Focused or parallel x ray grids can be made of linear or cross x ray grids. All lead lengths of linear x ray grids are in the same direction. Cross filter grating is usually two linear x ray grids, one on the top of the other, the top of the x ray grids leads and the bottom of the x ray grids leads cross.
Generally, the cross-x ray grids will eliminate more scattering radiation than the linear x ray grids. The ratio of the linear x ray grids is equal to the combination ratio of its two parts, for example, the cross-x ray grids, where each part has a ratio of 5:1, will eliminate more scattering radiation than a. The ratio of linear x ray grids is 10:1. Under the voltage below 100 KVP, this advantage is more obvious.
Author：X Ray Grids Maker
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