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Displaying 52901 - 52925 of 74189

Absolute Silicon Photodiodes for 160 nm to 254 nm Photons

January 1, 1998
Author(s)
L R. Canfield, Robert E. Vest, R Korde, H Schmidtke, R Desor
Silicon n-on-p photodiodes with 100% internal efficiency have been studied in the 160 nm to 254 nm range. Preliminary values for the quantum yield of silicon, a fundamantal property, are determined. Using these values, a trap detector for absolute flux

Active Cavity Radiometer Based on High-TC Superconductors

January 1, 1998
Author(s)
Joseph P. Rice, Raju V. Datla, Leila R. Vale, David A. Rudman, M L. Sing, D Robbes
To implement the detector-based radiometric scale in the new Medium Background infrared [MBIR] facility at the National Institute of Standards and Technology [NIST], we have developed an electrical substitution cavity radiometer that can be operated at

Advances in NIST Standard Rockwell Diamond Indenters

January 1, 1998
Author(s)
Jun-Feng Song, Samuel R. Low III, David J. Pitchure, Theodore V. Vorburger
Recent developments in standard hardness machines and microform calibration techniques have made it possible to establish a worldwide unified Rockwell hardness scale with metrological traceability. This includes the establishments of the reference

An Integrated Approach to Optimal Three Dimensional Layout and Routing

January 1, 1998
Author(s)
Simon Szykman, J Cagan, P Weisser
This paper describes the combination of previously-developed component placement and routing algorithms into an integrated computational approach to product layout optimization. Previous work introduced simulated annealing-based algorithms for optimal
Displaying 52901 - 52925 of 74189
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