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Displaying 41876 - 41900 of 73963

DEMONSTRATING ENHANCED POWDER PANELS

January 1, 2003
Author(s)
D C. Cyphers, Scott A. Frederick, John P. Haas
Recent investigations have been conducted into effective, lightweight, non-halon fire protection techniques for mitigating aircraft vulnerability to ballistic threat-induced fires. This paper describes investigations to identify and demonstrate enhanced

Detection of Trace Water in Phosphine with Cavity Ring-down Spectroscopy

January 1, 2003
Author(s)
Susan Y. Lehman, Kristine A. Bertness, Joseph T. Hodges
Water is a detrimental impurity even at concentrations of 10 nmol/mol or less in source gases for compound semiconductor epitaxial growth. Oxygen complexes from water incorporation cause degraded luminescent efficiency and reduced minority carrier

Development of a CD-ROM Metrology Course at NIST

January 1, 2003
Author(s)
Georgia L. Harris
The NIST Weights and Measurements Division (WMD), formerly the Office of Weights and Measures (OWM), conducts training in mass metrology at basic, intermediate, and advanced levels. Over the years, the demand for these courses greatly exceeded the

Diatomic spectral database

January 1, 2003
Author(s)
Francis J. Lovas, E Tiemann, J S. Coursey, Svetlana A. Kotochigova, Jeffrey Chang, Karen J. Olsen, Robert A. Dragoset

Diffusion Barrier Cladding in Si/SiGe Resonant Interband Tunneling Diodes and Their Patterned Growth on PMOS Source/Drain Regions

January 1, 2003
Author(s)
N Jin, A T. Rice, P R. Berger, P E. Thompson, C Rivas, R Lake, S Sudirgo, J J. Kempisty, B Curanovic, S L. Rommel, K D. Hirschman, S K. Kurinec, P Chi, David S. Simons, S.J. Chung
Si/SiGe resonant interband tunnel diodes (RITD) employing delta-doping spikes that demonstrate negative differential resistance (NDR) at room temperature are presented. Efforts have focused on improving the tunnel diode peak-to-valley current ratio (PVCR)

Displacement Uncertainty in Interferometric Radius Measurements

January 1, 2003
Author(s)
Tony L. Schmitz, Christopher J. Evans, Angela Davies, William T. Estler
Interferometric radius measurements may be completed using a radius bench, where radius is defined as the displacement between the confocal and cat?s eye nulls (identified using a figure measuring interferometer). Measurements of a Zerodur sphere have been
Displaying 41876 - 41900 of 73963
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