KR100557041B1 - 슬림형 광 픽업 액츄에이터 - Google Patents
슬림형 광 픽업 액츄에이터 Download PDFInfo
- Publication number
- KR100557041B1 KR100557041B1 KR1020030100441A KR20030100441A KR100557041B1 KR 100557041 B1 KR100557041 B1 KR 100557041B1 KR 1020030100441 A KR1020030100441 A KR 1020030100441A KR 20030100441 A KR20030100441 A KR 20030100441A KR 100557041 B1 KR100557041 B1 KR 100557041B1
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- focusing
- tracking
- magnet
- lens holder
- 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.)
- Expired - Fee Related
Links
Images
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
- G11B7/0935—Details of the moving parts
-
- 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
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (4)
- 일측에 대물렌즈를 탑재하고, 트랙킹 및 포커싱, 레디얼 틸트 방향으로 가동하는 렌즈홀더와;요크플레이트로부터 서로 마주보게 돌출된 제 1 및 제 2 내부요크와;제 1내부요크의 내면에 부착되며 서로 다른 극성을 갖는 복수개의 단극 마그네트렌즈홀더의 수용홈에, 복수개가 직렬 연결되어 복수개의 단극 마그네트의 각 극성과 대향되게 부착되며, 그 내측으로 제 2내부요크가 각각 삽입되는 포커싱코일과;상기 포커싱코일의 전면에 마그네트 극성 경계와 대향되게 부착되는 트랙킹코일과;상기 복수개의 마그네트 극성에 대하여 대향하며 상기 포커싱코일의 상면에 안착되는 단일개의 틸트코일을 포함하는 것을 특징으로 하는 슬림형 광 픽업 액츄에이터.
- 삭제
- 제 1항에 있어서,상기 트랙킹 코일은 적어도 3개의 코일이 미세 패턴 코일로 형성되는 것을 특징으로 하는 슬림형 광 픽업 액츄에이터.
- 일측에 대물렌즈를 탑재하고, 트랙킹 및 포커싱, 레디얼 틸트 방향으로 가동하는 렌즈홀더;요크플레이트로부터 서로 마주보게 돌출된 제 1 및 제 2내부요크와;제 1내부요크의 내면에 부착되고 다극 착자된 마그네트와;렌즈홀더의 수용홈에, 복수개가 직렬 연결되어 상기 마그네트의 각 극성과 각각 대향하며, 내측으로 제 2내부 요크가 각각 삽입되는 이격된 포커싱코일과;상기 복수개의 포커싱코일 사이의 이격된 위치에 마그네트의 극성 경계 위치에 대향하게 부착되는 수직 권선된 트랙킹코일과;상기 복수개의 포커싱 코일 사이의 이격된 위치 및 상기 트랙킹 코일의 일측에 부착되며 상기 마그네트의 극성 경계에 대향되는 틸트 코일을 포함하는 것을 특징으로 하는 슬림형 광 픽업 액츄에이터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100441A KR100557041B1 (ko) | 2003-12-30 | 2003-12-30 | 슬림형 광 픽업 액츄에이터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100441A KR100557041B1 (ko) | 2003-12-30 | 2003-12-30 | 슬림형 광 픽업 액츄에이터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050068704A KR20050068704A (ko) | 2005-07-05 |
KR100557041B1 true KR100557041B1 (ko) | 2006-03-03 |
Family
ID=37259239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030100441A Expired - Fee Related KR100557041B1 (ko) | 2003-12-30 | 2003-12-30 | 슬림형 광 픽업 액츄에이터 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100557041B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100689042B1 (ko) | 2005-04-20 | 2007-03-09 | 삼성전자주식회사 | 광픽업용 액츄에이터 및 광기록 및/또는 재생장치 |
-
2003
- 2003-12-30 KR KR1020030100441A patent/KR100557041B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100689042B1 (ko) | 2005-04-20 | 2007-03-09 | 삼성전자주식회사 | 광픽업용 액츄에이터 및 광기록 및/또는 재생장치 |
Also Published As
Publication number | Publication date |
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KR20050068704A (ko) | 2005-07-05 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20031230 |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20051214 |
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Comment text: Registration of Establishment Patent event date: 20060223 Patent event code: PR07011E01D |
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Payment date: 20060222 End annual number: 3 Start annual number: 1 |
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