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NIST Authors in Bold

Displaying 10126 - 10150 of 13225

NIST Sampling System for Accurate AC Waveform Parameter Measurements

April 1, 2007
Author(s)
David I. Bergman
… efforts at the National Institute of Standards and Technology to develop a waveform sampling and digitizing … measurements over the frequency range of 10 Hz to 1 MHz. In the frequency range from 1 kHz to 1 MHz, the sampler''s … available from the best commercial digital multimeter. In ac-ac comparisons referenced to 1 kHz, the system agrees …

Advanced Metrology Needs for Nanoelectronics Lithography

October 1, 2006
Author(s)
Stephen Knight, Ronald Dixon, Ronald L. Jones, Eric Lin, Ndubuisi G. Orji, Richard M. Silver, Andras Vladar, Wen-li Wu
… over four decades. While enormous effort has been expended in developing the optical lithography tools to print ever … have also been required to measure the printed features. In this article we will discuss the current state of the art … describe work at the National Institute of Standards and Technology advancing these tools as well as exploratory work …

5th Annual PKI R&D Workshop "Making PKI Easy to Use" Proceedings

July 18, 2006
Author(s)
William T. Polk, Nelson E. Hastings, Kent Seamons
… and government to explore the remaining challenges in deploying public key authentication and authorization … at the workshop. The workshop also included a work-in-progress session and, new this year, an informal rump …

The evaluation of an autosomal SNP 12-plex assay

April 1, 2006
Author(s)
Peter M. Vallone, Amy E. Decker, Michael D. Coble, John M. Butler
… SNPs have the potential to play a useful role in human identification testing. Small PCR amplicon sizes … low copy number situations. SNP markers can be useful in combination with STRs for resolving complex paternity …

Effect of Shear Flow on Multi-Component Polymer Mixtures

January 1, 2006
Author(s)
Charles C. Han, Yonghua Yao, C.L. Zhang, Erik K. Hobbie
… There is considerable interest in the phase behavior of multi-component polymer mixtures, … blends, due to their broad technological importance in the plastics industry. Traditionally, quiescent conditions … past work emphasizing two different but related aspects. In contrast, the response of polymer blends and solutions to …

Comparison Between Observed and Simulated Flame Structures in Poorly Ventilated Compartment Fires.

September 18, 2005
Author(s)
Zhixin Hu, Arnaud Trouve, Y Utiskul, J G. Quintiere
… (FDS) developed by the National Institute of Standards and Technology, USA. The comparative tests serve to evaluate the … transition from extinction-free conditions to conditions in which the flame experiences partial or total quenching. … Comparison Between Observed and Simulated Flame Structures in Poorly Ventilated Compartment Fires. …

Dynamic Modeling and Vibration Analysis of a UHV Scanning Tunneling

August 17, 2005
Author(s)
Sumanth B. Chikkamaranahalli, R. R. Vallance, Bradley N. Damazo, Richard M. Silver, James D. Gilsinn
… picometer precision. This requirement must be satisfied in the presence of external vibrations with micrometer … amplitude, temperature drifts and acoustic perturbations. In this manuscript, the results of dynamic modeling and … and tested at the National Institute of Standards and Technology (NIST) are presented. The design of an eddy …

4th Annual PKI R&D Workshop "Multiple Paths to Trust" Proceedings

August 1, 2005
Author(s)
Clifford Neuman, William Polk, Nelson Hastings
… and government to explore the remaining challenges in deploying public key authentication and authorization … at the workshop. The workshop also included a work-in-progress session and a birds-of-a-feather session during …

NIST Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 2003 Organic Intercomparison Exercises; Exercise Materials: Mussel Tissue XI (QA03TIS1) and Marine Sediment XII (QA03SED12)

June 1, 2005
Author(s)
Michele M. Schantz, John R. Kucklick, Reenie M. Parris, Dianne L. Poster, Stephen A. Wise
… In support of marine monitoring measurement programs, the National Institute of Standards and Technology (NIST) conducts yearly interlaboratory comparison … the quality and comparability of their performance in measuring selected organic contaminants in environmental …

Mapping Wetting / Dewetting Transition Line In Ultrathin Polystyrene Films Combinatorially

