TWI300560B - Optical pick-up head, optical reproducing apparatus and optical recording/reproducing apparatus - Google Patents
Optical pick-up head, optical reproducing apparatus and optical recording/reproducing apparatus Download PDFInfo
- Publication number
- TWI300560B TWI300560B TW093138880A TW93138880A TWI300560B TW I300560 B TWI300560 B TW I300560B TW 093138880 A TW093138880 A TW 093138880A TW 93138880 A TW93138880 A TW 93138880A TW I300560 B TWI300560 B TW I300560B
- Authority
- TW
- Taiwan
- Prior art keywords
- optical
- light
- light source
- light beam
- reflecting surface
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 232
- 238000007493 shaping process Methods 0.000 claims description 38
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 2
- 210000003608 fece Anatomy 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000003449 preventive effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 35
- 238000012544 monitoring process Methods 0.000 description 23
- 210000003128 head Anatomy 0.000 description 17
- 239000002131 composite material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 12
- 238000000576 coating method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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
- G11B7/125—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
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B7/1362—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003422298 | 2003-12-19 | ||
| JP2004299581A JP4412142B2 (ja) | 2003-12-19 | 2004-10-14 | 光ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200522044A TW200522044A (en) | 2005-07-01 |
| TWI300560B true TWI300560B (en) | 2008-09-01 |
Family
ID=34680669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW093138880A TWI300560B (en) | 2003-12-19 | 2004-12-15 | Optical pick-up head, optical reproducing apparatus and optical recording/reproducing apparatus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7569801B2 (enExample) |
| JP (1) | JP4412142B2 (enExample) |
| CN (1) | CN100370528C (enExample) |
| TW (1) | TWI300560B (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006065971A (ja) * | 2004-08-27 | 2006-03-09 | Mitsumi Electric Co Ltd | 光ピックアップ |
| JP5336029B2 (ja) * | 2005-06-14 | 2013-11-06 | 株式会社キーエンス | 回帰反射型光電スイッチ |
| US8041167B2 (en) * | 2007-11-09 | 2011-10-18 | Draka Comteq, B.V. | Optical-fiber loose tube cables |
| US8145026B2 (en) | 2007-11-09 | 2012-03-27 | Draka Comteq, B.V. | Reduced-size flat drop cable |
| US8031997B2 (en) | 2007-11-09 | 2011-10-04 | Draka Comteq, B.V. | Reduced-diameter, easy-access loose tube cable |
| US8081853B2 (en) | 2007-11-09 | 2011-12-20 | Draka Comteq, B.V. | Single-fiber drop cables for MDU deployments |
| US8041168B2 (en) | 2007-11-09 | 2011-10-18 | Draka Comteq, B.V. | Reduced-diameter ribbon cables with high-performance optical fiber |
| US8165439B2 (en) | 2007-11-09 | 2012-04-24 | Draka Comteq, B.V. | ADSS cables with high-performance optical fiber |
| EP2206001B1 (en) | 2007-11-09 | 2014-04-16 | Draka Comteq B.V. | Microbend- resistant optical fiber |
| US8467650B2 (en) * | 2007-11-09 | 2013-06-18 | Draka Comteq, B.V. | High-fiber-density optical-fiber cable |
| JP2009238344A (ja) * | 2008-03-28 | 2009-10-15 | Sanyo Electric Co Ltd | 光ピックアップ装置 |
| CN102272635B (zh) | 2008-11-07 | 2017-04-12 | 德拉克通信科技公司 | 直径缩小的光纤 |
| CN103792764B (zh) * | 2012-10-31 | 2016-02-10 | 中强光电股份有限公司 | 照明系统 |
| CN108490632B (zh) * | 2018-03-12 | 2020-01-10 | Oppo广东移动通信有限公司 | 激光投射模组、深度相机和电子装置 |
| CN112639447B (zh) * | 2018-08-27 | 2023-10-13 | 西铁城时计株式会社 | 光检测模块以及光检测装置 |
| JP7597996B2 (ja) | 2020-05-26 | 2024-12-11 | 日亜化学工業株式会社 | 発光装置 |
| US12224387B2 (en) | 2020-12-24 | 2025-02-11 | Nichia Corporation | Light emitting device |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782655B2 (ja) * | 1983-04-28 | 1995-09-06 | オリンパス光学工業株式会社 | 光ヘッド |
