The difference between filter plate and grid
You may have heard of filter plates and wire grids. They are used in X-ray films to shield or filter scattered rays and reduce radiation damage to the human body. So what is the difference between them? Let’s take a look at it together. .
Filter plate: can selectively absorb the low-energy photons in the original emission line in large quantities. Combined with the properties of X-rays, the filter plate is to filter out the low-energy photons in the original emission line, leaving high-energy photons.
Filter grid: used to filter out the scattered rays produced by the human body during photography. Similar to the previous filter plate, except that it is not uniformly filtered, and it is not the filtering of the original emission line, but the filtering of the rays after passing through the human body.
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