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Displaying 13076 - 13100 of 13227

A Novel Wafer-plane Dosimeter for EUV Lithography

November 1, 2009
Author(s)
Steven E. Grantham, Charles S. Tarrio
… 13.5 nm light for patterning wafers and requires in-situ wafer-plane dosimetry that can be tailored to the … these require electrical connections and can be intrusive in a stepper’s projection optics box and will deteriorate … on a wafer plane dosimeter, based on storage phosphor technology, which can pass through a stepper as wafer …

Long-Term Performance of Nano-Filled Polymeric Materials: Effect of ZnO Nanoparticles on Photodegradation of a Waterborne Polyurethane Coating

July 8, 2009
Author(s)
Xiaohong Gu, Dongmei Zhe, Minhua Zhao, Guodong Chen, Nhieu Ly, Paul E. Stutzman, Li Piin Sung, Tinh Nguyen, Joannie W. Chin
… Polymers are widely used as exterior coatings in buildings, bridges, aircrafts and automobiles for both … by ultraviolet (UV) irradiation. Recent development in nano-particle technology has initiated the use of inorganic UV absorbers … Indianapolis, IN …

Error Motions of a Non-orthogonal Rotary Axis

October 19, 2008
Author(s)
Michael L. McGlauflin, Shawn P. Moylan
… of rotating axes are one of many sources of imprecision in machining. Accurate determination of axis of rotation … error sources. The National Institute of Standards and Technology employs a commercially available high-speed, … A non-orthogonal orientation, such as the one investigated in this paper, introduces multiple considerations regarding …

CTOA Measurements of Welds in X100 Pipeline Steel

October 3, 2008
Author(s)
Elizabeth S. Drexler, Philippe P. Darcis, Christopher N. McCowan, John M. Treinen, Avigdor Shtechman, Roni Reuven, Thomas A. Siewert, Robert Smith, J. Merritt, Joseph D. McColskey
… was initiated at the National Institute of Standards and Technology (NIST) in Boulder. Part of the test matrix included testing the … ran perpendicular to the girth weld demonstrated changes in CTOA and crack growth rate as the crack moved through the … CTOA Measurements of Welds in X100 Pipeline Steel …

Liquid State NMR as a Test-bed for Developing Quantum Control Methods

July 15, 2008
Author(s)
C. A. Ryan, C. Negrevergne, M. Laforest, Emanuel Knill, R. Laflamme
… due to decoherence or inaccurate control fields are errors in the computation. This new perspective lead to the realization that in the same way it is possible to encode classical … rate is low enough it is possible to compute accurately in the presence of errors. Thus the control and isolation …

Proficiency Testing for Achieving Accreditation in Thermometry

June 5, 2008
Author(s)
Sally S. Bruce, Gregory F. Strouse
… As such, the National Institute of Standards and Technology (NIST) Thermometry Group conducts proficiency … thermometers, thermistors, thermocouples, and liquid-in-glass thermometers. The NIST Thermometry Group proficiency tests scale inversely in difficulty as a function of the uncertainties contained …

Multiscale Modeling of Lattice Defects in Si-Ge(001) Quantum Wells

April 9, 2008
Author(s)
B. Yang, Vinod Tewary
… is developed for multiscale modeling of lattice defects in a trilayer material system that links seamlessly the … calculate the discrete core structure of lattice defects in Si-Ge(001) quantum wells (QWs) which are of contemporary … short range and long range lattice distortions and strains in the lattice caused by the defects and their formation …

Final Report: Report of the CCQM Pilot P26.1: Determination of Sulfur in Diesel Fuel

January 1, 2007
Author(s)
William R. Kelly, Robert D. Vocke Jr., Jacqueline L. Mann, Gregory C. Turk
… and the United States have set new lower limits on sulfur in diesel transport fuel of 10 g/g and 15 g/g, respectively. … the capabilities of NMIs to measure the sulfur content in diesel fuel at the 8 g/g (P26.1) level. In addition, a … Chemist (LGC), and the National Institute of Standards and Technology (NIST). Three other laboratories agreed to …

Stochastic Modeling and Estimation in a Neutron Lifetime Experiment

January 1, 2007
Author(s)
Yang G. L., Kevin Coakley
… demonstrated at the National Institute of Standards and Technology Cold Neutron Research Facility for the first time that ultra cold neutrons can be confined in a magnetic trap filled with liquid helium. This technical … answer questions fundamental to physics and astrophysics. In a first generation version of the experiment, the neutron …

Certification of SRM 114q: Part II

June 14, 2006
Author(s)
Chiara C. Ferraris, Max A. Peltz, William Guthrie, A Aviles, Robin K. Haupt, Bruce S. MacDonald
… integral part of the calibration material routinely used in the cement industry to qualify cements. Being a powder, … SRM 114p an addendum was developed proving the PSD curve in 2003. The supply of SRM 114p, which was released in 1994, … the PSD in this report was based on the light scattering technology (or as it is commonly referred to laser …

