The principle of using the gridThe principle of using the grid

Everyone is curious about the use principles of wire 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