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Displaying 13576 - 13600 of 17285

STEP File Analyzer and Viewer User Guide (Update 5)

June 28, 2018
Author(s)
Robert R. Lipman
This guide describes how to use the STEP File Analyzer and Viewer, a software tool that analyzes and generates a spreadsheet or a set of CSV (comma-separated value) files from a STEP (STandard for the Exchange of Product model data) file. The spreadsheets

Research directions for an open unit manufacturing process repository: A collaborative vision

December 20, 2017
Author(s)
William Z. Bernstein, Arun Bala Subramaniyan, Alexander Brodsky, Ian C. Garretson, Karl Haapala, Donald E. Libes, Katherine C. Morris, Rong Pan, Vittaldas Prabhu, Arkopaul Sarkar, Arvind Shankar Raman, Zhenhua Wu
The design of manufacturing systems can see dramatic improvements through the use of digital technologies for modeling and simulation prior to deployment. At the 2017 ASME International Manufacturing Science and Engineering Conference held jointly with the

Laser Trackers for Large Scale Dimensional Metrology: A Review

March 25, 2016
Author(s)
Balasubramanian Muralikrishnan, Steven D. Phillips, Daniel S. Sawyer
Thirty years since their invention, laser trackers are now recognized as the measurement tool of choice in the manufacture and assembly of large components. While their general design, i.e., a ranging unit on a two-axis gimbal, has not changed

Cosolvency and cononsolvency explained in terms of a Flory-Huggins type theory

October 7, 2015
Author(s)
Jack F. Douglas, Jacek Dudowicz, Freed Karl
Standard classic Flory-Huggins (FH) theory is employed to describe the enigmatic cosolvency and co-nonsolvency phenomena for systems of polymers dissolved in mixed solvents. In particular, phase boundaries (spinodals) are calculated for solutions of

Micromechanical Testing of Electroplated Gold Alloy Films using Theta-Like Specimens

July 2, 2015
Author(s)
Mark McLean, William A. Osborn, Oliver Boomhower, Christopher Keimel, Rebecca Kirkpatrick, Frank W. DelRio
Micromechanical testing of electroplated gold alloy films has been conducted using the theta specimen geometry. Specimens were formed by a standard combination of photolithography, electroplating, and deep reactive ion etching. Testing was performed using

Configurable Robotic Millimeter-Wave Antenna Facility

April 13, 2015
Author(s)
Jeffrey R. Guerrieri, Joshua A. Gordon, David R. Novotny, Michael H. Francis, Ronald C. Wittmann, Miranda L. Butler
… by the Antenna Metrology Lab at the National Institute of Standards and Technology (NIST). NIST set out to develop an …

NIST 1-kilonewton sine force calibration system

January 22, 2014
Author(s)
Akobuije D. Chijioke, Ricky L. Seifarth, Zeina J. Kubarych
… systems for force transducers. The National Institute of Standards and Technology (NIST), U.S.A., is developing a …

Absolute spectral responsivity measurements of solar cells by a hybrid optical technique

July 15, 2013
Author(s)
Behrang H. Hamadani, John F. Roller, Brian P. Dougherty, Fiona Persaud, Howard W. Yoon
An irradiance mode, absolute differential spectral response measurement system for solar cells is presented. The system is based on combining the monochromator-based approach of determining the power mode spectral responsivity of cells with an LED-based
Displaying 13576 - 13600 of 17285
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