The principle of using the grid

Everyone is curious about the use principles of x ray grids. The following editor will talk about the use principles of wire grids.
First of all, I will popularize the knowledge of the grid: the grid is a kind of filter used to filter out the influence of scattered rays on the film, which should be placed between the human body and the film. Next, I will tell you the principle of its use: when using a clustered grid, the grid cannot be placed backwards; the center line of the X-line should be aligned with the center line of the grid, and the deviation from left to right should not exceed 3CM; tilt X When the wire tube is used, the inclined direction can only be parallel to the direction of the arrangement of the lead bars; when using a focusing grid, the distance from the focus to the grid should be within the allowable range; when using a grid with speed regulation, To adjust the movement speed suitable for the exposure time, the general movement time should be longer than one-fifth of the exposure time; if the body thickness exceeds 15cm, and the KV exceeds 60KV, a wire grid should be used.
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Author：X Ray Grids Maker