/JPH051535B2/ja
Granted 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
    • G11B7/08—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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/1367—Stepped phase plates
    • 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
    • G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • 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
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP58229372A 1983-12-05 1983-12-05 ピックアップ装置 Granted JPS60121546A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58229372A JPS60121546A (ja) 1983-12-05 1983-12-05 ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58229372A JPS60121546A (ja) 1983-12-05 1983-12-05 ピックアップ装置

Publications (2)

Publication Number Publication Date
JPS60121546A true JPS60121546A (ja) 1985-06-29
JPH051535B2 JPH051535B2 (enrdf_load_stackoverflow) 1993-01-08

Family

ID=16891137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58229372A Granted JPS60121546A (ja) 1983-12-05 1983-12-05 ピックアップ装置

Country Status (1)

Country Link
JP (1) JPS60121546A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63136333A (ja) * 1986-11-27 1988-06-08 Canon Inc 光学的情報再生装置
US4952333A (en) * 1984-01-27 1990-08-28 The Clorox Company Bleaching and brightening composition and method
US5104571A (en) * 1984-01-27 1992-04-14 The Clorox Company Bleaching and brightening composition and method
WO1993010528A1 (en) * 1991-11-20 1993-05-27 Sony Corporation Optical disk
US5513158A (en) * 1991-11-20 1996-04-30 Sony Corporation Optical disk pickup device with focusing correction by electrostriction
US5623466A (en) * 1994-03-25 1997-04-22 Victor Company Of Japan, Ltd. Optical pickup apparatus with skew error control and optical information recording and/or reproducing apparatus using the same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952333A (en) * 1984-01-27 1990-08-28 The Clorox Company Bleaching and brightening composition and method
US5104571A (en) * 1984-01-27 1992-04-14 The Clorox Company Bleaching and brightening composition and method
JPS63136333A (ja) * 1986-11-27 1988-06-08 Canon Inc 光学的情報再生装置
WO1993010528A1 (en) * 1991-11-20 1993-05-27 Sony Corporation Optical disk
US5442615A (en) * 1991-11-20 1995-08-15 Sony Corporation Optical plate for correcting comatic aberration
US5513158A (en) * 1991-11-20 1996-04-30 Sony Corporation Optical disk pickup device with focusing correction by electrostriction
US5515348A (en) * 1991-11-20 1996-05-07 Sony Corporation Optical disk pickup device with tilt compensation by electrostriction
EP0745980A1 (en) * 1991-11-20 1996-12-04 Sony Corporation Optical pickup device
US5623466A (en) * 1994-03-25 1997-04-22 Victor Company Of Japan, Ltd. Optical pickup apparatus with skew error control and optical information recording and/or reproducing apparatus using the same
CN1056935C (zh) * 1994-03-25 2000-09-27 日本胜利株式会社 光拾起装置和使用该光拾起装置的光盘设备

Also Published As

Publication number Publication date
JPH051535B2 (enrdf_load_stackoverflow) 1993-01-08

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