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Displaying 601 - 625 of 2933

Measurement Uncertainty of Surface Temperature Distributions for Laser Powder Bed Fusion Processes

August 10, 2021
Author(s)
David Deisenroth, Sergey Mekhontsev, Brandon Lane, Leonard M. Hanssen, Ivan Zhirnov, Vladimir Khromchenko, Steven Grantham, Daniel Cardenas-Garcia, Alkan Donmez
… Well-established literature values for high-purity nickel solidification temperature and emissivity at the … 8 % at the solidification point of high-purity nickel, both of which are satisfactory. This paper also …

Combinatorial Investigation of Structural Quality of Au/Ni Contacts on GaN

June 1, 2004
Author(s)
Albert Davydov, Leonid A. Bendersky, William J. Boettinger, Daniel Josell, Mark D. Vaudin, C S. Chang, Ichiro Takeuchi
… single-layered Au was due to the beneficial role of the nickel inter-layer, which removed native contamination from … epitaxial growth of both metal layers. However, as the nickel inter-layer thickness was increased above 5 nm, the …

Evaluation of Lateral Resolution of Light Field Cameras

September 8, 2018
Author(s)
Sowon Joy Yoon, Peter Bajcsy, Maritoni A. Litorja, James J. Filliben
Light field cameras are an emerging imaging device for acquiring 3-D information of a scene by capturing a field of light rays traveling in space. As light field cameras become portable, hand- held, and affordable, their potential as a 3-D measurement

Measurement of High-Energy (10 keV to 60 keV) X-Ray Spectral Line Widths with eV Accuracy

August 8, 2014
Author(s)
John F. Seely, Jack L. Glover, Lawrence T. Hudson, Yuri Ralchenko, Nino R. Pereira, U. Feldman, C. D. Stefan
A high resolution crystal spectrometer (HRCS) utilizing a crystal in transmission geometry has been developed and experimentally optimized to measure the line widths of emission lines in the 10 keV to 60 keV energy range with eV accuracy. The spectrometer

A Rapid Prototyping Technique for the Fabrication of Solvent-Resistant Structures

October 1, 2003
Author(s)
C Harrison, J Cabral, Christopher M. Stafford, Alamgir Karim, Eric J. Amis
We demonstrate a rapid prototyping technique for the fabrication of solvent-resistant channels up to and exceeding one millimeter in height. The fabrication of channels with such dimensions by conventional lithography would be both challenging and time

A system for probing Casimir energy corrections to the condensation energy

December 28, 2020
Author(s)
Diego J. Perez, Alexander Stange, Richard Lally, Lawrence Barrett, Matthias Imboden, Abhishek Som, David Campbell, Vladimir Aksyuk, David Bishop
In this article, we present a nano-electromechanical system (NEMS) designed to detect changes in the Casimir Energy. The Casimir effect is a result of the appearance of quantum fluctuations in the electromagnetic vacuum. Previous experiments have used nano

Temperature-Dependent Behavior of PbSc 1/2 Nb 1/2 O 3 From First Principles

July 1, 2001
Author(s)
Eric J. Cockayne, Benjamin P. Burton, L Bellaiche
We study the ferroelectric phase transition in PbSc1/2Nb1/2O3 (PSN) using a first-principles effective Hamiltonian approach. Results for PSN with NaCl-type ordering of Sc and Nb on the B sites shows that a Pb-centered effective Hamiltonian is appropriate
Displaying 601 - 625 of 2933
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