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Conferences

Generalized Pressure Drop Correlation for Evaporation and Condensation in Smooth and Micro-Fin Tubes

October 1, 2001

Author(s)

J Y. Choi, Mark A. Kedzierski, Piotr A. Domanski

This paper presents a pressure drop correlation for evaporation and condensation in smooth and micro-fin tubes. The correlation was developed from a data base...

Time- and Frequency-Domain Analysis of EMC Test Facilities

October 1, 2001

Author(s)

David R. Novotny, Robert T. Johnk, Claude Weil, Seturnino Canales

We have developed a methodology to determine the quality of an EMC test facility using equipment that may be generally available to RF testing services. By...

High Current Sic JBS Diode Characterization for Hard- and Soft-switching Applications

October 1, 2001

Author(s)

Jih-Sheng Lai, X Huang, H. Yu, Allen R. Hefner Jr., David W. Berning, Ranbir Singh

Test-Chamber Imaging Using Spherical Near-Field Scanning

October 1, 2001

Author(s)

Ronald C. Wittmann, Michael H. Francis

Although the theory is straightforward, practical implementation of spherical near-field scanning for evaluating test chambers presents some significant...

Techniques to Improve Bluetooth Performance in Interference Environments

October 1, 2001

Author(s)

Nada T. Golmie, Nicolas Chevrollier

Bluetooth is a radio technology for Wireless Personal Area Networks operating in the 2.4 GHz ISM band. Since both Bluetooth and IEEE 802.11 devices use the same...

Self-Energy Screening in Two-Electron Ions

October 1, 2001

Author(s)

Paul Indelicato, Peter Mohr

The self-energy screening correction to the Coulomb part of the electron-electron interaction (self-energy screening) is evaluated. We consider only the...

Harmonized Conformance Testing for Product Data Managers

October 1, 2001

Author(s)

David Flater, KC Morris

The Testability of Interaction-Driven Manufacturing Systems project seeks to enhance the design-for-testability of specifications for manufacturing software...

The Philosophy of Information Retrieval Evaluation

September 24, 2001

Author(s)

Ellen M. Voorhees

Evaluation conferences such as TREC, CLEF, and NTCIR are modern examples of the Cranfield evaluation paradigm. In the Cranfield paradigm, researchers perform...

Sub-dekahertz spectroscopy of ¹⁹⁹Hg⁺

September 21, 2001

Author(s)

J. C. Bergquist, R J. Rafac, B. A. Young, James A. Beall, Wayne M. Itano, David J. Wineland

Using a laser that is frequency locked to a Fabry-Perot etalon of high finesse and stability, we probe the 5d 106s 2S = (F=0, m f=0) 5d 96s 2 2 d5/2 (F=2, m f=0...

Nondestructive Permittivity Measurements of Dielectric Substrates Using Split-Cylinder and Split-Post Resonators

September 17, 2001

Author(s)

Michael D. Janezic, Jerzy Krupka, James R. Baker-Jarvis

Microdisplay Metrology Research at NIST

September 14, 2001

Author(s)

Paul A. Boynton

Measuring the optical characteristics of a microdisplay produces challenges to traditional display metrology. When using light-measuring devices to measure...

Epoxy Clay Hybrid (ECH) Nanocomposites: Strategies for the Dispersion of Clay Platelets in Amine-Cured Eposy Resins

September 12, 2001

Author(s)

Gale A. Holmes, Karen Ford

A brief review of the research literature that deals with the exfoliation of montmorillonite clay exchanged with omega-amino acid and long-chain alkylamines is...

Needs and Research Directions in Human-Robot Interactive Systems

September 12, 2001

Author(s)

V Lumelsky, Jean C. Scholtz

The advantages of using robotic systems will only be realized if non-experts in robotics are able to use the systems. This paper outlines some directions needed...

Program and Abstracts for the International Conference on Hydrogen Effects on Material Behavior & Corrosion Deformation Interactions

September 12, 2001

Author(s)

N R. Moody, A -. Thompson, Richard E. Ricker, G S. Was, T -. Magnin

Program and abstracts book for the International Conference on Hydrogen Effects on Material Behavior and Corrosion Deformation Interactions to be held at...

