(under subclass 390.01) Subject matter in combination with means to modify, contain or eliminate at least some of the neutrons incident upon the responsive means.
(1) Note. See subclass 505.1 of this Class 250, (3) Note, for types of beam control.
SEE OR SEARCH THIS CLASS, SUBCLASS:
505.1, for radiation controlling means in general.
SEE OR SEARCH CLASS
378, X-Ray or Gamma Ray Systems or Devices,
84, for X-ray monochromators, subclasses 147+ for collimators, subclass 160 for X-ray shutters and choppers.
