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First Carbon Nanotube Computer Integrated With CMOS

9/30/2013 10:23 AM EDT
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Ron Neale
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Vaporizing carbon
Ron Neale   9/30/2013 12:39:54 PM
Carbon melts at approx 3600 C and vaporizes (boils) at 4200 C. They state "..vaporize them -- like a fuse -- thus cleansing the circuitry of all but the remaining semiconducting nanotubes..." It is to be hoped that this operation is carried out in an oxygen rich atmosphere as this will allow lower temperatures with the by- products carbon monoxide or dioxide and avoid, as might be the case with fusing, a field of carbon debris spreading over the rest of the wafer.  Is this step carried out a wafer probe test time?

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