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Keithley Plays Key Role in New IEEE Test Standards for Carbon Nanotubes

Cleveland, Ohio, March 2006 * * * Keithley Instruments, Inc. (NYSE:KEI), a leader in solutions for emerging measurement needs, announces that its Model 4200 Semiconductor Characterization System conforms to and supports the just-released IEEE (Institute of Electrical and Electronic Engineers, Inc.) standard for electrical testing of carbon nanotubes.