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
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)
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 (nl) | 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 (nl) |
Cited By (6)
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 |
EP0545133A2 (en) * | 1991-11-20 | 1993-06-09 | Sony Corporation | Optical pickup device and focusing servo device employed therein |
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 |
-
1983
- 1983-12-05 JP JP58229372A patent/JPS60121546A/ja active Granted
Cited By (11)
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 |
EP0545133A2 (en) * | 1991-11-20 | 1993-06-09 | Sony Corporation | Optical pickup device and focusing servo device employed therein |
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 (nl) | 1993-01-08 |
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