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Search Publications

NIST Authors in Bold

Displaying 12976 - 13000 of 17285

Algebraic Constraints Implying Monotonicity for Cubics

January 1, 2000
Author(s)
Charles D. Fenimore, John M. Libert, M. Brill
While it is straightforward to formulate constraints which ensure a cubic polynomial is monotonic on an interval, such constraints may not be in a form which is suitable for use in standard optimization software. The MATLAB package is typical; the required

Digital Video Test Collection

September 15, 1999
Author(s)
Carolyn M. Schmidt, Paul D. Over
… By the end of 1999, the National Institute of Standards and Technology (NIST) plans to release the first …

Toward a Unified Advanced CD-SEM Specification for Sub 0.18 Micrometer Technology

June 1, 1998
Author(s)
J Allgair, C Archie, W Banke, H Bogardus, J Griffith, H Marchman, Michael T. Postek, L Saraf, J Schlesinger, B Singh, N. Sullivan, L Trimble, Andras Vladar, A Yanof
The stringent critical dimension (CD) control requirements in cutting edge device facilities have placed significant demands on metrologists and upon the tools they use. We are developing a unified, advanced critical dimension scanning electron microscope

Controls and Sensors for Advanced Manufacturing

January 1, 1994
Author(s)
Frederick M. Proctor
This paper describes research into improving the performance of machine tools and robots. Techniques for improving accuracy, such as thermal compensation, automatic teaching, and force-based surface and edge finishing, are described. These techniques have

FED-X: The NIST Express Translator

October 1, 1992
Author(s)
Steve Clark, Donald E. Libes
The Product Data Exchange using STEP (PDES) is an emerging standard for the exchange of product information among various manufacturing applications. PDES includes an information model written in the Express language; other PDES-related information models

Usinf the ALPS Process Plan Model

January 1, 1992
Author(s)
Steven R. Ray
… a language under development at the National Institute of Standards and Technology (NIST). This paper presents a series …

A Control System for an Automated Manufacturing Research Facility

January 1, 1984
Author(s)
James S. Albus, Tony Barbera, M L. Fitzgerald, Ernest Kent, Charles R. McLean, H Mccain, Howard Bloom, L Haynes, Cita M. Furlani, Edward J. Barkmeyer Jr., Mary Mitchell, Harry A. Scott, D Blomquist, R Kilmer
… Manufacturing Research Facility at the National Bureau of Standards. Three workstations (A horizontal milling, a …

The NIST Project for the Electronic Realization of the Kilogram

Author(s)
Richard L. Steiner, David B. Newell, Edwin R. Williams, Ruimin Liu, Pierre Gournay
The project, the Electronic Realization of the Kilogram, has rebuilt the NIST Watt balance, which has been fully operational for nine months. Short-term noise is at an all time low with overnight runs exhibiting standard deviations of parts in 108. Recent

Determination of Seventeen Major and Trace Elements in New Float Glass Standards for Use in Forensic Comparisons using Laser Ablation Inductively Coupled Plasma Mass Spectrometry

March 23, 2021
Author(s)
Jose Almirall, Anuradha Akmeemana, Katelyn Lambert, Ping Jiang, Ela Bakowska, Ruthmara Corzo, Claudia Martinez Lopez, Edward C. Pollock, Katrin Prasch, Tatiana Trejos, Peter Weis, Wim Wiarda, Huifang Xie, Peter Zoon
… of Seventeen Major and Trace Elements in New Float Glass Standards for Use in Forensic Comparisons using Laser …

Activity measurements and calibrations for 225Ac in radioactive equilibrium with its progeny

December 9, 2024
Author(s)
Denis Bergeron, Gulakhshan Hamad, Brittany Broder, Jeffrey Cessna, Adam Pearce, Jerome LaRosa, Leticia Pibida, Brian E. Zimmerman
The massic activity of 225Ac in 0.1 mol/L HCl was measured by multiple primary methods over four consistent measurement campaigns. Results from the triple-to-double coincidence ratio (TDCR) method of liquid scintillation (LS) counting were in accord with
Displaying 12976 - 13000 of 17285
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