X-ray grid installed on image intensifier

What is the X-ray grid installed on the image intensifier? Regarding the installation position of the X-ray grid, I believe most people know that it is installed on the X-ray machine tool or the film frame. In fact, Another part is installed on the image intensifier. Most people may not understand the internal structure of the image intensifier. So where is the X-ray grid on the image intensifier installed? Usually the X-ray grid is installed at the input end of the image intensifier. It is only distinguished from the appearance. The big end is the input end, and the small end is the output end. Usually X-rays are irradiated to the input end of the image intensifier, and after a series of photoelectric reactions, the image is captured by a camera connected to the output end of the image intensifier.
The size of the X-ray grid is determined by the diameter of the input end of the image intensifier, that is to say, a 9-inch image intensifier is equipped with a 9-inch X-ray grid, and a 6-inch image intensifier is equipped with a 6-inch X-ray grid. Ray grid, inferred in turn… For focal length, it is generally 1 meter or 1.3 meters. The grid ratio is 8:1, 10:1 and 12:1, and the grid density is 40L/CM or 60L respectively. /CM, these parameters can be customized according to different customer needs. However, X-ray grids are imported accessories and generally need to be ordered in advance. The appearance of a common 9-inch X-ray grid is shown in the figure below:

Author：Lillian