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You searched on: Author: richard silver

Displaying records 81 to 90 of 118 records.
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81. Developing Atomic-Resolution Measurements Using a Tunable Diode Laser-Based Interferometer
Published: 10/1/2003
Authors: Hui Zhou, Bradley N Damazo, S Gonda, Richard M Silver
Abstract: A new implementation of a Michelson interferometer capable of resolution on the order of 20 pm has been developed.  This new method uses a tunable diode laser as the light source with the diode laser wavelength continuously tuned to fix the numb ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822230

82. Dependency of Morphology on Miscut Angle for Si(111) Etched in NH^d4^F
Published: 5/1/2003
Authors: Joseph Fu, Hui Zhou, John A Kramar, Richard M Silver, S Gonda
Abstract: Using scanning probe microscopy, we have examined the surfaces produced by etching several different vicinal Si(111) samples in NH^d4^F aqueous solution. In agreement with others, we found that deoxygenation of the etchant generally reduces the numbe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823151

83. Calibration Strategies for Overlay and Registration Metrology
Published: 5/1/2003
Authors: Richard M Silver, Michael T. Stocker, Ravikiran Attota, M R Bishop, Jay Shi Jun, Egon Marx, M P Davidson, Robert D. Larrabee
Abstract: Critical dimensions in current and next generation devices are driving the need for tighter overlay registration tolerances and improved overlay metrology tool accuracy and repeatability. Tool matching, performance evaluation, model-based metrology, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821977

84. Dependence of Morphology on Miscut Angle for Si(111) Etched in NH(4)F
Published: 5/1/2003
Authors: S Gonda, Joseph Fu, John A Kramar, Richard M Silver, Hui Zhou
Abstract: Using scanning probe microscopy, we have examined the surfaces produced by etching several different vicinal Si(111) samples in NH(4)F aqueous solution. In agreement with others, we found that deoxygenation of the etchant generally reduces the number ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822425

85. New Method to Enhance Overlay Tool Performance
Published: 5/1/2003
Authors: Ravikiran Attota, Richard M Silver, Michael T. Stocker, Egon Marx, Jay Shi Jun, M P Davidson, Robert D. Larrabee
Abstract: New methods to enhance and improve algorithm performance and data analysis are being developed at NIST for overlay measurement applications. Both experimental data and improved theoretical optical scattering models have been used for the study. We ha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822023

86. Overlay Metrology Simulations: Analytical and Experimental Validations
Published: 5/1/2003
Authors: Joel L Seligson, B Golovanevsky, J M Poplawski, M E Adel, Richard M Silver
Abstract: We have previously reported on an overlay metrology simulation platform, used for modeling both the effects of overlay metrology tool behavior and the impact of target design on the ultimate metrology performance. Since our last report, the simulatio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821975

87. A New Design and Uncertainty Budget for a Metrology UHV-STM Used in Direct Measurements of Atom Spacings
Published: 7/1/2002
Authors: S Gonda, Hui Zhou, Joseph Fu, Richard M Silver
Abstract: A basic scheme of direct, highly accurate dimensional measurements of nanostructures is presented. We have constructed a scanning tunneling microscope (STM) unit combined with a diode laser-based Michelson interferometer module. The compact size of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821757

88. Comparison of Measured Optical Image Profiles of Silicon Lines with Two Different Theoretical Models
Published: 7/1/2002
Authors: Richard M Silver, Ravikiran Attota, Michael T. Stocker, Jay Shi Jun, Egon Marx, Robert D. Larrabee, B Russo, M P Davidson
Abstract: In this paper we describe a new method for the separation of too-induced measurement errors and sample-induced measurement errors. We apply the method to standard overlay target configurations. This method is used to separate the effects of the tool ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821754

89. A Macro-Micro Motion System for a STM
Published: 6/13/2002
Authors: Bradley N Damazo, James D Gilsinn, Richard M Silver, Hui Zhou
Abstract: As nano-lithography improves, more companies and research groups have the capability to create nano-scale structures. Scanning Tunneling Microscopes (STMs) are commonly used to create these structures and evaluate them afterward. One difficulty is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821683

90. Effects of Etching Time and Wafer Miscut on the Morphology of Etched Si(111) Surfaces
Published: 1/1/2002
Authors: Hui Zhou, Joseph Fu, S Gonda, Richard M Silver
Abstract: In order to meet leading edge and future measurement and calibration needs, NIST has been pursuing the development of atom-based dimensional standards and measurement methods. There are a few new, key concepts underlying this effort, which are intend ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821761



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