| NL8501665A (nl) * | 1985-06-10 | 1987-01-02 | Philips Nv | Optische aftasteenheid met positie- en standdetektiestelsel voor een elektromagnetisch gelagerd objektief. |
| US4792674A (en) * | 1986-07-31 | 1988-12-20 | Pioneer Electronic Corporation | Optical head assembly and element holder with positional adjustment |
| DE3938639A1 (de) * | 1988-11-21 | 1990-05-23 | Ricoh Kk | Optische aufzeichnungs-/wiedergabeeinrichtung |
| JPH02265028A (ja) * | 1989-04-06 | 1990-10-29 | Mitsubishi Electric Corp | 光記録再生装置 |
| US5313332A (en) * | 1990-11-16 | 1994-05-17 | Applied Magnetics Corporation | Flexure suspension for two axis actuator |
| US5264911A (en) * | 1990-12-20 | 1993-11-23 | Mitsubishi Electric Corporation | Laser power measuring jig for optical disk unit |
| JP2555239B2 (ja) | 1991-11-01 | 1996-11-20 | 株式会社日立製作所 | 光情報記録再生方法 |
| JP2778353B2 (ja) * | 1992-04-30 | 1998-07-23 | 日本電気株式会社 | 光ディスク装置 |
| US6141301A (en) * | 1994-01-21 | 2000-10-31 | Lots Technology, Inc. | Apparatus and method for dynamic tracking and focus in an optical tape system |
| JPH10501647A (ja) * | 1995-03-29 | 1998-02-10 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 放射線源、検出器及び格子を有する光学ユニットと当該光学ユニットを有する走査装置 |
| KR100269710B1 (ko) * | 1996-01-23 | 2000-10-16 | 윤종용 | 광출력장치 및 이를 채용한 광픽업장치 |
| JPH10255314A (ja) * | 1997-03-12 | 1998-09-25 | Ricoh Co Ltd | 光ピックアップ装置 |
| US6674709B1 (en) * | 1999-04-23 | 2004-01-06 | Matsushita Electric Industrial Co., Ltd. | Optical head apparatus |
| JP2001118281A (ja) | 1999-10-14 | 2001-04-27 | Hitachi Media Electoronics Co Ltd | 光ヘッドおよび光情報記録装置 |
| JP4095766B2 (ja) * | 2000-10-20 | 2008-06-04 | 株式会社リコー | 光学ユニットの組立調整装置 |
| JP2003151167A (ja) | 2001-11-14 | 2003-05-23 | Hitachi Ltd | 光ヘッドおよび光ディスク装置 |
| JP2003228868A (ja) * | 2002-01-30 | 2003-08-15 | Toshiba Corp | 光ヘッド装置及び光ディスク装置 |
| JP2003257064A (ja) | 2002-03-01 | 2003-09-12 | Sharp Corp | 光ピックアップ装置 |
| JP2004071073A (ja) | 2002-08-07 | 2004-03-04 | Teac Corp | 光ピックアップ装置 |
| JP2004288336A (ja) * | 2003-03-25 | 2004-10-14 | Hitachi Ltd | 光ヘッド |
-
2004
- 2004-10-14 JP JP2004299581A patent/JP4412142B2/ja not_active Expired - Fee Related
- 2004-12-15 TW TW093138880A patent/TWI300560B/zh active
- 2004-12-17 CN CNB2004101020032A patent/CN100370528C/zh not_active Expired - Fee Related
- 2004-12-17 US US11/013,382 patent/US7569801B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4412142B2 (ja) | 2010-02-10 |
| US20050135219A1 (en) | 2005-06-23 |
| CN100370528C (zh) | 2008-02-20 |
| CN1629950A (zh) | 2005-06-22 |
| TW200522044A (en) | 2005-07-01 |
| US7569801B2 (en) | 2009-08-04 |
| JP2005203074A (ja) | 2005-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI300560B (en) | Optical pick-up head, optical reproducing apparatus and optical recording/reproducing apparatus | |
| JPH08315404A (ja) | 光学ピックアップ装置 | |
| JP4144763B2 (ja) | 情報ピックアップ装置及び光ディスク装置 | |
| TW513710B (en) | Swing-arm type optical recording and reproducing apparatus and optical disk applicable to the same | |
| JPH0630165B2 (ja) | 光ピツクアツプ | |
| JP2000132859A (ja) | 光記憶装置及び光ピックアップ | |
| JPH11144274A (ja) | ガルバノミラーの偏向角検出装置 | |
| EP1351227A1 (en) | Optical pickup and optical disc drive | |
| KR100728369B1 (ko) | 홀로그래피 회절발을 이용한 광픽업장치 | |
| JP2003085821A (ja) | 薄型光ピックアップ装置 | |
| JP4161439B2 (ja) | 光ヘッド | |
| JP3689232B2 (ja) | 光情報記録再生ヘッド | |
| JP2001110082A (ja) | 光学ピックアップ及び光ディスク装置 | |
| CN1466133A (zh) | 一种光学读写装置 | |
| JP2010073229A (ja) | 光ピックアップ装置及び光ディスク装置 | |
| TW514899B (en) | Optical pickup device and optical disk driver | |
| KR100430270B1 (ko) | 광픽업 장치에 있어서의 틸트검출 방법 | |
| JP2001160238A5 (enExample) | ||
| JP3766524B2 (ja) | 光情報記録再生ヘッドの光学系 | |
| JP2002008262A (ja) | 光ヘッドおよび光ディスク装置 | |
| JP5169792B2 (ja) | 光集積素子、光検出方法、光ピックアップ及び光ディスク装置 | |
| JP2009070499A (ja) | 光ピックアップ装置 | |
| CN101073113A (zh) | 2dos信号的最优检测 | |
| JP2000149316A (ja) | 光ピックアップ | |
| JPH02265035A (ja) | 光ピックアップ |