ATE411594T1 - Optische mehrstrahl-scanning-einrichtung - Google Patents
Optische mehrstrahl-scanning-einrichtungInfo
- Publication number
- ATE411594T1 ATE411594T1 AT04769759T AT04769759T ATE411594T1 AT E411594 T1 ATE411594 T1 AT E411594T1 AT 04769759 T AT04769759 T AT 04769759T AT 04769759 T AT04769759 T AT 04769759T AT E411594 T1 ATE411594 T1 AT E411594T1
- Authority
- AT
- Austria
- Prior art keywords
- focus error
- sub
- focusing
- radiation
- scanning device
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
- 230000005855 radiation Effects 0.000 abstract 6
- 238000001514 detection method Methods 0.000 abstract 5
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
-
- 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
- G11B7/0916—Foucault or knife-edge methods
-
- 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
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03300187 | 2003-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE411594T1 true ATE411594T1 (de) | 2008-10-15 |
Family
ID=34530846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04769759T ATE411594T1 (de) | 2003-10-30 | 2004-10-29 | Optische mehrstrahl-scanning-einrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070082562A1 (de) |
EP (1) | EP1683140B1 (de) |
JP (1) | JP2007510246A (de) |
KR (1) | KR20060110282A (de) |
CN (1) | CN1875411A (de) |
AT (1) | ATE411594T1 (de) |
DE (1) | DE602004017211D1 (de) |
TW (1) | TW200519919A (de) |
WO (1) | WO2005043519A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8759077B2 (en) | 2007-08-28 | 2014-06-24 | Lightspeed Genomics, Inc. | Apparatus for selective excitation of microparticles |
US9465228B2 (en) * | 2010-03-19 | 2016-10-11 | Optical Biosystems, Inc. | Illumination apparatus optimized for synthetic aperture optics imaging using minimum selective excitation patterns |
US8502867B2 (en) * | 2010-03-19 | 2013-08-06 | Lightspeed Genomics, Inc. | Synthetic aperture optics imaging method using minimum selective excitation patterns |
US9885656B2 (en) * | 2014-12-17 | 2018-02-06 | Kla-Tencor Corporation | Line scan knife edge height sensor for semiconductor inspection and metrology |
TWI574478B (zh) * | 2016-04-13 | 2017-03-11 | 明新科技大學 | 用以調整雷射光束形狀的微光學裝置 |
US10451564B2 (en) * | 2017-10-27 | 2019-10-22 | Applied Materials, Inc. | Empirical detection of lens aberration for diffraction-limited optical system |
WO2019152539A1 (en) | 2018-01-30 | 2019-08-08 | Optical Biosystems, Inc. | Method for detecting particles using structured illumination |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9000282A (nl) * | 1990-02-06 | 1991-09-02 | Philips Nv | Optische aftastinrichting met meerdere aftastvlekken. |
US6229771B1 (en) | 1998-10-09 | 2001-05-08 | Zen Research (Ireland), Ltd. | Method and apparatus for generating focus error signals in a multi-beam optical disk drive |
JP2000163796A (ja) | 1998-11-26 | 2000-06-16 | Sharp Corp | マルチビーム光ピックアップ装置及びフォーカス制御方法 |
DE19936007A1 (de) * | 1999-08-04 | 2001-02-15 | Thomson Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
-
2004
- 2004-10-29 EP EP04769759A patent/EP1683140B1/de not_active Not-in-force
- 2004-10-29 JP JP2006537472A patent/JP2007510246A/ja not_active Withdrawn
- 2004-10-29 DE DE602004017211T patent/DE602004017211D1/de not_active Expired - Fee Related
- 2004-10-29 WO PCT/IB2004/003561 patent/WO2005043519A1/en active Application Filing
- 2004-10-29 TW TW093133053A patent/TW200519919A/zh unknown
- 2004-10-29 US US10/577,101 patent/US20070082562A1/en not_active Abandoned
- 2004-10-29 KR KR1020067008233A patent/KR20060110282A/ko not_active Application Discontinuation
- 2004-10-29 AT AT04769759T patent/ATE411594T1/de not_active IP Right Cessation
- 2004-10-29 CN CNA2004800322349A patent/CN1875411A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20070082562A1 (en) | 2007-04-12 |
EP1683140A1 (de) | 2006-07-26 |
DE602004017211D1 (de) | 2008-11-27 |
EP1683140B1 (de) | 2008-10-15 |
WO2005043519A1 (en) | 2005-05-12 |
TW200519919A (en) | 2005-06-16 |
KR20060110282A (ko) | 2006-10-24 |
JP2007510246A (ja) | 2007-04-19 |
CN1875411A (zh) | 2006-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |