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Displaying 1976 - 2000 of 4226

Lithography, Metrology and Nanomanufacturing

April 12, 2011
Author(s)
James A. Liddle, Gregg M. Gallatin
Semiconductor chip manufacturing is by far the predominant nanomanufacturing technology in the world today. Top-down lithography techniques are used for fabrication of logic and memory chips since, in order to function, these chips must essentially be

An Engineer Grapples with Sustainable Manufacturing

April 1, 2011
Author(s)
Vijay Srinivasan
A personal view by the author of how, as a research engineer and manager, first in the private sector and now in government service, he witnessed the emergence of a compelling case for sustainable manufacturing and also gained several important insights

Dimensional Metrology of Bipolar Fuel Cell Plates Using Laser Spot Triangulation Probes

March 22, 2011
Author(s)
Balasubramanian Muralikrishnan, Wei Ren, Dennis S. Everett, Eric S. Stanfield, Theodore D. Doiron
As in any engineering component, manufacturing a bipolar fuel cell plate for a polymer electrolyte membrane (PEM) hydrogen fuel cell power stack to within its stated design tolerances is critical in achieving the intended function. In a bipolar fuel cell

Measurement Traceability and Quality Assurance in a Nanomanufacturing Environment

March 8, 2011
Author(s)
Ndubuisi G. Orji, Ronald G. Dixson, Aaron Cordes, Benjamin Bunday, John Allgair
A key requirement for nano-manufacturing is maintaining acceptable traceability of measurements performed to determine size. Given that properties and functionality at the nanoscale are governed by absolute size, maintaining the traceability of dimensional

Merging Machining and Measurement for Cognitive Manufacturing

March 8, 2011
Author(s)
Fiona Zhao, Frederick M. Proctor, John A. Horst, Xun W. Xu
Machining process planning and measurement process planning have long received research attention from industry and academia. Machining and measurement process automation is well established for mass production in today's manufacturing systems. However

A Component-based Approach for Manufacturing Simulation

March 2, 2011
Author(s)
Frank H. Riddick, Yung-Tsun T. Lee, Deogratias Kibira, Stephen B. Balakirsky
Manufacturing systems can be very complex and are often costly to develop and operate. Simulation technology has been shown to be an effective tool for optimizing manufacturing system design, operations, and maintenance procedures. However, each

Advanced Sensing Towards Improved Forklift Safety

February 4, 2011
Author(s)
Roger V. Bostelman, William P. Shackleford
The National Institute of Standards and Technology's Intelligent Systems Division has been researching advanced three-dimensional (3D) imaging sensors and their use in manufacturing towards improving forklift safety. Experiments are presented in this paper

Mixed Pallet Stacking: An Overview and Summary of the 2010 PerMIS Special Session

February 4, 2011
Author(s)
Stephen B. Balakirsky, Henrik I. Christensen, Thomas R. Kramer, Pushkar Kolhe, Frederick M. Proctor
Stacking boxes of various sizes and contents on pallets (i.e. making mixed pallets) is a primary method of preparing goods for shipment from a warehouse to a store or other distant site. A special session of the 2010 PERMIS workshop was held to examine
Displaying 1976 - 2000 of 4226
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