SCANNING DEVICE USING RADIATION BEAM FOR BACKSCATTERING IMAGING AND METHOD THEREOF Russian patent published in 2014 - IPC G01N23/203 

FIELD: physics.

SUBSTANCE: scanning device includes a radiation source; a stationary shield plate and a rotary shield body positioned respectively between the radiation source and the subject to be scanned, wherein the stationary shield plate is fixed relative to the radiation source, and the rotary shield body rotates relative to the stationary shield plate. The beam passing area permitting beams from the radiation source to pass through the stationary shield plate is provided on the stationary shield plate, and a beam incidence area and a beam exit area are respectively provided on the rotary shield body. During the process of rotating and scanning of the rotary shield body, the beam passing area of the stationary shield plate intersects consecutively with the beam incidence area and the beam exit area of the rotary shield body to form scanning collimation holes. Further, a scanning method using a radiation beam for backscatter imaging is also provided.

EFFECT: enabling use of a novel mechanism for forming a flying spot to achieve improved flying spot scanning in backscattering mode.

12 cl, 3 dwg