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What is the working principle of the grid?

First of all, we need to know what is the use of the grid. In simple terms, the grid is used to isolate scattered rays and make the image clearer, which is equivalent to sharpening the image.
So is there a need for a wire grid at all times? No, when irradiating relatively thin parts, you can still get a clearer image without a grid.
What does SID mean? What’s the difference with FD? FD is the distance between the tube and the grid bottom plate, and SID is the distance between the tube and the top surface of the FPD.
The working principle of the wire grid is to use the principle that lead materials can absorb rays, absorb the scattered rays, let the normal rays pass through, and form a clear image.

Author: X Ray Machine Accessories

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