JP4167370B2 - 光ピックアップ装置 - Google Patents
光ピックアップ装置 Download PDFInfo
- Publication number
- JP4167370B2 JP4167370B2 JP36558499A JP36558499A JP4167370B2 JP 4167370 B2 JP4167370 B2 JP 4167370B2 JP 36558499 A JP36558499 A JP 36558499A JP 36558499 A JP36558499 A JP 36558499A JP 4167370 B2 JP4167370 B2 JP 4167370B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- laser beam
- optical pickup
- light receiving
- laser
- 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 description 105
- 238000001514 detection method Methods 0.000 claims description 103
- 230000004075 alteration Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 239000004065 semiconductor Substances 0.000 description 20
- 201000009310 astigmatism Diseases 0.000 description 15
- 238000010586 diagram Methods 0.000 description 15
- 239000010410 layer Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000002411 adverse Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
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
- G11B7/12—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
-
- 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
-
- 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
- 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
- G11B7/131—Arrangement of detectors in a multiple array
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- 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
-
- 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
- G11B7/0908—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 focusing only
- G11B7/0909—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 focusing only by astigmatic methods
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36558499A JP4167370B2 (ja) | 1999-12-22 | 1999-12-22 | 光ピックアップ装置 |
| US09/704,822 US6452880B1 (en) | 1999-12-22 | 2000-11-03 | Optical pickup apparatus |
| KR1020000072409A KR20010062063A (ko) | 1999-12-22 | 2000-12-01 | 광 픽업 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36558499A JP4167370B2 (ja) | 1999-12-22 | 1999-12-22 | 光ピックアップ装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001184703A JP2001184703A (ja) | 2001-07-06 |
| JP2001184703A5 JP2001184703A5 (enExample) | 2005-10-27 |
| JP4167370B2 true JP4167370B2 (ja) | 2008-10-15 |
Family
ID=18484632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36558499A Expired - Fee Related JP4167370B2 (ja) | 1999-12-22 | 1999-12-22 | 光ピックアップ装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6452880B1 (enExample) |
| JP (1) | JP4167370B2 (enExample) |
| KR (1) | KR20010062063A (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3689296B2 (ja) * | 2000-01-24 | 2005-08-31 | パイオニア株式会社 | 光ピックアップ装置 |
| DE60140028D1 (de) * | 2000-07-22 | 2009-11-12 | Samsung Electronics Co Ltd | Kompatibles optisches Abtastgerät |
| JP2002094168A (ja) * | 2000-09-19 | 2002-03-29 | Toshiba Corp | 半導体レーザ装置及びその製造方法 |
| US6680894B2 (en) | 2000-10-13 | 2004-01-20 | Matsushita Electric Industrial Co., Ltd. | Optical head and apparatus for and method of storing and reproducing optical information |
| WO2002033700A2 (en) * | 2000-10-16 | 2002-04-25 | Konica Corporation | Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus |
| JP2002163837A (ja) * | 2000-11-27 | 2002-06-07 | Pioneer Electronic Corp | 光ピックアップ装置及びレーザダイオードチップ |
| KR20040005036A (ko) * | 2002-07-08 | 2004-01-16 | 삼성전기주식회사 | 두개의 ld를 사용하는 dvd 플레이어용 광 픽업장치 |
| KR100498483B1 (ko) * | 2003-01-29 | 2005-07-01 | 삼성전자주식회사 | 호환형 광픽업 및 그 광출력량 검출 방법 |
| US8264929B2 (en) * | 2003-11-25 | 2012-09-11 | Dell Products L.P. | Optical medium recognition system and method with an optical drive having plural lasers |
| JP4367351B2 (ja) * | 2005-02-08 | 2009-11-18 | 船井電機株式会社 | 光ディスク装置 |
| JP2006286079A (ja) * | 2005-03-31 | 2006-10-19 | Toshiba Corp | 光ヘッド及び光ディスク装置 |
| US7652246B2 (en) * | 2005-05-26 | 2010-01-26 | Mitsubishi Electric Corporation | Optical pickup device and optical disk device |
| JP4319181B2 (ja) * | 2005-09-08 | 2009-08-26 | シャープ株式会社 | 光ピックアップ装置および情報記録再生装置 |
| EP3025819A4 (en) * | 2013-08-28 | 2016-09-28 | Mitsubishi Heavy Ind Ltd | LASER PROCESSING DEVICE |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05242512A (ja) * | 1991-12-19 | 1993-09-21 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
| US6240053B1 (en) * | 1998-05-07 | 2001-05-29 | Ricoh Company, Ltd. | Optical pickup device |
-
1999
- 1999-12-22 JP JP36558499A patent/JP4167370B2/ja not_active Expired - Fee Related
-
2000
- 2000-11-03 US US09/704,822 patent/US6452880B1/en not_active Expired - Fee Related
- 2000-12-01 KR KR1020000072409A patent/KR20010062063A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001184703A (ja) | 2001-07-06 |
| US6452880B1 (en) | 2002-09-17 |
| KR20010062063A (ko) | 2001-07-07 |
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