Patent ID: 7330534
Filing Date: 2008-02-12
Classification: G21K

Abstract:
1. A ray beam guiding apparatus, comprising: a ray beam guiding box which has substantially fan-shaped top and bottom surfaces, defines an inner space, and has open wide and narrow ends; an engaging member joined to the narrow end of the ray beam guiding box; a first collimator mounted to the ray beam guiding box adjacent to the narrow end and for adjusting a profile of the ray beam in a first direction and a second direction perpendicular to the first direction; a second collimator having a calibration slit or grill and mounted to the ray beam guiding box adjacent to the wide end; an adjusting member connecting the engaging member and a ray generator for emitting rays and for adjusting a distance between the ray generator and the ray beam guiding box; wherein the ray beam guiding box comprises: