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Displaying 30826 - 30850 of 143714

Electrodeposition of gold to conformally fill high-aspect-ratio nanometric silicon grating trenches: a comparison of pulsed and direct current protocols

October 1, 2015
Author(s)
sami Znati, N Chedid, Houxun Miao, Lei Chen, Han Wen, Eric E. Bennett
Filling high-aspect-ratio trenches with gold is a frequent requirement in the fabrication of X-ray optics as well as micro-electronic components and other fabrication processes. Conformal electrodeposition of gold in sub-micron-width silicon trenches with

Fiber Bragg Grating Based Thermometry

October 1, 2015
Author(s)
Zeeshan Ahmed, Bernard J. Filla, William F. Guthrie, John S. Quintavalle
In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to resistance thermometry. In this study we examine the thermal response of FBGs over the temperature

Intelligence Level Performance Standards Research for Autonomous Vehicles

October 1, 2015
Author(s)
Roger V. Bostelman, Tsai H. Hong, Elena R. Messina
U.S. and European safety standards have evolved to protect workers near Automated Guided Vehicles (AGV's). However, only recently performance standards have begun development for AGV's and mobile robots. Lessons can be learned for developing such a

Low noise kinetic inductance traveling-wave amplifier using three-wave mixing

October 1, 2015
Author(s)
Michael R. Vissers, Robert P. Erickson, Leila R. Vale, Xian Wu, Gene C. Hilton, David P. Pappas
We have fabricated a wide-bandwidth, high dynamic range, low noise cryogenic amplifier based on a superconducting kinetic inductance traveling-wave device. The device was made from NbTiN and consisted of a long, coplanar waveguide on a silicon chip. By

Peer-to-Peer Urban Channel Characteristics for Two Public-Safety Frequency Bands

October 1, 2015
Author(s)
Catherine A. Remley, David W. Matolak, Camillo A. Gentile, Christopher L. Holloway, Qiong Wu, Qian Zhang
We report on ground-based wireless channel characteristics for an urban environment in two public safety bands. Results are based upon measurements taken in Denver in June 2009. The public safety bands we investigated are the 700 MHz and 4.9 GHz bands
Displaying 30826 - 30850 of 143714
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