Specifications and Characteristics of fxPET Scanner
| System description | Description value |
| Crystal material | LGSO (Lu1.8Gd0.2SiO5:Ce) |
| Crystal size (mm3) | 2.9 × 2.9 × 20 |
| Crystal block | Four layers of 16 × 16 arrays (256 crystal elements) |
| No. of detector block modules | 108 (18 modules × 3 rings × 2 heads) |
| No. of crystals | 27,648 |
| Detector ring diameter (mm) | 778 |
| Axial FOV (mm) | 150 |
| Transaxial FOV (mm) | 720 |
| Energy resolution (%) | 12.8 |
| Temporal resolution of TOF (ps) | 500 |
| Spatial resolution (mm) | <2.5 |
FOV = field of view; LGSO = lutetium oxyorthosilicate.