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What are the materials of X-ray grid?

The X-ray grid is used to adjust or select the energy range of the incident X-ray, so as to control the contrast and resolution of the X-ray image. According to needs, the material of the grid can be selected from different materials. Here are some common materials:
Aluminum: Aluminum is a commonly used grid material with good X-ray absorption properties. It can effectively absorb lower-energy X-rays and filter out low-energy scattered radiation, thereby improving image contrast.
Copper: Copper is also one of the common materials. It can absorb medium-energy X-rays and has a better absorption effect on high-energy X-rays. Therefore, copper grids are often used to control the transmission of high-energy X-rays to avoid adverse effects on image quality.
Tungsten: Tungsten is a dense metal that absorbs high-energy X-rays. It has excellent radiation absorption properties and is often used to prepare high-energy X-ray grids.
Tin: Tin is a relatively low-density metal that is often used to make low-energy X-ray grids. It can effectively attenuate higher energy X-rays, thereby improving image contrast.
In addition to the above materials, there are some other materials, such as iron, barium, barium sulfate, etc., which have different radiation absorption characteristics, and can be selected and used in combination according to specific application requirements. The choice of various materials plays a key role in filtering radiation at non-target wavelengths, enhancing radiation at desired wavelengths, and adjusting radiation intensity.
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