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Journals

Using NASREM for Telerobot Control System Development

January 1, 1994

Author(s)

Ronald Lumia

NASA, Control, Standards

Sensor Fusion in Motion Perception

January 1, 1994

Author(s)

David Coombs

Building MRSEV models for CAM applications

January 1, 1994

Author(s)

Satyandra K. Gupta, Thomas R. Kramer, D Nau, William Regli, Li Zhang

In integrating CAD and CAM applications, one major problem is how to interpret CAD information in a manner that makes sense for CAM. Our goal is to develop a...

A Resonance Ionization Spectroscopy/Resonance Ionization Mass Spectrometry Data Service V - Data Sheets for Ga, Mn, Sc and Tl

January 1, 1994

Author(s)

Edward B. Saloman

Building MRSEV Models for CAM Applications

January 1, 1994

Author(s)

Satyandra K. Gupta, Thomas R. Kramer, D Nau, William Regli, Li Zhang

In integrating CAD and CAM applications, one major problem is bow to interpret CAD information in a manner that makes senti for CAM. The goal is to develop a...

Critical Issues in Scanning Electron Microscope Metrology

January 1, 1994

Author(s)

Michael T. Postek

During the manufacturing of present-day integrated circuits, certain measurements must be made of the submicrometer structures composing the device with a high...

Morphological Estimation of Tip Geometry for Scanned Probe Microscopy

January 1, 1994

Author(s)

John S. Villarrubia

Morphological constraints inherent in the imaging process limit the possible shapes of the tip with which any given tunneling microscope or atomic force...

Heat Flux From Flames to Vertical Surfaces

January 1, 1994

Author(s)

J. G. Quintiere, Thomas Cleary

Dimensional analysis is used to examine heat transfer from flames to vertical surfaces. Configurations include a line fire against a wall, a square burner flame...

Comparison of a Fractal Smoke Optics Model With Light Extinction Measurements

January 1, 1994

Author(s)

R A. Dobbins, George W. Mulholland, Nelson P. Bryner

Optical cross-sections of carbonaceous aggregates (smoke) formed by combustion sources have been computed based on fractal concepts. Specific extinction depends...

Glide Matching With Binary and Ternary Zeotropic Refrigerant Mixtures. Part 1. An Experimental Study

January 1, 1994

Author(s)

W. J. Mulroy, Piotr A. Domanski, David Didion

An improvement of the coefficient of performance (COP) of the refrigeration cycle can be realized when temperature profiles of the refrigerant mixture and the...

Simultaneous Optical Measurement of Soot Volume Fraction and Temperature in Premixed Flames

January 1, 1994

Author(s)

M Y. Choi, Anthony Hamins, George W. Mulholland, Takashi Kashiwagi

The performance of a three-wavelength optical probe technique for measuring soot volume fraction and temperature was assessed by conducting experiments in the...

Surface Degradation of Superconducting YBa₂Cu₃O_7-δ Thin Films

January 1, 1994

Author(s)

Stephen E. Russek, S. Sanders, Alexana Roshko, John (Jack) W. Ekin

VAMAS Intercomparison of Critical Current Measurements on NB₃SN Superconductors: A Summary Report

January 1, 1994

Author(s)

H Wada, C R. Walters, Loren F. Goodrich, K Tachikawa

Improved Molecular Constants and Frequencies for the CO₂ Laser from New High-J Regular and Hot-Band Frequency Measurements

January 1, 1994

Author(s)

A G. Maki, Che-Chung Chou, K M. Evenson, L R. Zink, Jow-Tsong Shy

Kinetic-Energy Distributions of Ions Sampled from Argon Plasmas in a Parallel-Plate Radio Frequency Reference Cell

January 1, 1994

Author(s)

James K. Olthoff, Richard J. Van Brunt, S. B. Radovanov, J. A. Rees, R. Surowiec

Plasma Chemical Model for Decomposition of SF6 in a Negative Glow Corona Discharge

January 1, 1994

Author(s)

Richard J. Van Brunt, J T. Herron

The Gaseous Electronics Conference Radio-frequency Reference Cell: A Defined Parallel-plate Radio-frequency System for Experimental and Theoretical Studies of Plasma-processing Discharges

January 1, 1994

Author(s)

J R. Roberts, James K. Olthoff, James Whetstone, Richard J. Van Brunt, Mark A. Sobolewski

Hot Electron Spin-Valve Effect in Coupled Magnetic Layers

January 1, 1994

Author(s)

Robert Celotta, John Unguris, Daniel T. Pierce

SEMPA observations of magnetic exchange coupling in the Fe/Ag/Fe, Fe/Au/Fe, and Fe/Cr/Fe systems reveal an intensity variation in the emitted secondary electron...

Effects of Elastic and Inelastic Electron-scattering on Quantitative Surface Analysis by A.E.S. and X.P.S

January 1, 1994

Author(s)

Cedric J. Powell, E Jablonski, Shigeo Tanuma, David R. Penn

A review is given that describes the complications due to elastic and inelastic electron scattering in quantitative surface analyses by Auger-electron...

Electron Inelastic Mean Free Paths in Organic Materials Especially for Polyethylene and Guanine

January 1, 1994

Author(s)

Shigeo Tanuma, Cedric J. Powell, David R. Penn

We have calculated the electron inelastic mean free paths (IMFPs) in the range 50-2000 eV for 14 different organic compounds using the Penn algorithm. We report...

Oscillatory Exchange Coupling in Fe/Au/Fe(100)

January 1, 1994

Author(s)

John Unguris, Robert Celotta, Daniel T. Pierce

Scanning electron microscopy with polarization analysis was used to investigate the interlayer exchange coupling in Fe/Au/Fe(100) sandwich structures. The films...

Effects of Interfacial Roughness on the Magnetoresistance of Magnetic Metallic Multilayers

January 1, 1994

Author(s)

R Hood, L Falicov, David R. Penn

The Boltzmann equation is solved for a system consisting of a ferromagnetic-normal-metallic multilayer. The in-plane magnetoresistance of Fe/Cr and Fe/Cu...