U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 7851 - 7875 of 13218

Latent Fingerprint Performance Modeling

January 14, 2008
Author(s)
Vladimir N. Dvornychenko
… This paper describes aspects of work done at NIST, in concert with the latent fingerprint community, toward … 20th Annual Symposium: Electronic Imaging, Science & Technology …

TDR Permittivity Measurements of Dielectric Films

May 15, 2006
Author(s)
Jan Obrzut, R Nozaki
… analysis of the incident and the reflected voltage waves. In order to improve accuracy at higher frequencies, the … lumped element model is corrected of the wave propagation in the specimen section. The applicability of the method has … and impedance characteristics, which is very useful in high-frequency characterization of embedded passive …

R-22 Replacement Status (in Chinese)

September 17, 2004
Author(s)
J M. Calm, Piotr Domanski
… Since its initial recognition in 1928 and commercialization in 1936, R-22 has been applied in systems ranging from the smallest window air conditioners … R-22 Replacement Status (in Chinese) …

Flow Simulation of a Microfluidic Analog of the Four-Roll Mill

March 1, 2004
Author(s)
Frederick R. Phelan Jr., Steven Hudson
… geometries for liquid state materials characterization in microfluidic devices are investigated using finite element … function of the four-roll mill. Channel flow geometries in which the full range of linear flows (extension, shear and rotation) can be approximated in the neighborhood surrounding a stagnation point are …

Polymer Dynamics and Diffusive Properties in Ultra-Thin Photoresist Films

February 1, 2003
Author(s)
Christopher L. Soles, Ronald L. Jones, Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Vivek M. Prabhu, Wen-Li Wu, Eric K. Lin, D L. Goldfarb, M Angelopoulos
… thin film confinement effects on the diffusive properties in poly(tert-butoxycarboxystyrene) (PBOCSt). Bilayer … faster) native to the PBOCSt polymer. The reduced mobility in the thin PBOCSt films is further confirmed with moisture … film thickness drops below 500 there is a strong reduction in the diffusivity of water in the film. In total, these are …

Phase Relationships and Phase Formation in the System BaF 2 -BaO-Y 2 O 3 -CuO x -H 2 O

January 1, 2002
Author(s)
Winnie K. Wong-Ng, Lawrence P. Cook, J Suh, Igor Levin, Mark D. Vaudin, Ron Feenstra, James P. Cline
… of the Ba2YCu3O6+x (Y-213) phase from starting materials in the quaternary reciprocal system Ba,Y,Cu//O,F. For … analysis (DTA) for study of the melting equilibria and in-situ high-temperature x-ray diffraction (HTXRD) for study … is continuing to determine whether similar events observed in the interior of the system also indicate low temperature …

ITS-90 Calibration of Radiation Thermometers for RTP Using Wire/Thin-Film Thermocouples on a Wafer

June 1, 2001
Author(s)
Christopher W. Meyer, D P. DeWitt, Kenneth G. Kreider, Francis J. Lovas, Benjamin K. Tsai
… thermometers (LPRTs) are the sensor system of choice in RTP tools. They can be calibrated against blackbodies with an uncertainty (k=1) less than 0.3 C. In an RTP tool, however, account must be made for wafer … two complementary approaches for accomplishing this: 1) in situ calibration using high-accuracy wire/thin-film …

SiC Power Diodes Provide Breakthrough Performance for a Wide Range of Applications

December 31, 2000
Author(s)
Allen R. Hefner Jr., Ranbir Singh, Jih-Sheng Lai, David W. Berning, Sebastien Bouche, Christophe C. Chapuy
… and compared to commercially available Silicon (Si) diodes in the voltage range from 600 V through 5000 V. The … advantages over Si diodes optimized for various voltages in the range of 600 V through 1500 V. It is also shown that a … advantages over Si diodes optimized for various voltages in the range of 2000 V through 5000 V. In a test case power …

Workshop on Evaluating Collaborative Enterprises - Workshop Report

June 1, 2000
Author(s)
Robert Allen, Amy Knutilla, Michelle P. Steves
The workshop, Evaluating Collaborative Engerprises, explored the issues surrounding the evaluation of collaborative systems including methods and tools for evaluating collaborative software as well as application-specific evaluation experiences. This paper

Liquid Piston Based on Molecular Springs for Energy Storage Applications

September 15, 2023
Author(s)
Mehdi Hashemi-Tilehnoee, Nikolay Tsirin, Victor Stoudenets, Yuriy Bushuev, Miroslaw Chorazewski, Mian Li, Dan Li, Juscelino Leao, Markus Bleuel, Pawel Zajdel, Elena Palomo Del Barrio, Yaroslav Grosu
… Liquid piston is a method for pressure transmission used in a wide range of technologies. Currently, liquid piston is … element solely used to apply pressure to a working body. In this work, the concept of liquid piston based on molecular … study, it is demonstrated that energy density for this technology can be enhanced 5 times by replacing water with a …

Towards Establishing Compact Imaging Spectrometer Standards

March 31, 2016
Author(s)
David W. Allen, Elmer T. Slonecker, Ronald G. Resmini
… science is currently undergoing a tremendous expansion in the area of hyperspectral imaging (HSI) technology. Spurred largely by the explosive growth of … Survey and the National Institute of Standards and Technology are eveloping draft standards to meet these …

Priorities for Standards and Measurements to Accelerate Innovations in Nano-electrotechnologies: Analysis of the NIST-Energetics-IEC-TC-113 Survey

March 3, 2009
Author(s)
Herbert S. Bennett, Joan Pellegrino, Howard Andres, Winnie Kwok
… In 2008, the National Institute of Standards and Technology … tools that support performance assessments of nano-technology enabled sub-assemblies used in energy, medical, … for Standards and Measurements to Accelerate Innovations in Nano-electrotechnologies: Analysis of the …

ISO/IEC JTC 1 SC 37's Response to the Global Challenges and Customer Needs for Strong Personal Authentication and Enhanced Security

September 5, 2005
Author(s)
Fernando L. Podio
… and they can also overcome their weaknesses. World events in the last few years have increased the global interest for … priorities have emphasized the need for biometrics in Machine Readable Travel Documents, employee identification … applications. Deploying new and secure information systems in support of these new global priorities require a …

Earning the Stamp of Approval: How to Achieve Optimal Usability

January 1, 2003
Author(s)
Susan L. Makar
… Since the NIST Virtual Library (NVL) was first launched in 1994, scientists and engineers at the National Institute of Standards and Technology have relied on it for their research needs. The … is to develop and promote measurements, standards, and technology to enhance productivity, facilitate trade, and …

Flammability of Polystyrene-Clay Nanocomposites

January 1, 2000
Author(s)
A B. Morgan, Jeffrey W. Gilman, Richard H. Harris Jr., C L. Jackson, C A. Wilkie, J Zhu
… Research in the area of condensed phase flame retardants for polymers … flammability resistance. No major new flame retardant (FR) technology has emerged in this area for quite some time. … The research presented here combines Fricdel Crafts technology with clay to obtain an improved flame-resistant …

MatML Editor: Technical Documentation

February 19, 2017
Author(s)
J Bakoczy, E F. Begley
… technical documentation for the MatML Editor, an enabling technology intended to support widespread adoption of the …
Displaying 7851 - 7875 of 13218
Was this page helpful?