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Displaying 4226 - 4250 of 7112

Structure Characterization of Porous Interlevel Dielectric Films

June 21, 2004
Author(s)
Wen-Li Wu, Eric K. Lin, Christopher L. Soles
To extend the dielectric constant of interlevel dielectrics below a value of ~2.6 seen in today s IC chips, porous low-k material has been evaluated as a viable candidate by industries. In this paper, the current status and the future need in metrologies

Rotational Spectra of Seven Conformational Isomers of 1-Hexene

February 1, 2000
Author(s)
Gerald T. Fraser, R D. Suenram, C Lugez
The rotational spectra of 7 of the expected 13 conformational isomers of 1-hexene have been measured and assigned at a rotational temperature of 1 symmetry, as verified by the observation of a, b, and c-type electric-dipole transitions. The remaining

Ground Vehicle Control at NIST: from Teleoperation to Autonomy

August 1, 1993
Author(s)
Karl Murphy, Maris Juberts, Steven Legowik, M Nashman, H Schneiderman, Harry A. Scott, Sandor S. Szabo
NIST is applying their Real-time Control System (RCS) methodology for control of ground vehicles for both the U.S. Army Research Lab, as part of the DOD's Unmanned Ground Vehicles program, and for the Department of Transportation's Intelligent Vehicle /

Verification of a Model of Fire and Smoke Transport

January 1, 1993
Author(s)
Richard D. Peacock, Walter W. Jones, Richard W. Bukowski
A set of comparisons between a comprehensive room fire model and a range of real-scale fire experiments is presented. For these comparisons, a zone-based model, CFAST ('consolidated fire and smoke transport' model) is used. The model predicts the evolution

Critically Evaluated Atomic Transition Probabilities for Sulfur S I Through S XV

November 14, 2018
Author(s)
Larissa Podobedova, Daniel E. Kelleher, Wolfgang L. Wiese
Atomic transition probabilities for about 6700 allowed and forbidden lines of S I through S XV are tabulated, based on a critical evaluation of recent literature sources. The transition probabilities were obtained mainly from recent sophisticated

A portable cold 87Rb atomic clock with frequency instability at one day in the 10 -15 range

May 21, 2018
Author(s)
Joshua J. Savory, F G. Ascarrunz, L I. Ascarrunz, Alessandro L. Banducci, M C. Delgado Aramburo, Y Dudin, Steven R. Jefferts
We present a small portable cold 87Rubidium atomic clock with frequency uncertainty of less than 𝟑 × 𝟏𝟎 −𝟏𝟓 in one day of averaging time. The clock is under development at SpectraDynamics for the Defense Advanced Research Projects Agency (DARPA) Portable

Defeating Buffer Overflow: One of the Most Trivial and Dangerous Bugs of All!

October 31, 2016
Author(s)
Paul E. Black, Irena Bojanova
The C programming language was invented over 40 years ago. It is infamous for buffer overflows. We have learned a lot about computer science, language design, and software engineering since then. As it is unlikely that we will stop using C any time soon

256-Channel Magnetic Imaging System

January 18, 2008
Author(s)
Fabio C. da Silva, Sean Halloran, Anthony B. Kos, David P. Pappas
We present the design and fabrication of a magentoresistive imaging system capable of measuring 256 channels simultaneously along linear ranges of 4 mm and 13 mm. The channels are interfaced by custom electronics and the images are displayed in real time

256-channel magnetic imaging system

January 15, 2008
Author(s)
Fabio C. Da Silva, Sean Halloran, Anthony B. Kos, David P. Pappas
We present the design and fabrication of a magnetoresistive imaging system capable of scanning 256 channels simultaneously along linear ranges of either 4 or 13 mm. High speed electronics read the channels and transfer the data to a computer that builds

Portable X-Ray Systems for Use in Bomb Identification and Interdiction

December 1, 2007
Author(s)
Nicholas G. Paulter Jr.
The NIJ Standard for Portable X-Ray Systems is a minimum performance standard as applied to the man-portable battery-powered x-ray systems for use by bomb technicians and investigators. These systems comprise the x-ray generator, the image acquisition
Displaying 4226 - 4250 of 7112
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