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22 May 2007 Assembling x-ray sources by carbon nanotubes
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Proceedings Volume 6591, Nanotechnology III; 65910M (2007)
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain
By the use of a chemical vapour deposition technique a series of metal wires (W, Ta, Steel ) with differently shaped tips have been coated by arrays of single wall carbon nanotubes (SWNT). The field emission properties of the SWNT deposits have been measured by a home made apparatus working in medium vacuum (10-6- 10-7 mbar) and the SWNT-coated wires have been used to fabricate tiny electron sources for X-ray tubes. To check the efficiency of the nanotube coated wires for X-ray generation has, a prototype X-ray tube has been designed and fabricated. The X-ray tube works at pressures about 10-6 mbar. The target ( Al film) is disposed on a hole in the stainless steel sheath: this configuration makes unnecessary the usual Be window and moreover allows us to use low accelerating potentials (< 6 kV).
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
V. Sessa, M. Lucci, F. Toschi, S. Orlanducci, E. Tamburri, M. L. Terranova, A. Ciorba, M. Rossi, D. Hampai, and G. Cappuccio "Assembling x-ray sources by carbon nanotubes", Proc. SPIE 6591, Nanotechnology III, 65910M (22 May 2007);

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