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Displaying 1076 - 1100 of 2974

Precise Energies of Highly Excited Hydrogen and Deuterium

November 1, 2002
Author(s)
Svetlana A. Kotochigova, Peter J. Mohr, Barry N. Taylor
The energy levels of hydrogen and deuterium atoms are calculated to provide frequencies for transitions between highly excited states with principal quantum number n up to 200. All known quantum electrodynamics and relativistic corrections have been

Two Dimensional Phase Diagram of Decanethiol on Au(111)

February 1, 2001
Author(s)
G Poirier, W P. Fitts, J M. White
sed on variable temperature ultrahigh vacuum scanning tunneling microscopy data, we propose a two dimensional phase diagram of monolayerdecanethiol on Au(111). Four triple point temperatures were determined: T1 at 27 C, T2 at 33 C, T3 at 35 C, and T4 at 56

New Steel Gravity Connection Details for Enhanced Integrity

April 23, 2015
Author(s)
Jonathan M. Weigand, Jeffrey W. Berman
Recent large-scale tests have found that Steel Gravity Framing Systems (SGFSs) with conventional connections were inadequate to support the integrity gravity load combinations under column removal scenarios. To address this issue, detailed connection

Metrology Needs for TSV Fabrication

March 4, 2014
Author(s)
Victor H. Vartanian, Richard A. Allen, Larry Smith, Klaus Hummler, Steve Olson, Brian Sapp
… etch, liner, barrier, and seed (L/B/S) depositions, copper plating, and copper CMP. These TSVs, with typical dimensions …

A W-band polarization converter and isolator

June 6, 2007
Author(s)
Charles Dietlein, A. Luukanen, Zoya Popovic, Erich N. Grossman
This paper presents a 95-GHz printed low-loss linear-to-circular polarizer designed as a component of an active direct-detection millimeter-wave imaging system. The periodic printed structure presents different reactances to the TE and TM polarizations

Inside Diameter Measurements for the Cylinder of a 20 L Piston Prover

March 23, 2006
Author(s)
Jesus J. Aguilera, Tsyh Tyan Yeh, John D. Wright
We made inside diameter measurements of a stainless steel cylinder used in a piston prover for hydrocarbon liquid flow measurements. We used a 3-point micrometer and two traceable setting rings to measure diameter at 12 radial positions at each of 21

X-Ray Tomography of Integrated Circuit Interconnects: Past and Future

November 1, 2001
Author(s)
Zachary H. Levine
An Al-W-silica integrated circuit interconnect sample was thinned to several micro υ and scanned across a 200 nm focal spot of a Fresnel zone plate operating at photon energy of 1573 eV. The experiment was performed on beamline 2-ID-B of the Advanced

Tomographic Reconstruction of an Integrated Circuit Interconnect

January 1, 1999
Author(s)
Zachary H. Levine, A R. Kalukin, S P. Frigo, I McNulty, M Kuhn
An Al-W-silica integrated circuit interconnect sample was thinned to several micro υ and scanned across a 200 nm focal spot of a Fresnel zone plate operating at photon energy of 1573 eV. The experiment was performed on beamline 2-ID-B of the Advanced
Displaying 1076 - 1100 of 2974
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