From: Concept development of an on-chip PET system
Surfaces
3 mm SiPM
4 mm SiPM
6 mm SiPM
Back
16 * 32 = 512
12 * 24 = 288
8 * 16 = 128
Left/right
8 * 32 = 256
6 * 24 = 144
4 * 16 = 64
Top/bottom
6 * 12 = 72
4 * 8 = 32
All five
1280
720
320