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Conferences

Evaluation of Flammable Refrigerants for Use in a Water-to-Water Residential Heat Pump

September 3, 1996

Author(s)

D K. Choi, Piotr A. Domanski, David Didion

This paper evaluates the performance of R-22, R-290, R-290/600a (70/30), and R-32/152a (50/50) for application in a water-to-water residential heat pump for

Extension of STEP for the Representation of Parametric and Variational Models

September 1, 1996

Author(s)

Mike Pratt

The International Standard STEP (ISO 10303) is intended to facilitate the exchange of data between CAD systems. The first release of the standard, which

Design Modeling With Shape Algebras and Formal Logic

September 1, 1996

Author(s)

Scott Chase

A new method of describing designs by combining the paradigms of shape algebras and predicate logic representations is presented. Representing shapes and

New Certified Length Scale for Microfabrication Metrology

September 1, 1996

Author(s)

James E. Potzick

The National Institute of Standards and Technology is developing a dimensional pitch standard covering the range 1 micrometers to 10 mm, intended for the

Microstructure, Properties, and Modeling: Elastic and Related Properties of Two-Phase Materials

September 1, 1996

Author(s)

H M. Ledbetter, Martin Dunn

We review some of our recent studies on elastic constants, internal friction, and related properties of two-phase materials. The occluded-phase geometry

How to Avoid Learning Expect -- or -- Automating Automating Interactive Programs

September 1, 1996

Author(s)

Don E. Libes

Expect is a tool for automating interactive programs. Expect is controlled by writing Tcl scripts, traditionally a manual process. This paper describes

Measurements of the Complex Permittivity of Microwave Circuit Board Substrates Using Split Dielectric Resonator and Reentrant Cavity Techniques

September 1, 1996

Author(s)

Jerzy Krupka, Richard G. Geyer, James R. Baker-Jarvis, J. G. Ceremuga

Antenna Near Field Phase Data from Infrared Thermograms by Fourier Iterative Plane-to-Plane Techniques

September 1, 1996

Author(s)

J. E. Will, J. D. Norgard, R. Sega, M. Seifert, A. Pesta, J. Cleary, Carl F. Stubenrauch, Katherine MacReynolds

Antenna/RCS Range Evaluation Using a Spherical Synthetic-Aperture Radar

September 1, 1996

Author(s)

Ronald C. Wittmann, David R. Black

Radar Cross Section Range Characterization

September 1, 1996

Author(s)

Lorant A. Muth, Ronald C. Wittmann, B. M. Kent, J. D. Tuttle

Polarimetric Calibration of Nonreciprocal Radar Systems

September 1, 1996

Author(s)

Lorant A. Muth, Ronald C. Wittmann, W. Parnell

Planar Near-Field Antenna Measurements Using Non-Ideal Measurement Locations

September 1, 1996

Author(s)

Ronald C. Wittmann, Bradley Alpert, Michael H. Francis

Phaseless Measurements of Antenna Near Fields Employing Holographic Phase Retrieval

September 1, 1996

Author(s)

Carl F. Stubenrauch, Katherine MacReynolds, Allen C. Newell, R. H. Cormack, J. E. Will, J. D. Norgard

Mismatch Errors in Insertion-Loss Measurements Using Harmonic Mixers

September 1, 1996

Author(s)

Jeffrey R. Guerrieri, Katherine MacReynolds, Seturnino Canales, Douglas T. Tamura

Distributions of H+, H2+, H3+ Ions in Townsend Discharge and Determination of their Collision Cross Sections

September 1, 1996

Author(s)

J. Bretagne, T. Simko, G. Gousset, MVVS. Rao, Richard J. Van Brunt, Yicheng Wang, James K. Olthoff, B. Peko, R. Champion

Electromechanical Properties of Bi-2212 Superconductors

September 1, 1996

Author(s)

John (Jack) W. Ekin, John W. West

What are Feature Interactions?

September 1, 1996

Author(s)

William Regli, Mike Pratt

Manufacturing features and their interactions have become areas of research scrutiny in recent years. It is widely accepted that intelligent reasoning about

An Architecture of Component - Based CAPP Systems for Agile Manufacturing

September 1, 1996

Author(s)

Shaw C. Feng, C Zhang, Steven R. Ray

The current manufacturing planning software systems (such as computer aided process planning (CAPP) systems) are general and in a closed form, i.e., it is very

Selection of Calibration Particles for Scanning Surface Inspection Systems

August 8, 1996

Author(s)

George W. Mulholland, Nelson P. Bryner, Walter S. Liggett Jr, B W. Scheer, R. K. Goodall

In response to the semiconductor industry's need for both smaller calibration particles and more accurately sized larger particles, a joint SEMATECH, National

Application of Chaotic Dynamics to Stochastic Resonance.

August 7, 1996

Author(s)

Marek Franaszek, Emil Simiu

For a class of systems with a periodic signal and noise, the improvement of the signal to noise ratio (SNR) achieved by increasing the noise intensity is

Resistance Measurements from 10 M? to 1 T? at NIST

August 1, 1996

Author(s)

Dean G. Jarrett

Real-Time Single-workstation Obstacle Avoidance Using Only Wide-Field Flow Divergence

August 1, 1996

Author(s)

Theodore(Ted) Camus, David Coombs, Martin Herman, Tsai Hong Hong

A real-time robot vision system is described which uses only the divergence of the optical flow field for both steering control and collision detection. The

Improving the Design Process by Predicting Downstream Values of Design Attributes

August 1, 1996

Author(s)

Simon Szykman

This paper presents a computational approach to developing space models that are utilized to improve the design process by predicting values of downstream

Open Systems Interface Specification for Machining Process Planning Integration

August 1, 1996

Author(s)

Shaw C. Feng

A key issue of integrating process planning systems with design systems and production planning systems is how to overcome barriers in data exchange and sharing

Low-Level Pulsed 1064 nm Laser Radiometer Transfer Standard

August 1, 1996

Author(s)

Rodney W. Leonhardt

Low Frequency Representation of Radio-Frequency Absorbers

August 1, 1996

Author(s)

Robert T. Johnk, James P. Randa

Permittivity Measurements of Low-Loss Dielectric Materials at 60 GHz

August 1, 1996

Author(s)

Chriss A. Jones, Y. Kantor, John H. Grosvenor Jr

Empirical Linear Prediction Applied to a NIST Calibration Service

August 1, 1996

Author(s)

Andrew D. Koffman, T. M. Souders, Gerard N. Stenbakken, Thomas E. Lipe Jr., Joseph R. Kinard Jr.

Stitching of Equatorial Profiles for Extended Spatial Range Assessment

August 1, 1996

Author(s)

P Sullivan, R E. Parks, Lianzhen Shao

This paper describes a method for stitching multiple overlapping interferometric measurements of the equator of a high quality sphere to produce a single

A Prototype Apparatus for Determining Changes in the Electrical Conductivity of Production Run Carbon Fibers

August 1, 1996

Author(s)

L L. Dulcie, Loren W. Linholm

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