What is the concept and principle of the grid?

There are a lot of customers who consult the x ray grid, what is the grid used for? Simply put, the grid is filtering out the scattered scattered lines. The following is specifically for everyone to explain:
concept:

(1) The application of high-purity lead in the grid provides high efficiency in anti-scattering.
(2) The precise combination of aluminum and aluminum strips enables high quality images.
(3) The smooth aluminum cover encloses the lead grid and is enameled, so that the grid is protected from heat and dust, and it is spared for maintenance for many years.
 Scope of application: film holder, film bed, stomach bed, etc.
  When customers consult the grid, the first thing to ask is the size, grid ratio, grid density and focal length requirements. Commonly used grids: size 15*18, grid ratio 10:1, grid density 103L/IN. Generally speaking, the focal length of the grid used on the chest frame is 1.8 meters, and the focal length of the film bed and the gastrointestinal bed is about 1.5 meters. So when recommending the grid to the customer, these parameters should be implemented clearly. Need special point, the grid used on the DR is specially customized according to the parameters of the DR flat panel detector.

Author：Alina