
Tungsten alloy pinhole collimator is widely used in gamma camera for medical diagnosis. Wherein, tungsten alloy is a new type of environmentally friendly radiation shielding material that has better shielding capacity than poisonous lead to protect doctors and patients from radiation pollution. More details, please visit: http://www.tungsten-alloy.com/tungsten-alloy-radiation-shielding.html It has been reported that the conventional knife-edge collimator is not suitable for nuclear imaging system because many scattering radiations near the pinhole aperture happen and blur image. So, the researchers introduced a…