Radiant energy – Invisible radiant energy responsive electric signalling – With means to inspect passive solid objects
Reexamination Certificate
2006-03-21
2006-03-21
Wells, Nikita (Department: 2881)
Radiant energy
Invisible radiant energy responsive electric signalling
With means to inspect passive solid objects
C250S251000, C250S336100, C250S397000
Reexamination Certificate
active
07015475
ABSTRACT:
A method and apparatus for low-background detection of simultaneously-emitted characteristic radiative emissions is presented. In some aspects, the characteristic radiative emissions, e.g. X-rays, are produced by deexcitation of exotic (excited) atoms in a sample to be identified. The characteristic X-rays can be used to identify the sample according to its unique identifying energy spectrum. In other aspects, a nuclear characteristic radiative emission is detected and used for the identification.
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The Trustees of Columbia University in the City of New York
Wilmer Cutler Pickering Hale and Dorr LLP
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