IBM carbon nanotubes tested in commercial fab setting

IBM researcher Hongsik Park looks over wafer with carbon nanotubes. A substrate is comprised of two oxides with trenches made of hafnium oxide (HfO2) and the rest of silicon oxide (SiO2). The substrate gets immersed in the carbon nanotube solution and the nanotubes attach via a chemical bond to the HfO2 regions while the rest of the surface remains clean. (Photo credit: IBM)

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Taken on October 24, 2012