Patent ID: 7138638

Claim:
A radiation detector comprising: a continuous body of scintillation material, the body having a light-emitting face, a radiation receiving face, and a perimeter extending between the light-emitting face and the radiation receiving face, the perimeter including an edge, the edge having an edge thickness; the body of scintillation material emitting scintillation light from the light emitting face in response to radiation incident on the radiation receiving face; the body of scintillation material having a peripheral region proximate to the edge; the body or scintillation material including at least one light guide formed within the peripheral region; the light guide operable to redirect a portion of scintillation light before the portion of scintillation light emerges from the light emitting face; and the body of scintillation material further having a nonperipheral region in which no light guides are formed.