FIELD: physics.
SUBSTANCE: cellular radiation detector assembly (1000), wherein the assembly includes an array (N×M) of detector cells (304, 304'); a scintillator layer (910); a common substrate layer (604); where the array of detector cells (304, 304') is situated between the scintillator layer and the substrate layer; where each detector cell (304, 304') has a front side which faces the scintillator layer and a rear side which faces the substrate layer; and where the relative height difference between adjacent edges (505, 505') of the front sides of adjacent detector cells (304, 304') is less than 2 mcm, and preferably less than 1 mcm.
EFFECT: preventing image artefacts.
15 cl, 22 dwg
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