Method and apparatus for material identification using...

Radiant energy – Invisible radiant energy responsive electric signalling – With means to inspect passive solid objects

Reexamination Certificate

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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.

REFERENCES:
patent: 5067616 (1991-11-01), Plester et al.
patent: 5115459 (1992-05-01), Bertozzi
patent: 5164953 (1992-11-01), Case et al.
patent: 5323004 (1994-06-01), Ettinger et al.
patent: 5420905 (1995-05-01), Bertozzi
patent: 6281502 (2001-08-01), Pineau et al.

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