January 1, 2005
Author(s)
K M. Ashley, D T. Raghavan, Jack F. Douglas, Alamgir Karim
… require uniform and stable thin polymeric films for use in paints, adhesives, electronic packaging, and biotechnology … mapped out a transition line between wetting and dewetting in thin polymer films as a function of temperature and … Mapping Wetting / Dewetting Transition Line In Ultrathin Polystyrene Films Combinatorially …

3rd Annual PKI R&D Workshop Proceedings

September 8, 2004
Author(s)
K I. Sankar, William Polk, Nelson Hastings
… and government to explore the remaining challenges in deploying public key authentication and authorization … at the workshop.The workshop also included a work-in-progress session and a birds-of-a-feather session during …

The Cesium Physics Package Design for the PARCS Experiment

August 23, 2004
Author(s)
Eric A. Burt, William Klipstein, Steven R. Jefferts
… The Primary Atomic Reference Clock in Space (PARCS) is a collaboration between the National Institute of Standards and Technology (NIST), the Jet Propulsion Laboratory (JPL) and … experiment are (1) to demonstrate laser cooling of atoms in space, (2) to use laser cooling to build the most accurate …

Low temperature optical photon detectors for quantum information applications

March 11, 2004
Author(s)
Sae Woo Nam, Aaron J. Miller, Danna Rosenberg
… There is increasing interest in using high-performance cryogenic optical photon detectors in a variety of applications in quantum information science and technology. These applications require detectors that have … Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers …

Effects of Materials Chemistry and Morphology on Conductometric Sensor Signals

February 1, 2004
Author(s)
Douglas C. Meier, Stephen Semancik
… Observation of conductance changes in material films upon their interactions with gas phase … of operation of the chemical microsensors being developed in the Chemical Sciences and Technology Laboratory at NIST. These interactions are based …

Electrostatics for Exploring the Nature of the Hydrogen Bonding in Poly-ethylene Oxide Hydration

February 1, 2004
Author(s)
Y Aray, M Marquez, J Rodriguez, D Vega, Y Simon-Manso, S Coll, Carlos A. Gonzalez, D A. Weitz
… many of which depend upon the properties of the polymer in aqueous solution. [1] It is commonly used as lubricants, … recovey agents of tertiary oils and as friction reducers in the flow of water through ducst and channels. [2-6] PEO … researchers have focused their attention to the use of PEO in biomedial applications. [11] Given that PEO is generally …

High-Throughput Measurements of Polymer Adhesion and Mechanical Properties

September 1, 2003
Author(s)
Christopher Stafford, Aaron M. Forster, C Harrison, Cher H. Davis, Eric J. Amis, Alamgir Karim
… - polymer, metal, ceramic, and biomaterial interfaces in multivariable environments. Current methods for … by both experimental geometry and throughput issues. In response to this, we describe a methodology for … measuring the adhesive strength of polymer interfaces in a combinatorial manner. Likewise, we describe a simple, …

Measurement of Large Scale Oil Spill Burns (NIST SP 995)

March 1, 2003
Author(s)
D D. Evans, William D. Walton, Howard R. Baum, James R. Lawson, Ronald G. Rehm, Richard H. Harris Jr., A Ghoniem, J Holland
… combustion characteristics of crude oil have been measured in large laboratory tests using a nominal one meter diameter … burning at operational scale during field trials of the technology. Field scale measurement techniques for fire … sampling, plume trajectory are described. Progress in the calculation of particulate deposition downwind of the …

High Precision Measurement of Reflectance for Films Under Substrates

December 1, 2002
Author(s)
Xiao Tang, Jian Zheng
… is proposed by the National Institute of Standards and Technology (NIST). The proposed method is a modification of the current standard, as described in Annex D of the Standard ECMA-167, second edition, for … The experiment shows that the optical losses could be, in some cases, as much as 2% of the incident light power. By …

Procedures for Handling Security Patches

August 1, 2002
Author(s)
Peter M. Mell, Miles C. Tracy
… patched is the most common mistake made by information technology (IT) professionals. To help address this growing …

Quantum Computing and Communication

June 28, 2002
Author(s)
Paul E. Black, David R. Kuhn, Carl J. Williams
… the theory of quantum computing has advanced significantly in the past decade, and is becoming a significant discipline in itself. This article explains the concepts and basic … be the first practical application for quantum information technology. … Advances in Computers …
Displaying 10126 - 10150 of 13225
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