Table 1 Comparison of device features
Discovery 600 | Discovery 710 | |
|---|---|---|
Transaxial FOV (mm) | 700 | 700 |
Axial FOV (mm) | 157 | 157 |
No. of ring | 24 | 24 |
No. of individual crystals | 12,288 | 13,824 |
No. of crystals/ring | 512 | 576 |
No. of image planes | 47 | 47 |
Crystal size (mm) | 4.7 × 6.3 × 30 | 4.2 × 6.3 × 25 |
Crystal array per block | 8 × 6 | 9 × 6 |
Scintillator material | BGO | LYSO |
Coincidence window (nsec) | 9.5 | 4.9 |