Table 1 Design and performance specifications for PET and MR subsystems
From: Design and system evaluation of a dual-panel portable PET (DP-PET)
DP-PET | MRI | ||
|---|---|---|---|
x direction FOV | 100 mm | Field strength | 3 Tesla |
y direction FOV | 160 mm | Bore size | 60 cm |
z direction FOV | 160 mm | B0 field homogeneity | 1.16 ppm @50 cm DSV |
Photodetector | SiPM | B0 field stability | < 0.1 ppm/h |
Scintillator | LYSO | High order shimming | 2nd order |
Crystal size | 15.5 × 2.76 × 2.76 mm3 | Max gradient | 45 mT/m |
Number of crystal channels | 3920 | Max gradient slew rate | 200 T/m/s |
Coincidence timing window | 4 ns | Number of total and independent RF channel | 96/48 |