NIST Station Nightclub Fire Investigation: Physical Simulation of the Fire

June 1, 2006
Author(s)
Daniel M. Madrzykowski, Nelson P. Bryner, Stephen Kerber
… of February 20, 2003, at The Station Nightclub located in West Warwick, Rhode Island. A band that was performing … the ceiling area over the dance floor. Smoke was visible in the exit doorways in a little more than one minute, and … Engineers from the National Institute of Standards and Technology's (NIST) Building and Fire Research Laboratory …

Traceable Atomic Force Microscope Dimensional Metrology at NIST

March 1, 2006
Author(s)
Ronald G. Dixson, Ndubuisi G. Orji, Joseph Fu, Michael W. Cresswell, Richard A. Allen, William F. Guthrie
… The National Institute of Standards and Technology (NIST) has a multifaceted program in atomic force microscope (AFM) dimensional metrology. … for traceable measurements at NIST.  The first is a custom in-house metrology AFM, called the calibrated AFM (C-AFM), …

Fire Structure Interface and Thermal Response of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5G) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Kuldeep R. Prasad, Howard R. Baum
… The methodology was subsequently used extensively in National Institute of Standards and Technology's (NIST's) WTC Investigation to predict the … thermal response of the structural elements was generated in a format that is consistent with the structural models and …

Time and Frequency Comparisons Between Four European Timing Institutes and NIST Using Multiple Techniques

March 21, 2005
Author(s)
Andreas Bauch, Joseph Achkar, R Dach, R Hlavac, Luca Lorini, Thomas E. Parker, G. Petit, P Uhrich
… Ferraris (IEN), National Institute of Standards and Technology (NIST), National Physical Laboratory (NPL), … campaign of selected frequency references maintained in their laboratories during about 25 days in October/November 2004. The active hydrogen maser reference …

McMurdie

December 3, 2004
Author(s)
Alan D. Mighell, Gasper J. Piermarini, Winnie K. Wong-Ng
… life spanned almost the entire 20th century and, seen in reverse, it would go back almost to the time of George … His fruitful scientific career of 75 years began in 1928 and spans 3/4 of the history of NIST/NBS (National Institute of Standards and Technology/National Bureau of Standards) and the entire …

Cook County Administration Building Fire, 69 West Washington, Chicago, Illinois, October 17, 2003: Heat Release Rate Experiments and FDS Simulations

July 1, 2004
Author(s)
Daniel M. Madrzykowski, William D. Walton
… On October 17, 2003, in the Cook County Administration Building, 69 West Washington, Chicago, Illinois, a fire resulted in six fatalities and several injuries. In response to a … of Illinois, the National Institute of Standards and Technology (NIST) agreed to provide technical assistance to …

Interim Report on Single Crystal Critical Dimension Reference Materials (SCCDRM)

January 1, 2004
Author(s)
Ronald G. Dixson, Michael W. Cresswell, Richard A. Allen, William F. Guthrie, Brandon Park, Christine E. Murabito, Joaquin (. Martinez
… companies have been released for distribution.  The final technology transfer report is currently undergoing revision and review at NIST and is expected to be released in November.  The purpose of this interim report is to … feature quality, up to six widths are quoted per sample.  In general, the feature widths ranged from approximately 80 …

A Primary Dead-Weight Tester for Pressures (0.05-1.0) MPa

April 1, 2003
Author(s)
K. Jain, Walter J. Bowers Jr., James W. Schmidt
… Recent advances in technology on two fronts, 1) the fabrication of large … within NIST as PG-39) that serves as a pressure standard in which both the piston and the cylinder have been … area measured by the NIST Precision Engineering Division in 1990 within 1.0 ppm and with recent values obtained by the …

Computerized Fire Simulations For Use In Fatal Fire Investigations

February 1, 2003
Author(s)
Daniel M. Madrzykowski
… and the application of fire models to investigations.In conjunction with the National Institute for Occupational … Health (NIOSH), the National Institute of Standards and Technology (NIST) has developed computer based fire simulations to assist in the understanding of the fire behavior in a number of line …

Fire Resistance Determination & Performance Prediction Research Needs Workshop: Proceedings

September 1, 2002
Author(s)
William L. Grosshandler
… A workshop calling upon scientific and engineering experts in materials, fire protection, and structural dynamics was … to underpin meaningful test and predictive methods for use in evaluating the performance of structures subject to actual … materials science; to identify opportunities and needs in advanced computational methods; and to identify …
Displaying 13076 - 13100 of 13227
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