US PATENT SUBCLASS 250 / 269.4
.~.~.~ Having neutron source and neutron 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}
269.4.~.~.~ Having neutron source and neutron detector {1}
269.5  DF  .~.~.~.~> Having thermal neutron detector

DEFINITION

Classification: 250/269.4

Having neutron source and neutron 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 neutron radiation detector, and includes methods corresponding to the apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

390.04, for composition analysis with neutron responsive means.

SEE OR SEARCH CLASS

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

160+, for subterranean neutron activation analysis.