US PATENT SUBCLASS 250 / 269.6
.~.~.~ Having neutron source and gamma detector

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

253  DF  GEOLOGICAL TESTING OR IRRADIATION {3}
256  DF  .~ Well testing apparatus and methods {9}
269.1  DF  .~.~ With source and detector {4}
269.6.~.~.~ Having neutron source and gamma detector {2}
269.7  DF  .~.~.~.~> With plural gamma detectors
269.8  DF  .~.~.~.~> With detection in plural consecutive time intervals

DEFINITION

Classification: 250/269.6

Having neutron source and gamma detector:

(under subclass 269.1) Subject matter wherein the means to expose the material to radiation includes a neutron radiation source, and the means to detect radiation modified or caused by the material includes a gamma ray detector, and includes methods corresponding to the apparatus.

SEE OR SEARCH CLASS

376, Induced Nuclear Reactions: Processes, Systems, and Elements,

160+, for subterranean neutron activation analysis.