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Conferences

New Technology Enables Many-Fold Reduction in the Cost of Refreshable Braille Displays

November 1, 2000

Author(s)

John W. Roberts, Oliver T. Slattery, D W. Kardos, B Swope

By analysis of the primary cost factors for existing refreshable Braille displays, a team at NIST has pioneered a new technology that can reduce the cost of the...

Spectral Data for Atoms and Ions

November 1, 2000

Author(s)

Joseph Reader

Progress continues on the development of databases for spectral properties of atoms and ions. Version 2.0 of the NIST Atomic Spectra Database (ASD) became...

Characterization of Voids in Rutile Nanoparticles by Transmission Electron Microscopy

November 1, 2000

Author(s)

Shirley Turner

Rutile nanoparticles containing voids or cavities have been characterized using transmission electron microscopy. The general morphology of voids has been...

A Web-Based Process/Material Advisory System

November 1, 2000

Author(s)

Y Chen, Satyandra K. Gupta, Shaw C. Feng

This paper describes a web-based process/material advisory system that can be used during conceptual design. Given a set of design requirements for a part...

Introduction to: Proceedings of ILAC 2000 Technical Conference for Laboratory Professionals

November 1, 2000

Author(s)

Belinda L. Collins

The biennial meeting of the International Laboratory Accreditation Cooperation, the ILAC 2000 Technical Conference, in Washington, DC, is co-hosted by NIST and...

Network Management Under Incomplete Information on the Operational Environment

November 1, 2000

Author(s)

Vladimir V. Marbukh

This paper proposes an approach to network management under incomplete information on the operational environment. The approach employs a combination of the...

Sum Frequency Spectroscopy Studies of Adsorption of Additives on Metal/Electrolyte Interfaces

November 1, 2000

Author(s)

Clayton S. Yang, Lee J. Richter, Kimberly Briggman, John C. Stephenson, Thomas P. Moffat, Gery R. Stafford

In situ and ex situ VR-SFG studies of mercaptopropylsulfonate (MPSA) molecules adsorbed on metal/electrolyte interfaces prove the molecular conformation is...

Improving the Uncertainty Analysis of NIST's Pulse Parameter Measurement Service

November 1, 2000

Author(s)

Nicholas Paulter, Donald R. Larson

A new uncertainty analysis is being performed for NIST's pulse parameter measurement service that represents the new pulse parameter measurement and extraction...

Cryogenic IR/Optical/UV Fast Spectrophotometers for the Study of Time-Variable Astronomical Sources

November 1, 2000

Author(s)

Aaron J. Miller, B. Cabrera, R. W. Romani, John M. Martinis, Sae Woo Nam, David M. Weld, J. P. Castle

Our detectors are superconducting Transition-Edge Sensors that have been designed for photon counting in the energy (wavelength) range of 0.5 eV (2.5...

Cross Comparison of Direct Strength Testing Techniques on Polysilicon Films

November 1, 2000

Author(s)

D A. LaVan, T Tsuchiya, G Coles, W G. Knauss, I Chasiotis, David T. Read

Several direct and indirect testing techniques to characterize the strength and distribution in strength of structural thin films have been developed with...

Role of Ion-Beam Processing Time in the Formation and Growth of the High-Nitrogen Phase in Austenitic Stainless Steel

November 1, 2000

Author(s)

D L. Williamson, P J. Wilber, F R. Fickett, S Parascandola

A systematic series of AISI-316 stainless steel samples has been prepared as a function of exposure time to a nitrogen ion beam Times from 15 to 4 h were...

Monte Carlo Simulation for Radiometric Temperature Measurement in Rapid Thermal Processing

November 1, 2000

Author(s)

Yong Zhou, Y J. Shen, Z M. Zhang, Benjamin K. Tsai, D P. DeWitt

This work employs a Monte Carlo method to study the radiative process in a rapid thermal processing (RTP) furnace. A true effective emissivity, accounting for...

Simulation of Methanol Combustion in the NIST Reference Spray Combustor

November 1, 2000

Author(s)

D S. Crocker, M G. Giridharan, J F. Widmann, Cary Presser

This paper describes the simulation of methanol spray flame in the NIST reference spray combustion facility, which was predicited using a state-of-the-art...

Information Modeling on Conceptual Design Integrated with Process Planning

November 1, 2000

Author(s)

Ram D. Sriram, Mike Pratt, Shaw C. Feng, Eugene Song

Information modeling is critical to the integration of conceptual design and process planning. An information model for conceptual design is provided in this...

Lateral SiO_x Tunnel Barrier Formation for Si-Based Tunnel Transistor Using Scanned Probe Oxidation

November 1, 2000

Author(s)

K Morimoto, K Morita, K Ohnaka, John A. Dagata

Tunneling transistors designed with a lateral tunnel barrier between source and drain electrodes have attracted much attention recently as an approach to...

Lateral SiOx Tunnel Barrier Formation for Si-based Tunnel Transistor Using Scanned Probe Oxidation

November 1, 2000

Author(s)

K Morimoto, L Morita, K Ohnaka, John A. Dagata

Tunneling transistors designed with a lateral tunnel barrier between source and drain electrodes have attracted much attention recently as an approach to...

Remote Sensing Support at NIST

October 25, 2000

Author(s)

Bettye C. Johnson

This presentation to the Committee on Earth Observation Satellites Working Group on Calibration and Validation 17th Plenary Meeting covers radiometry and remote...

Business Process Driven Framework for Defining an Access Control Service Based on Roles and Rules

October 19, 2000

Author(s)

Ramaswamy Chandramouli

Defining an Access Control Service for an enterprise application requires the choice of an access control model and a process for formulation of access decision...

Display Metrology Seminar

October 16, 2000

Author(s)

Eric Kelley

Display metrology is discussed as applied to flat panel displays (FPDs). Particular attention is given to display reflection measurements and how display...

Exploring the Role of Polymer Melt Viscosity in Melt Flow and Flammability Behavior

October 15, 2000

Author(s)

Thomas J. Ohlemiller, John R. Shields, Kathryn M. Butler, Belinda L. Collins, Momar D. Seck

Thermoplastic polymers are widely used in roles where molding facilitates cost effective, high volume applications. Such polymers exhibit uniquely complex...

Mastering and Archiving Uncompressed Digital Video Test Materials

October 11, 2000

Author(s)

Charles D. Fenimore

This is a report on the status of a Society of Motion Picture and Television Engineers (SMPTE) Ad Hoc Group charged with creating a master set of images for...

Privilege Management of Mobile Agents

October 1, 2000

Author(s)

Wayne Jansen, Athanasios T. Karygiannis

Most mobile agent systems use internal data structures within an agent to control and specify its security requirements and properties. These structures...

Towards Engineered Fire Safety: A Global Research Strategy for the 21st Century

October 1, 2000

Author(s)

J E. Snell

Great progress has been made in the last quarter century in fire safety engineering (FSE) and consequently further limiting the burden of uncontrolled fire. Yet...

Investigation of the Relationship Between Microstructure and Appearance Properties of Coating Materials

October 1, 2000

Author(s)

Li Piin Sung, Maria E. Nadal, M E. McKnight, J V. Nguyen, C -. Lin

A series of experiments was carried out to investigate the relationship between the microstructure and the appearance of coated materials using confocal laser...

Field Demonstration of Laser Scanning for Excavation Measurement

October 1, 2000

Author(s)

Geraldine S. Cheok, Robert R. Lipman, Christoph J. Witzgall, Javier Bernal, William C. Stone

The use of a scanning laser to measure terrain changes due to excavation at a construction site is described. The objective at this phase of the project is to...

Accurate Electrical Measurement of Coupled Lines on Lossy Silicon

October 1, 2000

Author(s)

Uwe Arz, Dylan F. Williams, Dave K. Walker, Hartmut Grabinski

In this paper we apply a measurement method designed for asymmetric coupled lines to determine the broadband propagation characteristics of symmetric coupled...

Electrically Coupled Hydrodynamic Flows

October 1, 2000

Author(s)

Ken L. Stricklett

The application of gange field theories to electrically coupled hydrodynamic flows is examined.

Development of a Linear Motor Drive Testbed and Initial Thermal Behavior Results

October 1, 2000

Author(s)

Kari K. Harper, Bradley N. Damazo, M A. Donmez

The machine tool industry is moving toward using linear motors for both conventional and high speed machine tools due to many advantages: low maintenance...

Chemical Imaging With Scanning Near-Field Infrared Microscopy and Spectroscopy

October 1, 2000

Author(s)

Chris A. Michaels, Lee J. Richter, Richard R. Cavanagh, Stephan J. Stranick

The development of a scanning near-field microscope that utilizes infrared absorption as the optical contrast mechanism is described. This instrument couples...

Driving Autonomously Offroad up to 35 km/h

October 1, 2000

Author(s)

David Coombs, Karl Murphy, Alberto Lacaze, Steven Legowik

A robotic HMMWV (a.k.a. "humvee") drives autonomously offroad at speeds up to 35 km/h (10 m/s, 20 mph). Key features of the implementation that enable driving...

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