KR100624860B1 - 광 디스크 드라이브 - Google Patents
광 디스크 드라이브 Download PDFInfo
- Publication number
- KR100624860B1 KR100624860B1 KR1020040040052A KR20040040052A KR100624860B1 KR 100624860 B1 KR100624860 B1 KR 100624860B1 KR 1020040040052 A KR1020040040052 A KR 1020040040052A KR 20040040052 A KR20040040052 A KR 20040040052A KR 100624860 B1 KR100624860 B1 KR 100624860B1
- Authority
- KR
- South Korea
- Prior art keywords
- actuator
- objective lens
- lens
- optical
- holder
- Prior art date
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Classifications
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- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
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- 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
- G11B7/0901—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 for track following only
- G11B7/0903—Multi-beam tracking systems
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- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
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- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
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- 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
- G11B7/1374—Objective lenses
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (6)
- 적어도 하나의 대물렌즈를 포함하는 렌즈홀더와, 상기 렌즈홀더를 가동시키는 코일 및 마그네트와, 상기 렌즈홀더를 지지하는 지지부재가 포함되는 제1액츄에이터;적어도 하나의 대물렌즈를 포함하는 렌즈홀더와, 상기 렌즈홀더를 가동시키는 코일 및 마그네트와, 상기 렌즈홀더를 지지하는 지지부재가 포함되는 제2액츄에이터; 가 포함되어 구성되고,상기 제1액츄에이터의 대물렌즈와 상기 제2액츄에이터의 대물렌즈의 중심은 광 디스크의 반경 중 어느 하나에 위치하는 것을 특징으로 하는 광 디스크 드라이브.
- 제 1항에 있어서,상기 제1액츄에이터의 지지부재는 상기 반경을 경계로 한 제1영역에 위치하고, 상기 제2액츄에이터의 지지부재는 상기 반경을 경계로 한 제2영역에 위치하는 것을 특징으로 하는 광 디스크 드라이브.
- 적어도 하나의 대물렌즈를 포함하는 렌즈홀더와, 상기 렌즈홀더를 가동시키는 코일 및 마그네트와, 상기 렌즈홀더를 지지하는 와이어 및 고정홀더가 포함되는 제1액츄에이터;적어도 하나의 대물렌즈를 포함하는 렌즈홀더와, 상기 렌즈홀더를 가동시키는 코일 및 마그네트와, 상기 렌즈홀더를 지지하는 와이어 및 고정홀더가 포함되는 제2액츄에이터; 가 포함되어 구성되고,상기 제1액츄에이터의 와이어와 상기 제2액츄에이터의 와이어는 광 디스크의 반경 중 어느 하나에 대하여 수직으로 위치되고, 상기 제1액츄에이터의 대물렌즈와 상기 제2액츄에이터의 대물렌즈는 상기 반경에 위치되는 것을 특징으로 하는 광 디스크 드라이브.
- 제 3항에 있어서,상기 제1액츄에이터의 고정홀더는 상기 반경을 경계로 하는 제1영역에 위치되고, 상기 제2액츄에이터의 고정홀더는 상기 반경을 경계로 하는 제2영역에 위치되는 것을 특징으로 하는 광 디스크 드라이브.
- 제 1항 또는 제 3항에 있어서,상기 제1액츄에이터 및 제2액츄에이터 중 적어도 하나에 형성된 대물렌즈는 렌즈홀더를 지지하는 와이어 중 어느 하나에 더 가깝게 형성되는 것을 특징으로 하는 광 디스크 드라이브.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040040052A KR100624860B1 (ko) | 2004-06-02 | 2004-06-02 | 광 디스크 드라이브 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040040052A KR100624860B1 (ko) | 2004-06-02 | 2004-06-02 | 광 디스크 드라이브 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050114931A KR20050114931A (ko) | 2005-12-07 |
KR100624860B1 true KR100624860B1 (ko) | 2006-09-19 |
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KR1020040040052A KR100624860B1 (ko) | 2004-06-02 | 2004-06-02 | 광 디스크 드라이브 |
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KR (1) | KR100624860B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100806062B1 (ko) * | 2006-07-27 | 2008-02-21 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업 장치 및 상기 광픽업 장치를 채용한 광기록/재생시스템 |
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KR20050114931A (ko) | 2005-12-07 |
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