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No. | Item | Specification | |
1 | Magnet System | ||
1.1 | Magnet Type | Permanent magnet with automatic constant temperature system | |
1.2 | Field strength | 0.42T | |
1.3 | Magnet shape | C-shape | |
1.4 | Homogeneity (40cm, DSV, VRMS) | 2ppm | |
1.5 | Shim method | Active/Passive/Dynamic | |
1.6 | Magnet vertical gap | 40cm | |
1.7 | Accessibility (Horizontal opening angle) | 250° | |
1.8 | 5 Gauss fringe field | 2.5m*2.5m*2.5m | |
2 | Gradient System | ||
2.1 | Gradient field strength (Single Axis) | 31mT/m | |
2.2 | Gradient slew rate (Single Axis) | 107mT/m/ms | |
2.3 | Rise time | 0.29ms | |
2.4 | Gradient cooling system(Gradient coils and power electronics) | Air | |
3 | RF System | ||
3.1 | Spectrometer | Fully digital | |
3.2 | RF system type | Digital Transmit and Receive | |
3.3 | Number of RF channel | 4 | |
3.4 | Transmitter amplifier peak power | 6kW | |
3.5 | RF bandwidth of receiver | Each 400KHz | |
3.6 | Dynamic range | 80dB | |
3.7 | Noise factor | 0.3dB | |
3.8 | Coil type | phase array | |
3.9 | Head coil | Yes | |
3.10 | Neck coil | Yes | |
3.11 | Body coil (small) | Yes | |
3.12 | Body coil (large) | Yes | |
3.13 | Knee coil | Yes | |
3.14 | Ankle coil | Yes | |
3.15 | Shoulder coil | Optional | |
3.16 | Soft coil | Optional | |
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