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Displaying 9276 - 9300 of 13224

Simulated filament shapes in embedded 3D printing

July 22, 2021
Author(s)
Leanne Friedrich, Jonathan Seppala
… printed into supports at high and low surface tensions. In order to guide material selection for embedded 3D printing … the morphology of single filaments. Numerical simulations in OpenFOAM demonstrate that at low viscosities, surface … and support viscosities and the shape of the yield surface in the support control the filament shape. Herschel-Bulkley …

Ruddlesden-Popper-Phase Hybrid Halide Perovskite/Small-Molecule Organic Blend Memory Transistors

December 31, 2020
Author(s)
Murali Gedda, Emre Yengel, Hendrik Faber, Fabian Paulus, Joshua Kreb, Ming Chun Tang, Siyuan Zhang, Christina A. Hacker, Prashant Kumar, Dipti R. Naphade, Yana Vaynzof, George Volonakis, Feliciano Giustino, Thomas D. Anthopoulos
… layers during processing is critical for the reliable manufacturing of optoelectronic devices. Here we report on a … channel, while the naturally forming formed quantum wells in the hybrid perovskite beneath act as the charge storage … highlight a new memory device concept for application in large-area electronics while highlighting a simple growth …

NIST Ballistics Toolmark Research Database

January 27, 2020
Author(s)
Xiaoyu Alan Zheng, Johannes A. Soons, Robert M. Thompson, Sushama P. Singh, Cerasela Constantin
… In 2009, a report by the National Academies called into … marks made by different firearms and the variability in marks made by an individual firearm. The current, 'fairly …

Assessing a Method and Reference Material for Quantification of Vitamin D Binding Protein During Pregnancy

January 23, 2020
Author(s)
Lisa E. Kilpatrick, Ashley S. Boggs-Russell, William C. Davis, Stephen E. Long, James H. Yen, Karen W. Phinney
… However, these studies used immunoassays which may result in variations between assays from different manufacturers because of differences in antibody epitopes. Measurements of VDBP are also of interest because changes in expression may indicate negative outcomes during pregnancy …

Quantum Capacitance-Limited MoS2 Biosensors Enable Remote Label-Free Enzyme Measurements

August 7, 2019
Author(s)
Son T. Le, Nicholas B. Guros, Robert C. Bruce, Antonio Cardone, Niranjana D. Amin, Siyuan Zhang, Jeffery B. Klauda, Harish C. Pant, Curt A. Richter, Arvind Balijepalli
… films of MoS2, use a room temperature ionic liquid (RTIL) in place of a conventional oxide gate dielectric and exhibit very low intrinsic noise resulting in a pH resolution of 9210-6 at 10 Hz. This high device … benefit numerous applications ranging from pharmaceutical manufacturing to clinical diagnostics. As an example, we …

Corona Treatment for High-Throughput, Layer-by-Layer Nano-Transfer Molding

April 2, 2019
Author(s)
Michael Deagan, Edwin Chan, Linda S. Schadler, Chaitanya Ullal
… robust, and scalable technique for adhesion promotion in nano-transfer molding. In contrast to conventional plasma treatment, which requires … and economical approach to layer-by-layer additive manufacturing at the nanoscale. …

VIRTUAL EXPERIMENTAL INVESTIGATION FOR INDUSTRIAL ROBOTICS IN GAZEBO ENVIRONMENT

November 14, 2018
Author(s)
Murat Aksu, John L. Michaloski, Frederick M. Proctor
… of the industrial robots as they are performing in unstructured and dynamic environments is a … algorithms for the effective application of robots in those changing environments. The distributed framework for … (ROS I), which extends the capabilities of ROS to manufacturing, allows us to interoperate between industrial …

Formation of a crack-free, hybrid skin layer with tunable surface topography and improved gas permeation selectivity on elastomers using gel-liquid infiltration polymerization

September 11, 2017
Author(s)
Justin Gorham, Jason Killgore, Maryam Omidvar, Haiqing Lin, Frank W. DelRio, Lewis M. Cox, Zheng Zhang
… polymerization (ll-IP) is conventionally used for manufacturing bulk polymers like nylon, as well as forming barrier layers for reverse osmosis membranes. In this work, we explore the use of gel-liquid infiltration … gel within an aqueous MPD solution. Due to the asymmetry in solubility, MPD diffuses into the PDMS gel and polymerizes …

