AFM

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AFM

(Atomic Force Microscope) A device used to image materials at the atomic level. AFMs are used to solve processing and materials problems in electronics, telecom, biology and other high-tech industries. Invented by IBM in 1986, it uses a ceramic or semiconductor tip one atom wide positioned at the end of a cantilevered bar. As the tip is moved over the material, it either continously touches or periodically taps the surface and bends as it is repelled or attracted to the structure. A laser picks up the deflections.

In contrast to a scanning tunneling microscope (STM), which sends current to the surface being measured, AFMs can be used to image non-conductive materials. See probe storage, STM, microscopy and nanotechnology.
References in periodicals archive ?
A recent report by Barings Securities asserted that "the Amman Financial Market is one of the most developed and organised markets in the region.
Peter Cowan reports on the prospects for the Amman financial market, while Peter Feuilherade assesses the opportunities for commercial links with Israel in the aftermath of July's agreement between the two countries.
87% drop in trading levels from 1992 to 1993 on the Amman Financial Market is seen as a merely a temporary blip on the screen.