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Conferences

Development of a Message Model to Support Integrated Design and Manufacturing

November 1, 1997

Author(s)

Venkat Allada, Shaw C. Feng, Steven R. Ray

Mere data sharing between engineering design systems and manufacturing systems does not represent an ideal integrated system. While data sharing represents an...

Measurements of the LIGO Pathfinder Optics

November 1, 1997

Author(s)

R E. Parks, Christopher J. Evans, P Sullivan, Lianzhen Shao, B Loucks

A number of 150 mm apertures in 250 mm diameter plano-concave optics with figure errors of a few nm were carefully tested using phase measuring interferometry...

Maker Fringe Analysis of Z-Cut Lithium Niobate

November 1, 1997

Author(s)

J. A. Aust, Norman Sanford, J. Amin

High Resolution Differential Mode Delay and Bandwidth Measurements in Multimode Fibers

November 1, 1997

Author(s)

John B. Schlager, S. E. Mechels, Douglas L. Franzen

Direct Measurement of Pump Intensity Distributions in an Optically Pumped Vertical-Cavity Surface-Emitting Laser

November 1, 1997

Author(s)

G. H. Vander Rhodes, J. M. Pomeroy, G. Ulu, M. S. {Umlat}nl{umlat}, B. B. Goldberg, K. J. Knopp, David H. Christensen

Concrete Mixture Optimization Using Statistical Mixture Design Methods.

October 22, 1997

Author(s)

E S. Lagergren, Kenneth A. Snyder, M J. Simon

The optimization of mixture proportions for high-performance concretes, which contain many constituents and are often subject to several performance constraints...

Role Based Access Control for the World Wide Web

October 10, 1997

Author(s)

John Barkley, Anthony V. Cincotta, David F. Ferraiolo, Serban I. Gavrila, David R. Kuhn

One of the most challenging problems in managing large networked systems is the complexity of security administration. This is particularly true for...

Wobble Normalization for Optical In Situ Measurements in Molecular Beam Epitaxy

October 5, 1997

Author(s)

Kristine A. Bertness, Robert K. Hickernell, David H. Christensen

Multi-Network Access to IEEE P1451 Smart Sensor Information Using World Wide Web Technology

October 4, 1997

Author(s)

Richard D. Schneeman, Kang B. Lee

NIST and a consortium of companies are organizing a public demonstration of the features of IEEE P1451, a Draft Standard for a Smart Transducer Interface for...

Simulation Tools for Collaborative Exploration of Hexapod Machine Capabilities and Applications

October 3, 1997

Author(s)

Joseph A. Falco

Miscellaneous

On the Fast Track: New Usability Testing Methods for Web Sites

October 2, 1997

Author(s)

Jean C. Scholtz, L L. Downey

The dynamic nature of the Web poses problems for usability evaluations. Development times are rapid, changes to Web sites occur frequently, often without...

The Critical Evaluation of Transition Probabilities of Na-Ca (Z=11 to 20)

October 2, 1997

Author(s)

Daniel E. Kelleher, Larissa Podobedova

We provide a progress report on the critical evaluation of transition probabilities for Na to Ca (Z-11-20), which are to replace the 30 year old NIST/AIP/ACS...

Phase Identification and Quantification of Bi-Sr-Ca-Cu-O High T_c Superconductors with Electron Probe Microanalysis

October 1, 1997

Author(s)

Ryna B. Marinenko

Quasi-TEM Model for Coplanar Waveguide on Silicon

October 1, 1997

Author(s)

Dylan F. Williams, Michael D. Janezic, A. Ralston

This paper compares a simple quasi-TEM model for coplanar waveguide fabricated on moderately doped silicon substrates to measurement. While the coplanar...

Accuracy of Resonant Ultrasound Spectroscopy: An Experimental Study

October 1, 1997

Author(s)

M C. Renken, Sudook A. Kim, K W. Hollman, C M. Fortunko

We use Resonant Ultrasound Spectroscopy (RUS) to routinely determine elasticstifftness coefficents. To establish the uncertaintly of RUS, we determined the...

