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Displaying 56476 - 56500 of 74214

Microform Calibration Uncertainties of Rockwell Diamond Indenters

September 1, 1995
Author(s)
Jun-Feng Song, F Rudder, Theodore V. Vorburger, J Smith
National and international comparisons in Rockwell hardness tests show significant differences. Uncertainties in the geometry of the Rockwell diamond indenters are largely responsible for these differences. By using a stylus instrument, with a series of

Microlithography by Using Neutral Metastable Atoms and Self-Assembled Monolayers

September 1, 1995
Author(s)
K K. Berggren, A Bard, J L. Wilbur, John Gillaspy, A G. Helg, Jabez McClelland, S Rolston, William D. Phillips, M Prentiss, G M. Whitesides
Lithography can be performed with beams of neutral atoms in metastable excited states to pattern self-assembled monolayers (SAMs) of alkanethiolates on gold. An estimated exposure of a SAM of dodecanethiolate (DDT) to 15 to 20 metastable argon atoms per

Rapidly Renewable Polishing Lap

September 1, 1995
Author(s)
Christopher J. Evans, R E. Parks
Textured laps can be created by slumping uniform thin films of appropriate materials over textured substrates that have been generated to the required figure. The film can easily be replaced and the lap shape is invariant since the lap substrate never

Temperature and frequency dependence of anelasticity in a nickel oscillator

September 1, 1995
Author(s)
Robert F. Berg
The frequency dependence of the real and imaginary parts of a nickel oscillator’s transfer function is described over 3 decades in frequency by the use of simple expressions. These expressions incorporate only the resonance frequency omega0, the quality

Virtual Assembly Design Environment

September 1, 1995
Author(s)
Kevin W. Lyons
Virtual reality is a technology which is often regarded as a natural extension to 3D computer graphics with advanced input and output devices. This technology has only recently matured enough to warrant serious engineering applications. The integration of

A CASE Tool to Evaluate Functional Diversity in Safety System Software

August 31, 1995
Author(s)
D Wallace, James R. Lyle, L M. Ippolito, D W. Binkley, M L. Zimmerman
This report contains the results of the Phase C effort of the project A CASE Tool to Evaluate Functional Diversity in Safety System Software conducted by the National Institute of Standards and Technology for the Nuclear Regulatory Commission (NRC). Phase

Frequency Stabilization of a Green He-Ne Laser

August 20, 1995
Author(s)
Jack A. Stone Jr., Alois Stejskal
A new process for stabilizing the frequency of commercially available 543 nm He-Ne lasers is described. The stabilization method is based on anomalous dispersion of the gain medium. A total of four green lasers have been stabilized - two at the National

Compensation of Errors Detected by Process-Intermittent Gauging

August 10, 1995
Author(s)
Herbert T. Bandy, David E. Gilsinn
This paper describes a software design for implementing compensation of errors detected by process-intermittent gauging. This is the function of one control loop in the three-loop Quality In Automation (QIA) architecture that is under development at the
Displaying 56476 - 56500 of 74214
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