CPC G21G 4/08 (2013.01) [G21G 1/001 (2013.01); G21G 1/02 (2013.01); G21G 4/06 (2013.01); B29C 39/003 (2013.01); B29K 2063/00 (2013.01); B29K 2505/08 (2013.01); G21G 1/06 (2013.01); G21G 2001/0094 (2013.01)] | 3 Claims |
1. A radiation source suitable for diagnostic imaging applications, comprising:
an insoluble radioactive substance uniformly dispersed and suspended in a cured radio-opaque matrix material,
wherein the radioactive substance has a higher density than the matrix material, and the radioactive substance comprises osmium or tungsten particles having an average size in the range of 500 nm to 20 μm,
wherein the radiation source is in the form of a rod cut from a longer rod that has the radioactive substance uniformly dispersed and suspended in the cured radio-opaque matrix material,
wherein the radioactive substance dispersion is uniform longitudinally along the entire length of the cut rod,
wherein the cut rod is less than 10 cm in length.
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