KR100561871B1 - 광픽업 장치 - Google Patents
광픽업 장치 Download PDFInfo
- Publication number
- KR100561871B1 KR100561871B1 KR1020040058840A KR20040058840A KR100561871B1 KR 100561871 B1 KR100561871 B1 KR 100561871B1 KR 1020040058840 A KR1020040058840 A KR 1020040058840A KR 20040058840 A KR20040058840 A KR 20040058840A KR 100561871 B1 KR100561871 B1 KR 100561871B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- optical
- light source
- optical bench
- mount
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 102
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 33
- 238000001459 lithography Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 210000001233 cdp Anatomy 0.000 description 2
- 238000004637 computerized dynamic posturography Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 241001025261 Neoraja caerulea Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
- G11B33/1426—Reducing the influence of the temperature by cooling plates, e.g. fins
-
- 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
-
- 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
- G11B7/13—Optical detectors therefor
-
- 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
- G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (8)
- 일측에 마운트 삽입공이 형성되어 있는 판상 광학벤치;상기 광학벤치에 결합되는 방열판;상기 방열판에 일체적으로 형성되는 것으로서 상기 광학벤치의 마운트 삽입공에 끼워지는 소정 높이의 마운트; 및상기 마운트의 상면에 장착되는 광원;을 구비하는 것을 특징으로 하는 광픽업 장치.
- 제 1 항에 있어서,상기 마운트와 일체적으로 형성된 상기 방열판은 몰딩 공정에 의해 단일체로 제조된 것을 특징으로 하는 광픽업 장치.
- 제 1 항에 있어서,상기 마운트와 일체적으로 형성된 상기 방열판은 리소그래피 공정에 의해 단일체로 제조된 것을 특징으로 하는 광픽업 장치.
- 제 1 항에 있어서,상기 광학벤치에 상기 광원으로부터의 광이 통과하는 제 1 광통과공이 더 마련된 것을 특징으로 하는 광픽업 장치.
- 제 4 항에 있어서,상기 방열판에 상기 제 1 광통과공에 대응하는 제 2 광통과공이 더 마련된 것을 특징으로 하는 광픽업 장치.
- 제 5 항에 있어서,상기 광학벤치의 일면에 메인 광검출기 및 상기 광원으로부터 출사되는 광의 일부를 직접 수광하는 모니터 광검출기가 더 구비된 것을 특징으로 하는 광픽업 장치.
- 제 6 항에 있어서,상기 광학벤치의 일측에 마련되어 상기 광원으로부터의 광을 상기 제 1 및 제 2 광통과공으로 반사시켜 정보 저장매체로 입사시키는 제 1 미러와, 상기 광학벤치의 타측에 마련되어 상기 정보 저장매체에서 반사되어 제 1 미러로부터 전달된 반사광을 상기 메인 광검출기로 입사시키는 제 2 미러가 더 구비된 것을 특징으로 하는 광픽업 장치.
- 제 1 항에 있어서,상기 광학벤치의 일측에 상기 광원으로부터 출사되어 정보 저장매체로 입사되는 광의 경로와 상기 정보 저장매체로부터 반사되는 광의 경로를 분리하는 광경로 분리부가 더 구비된 것을 특징으로 하는 광픽업 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040058840A KR100561871B1 (ko) | 2004-07-27 | 2004-07-27 | 광픽업 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040058840A KR100561871B1 (ko) | 2004-07-27 | 2004-07-27 | 광픽업 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060010214A KR20060010214A (ko) | 2006-02-02 |
KR100561871B1 true KR100561871B1 (ko) | 2006-03-17 |
Family
ID=37120566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040058840A Expired - Fee Related KR100561871B1 (ko) | 2004-07-27 | 2004-07-27 | 광픽업 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100561871B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003168239A (ja) | 2001-11-30 | 2003-06-13 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置 |
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2004
- 2004-07-27 KR KR1020040058840A patent/KR100561871B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003168239A (ja) | 2001-11-30 | 2003-06-13 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20060010214A (ko) | 2006-02-02 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20040727 |
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