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Search Publications

NIST Authors in Bold

Displaying 1826 - 1850 of 13215

Morphology-insensitive Performance Facilitates Transition from Spin-Coating to Roll-to-Roll Coating For High-Performance, Solution-Processed Solar Cells

August 2, 2016
Author(s)
Lee J. Richter, Jonathan Downing, Sebastian Engmann, Hyun W. Ro, Andrew A. Herzing, Dean M. DeLongchamp, Subhrangsu Mukherjee, Harald Ade, Maged Addelsamie, Aram Amassian, Yuhang Liu, He Yan
… a deposition process incompatible with volume manufacturing. We present detailed device and morphology … of an organic photovoltaic system deposited by a volume manufacturing compatible technique, blade- coating, that … by blade-coating vs spin-coating. We posit that diversity in the morphology that supports high performance may be a …

On Migrating ISO 10303 PMI Models to a Common Core

January 4, 2023
Author(s)
Allison Barnard Feeney, Thomas Thurman
… needed the ability to exchange design product data that is in conformance with recently updated ISO geometric product … support continued migration from drawing-based product and manufacturing in- formation (PMI) exchange to full model-based exchange, … Advanced Manufacturing Series (NIST AMS) - 100-51 …

Thin-Film Ellipsometry Metrology

March 1, 1998
Author(s)
P. Durgapal, James R. Ehrstein, Nhan Van Nguyen
… A wide variety of commercial ellipsometers are available in the market today. They all measure the change in the state of polarization of light on reflection, but the … designs affect the accuracy of thickness determinations. Manufacturing, and accurate determination, of thickness of …

Voice Biometrics: Future Trends and ChallengesAhead

September 1, 2021
Author(s)
Doug Reynolds, Craig Greenberg
… voice biometrics will play an increasingly important role in protecting sensitive access and actions … many new application opportunities as well as challenges in addressing societal privacy concerns … and continuously improving voice biometric's reliability in more diverse acoustic environments …

Metrology at the Nanoscale: What are the Grand Challenges?

August 6, 2008
Author(s)
Kevin W. Lyons, Michael T. Postek
… instrumentation, measurement methods (off-line and in-process applications), and standards. To meet the needs of the emerging integrated manufacturing community it is important that research on … identified at two nanomanufacturing workshops held in 2004 and 2006 that were focused on metrology, …

Recent Advances in Sharing Standardized STEP Composite Structure Design and Manufacturing Information

June 19, 2013
Author(s)
Vijay Srinivasan, Allison Barnard Feeney, Keith A. Hunten
… and implemented a standard, ISO 10303-209, for sharing the manufacturing information for these complex composite … essential for improving the design, analysis, and manufacturing productivity of composite structures, and for … with their anticipated impacts on the design, analysis, manufacturing, and long-term support of composite structures …

Process Planning for a Milling Machine From a Feature-Based Design

April 1, 1988
Author(s)
Thomas R. Kramer
… In the Vertical Workstation (VWS) of the NBS Automated Manufacturing Research Facility, metal parts are machined … half the time for design input. With a design already in hand, the VWS software (which is written in LISP and runs … Proceedings of AMSE Manufacturing International …

Supply Chain Risk Management Practices for Federal Information Systems and Organizations

April 8, 2015
Author(s)
Jon M. Boyens, Celia Paulsen, Rama Moorthy, Nadya Bartol
… the risks associated with information and communications technology (ICT) products and services that may contain … are counterfeit, or are vulnerable due to poor manufacturing and development practices within the ICT supply … into, understanding of, and control over how the technology that they acquire is developed, integrated and …

ANOMALY DETECTION OF LASER POWDER BED FUSION MELT POOL IMAGES USING COMBINED UNSUPERVISED AND SUPERVISED LEARNING METHODS

October 1, 2022
Author(s)
Paul Witherell, Brandon Lane, Ho Yeung, Zhuo Yang, Kincho Law
… (LPBF) is one of the most promising forms of Additive Manufacturing (AM), allowing easily customized metal … to the often unknown and unreliable part quality, which is in large part due to the complex relationships between … anomalous melt pools. Another unsupervised learning method in this paper is the U-Net autoencoder, which identifies …

Measuring the Performance of Urban Search and Rescue Robots

May 17, 2007
Author(s)
Elena R. Messina, Adam S. Jacoff
… coordinated by the National Institute of Standards and Technology and will result in consensus standards developed through ASTM International. … exercises have been held at US&R training facilities, in which responders work side-by-side with robot …

NBS AMRF Process Planning System--System Architecture

October 1, 1988
Author(s)
Peter Brown, Steven R. Ray
… description of design and implementation of the Automated Manufacturing Research Facility (AMRF) Process Planning … with an understanding of the concepts behind the work in the process planning project as well as on the approach … AMRF, Automated Manufacturing Research Facility, process planning …

Enhancing Collaboration using an Internet Integrated Workbench

September 1, 1999
Author(s)
Robert Allen, Srinivas Nidamarthi, S P. Regalla, Ram D. Sriram
… collaborative environment to enhance the design and manufacturing process of a custom-designed artifact transport … We conclude that environments like the CW can be effective in helping teams overcome the problems associated with … and heterogeneous data formats, and can be effective in facilitating consensus-based decision making necessary for …

MPD Technology for Tribology Applications

June 8, 1998
Author(s)
Lisa Karam, A.K Dukier, P. Volkovitsky, Bert Coursey, L Stodolsky
… The new ultra-sensitive MPD technology, already employed successfully in biomedical … MPD Technology for Tribology Applications …

Reactive Scheduling System Implementations Using a Simulated Shop Floor

January 1, 1998
Author(s)
Frank H. Riddick
… Developing approaches to integrating manufacturing applications is important for increasing … been developed that defines how to integrate scheduling technology with manufacturing shop floor applications. … A composite representation of commonly available simulator technology is used as a basis for describing the common …

National Institute of Standards and Technology Environmental Scan 2020

February 9, 2021
Author(s)
Heather Evans, Kristen K. Greene, William M. Healy, Elizabeth Hoffman, Kate Rimmer, Anna V. Sberegaeva, Neil M. Zimmerman
… The 2020 National Institute of Standards and Technology Environmental Scan provides an analysis of key … Investment & Geopolitical, Political & Policy, and Technology & Science. Most of the issues discussed in the … and advance its leadership in metrology, standards, and technology. However, a broad range of emerging technology …

Niobium-silicide Junction technology for superconducting digital electronics

June 15, 2009
Author(s)
David I. Olaya, Paul D. Dresselhaus, Samuel P. Benz
… consumption and fast switching speeds, are a promising technology to deliver ultra-high performance computation. Currently, the preferred technology for junctions in SCE consists of Nb/AlOx/Nb tunnel … Important developments have been achieved using this technology. Further improvements rely on increased speed and …

Monte Carlo Reconstruction: a concept for propagating uncertainty in computed tomography

July 19, 2021
Author(s)
Massimiliano Ferrucci, Evelina Ametova, Wim Dewulf
… We present a concept for propagating uncertainty in X-ray computed tomography (CT) by a Monte Carlo … which relies on simulating all individual steps in the X-ray CT measurement procedure and therefore … Monte Carlo trial, the instrument geometrical parameters in a filtered back projection reconstruction algorithm are …
Displaying 1826 - 1850 of 13215
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