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You searched on: Author: ronald dixson

Displaying records 11 to 20 of 117 records.
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11. Robust Auto-Alignment Technique for Orientation-Dependent Etching of Nanostructures
Published: 5/29/2012
Authors: Craig D. (Craig) McGray, Richard J Kasica, Ndubuisi George Orji, Ronald G Dixson, Michael W. Cresswell, Richard A Allen, Jon C Geist
Abstract: A robust technique is presented for auto-aligning nanostructures to slow-etching crystallographic planes in materials with diamond cubic structure. Lithographic mask patterns are modified from the intended dimensions of the nanostructures to compen ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908076

12. Contour Metrology using Critical Dimension Atomic Force Microscopy
Published: 4/9/2012
Authors: Ndubuisi George Orji, Ronald G Dixson, Andras Vladar, Bin Ming, Michael T Postek
Abstract: The critical dimension atomic force microscope (CD-AFM), which is used as a reference instrument in lithography metrology, has been proposed as a supplemental instrument for contour measurement and verification. However, although data from CD-AFM is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910915

13. On CD-AFM bias related to probe bending
Published: 4/9/2012
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. To characterize modern semiconductor devices, very small and flexible probes, often 15 nm to 20 nm in diameter, are now frequently used. Several recent publications have reported ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910903

14. Phase sensitive parametric optical metrology: Exploring the limits of 3-dimensional optical metrology
Published: 4/4/2012
Authors: Richard M Silver, Jing Qin, Bryan M Barnes, Hui Zhou, Ronald G Dixson, Francois R. Goasmat
Abstract: There has been much recent work in developing advanced optical metrology applications that use imaging optics for critical dimension measurements, defect detection and for potential use with in-die metrology applications. Sensitivity to nanometer sca ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911039

15. Traceable Calibration of a Critical Dimension Atomic Force Microscope
Published: 3/9/2012
Authors: Ronald G Dixson, Ndubuisi George Orji, Craig D. (Craig) McGray, John E Bonevich, Jon C Geist
Abstract: The National Institute of Standards and Technology (NIST) has a multifaceted program in atomic force microscope (AFM) dimensional metrology. One component of this program, and the focus of this paper, is the use of critical dimension atomic force ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908943

16. Strategies for Nanoscale Contour Metrology using Critical Dimension Atomic Force Microscopy
Published: 9/30/2011
Authors: Ndubuisi George Orji, Ronald G Dixson, Andras Vladar, Michael T Postek
Abstract: Contour metrology is one of the techniques used to verify optical proximity correction (OPC) in lithography models. The use of these methods, which are known as resolution enhancement techniques (RET), are necessitated by the continued decrease in f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909559

17. A Bayesian Statistical Model for Hybrid Metrology to Improve Measurement Accuracy
Published: 7/31/2011
Authors: Richard M Silver, Nien F Zhang, Bryan M Barnes, Jing Qin, Hui Zhou, Ronald G Dixson
Abstract: We present a method to combine measurements from different techniques that reduces uncertainties and can improve measurement throughput. The approach directly integrates the measurement analysis of multiple techniques that can include different conf ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908377

18. Traceable Calibration of a Critical Dimension Atomic Force Microscope
Published: 6/6/2011
Authors: Ronald G Dixson, Ndubuisi George Orji, Craig D. (Craig) McGray, Jon C Geist
Abstract: The National Institute of Standards and Technology (NIST) has a multifaceted program in atomic force microscope (AFM) dimensional metrology. One component of this effort is a custom in-house metrology AFM, called the calibrated AFM (C-AFM). The NI ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908552

19. A Traceable Scatterometry Measurement of a Silicon Line Grating
Published: 5/26/2011
Authors: Thomas Avery Germer, Heather J Patrick, Ronald G Dixson
Abstract: In this paper, we present a spectroscopic Mueller matrix ellipsometry measurement of a silicon line grating with nominal pitch of 600 nm and line width 100 nm. An uncertainty analysis is performed on the measurement results. The results are compare ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908506

20. Progress on CD-AFM tip width calibration standards
Published: 5/10/2011
Authors: Ronald G Dixson, Boon Ping Ng, Craig D. (Craig) McGray, Ndubuisi George Orji, Jon C Geist
Abstract: The National Institute of Standards and Technology (NIST) is developing a new generation of standards for calibration of CD-AFM tip width. These standards, known as single crystal critical dimension reference materials (SCCDRM) have features with ne ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911343



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