WO2007112022A3 - Optimization of diffraction order selection for two-dimensional structures - Google Patents
Optimization of diffraction order selection for two-dimensional structures Download PDFInfo
- Publication number
- WO2007112022A3 WO2007112022A3 PCT/US2007/007292 US2007007292W WO2007112022A3 WO 2007112022 A3 WO2007112022 A3 WO 2007112022A3 US 2007007292 W US2007007292 W US 2007007292W WO 2007112022 A3 WO2007112022 A3 WO 2007112022A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diffraction
- optimization
- dimensional structures
- diffraction order
- simulated
- Prior art date
Links
- 238000005457 optimization Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
- G01J3/24—Generating the spectrum; Monochromators using diffraction elements, e.g. grating using gratings profiled to favour a specific order
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
- G01N29/4418—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with a model, e.g. best-fit, regression analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q60/00—Particular types of SPM [Scanning Probe Microscopy] or microscopes; Essential components thereof
- G01Q60/02—Multiple-type SPM, i.e. involving more than one SPM techniques
- G01Q60/04—STM [Scanning Tunnelling Microscopy] combined with AFM [Atomic Force Microscopy]
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800105181A CN101410692B (en) | 2006-03-24 | 2007-03-20 | Optimization of diffraction order selection for two-dimensional structures |
JP2009501587A JP5096452B2 (en) | 2006-03-24 | 2007-03-20 | Optimization of diffraction order selection for two-dimensional structures |
KR1020087025738A KR101342847B1 (en) | 2006-03-24 | 2008-10-21 | 2 optimization of diffraction order selection for two-dimensional structures |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/388,265 | 2006-03-24 | ||
US11/388,265 US7428060B2 (en) | 2006-03-24 | 2006-03-24 | Optimization of diffraction order selection for two-dimensional structures |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007112022A2 WO2007112022A2 (en) | 2007-10-04 |
WO2007112022A3 true WO2007112022A3 (en) | 2008-10-16 |
Family
ID=38533032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/007292 WO2007112022A2 (en) | 2006-03-24 | 2007-03-20 | Optimization of diffraction order selection for two-dimensional structures |
Country Status (6)
Country | Link |
---|---|
US (1) | US7428060B2 (en) |
JP (1) | JP5096452B2 (en) |
KR (1) | KR101342847B1 (en) |
CN (1) | CN101410692B (en) |
TW (1) | TWI365284B (en) |
WO (1) | WO2007112022A2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7469192B2 (en) * | 2006-07-11 | 2008-12-23 | Tokyo Electron Ltd. | Parallel profile determination for an optical metrology system |
US7515283B2 (en) * | 2006-07-11 | 2009-04-07 | Tokyo Electron, Ltd. | Parallel profile determination in optical metrology |
US20080013107A1 (en) * | 2006-07-11 | 2008-01-17 | Tokyo Electron Limited | Generating a profile model to characterize a structure to be examined using optical metrology |
US8040511B1 (en) * | 2008-01-29 | 2011-10-18 | Kla-Tencor Corporation | Azimuth angle measurement |
US9625937B2 (en) * | 2008-08-18 | 2017-04-18 | Kla-Tencor Corporation | Computation efficiency by diffraction order truncation |
US8560270B2 (en) * | 2008-12-09 | 2013-10-15 | Tokyo Electron Limited | Rational approximation and continued-fraction approximation approaches for computation efficiency of diffraction signals |
US20110276319A1 (en) * | 2010-05-06 | 2011-11-10 | Jonathan Michael Madsen | Determination of material optical properties for optical metrology of structures |
US9523800B2 (en) * | 2010-05-21 | 2016-12-20 | Kla-Tencor Corporation | Computation efficiency by iterative spatial harmonics order truncation |
US9239522B2 (en) * | 2010-10-08 | 2016-01-19 | Kla-Tencor Corporation | Method of determining an asymmetric property of a structure |
TWI603070B (en) * | 2011-01-03 | 2017-10-21 | 諾發測量儀器股份有限公司 | Method and system for use in measuring in complex patterned structures |
US8577820B2 (en) * | 2011-03-04 | 2013-11-05 | Tokyo Electron Limited | Accurate and fast neural network training for library-based critical dimension (CD) metrology |
US9127927B2 (en) | 2011-12-16 | 2015-09-08 | Kla-Tencor Corporation | Techniques for optimized scatterometry |
US8762100B1 (en) | 2012-02-10 | 2014-06-24 | Tokyo Electron Limited | Numerical aperture integration for optical critical dimension (OCD) metrology |
