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Atomic Force Microscope Could Draw Tiny Circuits

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Scientists at Northwestern University in Evanston, Ill., have found a new application for atomic force microscopes: fabricating nanoelectronic circuitry. Researchers at the university discovered that the lab tool could transfer molecules with extremely high precision onto a substrate on a scale 1000 times smaller than microcircuits. An atomic force microscope operates by using a silicon nitride stylus to trace the contour of a surface. Circuitry in the tip allows it to follow the topography of a surface and to render a three-dimensional image in atomic detail. But when this occurs, the tip...Read full article

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    Published: March 1999
    Basic ScienceMicroscopyResearch & TechnologyTech Pulse

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