An important part of the X-ray Collimator is the reflector. Whether the installation position is correct or not will directly affect the accuracy of the simulated illumination field.
Reflector is a very thin lens, generally made of plastic, the surface belongs to vacuum coating, play the role of mirror. The surface of the reflector must be flat, the reflectivity should be 80%-90%, and the X-ray absorptivity should be less than 0.5-1 MMLV equivalent.
Tips: for reflectors, you must not touch them with your hands, and leave no fingerprints on them.
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