A Mercury-Ion Optical Clock

September 9, 2001

Author(s)

James C. Bergquist, U Tanaka, Robert E. Drullinger, Wayne M. Itano, David J. Wineland, Scott A. Diddams, Leo W. Hollberg, E A. Curtis, Christopher W. Oates, T Udem

Differences Between Quantum-Mechanical Capacitance-Voltage Simulators

September 7, 2001

Author(s)

Curt A. Richter, Eric M. Vogel, Angela Hodge, Allen R. Hefner Jr.

Theoretical Constructs and Measurement of Performance and Intelligence in Intelligent Systems

September 4, 2001

Author(s)

Larry H. Reeker

This paper makes a distinction between measurement at surface and deeper levels. At the deep levels, the items measured are theoretical constructs or their...

Hierarchical Architecture for Coordinating Ground Vehicles in Unstructured Environments

September 4, 2001

Author(s)

Alberto Lacaze

This article presents a hierarchy of planners that can be used to coordinate multiple autonomous vehicles for different applications. The particular...

Evaluating Knowledge and Representation for Intelligent Control

September 4, 2001

Author(s)

Elena R. Messina, John Evans, James S. Albus

Knowledge and the way it is represented have a tremendous impact on the capabilities and performance of intelligent systems. There is evidence from studies of...

Experiences in Deploying Test Arenas for Mobile Autonomous Robots

September 4, 2001

Author(s)

Adam S. Jacoff, Elena R. Messina, John Evans

The National Institute of Standards and Technology has created a set of reference test arenas for evaluating the performance of mobile autonomous robots...

Accurate Measurements of Thermodynamic and Transport Properties of Industrial Gases with Acoustic Resonators.

September 2, 2001

Author(s)

Keith A. Gillis, John J. Hurly, Michael R. Moldover

Acoustic resonators have been developed at NIST as tools to measure the thermodynamic and transport properties of gases. High Q cylindrical acoustic resonators...

Object Identification Using Bar Codes Based on LADAR Intensity

September 1, 2001

Author(s)

William C. Stone, Geraldine S. Cheok, K M. Furlani, David E. Gilsinn

Tests of a novel concept for tracking construction components were carried out at the National Institute of Standards and Technology. The approach makes use of...

Low Voltage Scanning Electron Microscopy

September 1, 2001

Author(s)

D. C. Joy, Dale E. Newbury

Chromium-Doped Luminescent Glasses for Raman Intensity Calibration with 785 nm Laser Excitation

September 1, 2001

Author(s)

E S. Etz, Wilbur S. Hurst, Steven J. Choquette, Douglas H. Blackburn

Implementation of CMOS Compatible Conductance-Based Micro-Gas-Sensor System

September 1, 2001

Author(s)

Muhammad Y. Afridi, John S. Suehle, Mona E. Zaghloul, J E. Tiffany, Richard E. Cavicchi

Sorptivity-Based Service Life Predictions for Concrete Pavements

September 1, 2001

Author(s)

Dale P. Bentz, M A. Ehlen, Chiara F. Ferraris, Edward J. Garboczi

The degradation of concrete pavements is often controlled by the transport of a deleterious species (chloride or sulfate ions, or water in the case of freeze...

Elevated Temperature Aging of Glass Fiber Reinforced Vinyl Ester and Isophthalic Polyester Composites in Water, Salt Water, and Concrete Pore Solution

September 1, 2001

Author(s)

Joannie W. Chin, W Hughes, A Signor

In recent years, the use of fiber-reinforced vinyl ester and isophthalic polyester (isopolyester) composites in civil infrastructure has greatly increased, due...

Speaker Recognition in a Multi-Speaker Environment

September 1, 2001

Author(s)

Alvin F. Martin, Mark A. Przybocki

We discuss the multi-speaker tasks of detection, tracking, and segmentation of speakers as included in recent NIST Speaker Recognition Evaluations. We consider...

Prediction of Lateral and Normal Force-Displacement Curves for Flipchip Solder Joints

September 1, 2001

Author(s)

Daniel Wheeler, Daniel Josell, James A. Warren, William E. Wallace

We present the results of experiments and modeling of flip-chip geometry solder joint shapes under shear loading. Modeling, using Surface Evolver, included...

Effects of Wafer Emissivity on Light-Pipe Rediometry in RTP Tools

September 1, 2001

Author(s)

Kenneth G. Kreider, David W. Allen, D H. Chen, D P. DeWitt, Christopher W. Meyer, Benjamin K. Tsai

We investigated the effect of different wafer emissivities and the effect of low emissivity films on rapid thermal processing (RTP) wafer temperature...

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