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You searched on: Author: richard silver

Displaying records 11 to 20 of 118 records.
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11. Fourier Domain Optical Tool Normalization for Quantitative Parametric Image Reconstruction
Published: 9/5/2013
Authors: Jing Qin, Richard M Silver, Bryan M Barnes, Hui Zhou, Francois R. Goasmat
Abstract: There has been much recent work in developing advanced optical metrology methods that use imaging optics for critical dimension measurements and defect detection. Sensitivity to nanometer scale changes has been observed when measuring critical dimens ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913587

12. Harnessing 3D Scattered Optical Fields for sub-20 nm Defect Detection
Published: 6/24/2013
Authors: Bryan M Barnes, Martin Y Sohn, Francois R. Goasmat, Hui Zhou, Richard M Silver, Abraham Arceo
Abstract: Experimental imaging at =193 nm of sub-resolved defects performed at several focus positions yields a volume of spatial and intensity data. Defects are located in a differential volume, given a reference, with up to 5x increase in sensitivity ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913510

13. 3-D Optical Metrology of Finite sub-20nm Dense Arrays With sub-nanometer Parametric Uncertainties
Published: 6/23/2013
Authors: Jing Qin, Hui Zhou, Bryan M Barnes, Ronald G Dixson, Richard M Silver
Abstract: A new approach that involves parametric fitting of 3-D scattered field with electromagnetic simulation, Fourier domain normalization, and uncertainties analysis is presented to rigorously analyze 3-D through-focus optical images of targets that scatt ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913511

14. Distributed Force Probe Bending Model of CD-AFM Bias
Published: 4/1/2013
Authors: Vladimir A. Ukraintsev, Ndubuisi George Orji, Theodore Vincent Vorburger, Ronald G Dixson, Joseph Fu, Richard M Silver
Abstract: Critical Dimension AFM (CD-AFM) is a widely used reference metrology technique. To characterize modern semiconductor devices, small and flexible probes, often 15 nm to 20 nm in diameter, are used. Recent studies have reported uncontrolled and signif ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912266

15. 3-D Optical Metrology of Finite sub-20 nm Dense Arrays using Fourier Domain Normalization
Published: 3/25/2013
Authors: Jing Qin, Hui Zhou, Bryan M Barnes, Ronald G Dixson, Richard M Silver
Abstract: Reduced target dimensions requiring improved resolution and sensitivity have driven the need to use and analyze the phase and scattered frequency information available when using image-based scatterometry systems. One such system is scatterfield micr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912961

16. Quantitative Characterization and Applications of A 193 nm Scatterfield Microscope
Published: 3/25/2013
Authors: Martin Y Sohn, Bryan M Barnes, Richard M Silver
Abstract: With decreasing feature sizes in semiconductor manufacturing, there is an acute demand for measurements of both critical dimensions (CD) and defects on the nanometer scale that must also be non-destructive measurement and provide high throughput1. Sc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912991

17. SCATTERFIELD MICROSCOPY, REVIEW OF TECHNIQUES THAT PUSH THE FUNDAMENTAL LIMITS OF OPTICAL DEFECT METROLOGY
Published: 3/25/2013
Authors: Richard M Silver, Bryan M Barnes, Francois R. Goasmat, Hui Zhou, Martin Y Sohn
Abstract: The semiconductor manufacturing industry is now facing serious challenges in achieving defect detection rates with acceptable throughput and accuracy. With conventional bright-field and dark- field inspection methods now at their limits, it has b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913246

18. Multiple-order Imaging for Optical Critical Dimension Metrology using Microscope Characterization
Published: 10/11/2012
Authors: Jing Qin, Hui Zhou, Bryan M Barnes, Francois R. Goasmat, Ronald G Dixson, Richard M Silver
Abstract: There has been much recent work in developing advanced optical metrology applications that use imaging optics for optical critical dimension (OCD) measurements, defect detection, and for potential use with in-die metrology applications. We have previ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912169

19. Improving optical measurement uncertainty with combined multitool metrology using a Bayesian approach
Published: 8/30/2012
Authors: Nien F Zhang, Richard M Silver, Hui Zhou, Bryan M Barnes
Abstract: Recently, there has been significant research investigating new optical technologies for dimensional metrology of features 22 nm in critical dimension and smaller. When modeling optical measurements, a library of curves is assembled through the simul ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907847

20. Topography Measurements and Performance Comparisons between NIST SRM 2460 Standard Bullet Masters and BKA Bullet Replicas
Published: 7/31/2012
Authors: Jun-Feng Song, Theodore Vincent Vorburger, Robert Meryln Thompson, Susan M Ballou, Xiaoyu A Zheng, Thomas B Renegar, Richard M Silver
Abstract: Two Standard Reference Material (SRM) 2460 Bullets produced by the National Institute of Standards and Technology (NIST) were used as masters for the fabrication of replica bullets at the Bundeskriminalamt (BKA). The surface topography of the SRM ma ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908222



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