Radiation collimator

Details Radiation collimator Radiation collimator

2008-07-29

2010-10-26

Yun, Jurie (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

Reexamination Certificate

active

07822181

ABSTRACT:
A radiation collimator for use in either radiation-emitting devices (e.g., radiation therapy) or radiation-sensing imagery devices (i.e., gamma/X-ray cameras) is disclosed. The collimator's interior surface is basically a cylinder or a truncated cone, whereas its exterior shape is generated by the revolution of the graph of a function about the cylinder's symmetry axis, that function being determined such that the attenuation in the center of the sensor is constant as seen from any direction. The collimator is a body of revolution. The said collimator improves collimation and image resolution when compared to cylindrical, pinhole, laminar, or to other art collimators.

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