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Conferences

Sources of Uncertainty in UV Radiation Measurements

Author(s)
Thomas C. Larason, Christopher L. Cromer
Increasing commercial, scientific, and technical applications involving ultraviolet (UV) radiation has led to the demand for improved understanding of the...

A Metamodeling Approach to Evolution

Author(s)
M N. Terrasse
With the increasing complexity of systems being modeled, analysis and design move towards more and more abstract methodologies. Most of them rely on...

Sapphire Statistical Characterization and Risk Reduction Program

Author(s)
Donald McClure, Robert Cayse, David R. Black, Steven Goodrich, K Lagerloef, D Peter, Daniel C. Harris, Dale McCullum, Daniel H. Platus, Charles E. Patty, Robert S. Polvani
The Sapphire Statistical Characterization and Risk Reduction Program tested 1400 4-point flexure bars with different crystal orientations at different...

Regenerative Stablity Analysis of Highly Interrupted Machining

Author(s)
Matthew A. Davies, Jon R. Pratt, Brian S. Dutterer, Timothy J. Burns
We discuss theoretical and experimental work that supports the use of very low radia immersion in the high-speed milling of difficult-to-machine materials, such...

A Careful Consideration of the Calibration Concept

Author(s)
Steven D. Phillips, William T. Estler, Theodore D. Doiron, K Eberhardt, M. Levenson
This paper is a detailed discussion of the technical aspects of the calibration process with emphasis on the definition of the measurand, the conditions under...

Effects of Cleaning on the US Prototype Kilograms

Author(s)
Zeina J. Kubarych, R S. Davis
This paper dicusses the stability of national prototype kilograms No. 4 and No. 20, belonging to the United States. Calibration history, changes in mass with...

A Single 199Hg+ Ion Optical Clock

Author(s)
James C. Bergquist, Christopher W. Oates, E A. Curtis, Leo W. Hollberg, Robert E. Drullinger, Wayne M. Itano, David J. Wineland, T Udem

Molecular Measuring Machine Design and Performance

Author(s)
John A. Kramar, Jay S. Jun, William B. Penzes, Vincent P. Scheuerman, Fredric Scire, E C. Teague
We have developed a metrology instrument called the Molecular Measuring Machine (M3) with the goal of performing two-dimensional point-to-point measurements...
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