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 6576 - 6600 of 13218

Spectrum Sensing with WLAN Access Points

January 5, 2016
Author(s)
Jason Coder, Ryan T. Jacobs, Vivian Musser
… With wireless communication becoming more and more common in simple everyday devices, the available spectrum is quickly … To better understand the quantity and type of traffic in congested environments, a potential spectrum sensing solution in the ISM bands is discussed. If the electromagnetic …

DEVELOPING NIST ROCKWELL HARDNESS DIAMOND INDENTER SRMS BASED ON ISO 6508-3:2015 STANDARD

August 30, 2015
Author(s)
Jun-Feng Song, Samuel R. Low III, Thomas B. Renegar, Li Ma
… of Rockwell diamond indenters (0.5 μm for maximum). In the recent issued ISO 6508-3:2015 standard, significant … XXI IMEKO World Congress “Measurement in Research and Industry” August 30 ¿ September 4, 2015, … Proceedings of XXI IMEKO World Congress “Measurement in Research and Industry” …

Monitoring Process Variability for Stationary Process Data

June 20, 2014
Author(s)
Nien F. Zhang, Adam L. Pintar
… Processes that arise naturally, e.g., from manufacturing or the environment, often exhibit complicated … structures. When monitoring such a process for changes in variance, accounting for that autocorrelation structure is … some specific autocorrelated processes have been proposed in the past, the chart presented in this article can handle …

TSV REVEAL HEIGHT AND BUMP DIMENSION METROLOGY BY THE TSOM METHOD: FROM NANOMETER TO MICROMETER SCALE

January 23, 2013
Author(s)
Ravikiran Attota, Victor Vertanian, Steve Olson, Robert Edgeworth, Iqbal Ali, Craig Huffman, Pate Moschak, Harry Lazier, Elizabeth Lorenzini
… time, is particularly important for high volume manufacturing. These two attributes make TSOM advantageous … to through-silicon via (TSV) reveal height measurements in the 3-5 micron range, as well as to C4 and micro-bump features. In addition, the sensitivity of the technique to TEOS liner …

Robotic Patient Lift and Transfer

December 31, 2008
Author(s)
Roger V. Bostelman, James S. Albus
… including leveraging the NIST Mobility Program research in this area. Improvements to the HLPR Chair design for …

Knowledge and Uniformity

October 16, 2008
Author(s)
H V. Oppermann
… regulations uniformly across the country. Inconsistency in these practices undermines the effectiveness of weights …

NIST Reference Material (RM) 8240/2350 Project-Standard Bullets and Casings

January 1, 2003
Author(s)
Jun-Feng Song, Theodore V. Vorburger, Robert A. Clary, Li Ma, M Ols, Eric P. Whitenton
… National Integrated Ballistics Information System (NIBIN) in the U.S. Based on a numerically controlled diamond turning … technique, 20 RM 8240 standard bullets were fabricated in 2002. Test results show high repeatability and …

TWA 27 - Characterisation Methods for Ceramic Powders and Green Bodies

November 1, 2000
Author(s)
R Wasche, M Naito, S Jahanmir
… and green bodies because they are important for ceramic manufacturing processes. In this regard, the proposed workencompasses three dirrerent … methods for green body characterisationActivities in these areas are important for enhancement of future …

New Antenna Positioner Improves NIST's Capabilities

October 1, 1999
Author(s)
G. Kangiser, Dennis G. Camell
… throughout a known RF field Measurements are usually made in an anechoic chamber. A robotic six axis antenna positioner was needed that would work in this environment at NIST Discusses NIST's vendor selection …

Just How Perfect Can a Perfect Crystal Be?

June 1, 1999
Author(s)
R Deslattes, Ernest G. Kessler, S M. Owens, David R. Black, Albert Henins
… show evidence appear addressable by technical improvements in the production process, have a much larger effect than is …

Migration Plan for Product Data Standards

February 1, 1996
Author(s)
Mary Mitchell, William Gruttke
A significant benefit of using standards is that standards ease the migration from one computing environment to another. But what happens when the migration if from one standard to another? The organization that led the creation of both has committed to

Radiation Scattered by Two Touching Spheres

June 20, 1994
Author(s)
Egon Marx
During the manufacture of powder metal, the size distribution of the metal spheres can be determined to some extent by the distribution of light scattered by the spheres while they are streaming by a laser beam. Micrographs show the presence of chains of

A Scheme for Translating Control Flow in the C Programming Language to Grafacet with Examples

January 1, 1988
Author(s)
Bruce Thomas
… paper is to show a translation scheme from control flow in the C programming language to the Grafcet language. … flow. Grafcet is used to design paralleled systems such as in a manufacturing environment. The control constructs covered in … A Scheme for Translating Control Flow in the C Programming Language to Grafacet with Examples …

Templated CDA:Key Concept for Interoperability

May 31, 2011
Author(s)
Liora Alschuler
… This document supplements information about “templated CDA” in the context of the Healthcare Information Technology (HIT) Standards Analysis Project carried out by … Group for the National Institute of Standards and Technology (NIST). …

Guide to Securing WiMAX Wireless Communications

September 30, 2010
Author(s)
Karen A. Scarfone, Cyrus Tibbs, Matt Sexton
… provide recommendations on using these capabilities. WiMAX technology is a wireless metropolitan area network (WMAN) technology based upon the IEEE 802.16 standard. It is used … access, long-range wireless backhaul, and access layer technology for mobile wireless subscribers operating on …

Development of Surgical Lighting for Enhanced Color Contrast

May 14, 2007
Author(s)
Maritoni A. Litorja, Steven W. Brown, Maria E. Nadal, David W. Allen, Alexander Gorbach
… The National Institute of Standards and Technology and the National Institutes of Health have started … tissues, contrast with respect to its surroundings. In this paper we describe existing NIST technologies utilized … color rendering and the new spectrally tunable lighting technology. We will also discuss the reference camera …

Quantitative Surface Analysis by Electron Spectroscopy

April 1, 1978
Author(s)
Cedric J. Powell
… project under the Implementing Agreement between the Technology Administration, U.S. Department of Commerce, and the Agency of Industrial Science and Technology, Japanese Ministry of International Trade and Industry on Cooperation in Research and Development in Civil Industrial Technology. …

A Welding Cell With Its Own Web Site

January 1, 2000
Author(s)
Timothy P. Quinn
… Communications technology is allowing welding engineers to interact in the operation of a welding cell from a distance, as if … The cell that the National Institute of Standards and Technology (NIST) developed sends images of the weld, welding …

Modeling Superconformal Electrodeposition Using an Open Source PDE Solver

October 16, 2008
Author(s)
Daniel Wheeler, Jonathan E. Guyer
… of high aspect ratio features such as trenches or vias in the Damascene metallization process. Superconformal … particular combinations of chemical additives are included in an electrolyte. The additives enable preferential metal … walls close off, avoiding the formation of voids or seams in the feature. In order to predict and characterize this …

Four terminal-pair measurements of ceramic capacitors

June 28, 2024
Author(s)
Stephan Schlamminger, Yicheng Wang, Andrew Koffman, Jordan Love
… for the complete model. First, the location of the pole in the admittance in the frequency range from 100 kHz to 20 MHz. This … bridge. From these two measurements, the relative change in frequency for frequencies ranging from 100 Hz to 100 kHz … Proceedings of IEEE Instrumentation and Measurement Technology Conference …
Displaying 6576 - 6600 of 13218
Was this page helpful?