The Canonical Robot Command Language (CRCL)

August 1, 2016
Author(s)
Frederick M. Proctor, Stephen B. Balakirsky, Zeid Kootbally, Thomas R. Kramer, Craig I. Schlenoff, William P. Shackleford
… and up-front cost of the system, but the payback in the reduction of recurring teach programming time can be … a range of vendor equipment, and maintain investments in application development through reuse. …

Low-Loss Electron Imagine for Enhanced Surface Detail in the Scanning Electron Microscope: The Contributions of Oliver C. Wells

January 7, 2015
Author(s)
Michael T. Postek, Andras Vladar
… Low-loss electron (LLE) imaging in the scanning electron microscope (SEM) is based on the … known record of the LLE technique was its introduction in a 1971 Applied Physics Letters communication authored by … various take-off angles. Wells put the concepts presented in the 1970 paper together with a statement he credited to …

Viscoelastic Characterization of Fusion Processing in Bimodal Polyethylene Blends

June 2, 2014
Author(s)
Aaron Forster, Wei-Lun Ho, Kar T. Tan, Donald Hunston
… process on the local microstructure from these tests. In this work, instrumented indentation with a flat punch is … of five different polyethylene resins used for pipe manufacturing at short times. High strain behavior related to … Viscoelastic Characterization of Fusion Processing in Bimodal Polyethylene Blends …

The IAQ and Energy Impacts of Reducing Formaldehyde Emissions in Commercial Building

February 11, 2014
Author(s)
Lisa C. Ng, Andrew K. Persily, Steven J. Emmerich, Kevin Y. Teichman
… Heating, ventilating, and air conditioning (HVAC) systems in buildings are designed to provide thermally comfortable … which constitutes 40 % of the primary energy consumed in the U.S. As efforts are pursued to reduce building energy … of composite wood products, such as those used in manufacturing furniture. Also, based on the health effects of …

Methods for Accurate Cold-Chain Temperature Monitoring Using Digital Data-Logger Thermometers

September 10, 2013
Author(s)
Michal J. Chojnacky, Gregory F. Strouse, W. Wyatt Miller
… to indicate a need for continuous temperature monitoring in vaccine storage refrigerators. We evaluated the … stability over extended, continuous use; proper setup in a vaccine storage refrigerator so that measurements … over 0 °C to 10 °C. We also monitored logger performance in a study designed to replicate the range of vaccine storage …

Organosilicate Polymer E-Beam Resists with High Resolution, Sensitivity and Stability

February 28, 2013
Author(s)
Christopher Soles, Richard Kasica, Hae-Jeong Lee, Jae H. Sim, Sung-Il Lee, Ki-Bum Kim, Hyun-Mi Kim, Do Y. Yoon
… improved to have HSQ resists adopted for volume manufacturing. Here we develop novel organosilicate e-beam … excellent e-beam sensitivity with ca. a six-fold reduction in the critical dose as compared with HSQ but poor LER … (TEOS), which exhibit significant improvement in sensitivity as compared with previously reported …

Workshop Report: Building the Materials Innovation Infrastructure: Data and Standards A Materials Genome Initiative Workshop

November 23, 2012
Author(s)
James A. Warren, Ronald F. Boisvert
… Innovation Infrastructure (MII) will leverage advances in materials modeling, computing, and communications to accelerate advanced materials discovery and deployment in the United States across many fields. More widespread … enhance U.S. global competitiveness. Major advances in theory and modeling have led to a remarkable opportunity …

SEM imaging of ultra-high aspect ratio hole features

March 29, 2012
Author(s)
John S. Villarrubia, Aron Cepler, Benjamin D. Bunday, Bradley Thiel
… In-line, non-destructive process control metrology of high … ratio (HAR) holes and trenches has long been a known gap in metrology. Imaging the bottoms of at-node size beyond 10:1 AR contact holes in oxide has not yet been demonstrated. Nevertheless, holes …
Displaying 9276 - 9300 of 13224
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