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Displaying 8926 - 8950 of 17270

Precision Measurements using a 300 mV Josephson Arbitrary Waveform Synthesizer

June 4, 2007
Author(s)
Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs, Norman F. Bergren
We have developed a Josephson Digital-to-Analog Converter, otherwise know as a Josephson Arbitrary Waveform Synthesizer, with 300 mV peak output voltage. This is the first system of its kind with demonstrated quantum accuracy. We will show precision

Consistency of D 13 C Measurements Improved

February 1, 2006
Author(s)
Blaza Toman, T Coplen, W Brand, R. Michael Verkouteren, M Gehre, M Groening, HAJ Meijer
… reference materials, ring test, stable isotope, standards …

A Welding Data Dictionary

March 31, 2004
Author(s)
William G. Rippey
… data dictionary, digital welding data, Standards, weld inspection results, Welding, welding terms …

Metrics and Metrology for FPDs

May 1, 2003
Author(s)
Edward F. Kelley
… and measurements, flat panel displays, FPD metrology, standards on display measurements …

Isostructural Self-Assembled Monolayers, Part 1. Octadecyl 1-thiaoligo(ethylene oxides)

April 1, 2003
Author(s)
David J. Vanderah, Richard S. Gates, Vitalii I. Silin, D N. Zeiger, John T. Woodward IV, Curtis W. Meuse, Gintaras Valincius, B Nickel
The self-assembled monolayers (SAMs) of a series of octadecyl 1-thiaoligo(ethylene oxide)x disulfides {[S(CH 2CH 2O) xC 18H 37] 2}, where x = 4 to 8, were assembled on gold and characterized by reflection-adsorption infrared spectroscopy (RAIRS)

CD Reference Materials for Sub-Tenth Micrometer Applications

June 1, 2002
Author(s)
Michael W. Cresswell, E. Hal Bogardus, Joaquin (. Martinez, Marylyn H. Bennett, Richard A. Allen, William F. Guthrie, Christine E. Murabito, B A. am Ende, Loren W. Linholm
Prototype linewidth reference materials with Critical Dimensions (CDs) as narrow as 70 nm have been patterned in (110) silicon-on-insulator films. The sidewalls of the reference features are parallel, normal to the substrate surface, and have almost

Low Harmonic Distortion in a Josephson Arbitrary Waveform Synthesizer

August 14, 2000
Author(s)
Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus
The use of broadband integrated filters has enabled practical operating margins for ac waveforms synthesized from the perfectly quantized voltage pulses of Josephson junction arrays. This improvement enabled the digital synthesis of arbitrary waveforms

Toroidal Cross-Capacitor for Measuring the Dielectric Constant of Gases

July 1, 2000
Author(s)
T J. Buckley, J O. Hamelin, Michael R. Moldover
We describe toroidal cross capacitors built to accurately measure the dielectric constant of gases. We tested the capacitors by measuring the dielectric polarizability of helium and argon at 7 and 50 degrees C at pressures up to 3 MPa. For helium, the

Operating Margins for a Superconducting Voltage Waveform Synthesizer

June 1, 1999
Author(s)
Samuel Benz, Clark A. Hamilton, Charles J. Burroughs
Operating margins for biolar superconducting voltage waveform synthesizer were measured. Current ranges were determined for 101 equally spaced dc voltage steps between - 18.6 and + 18.6 mV. The measured voltages of these steps deviated from the expected

NGIS SIM Specification

January 1, 1998
Author(s)
William G. Rippey, John L. Michaloski, Martin Herman, Sandor S. Szabo, W Dewys, N Frampton
… Standards, Control, Metrology, application programming …

The TEAM API Open Architecture Methodology

January 1, 1998
Author(s)
John L. Michaloski, S Birla, R Igou, H Egdorf, C J. Yen, D Sweeney, G Weinert
… Standards, API, class, controller, life cycle, model, object …

Final Report on the Key Comparison CCM.P-K5 in Differential Pressure From 1 Pa to 1000 Pa

January 1, 2003
Author(s)
A P. Miiller, G Cignolo, M P. Fitzgerald, M P. Perkin, M Sardi, Philip A. Simpson
… a CCM key comparison of low differential-pressure standards at four National Measurement Institutes (NMIs) that … on a line pressure of nominally 100 kPa. The primary standards, which represent two principal measurement methods, … (NIST). The degrees of equivalence of the measurement standards were determined in two ways, deviations from key …

Preliminary Digital Preservation Interoperability Framework (DPIF) Results

Author(s)
Wo L. Chang
… the US International Committee for Information Technology Standards/Digital Content Management and Protection … ISO/IEC SGDCMP, Wo Chang from the National Institute of Standards and Technology (NIST) was appointed as the program … tracks: Content Organization Track, Technology Track, and Standards and Best Pract …
Displaying 8926 - 8950 of 17270
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