Coloured SEM of microcogs

Coloured SEM of microcogs

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This image is part of the feature Cogs

Credit: DAVID PARKER/SCIENCE PHOTO LIBRARY

Caption: Microcogs (image 2 of 3). Coloured scanning electron micrograph (SEM) of microcogs forming a microgear mechanism. This could be used in a micromachine, or MicroElectroMechanical System (MEMS). MEMS include microscopic sensors and robots (nanorobots). Microsensors are used to detect acceleration, pressure, flow rates and the presence of certain chemicals. The high-precision cogs are made of nickel to 150 microns in thick- ness. They were created by Professor Henry Guckel at the Wisconsin Center for Applied Microelectron- ics at the University of Wisconsin, USA. Magnific- ation: x130 at 6x7cm size. See images T395/082-84 for the microcogs at increasing magnification.

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Keywords: cog, cogs, gear, mechanical, mems, micro, microcog, microcogs, microgear, micromechanical, micromechanics, nano, nanotechnology, technology, wcam

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