An Ultrasonic Measurement of Magnetostriction

October 1, 1997

Author(s)

B Igarashi, G A. Alers, P T. Purtscher

The amplitudes of shear horizontal plate waves generated by EMATs (electromagnetic acoustic transducers) are measured to obtain estimated of the...

A Unique Sensor Fusion System for Coordinate Measuring Machine Tasks

October 1, 1997

Author(s)

M Nashman, Billibon H. Yoshimi, Tsai H. Hong, William G. Rippey, Martin Herman

This paper describes a real-time hierarchical system that combines (fuses) data from vision and touch sensors to simplify and improve the operation of a...

Summary of Modeling and Simulation for NIST RoboCrane? Applications

October 1, 1997

Author(s)

E Amatucci, Roger V. Bostelman, Nicholas Dagalakis, T M. Tsai

The Intelligent Systems Division (ISD) at the National Institute of Standards and Technology has been using modeling and simulation and software for conceptual...

Thermal Conductivity Measurements of Pyroceram 9606 Using a High-Temperature Guarded-Hot-Plate

October 1, 1997

Author(s)

James Filla, Andrew Slifka

The thermal conductivity of Pyroceram 9606 has been measured using a steady-state high-temperature guarded-hot-plate over a temperature range of 130 C to 800 C.

Simultaneous Monitoring of Wafer and Environment-States During Molecular Beam Epitaxy

October 1, 1997

Author(s)

K. J. Knopp, J. R. Ketterl, David H. Christensen, T. P. Pearsall, J. R. Hill

Differential Mode Delay Measurements in Multimode Fibers Using a Frequency Domain Technique with Variable Launch

October 1, 1997

Author(s)

Douglas L. Franzen, S. E. Mechels, John B. Schlager

Standards for Linear Retardance

October 1, 1997

Author(s)

Kent B. Rochford, Allen Rose

Spectral Tailoring of an Erbium Superfluorescent Fiber Source

October 1, 1997

Author(s)

Shellee D. Dyer, Kent B. Rochford

Remote Graphic Programming and Monitoring Tools of the NIST RoboCrane? Controller

September 29, 1997

Author(s)

Nicholas G. Dagalakis

Simple programming and monitoring tools had to be developed to control the NIST RoboCrane¿ to accommodate crane operators. The programmed move instructions are...

Image-Based Evaluation of Vascular Residual Strain

September 27, 1997

Author(s)

O E. Kia, S A. Sirohey, J Vossoughi

In this paper we propose a method that aids in the calculation of strain in blood vessels. The calculation of strain is used in the medical community to relate...

Computer Integrated Knowledge Systems: Proposed Framework.

September 24, 1997

Author(s)

T Y. Kurihara

The construction community is represented by a diverse set of private and public organizations and disciplines. The industry lacks consistency in the way it...

New Flame Retardant Additives

September 24, 1997

Author(s)

Takashi Kashiwagi, Jeffrey W. Gilman, Marc R. Nyden

The fire safety of materials can be significantly enhanced by increased ignition resistance, reduced flame spread rates, reduced heat release rates, and reduced...

Thermal Error Modeling of Machine Tools Using Neural Networks

September 18, 1997

Author(s)

Alice V. Ling

This paper describes an approach for the enhancement of machine tool accuracy. A prediction of the thermally-induced displacement error of the cutting tool with...

Platinum-Palladium Thin-Film Thermocouples for Temperature Measurements on Silicon Wafers

September 3, 1997

Author(s)

Kenneth G. Kreider, F DiMeo, F

In Chamber Thermometry Calibration Using A Si Proof Wafer

September 3, 1997

Author(s)

B Tsai, J Lovas f, D P. Dewitt, Kenneth G. Kreider, Burns g

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