Development of a X-Ray tube based on the Field Emi.. (NANORAY)
Development of a X-Ray tube based on the Field Emission properties of Carbon Nanotubes
Start date: 01 Nov 2008,
End date: 31 Jan 2011
"NANORAY aims to realize an innovative device capable to generate X-rays by means of a novel concept of cold cathode, based on carbon nanotubes selectively grown upon ad-hoc synthesized nanostructures (such as vertically oriented nanotubes on metallic tips, selected deposition of CNTs on predetermined areas, array of oriented bundles, etc..) Its performances can be wrapped up by mentioning some of the most relevant features:1)A reduced focal spot (down to 0.1 mm, well below the actual state of art for commercial X-Ray tubes;2)A very low power consumption (due to the use of a field-emission based cathode);3)A pulsed x-ray radiation with programmable width and repetition4)A long life-time.Moreover, the system will be portable, with an overall weight of less than 5 kg (including power supply), allowing the use of X-rays in places like ambulances or in field security surveys. In addition to portability and easiness to use, the system will provide higher image resolution with respect to the state of the art of X-rays devices thanks to the smaller focal spot, and it will represent a cost effective solution for everyone is facing the economic issues related to the maintenance of thermionic cathodes."
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