Type | Parameter | Specification |
Detector | Scintillator | Bismuth germanate |
Crystal dimension | 2.32 × 2.32 × 9.4 mm | |
No. of crystals | 8 × 8 = 64 | |
Scanner | No. of blocks | 180 |
No. of detector rings | 48 | |
Crystals per ring | 240 | |
Total no. of crystals | 11,520 | |
Photomultipliers | 210 (19-mm diameter) | |
Transaxial FOV | 100 mm | |
Detector ring inner diameter | 165 mm | |
AFOV | 116 mm | |
Timing window | 12 ns | |
Data organization | No. of 2D sinograms | 95 |
No. of 3D sinograms | 2,304 | |
Sinogram size | 255 × 120 | |
Sampling distance | 0.4 mm |