US10255385B2 (en) | 2012-03-28 | 2019-04-09 | Kla-Tencor Corporation | Model optimization approach based on spectral sensitivity |
US11175589B2 (en) | 2013-06-03 | 2021-11-16 | Kla Corporation | Automatic wavelength or angle pruning for optical metrology |
US10386729B2 (en) | 2013-06-03 | 2019-08-20 | Kla-Tencor Corporation | Dynamic removal of correlation of highly correlated parameters for optical metrology |
US10481088B2 (en) | 2013-06-04 | 2019-11-19 | Kla-Tencor Corporation | Automatic determination of fourier harmonic order for computation of spectral information for diffraction structures |
US10895810B2 (en) | 2013-11-15 | 2021-01-19 | Kla Corporation | Automatic selection of sample values for optical metrology |
US9588066B2 (en) | 2014-01-23 | 2017-03-07 | Revera, Incorporated | Methods and systems for measuring periodic structures using multi-angle X-ray reflectance scatterometry (XRS) |
US10185303B2 (en) * | 2015-02-21 | 2019-01-22 | Kla-Tencor Corporation | Optimizing computational efficiency by multiple truncation of spatial harmonics |
JP6377582B2 (en) * | 2015-08-06 | 2018-08-22 | 株式会社リガク | X-ray analysis operation guide system, operation guide method, and operation guide program |
CN105674909B (en) * | 2015-12-31 | 2018-06-26 | 天津市兆瑞测控技术有限公司 | A kind of high-precision two-dimensional contour measuring method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040090629A1 (en) * | 2002-11-08 | 2004-05-13 | Emmanuel Drege | Diffraction order selection for optical metrology simulation |
US20040167754A1 (en) * | 2003-02-26 | 2004-08-26 | Joerg Bischoff | Approximating eigensolutions for use in determining the profile of a structure formed on a semiconductor wafer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5671050A (en) * | 1994-11-07 | 1997-09-23 | Zygo Corporation | Method and apparatus for profiling surfaces using diffracative optics |
IL130874A (en) * | 1999-07-09 | 2002-12-01 | Nova Measuring Instr Ltd | System and method for measuring patterned structures |
US6891626B2 (en) | 2000-01-26 | 2005-05-10 | Timbre Technologies, Inc. | Caching of intra-layer calculations for rapid rigorous coupled-wave analyses |
US6943900B2 (en) * | 2000-09-15 | 2005-09-13 | Timbre Technologies, Inc. | Generation of a library of periodic grating diffraction signals |
US6913900B2 (en) | 2001-08-29 | 2005-07-05 | Nippon Zoki Pharmaceutical Co., Ltd. | Plasma prekallikrein activation and kallikrein production assay |
US7330279B2 (en) | 2002-07-25 | 2008-02-12 | Timbre Technologies, Inc. | Model and parameter selection for optical metrology |
US7427521B2 (en) * | 2002-10-17 | 2008-09-23 | Timbre Technologies, Inc. | Generating simulated diffraction signals for two-dimensional structures |
US7064829B2 (en) * | 2003-03-20 | 2006-06-20 | Timbre Technologies, Inc. | Generic interface for an optical metrology system |
US7388677B2 (en) | 2004-03-22 | 2008-06-17 | Timbre Technologies, Inc. | Optical metrology optimization for repetitive structures |
US7321426B1 (en) * | 2004-06-02 | 2008-01-22 | Kla-Tencor Technologies Corporation | Optical metrology on patterned samples |
-
2006
- 2006-03-24 US US11/388,265 patent/US7428060B2/en active Active
-
2007
- 2007-03-20 WO PCT/US2007/007292 patent/WO2007112022A2/en active Application Filing
- 2007-03-20 CN CN2007800105181A patent/CN101410692B/en active Active
- 2007-03-20 JP JP2009501587A patent/JP5096452B2/en active Active
- 2007-03-23 TW TW096110094A patent/TWI365284B/en active
-
2008
- 2008-10-21 KR KR1020087025738A patent/KR101342847B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040090629A1 (en) * | 2002-11-08 | 2004-05-13 | Emmanuel Drege | Diffraction order selection for optical metrology simulation |
US20040167754A1 (en) * | 2003-02-26 | 2004-08-26 | Joerg Bischoff | Approximating eigensolutions for use in determining the profile of a structure formed on a semiconductor wafer |
Also Published As
Publication number | Publication date |
---|---|
JP5096452B2 (en) | 2012-12-12 |
KR101342847B1 (en) | 2013-12-17 |
WO2007112022A2 (en) | 2007-10-04 |
US7428060B2 (en) | 2008-09-23 |
CN101410692A (en) | 2009-04-15 |
TWI365284B (en) | 2012-06-01 |
TW200806979A (en) | 2008-02-01 |
CN101410692B (en) | 2011-06-15 |
KR20080111493A (en) | 2008-12-23 |
JP2009530866A (en) | 2009-08-27 |
US20070223011A1 (en) | 2007-09-27 |
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