Patent ID: 9031192
Filing Date: 2015-05-12
Classification: G01N,G21K

Abstract:
1. An X-ray emission device, comprising: a cylinder; a multi-beam X-ray source disposed in the cylinder, the multi-beam X-ray source comprising a plurality of focal spots which are arranged at a plurality of positions in an axial direction of the cylinder and each of which is configured to emit an X-ray; and a collimator disposed in the cylinder, the collimator enabling the X-rays emitted by the plurality of focal spots to form sectorial ray beams at the plurality of positions in the axial direction of the cylinder, wherein the cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions, and wherein the sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.