| 摘要 |
<p>A PET device is provided with a ring-shaped gantry, a cradle, and a computer for operation, and the gantry has therein a plurality of detectors disposed around a living body. A detector is configured through the combination of scintillators and a photodetector. Between the photodetector (D1) and the scintillators (SC), there are first reflectors (RF1) surrounding light-sensitive areas, and between light transmission areas of the scintillators, there are second reflectors (RF2).</p> |
