DE69826251D1 - Aufzeichnungsgerät - Google Patents
AufzeichnungsgerätInfo
- Publication number
- DE69826251D1 DE69826251D1 DE69826251T DE69826251T DE69826251D1 DE 69826251 D1 DE69826251 D1 DE 69826251D1 DE 69826251 T DE69826251 T DE 69826251T DE 69826251 T DE69826251 T DE 69826251T DE 69826251 D1 DE69826251 D1 DE 69826251D1
- Authority
- DE
- Germany
- Prior art keywords
- recorder
- 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 - Lifetime
Links
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
- G11B7/08—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
WOPCT/JP97/03750 | 1997-10-16 | ||
PCT/JP1997/003750 WO1999021181A1 (fr) | 1997-10-16 | 1997-10-16 | Enregistreur |
PCT/JP1998/000100 WO1999021182A1 (fr) | 1997-10-16 | 1998-01-13 | Enregistreur |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69826251D1 true DE69826251D1 (de) | 2004-10-21 |
DE69826251T2 DE69826251T2 (de) | 2005-11-17 |
Family
ID=14181327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69826251T Expired - Lifetime DE69826251T2 (de) | 1997-10-16 | 1998-01-13 | Aufzeichnungsgerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US6211900B1 (de) |
EP (1) | EP0967600B1 (de) |
KR (1) | KR100486403B1 (de) |
CN (1) | CN1247623A (de) |
DE (1) | DE69826251T2 (de) |
WO (2) | WO1999021181A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6504137B1 (en) * | 2000-11-15 | 2003-01-07 | Agfa Corporation | Focusing system and method for use in imaging systems |
US6617652B2 (en) | 2001-03-22 | 2003-09-09 | Matsushita Electric Industrial Co., Ltd. | High breakdown voltage semiconductor device |
JP2003030867A (ja) * | 2001-07-13 | 2003-01-31 | Hitachi Ltd | フォーカス制御方法及び装置とそれを用いた原盤露光装置 |
EP1408360A3 (de) * | 2002-10-11 | 2004-07-28 | Agfa Corporation | Fokussiersystem und Methode zum Gebrauch in Abbildungssystemen |
JP3708104B2 (ja) * | 2004-01-13 | 2005-10-19 | 浜松ホトニクス株式会社 | レーザ加工方法及びレーザ加工装置 |
KR100594239B1 (ko) | 2004-01-28 | 2006-06-30 | 삼성전자주식회사 | 디지털 전위차계를 이용한 포토 다이오드의 감도 조정장치 및 방법 |
JP4476141B2 (ja) * | 2005-03-16 | 2010-06-09 | 三洋電機株式会社 | フォーカスサーボ導入装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL186205C (nl) * | 1977-12-17 | 1990-10-01 | Victor Company Of Japan | Inrichting voor het optisch registreren van signalen op een registratiemedium. |
JPS6021403B2 (ja) * | 1979-10-18 | 1985-05-27 | 日本ビクター株式会社 | 光学的記録装置における集光状態の監視装置 |
JPS6346311A (ja) | 1986-08-12 | 1988-02-27 | Nepon Kk | ガンタイプバ−ナの短炎化方法およびその装置 |
JPH01151428A (ja) | 1987-12-09 | 1989-06-14 | Matsushita Electric Ind Co Ltd | 電気掃除機の塵埃検知装置 |
JPH01151428U (de) * | 1988-04-06 | 1989-10-19 | ||
JPH03181032A (ja) * | 1989-12-08 | 1991-08-07 | Sony Corp | カッティングシステム |
JP2958035B2 (ja) * | 1990-01-31 | 1999-10-06 | 日立工機株式会社 | ビーム位置制御装置 |
JPH06259940A (ja) * | 1993-03-09 | 1994-09-16 | Sony Corp | ディスク記録再生装置 |
JPH0773491A (ja) * | 1993-08-31 | 1995-03-17 | Sony Corp | 焦点制御装置及び焦点制御装置の安定化方法 |
JP3369672B2 (ja) * | 1993-09-24 | 2003-01-20 | 株式会社東芝 | 自動焦点補正装置 |
JPH0883441A (ja) * | 1994-09-12 | 1996-03-26 | Toshiba Corp | 光ディスク原盤露光装置 |
JPH0980298A (ja) * | 1995-09-18 | 1997-03-28 | Toshiba Corp | フォーカシング制御方法及びその装置並びに光ディスク原盤記録装置 |
JP3882230B2 (ja) * | 1996-07-25 | 2007-02-14 | セイコーエプソン株式会社 | 記録装置 |
-
1997
- 1997-10-16 WO PCT/JP1997/003750 patent/WO1999021181A1/ja active Application Filing
-
1998
- 1998-01-13 KR KR10-1999-7005352A patent/KR100486403B1/ko not_active IP Right Cessation
- 1998-01-13 DE DE69826251T patent/DE69826251T2/de not_active Expired - Lifetime
- 1998-01-13 WO PCT/JP1998/000100 patent/WO1999021182A1/ja active IP Right Grant
- 1998-01-13 CN CN98802575A patent/CN1247623A/zh active Pending
- 1998-01-13 EP EP98900234A patent/EP0967600B1/de not_active Expired - Lifetime
- 1998-01-13 US US09/331,101 patent/US6211900B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1999021182A1 (fr) | 1999-04-29 |
DE69826251T2 (de) | 2005-11-17 |
CN1247623A (zh) | 2000-03-15 |
EP0967600A1 (de) | 1999-12-29 |
EP0967600B1 (de) | 2004-09-15 |
WO1999021181A1 (fr) | 1999-04-29 |
US6211900B1 (en) | 2001-04-03 |
KR20000069491A (ko) | 2000-11-25 |
KR100486403B1 (ko) | 2005-04-29 |
EP0967600A4 (de) | 2003-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |