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Conferences

InGaAsP Ex-situ characterization

July 1, 2002

Author(s)

Alexana Roshko, Kristine A. Bertness

An interlaboratory comparison has been undertaken of X-ray and photoluminescence measurements of InGaAsP on InP. Six 1 cm 2 specimens are being measured, with...

Rapid, Remote, Automated Card Sorting using WebCAT

July 1, 2002

Author(s)

Emile L. Morse

WebCAT is a rapid, remote, and automated method for performing card sorting. WebCAT, a tool from the NIST Web Metrics Testbed, provides a web-based interface...

An Approach to the Design of Natural and Hybrid Ventilation Systems for Cooling Buildings

July 1, 2002

Author(s)

James W. Axley, Steven Emmerich, William Stuart Dols, George Walton

This paper presents an approach to the design of natural and hybrid ventilation systems that accounts for specific climatic and operational conditions and is...

A Priority Agenda for Energy-Related Indoor Environmental Quality Research

July 1, 2002

Author(s)

W J. Fisk, G Brager, M Brook, H Burge, J Cole, J Cummings, H Levin, V Loftness, T Logee, M J. Mendell, Andrew K. Persily, S Taylor, J Zhang

A multidisciplinary team of IEQ and energy researchers is working together to define a program of priority energy-related IEQ research. This paper describes the...

A Comparison of an R22 and an R410A Air Conditioner Operating at High Ambient Temperatures

July 1, 2002

Author(s)

William V. Payne, Piotr A. Domanski

R22 and R410A split air-conditioning systems were tested and compared as outdoor temperature ranged form 27.8 C (82.0 F) to 54.4 F (130 F). The R410A system...

A Monolithic Implementation of Interface Circuitry for CMOS Compatible Gas-Sensor System

July 1, 2002

Author(s)

Muhammad Afridi, John S. Suehle, Mona E. Zaghloul, David W. Berning, Allen R. Hefner Jr., Stephen Semancik, Richard E. Cavicchi

A monolithic CMOS micro-gas-sensor system, designed and fabricated in a standard CMOS process, is described. The gas-sensor system incorporates an array of four...

Chemical Ionization of Saturated Hydrocarbons Using Organometallic Ion Chemistry

July 1, 2002

Author(s)

H M. Byrd, Charles M. Guttman, D P. Ridge

Introduction: The potential for quick and direct measurement of chemical composition, absolute molecular mass (MM), MM distribution of linear and branched...

Quantitation of Polymer End Groups Using MALDI TOF MS

July 1, 2002

Author(s)

A P. Weaver, Charles M. Guttman, Kathleen M. Flynn

Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI TOF MS) has been employed to analyze polystryrene mixtures of molecular mass...

Metal Powder Substrate-Assisted Laser Desorption Ionization Mass Spectrometry to Polyethylene

July 1, 2002

Author(s)

T Yalcin, William E. Wallace, Kathleen M. Flynn

This paper describes studies of matrix-assisted laser desorption ionization time-of-flight mass spectrometry of polyethylene using metal powder as the matrix...

The Role of Genetic Programming in Describing the Microscopic Structure of Hydrating Plaster

July 1, 2002

Author(s)

J E. Devaney, John G. Hagedorn

We apply genetic programming in conjunction with other machine learning methods to obtain concise rules that accurately identify scientifically meaningful...

Fabrication and Characterization of In-Situ Grown Epitaxial Ba_1-xSr_xTi0₃) Composition Spreads

July 1, 2002

Author(s)

K S. Chang, M A. Aronova, O Famodu, Jason Hattrick-Simpers, S E. Lofland, Ichiro Takeuchi, C J. Lu, Leonid A. Bendersky, H C. Chang

We have used our combinatorial pulsed laser deposition system to in-situ fabricate epitaxial Ba(sub1-x)Sr(sub x)Ti)(sub 3) thin film composition spreads on (100...

Evaluation of Performance of Integrating Spheres for Indirect Emittance Measurement

July 1, 2002

Author(s)

A Prokhorov, Sergey Mekhontsev, Leonard Hanssen

Integrating sphere reflectometers are used in the majority of instruments used for spectral reflectance measurements of non-specular (scattering) samples...

First Results From the Updated NIST/DARPA EUV Reflectometry Facility

July 1, 2002

Author(s)

S Grantham, Charles Tarrio, M B. Squires, Thomas B. Lucatorto

Currently the most demanding application of extreme-ultraviolet (EUV) optics is in lithography. A commercial extreme-ultraviolet stepper will likely have six or...

A New Classification of Information: A Step on the Road to Interoperability

July 1, 2002

Author(s)

Albert T. Jones, Larry H. Reeker

Complex systems, such as manufacturing supply chains, are often modeled as a collection of interacting components with information flows between them. These...

A New Design and Uncertainty Budget for a Metrology UHV-STM Used in Direct Measurements of Atom Spacings

July 1, 2002

Author(s)

S Gonda, Hui Zhou, Joseph Fu, Richard M. Silver

A basic scheme of direct, highly accurate dimensional measurements of nanostructures is presented. We have constructed a scanning tunneling microscope (STM)...

Nanostructures and Biology: Some Introductory Remarks

July 1, 2002

Author(s)

M Peckerar, Michael T. Postek, Editors Chairs

Not available.

A Tutorial on Multiple Sequence Alignment of Biological Sequences

June 17, 2002

Author(s)

Fern Y. Hunt, Anthony J. Kearsley, Agnes A. O'Gallagher

A Macro-Micro Motion System for a STM

June 13, 2002

Author(s)

Bradley N. Damazo, James D. Gilsinn, Richard M. Silver, Hui Zhou

As nano-lithography improves, more companies and research groups have the capability to create nano-scale structures. Scanning Tunneling Microscopes (STMs) are...

Tying Together Design, Process Planning and Machining with Step-NC Technology

June 13, 2002

Author(s)

Frederick M. Proctor, John L. Michaloski, William P. Shackleford

While simulation has been successful in tying design and process planning into an iterative loop, machining has traditionally been a downstream terminus of the...

Evaluation of Component-Based Reconfigurable Machine Controllers

June 13, 2002

Author(s)

S Kolla, John L. Michaloski, William G. Rippey

The lack of interoperability and integration standards is severely hindering manufacturing productivity. To address this problem, a General Motion Control (GMC)...

On the Application of Quantitative Cavity Ring Down Spectroscopy to Measruements of Line Shapes and Continuum Absorption

June 7, 2002

Author(s)

J G. Cormier, Joseph T. Hodges, J R. Drummond

Cavity ringdown spectroscopy (CRDS) is a highly sensitive spectroscopic technique that has been successfully applied to problems such as trace gas detection and...

Simulations of Noise-Parameter Uncertainties

June 7, 2002

Author(s)

James P. Randa

This paper reports results for uncertainties obtained using a Monte Carlo simulation of noise-parameter measurements. The simulator permits the computation of...

Group Delay Description for Broadband Pulses

June 7, 2002

Author(s)

M J. Ware, S A. Glasgow, J Peatross

The traditional concept of group delay usually arises in connection with an expansion of the phase delay for an electromagnetic pulse. In this context, the...

Artificial Neural Network Model for HEMTs Constructed from Large-Signal Time-Domain Measurements

June 7, 2002

Author(s)

Dominique Schreurs, Jeffrey Jargon, Kate Remley, Donald C. DeGroot, Kuldip Gupta

We develop a methodology to construct behavioral models for microwave devices from time-domain large-signal measurements. The behavioural model for the...

Vector Corrected Noise Temperature Measurements

June 7, 2002

Author(s)

Mark H. Weatherspoon, Lawrence P. Dunleavy, Ali Boudiaf, James P. Randa

A new one-port noise temperature measurement technique is presented that uses receiver noise parameters for error correction. Improved accuracy in one-port...

Dielectric Sleeve Resonator Techniques for Variable-Temperature Microwave Characterization of Ferroelectric Materials

June 7, 2002

Author(s)

Richard G. Geyer, Pavel Kabos, James R. Baker-Jarvis

Low loss sleeve resonators can be used for accurate microwave dielectric characterization of rod-shaped test specimens. The test specimen is inserted into the...

Repeat Measurements and Metrics for Nonlinear Model Development

June 6, 2002

Author(s)

Catherine A. Remley, Jeffrey A. Jargon, Dominique Schreurs, Donald C. DeGroot, Kuldip Gupta

We develop a method for using metrics in conjunction with repeat measurements to study nonlinear models. We illustrate this procedure by investigating the...

Measuring Clock Jitter at 100 GHz from PM Noise Measurements

June 3, 2002

Author(s)

David A. Howe

"Jitter" is the noise modulation due to random time shifts on an otherwise ideal, or perfectly on-time, signal transition. This paper presents ways of...

A Monolithic Implementation of Interface Circuitry for CMOS Compatible Gas-Senor System

June 1, 2002

Author(s)

Muhammad Y. Afridi, John S. Suehle, Mona E. Zaghloul, David W. Berning, Allen R. Hefner Jr., Stephen Semancik, Richard E. Cavicchi

Intrusion Detection with Mobile Agents

June 1, 2002

Author(s)

Wayne Jansen

Effective intrusion detection capability is an elusive goal, not solved easily or with a single mechanism. However, mobile software agents go a long way toward...

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