Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas W. Akers0
Date of Patent
June 12, 2007
0Patent Application Number
099325310
Date Filed
August 17, 2001
0Patent Primary Examiner
Patent abstract
Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The photons from the photon source result in the creation of positrons within the specimen being tested. A detector positioned adjacent the specimen being tested detects gamma rays produced by annihilation of positrons with electrons. A data processing system operatively associated with the detector produces output data indicative of a lattice characteristic of the specimen being tested.
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