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NIST Authors in Bold

Displaying 5901 - 5925 of 13218

UPS Studies of Virgin CO on W(100)

January 1, 1976
Author(s)
D Sandstrom, B Waclawski
… temperature adsorption. Initial adsorption produces a peak in the emission spectrum at -7.6 eV (relative to the Fermi … data taken with hv=16.85, 26.9, and 40.81 eV are in general agreement with the measurements at 21.22 eV; … Journal of Vacuum Science and Technology …

Relaxation Energies in Chemisorption Spectroscopy

January 1, 1975
Author(s)
John William Gadzuk
… The upward shift in atomic energy levels (or decrease in electron binding energies) which occurs upon sorption of … potential shifts which have been previously discussed in chemisorption theories. … Journal of Vacuum Science and Technology … Relaxation Energies in Chemisorption Spectroscopy …

Integrating methods for phase equilibria and phase property data determination

December 29, 2008
Author(s)
Ursula R. Kattner
… materials development, improved optimization processes in engineering design and easier transition between design and manufacturing. Data are one of the fundamental components of ICME. The need for the use of computational tools in conjunction with experimental measurements to obtain these …

NIST efforts in extreme-ultraviolet metrology

November 21, 2023
Author(s)
Charles S. Tarrio, Steven Grantham, Rob Vest, Thomas A. Germer, Bryan Barnes, Stephanie Moffitt, Brian Simonds, Matthew Spidell
… several decades, the National Institute of Standards and Technology (NIST) has actively supported metrology programs … (EUV) lithography. We will describe our existing programs in optics lifetime, reflectometry, and radiometry. Recent … programs and expand our support for critical semiconductor manufacturing. …

An Interlaboratory Study of Potential Visible Protein-Like Particle Standards

November 1, 2022
Author(s)
Srivalli Telikepalli, Michael J. Carrier, Dean C. Ripple
… visual inspection and/or appearance testing practices used in the biotechnology industry. It will improve assay … companies. The National Institute of Standards and Technology (NIST) has conducted an interlaboratory study to … analysts from 6 formulation, 7 analytical, 4 QC, and 3 manufacturing labs. The circulated samples consisted of …

Workshop on the Characterization of Fiber-Based Scaffolds: Where We Are and What We Need to Move Forward

May 12, 2020
Author(s)
Carl Simon, Becky Robinson-Zeigler, Michael Yaszemski, Jayesh Doshi, Michael Francis, Sherif Soliman, Lexi Garcia
… and Measurements for Tissue Engineering Scaffolds. In response to the key findings from that workshop, the National Institute of Standards and Technology (NIST), ASTM International, BiofabUSA, and the … for a documentary standard guide that would aid developers in the selection of test methods for characterizing …

Certification of Standard Reference Material(R) 2859 and Standard Reference Material(R) 2861 Restricted Elements in Polyvinyl Chloride

April 1, 2020
Author(s)
John R. Sieber, John L. Molloy, Nathanael A. Heckert
… The National Institute of Standards and Technology has issued its first Standard Reference Materials … The custom designed PVC blends contain elements regulated in consumer products by the United States, the European … chromium, lead, mercury, and selenium. Also, present in the PVC blend are elements from performance additives: …

The Reach and Impact of the Remote Frequency and Time Calibration Program at NIST

August 27, 2018
Author(s)
Michael A. Lombardi
… The National Institute of Standards and Technology (NIST) has offered and provided remote frequency … time. They differ from traditional calibration services in at least two important ways. The first difference is that … to meet the frequency and time requirements of customers in a variety of public and private sectors. Initially, most …

Optical Properties of Meloxicam in the Far-Infrared Spectral Region

August 17, 2018
Author(s)
Yusuf S. Aytekin, Mustafa Koturk, Adam Zaczek, Timothy M. Korter, Edwin J. Heilweil, Okan Esenturk
… and by Fourier Transform Infrared (FTIR) spectroscopy in far-IR regions of electromagnetic spectrum; 0.2 THz to 20 THz. While many relatively sharp features are observed in the far-IR range between 2 THz to 20 THz as expected for … will be possible to perform not only at every stage of manufacturing without destruction but also directly at the …

Techniques to Evaluate Terrestrial Laser Scanner Errors

July 26, 2017
Author(s)
Bala Muralikrishnan, Prem K. Rachakonda
… data, they offer a way to reconstruct the photographs in any desired orientation from the measured data. TLSs do … Group (DMG) at the National Institute of Standards and Technology (NIST) has been working with TLS manufacturers to … only addresses the performance of these instruments in the ranging direction, however, most forensic scans are …

Process improvements in the production of silicon immersion gratings

June 26, 2016
Author(s)
Cynthia Brooks, Benjamin Kidder, Michelle Grigas, Daniel Jaffe, Ulf Griesmann, Daniel Wilson, Richard Muller
… the grating groove edges of silicon immersion gratings. In addition to our lithographic process using contact … allows us to manufacture gratings that can be used in first order, with groove spacing down to 0.5 micron or … are working with the National Institute of Standards and Technology using laser writing to explore the possibility of …

The Performance of an Auxiliary Heat Pump Water Heater Installed in a Dual-Tank System in a Net-Zero Energy Residence

January 27, 2016
Author(s)
Tania Ullah, William M. Healy
… In the effort to achieve low-energy operation of residential … thermal water heater with a 303 L (80 gal) storage tank in a net-zero energy test home located in Gaithersburg, MD, USA. The systems were subjected to a … of an Auxiliary Heat Pump Water Heater Installed in a Dual-Tank System in a Net-Zero Energy Residence …

Economic Impact of Improved Service-Life Prediction for Seams in Low-Slope EPDM Roofing

October 5, 2014
Author(s)
Douglas S. Thomas
… In the early part of the 1970's built-up-roofing dominated … due to disbonded seams located at buckles and ripples in the membrane. National Institute of Standards and Technology (NIST) researchers designed and constructed an … Impact of Improved Service-Life Prediction for Seams in Low-Slope EPDM Roofing …

Anomalous Behavior of Teflon-Based Helium Permeation Flow Standards

June 1, 2007
Author(s)
Patrick J. Abbott, Justin H. Chow
… Helium leak testing is a vital step in assuring product reliability for anything that must be packaged in a sealed container. Examples abound from blister packaging … certificate. The National Institute of Standards and Technology (NIST) calibrates helium permeation leak artifacts …

Report of the Workshop on Reliability Issues in Nanomaterials

January 1, 2007
Author(s)
Robert Keller, David T. Read, Roop L. Mahajan
… The Workshop on Reliability Issues in Nanomaterials was held at the Boulder Laboratories of the … was organized by the National Institute of Standards and Technology (NIST) and was designed to promote a particular … lead to re-design that is more reliable, and to improved manufacturing. The goal of accurate performance and lifetime …

Weights and Measures in the United States

April 11, 2006
Author(s)
Carol T. Hockert
… What does the weights and measures system in the United States look like, and what impact does it have … weights and measures system in areas such as enforcement, manufacturing, and industry, in order to establish and modify … and procedures, the National Institute of Standards and Technology Weights and Measures Division (NIST/WMD) provides …

Display Metrology Concerns International Standards

May 11, 2005
Author(s)
Paul A. Boynton
… involve limitations of the measuring instrumentation used in display characterization: spectral mismatch, non-linearity … capabilities and limitations, instill confidence in their ability to accurately measure display quality, and … facilities, or among different operators. They may be technology dependent, either upon the display under test or …
Displaying 5901 - 5925 of 13218
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