1, increase the number of detectors: Compared with single-layer spiral ct, the main improvement in hardware is to increase the number of detector arrays and data acquisition channels, so that the ct scanning gantry can obtain four-layer images at the same time with one rotation, and the scanning coverage is correspondingly increased.
2. Using slip ring technology: The structure of single-layer spiral ct equipment mainly adopts slip ring technology, which saves the cable connecting the ct tube and the frame, and the tube detector system can rotate continuously, which changes the feeding and data transmission mode of non-spiral ct in the past, and makes ct scan get rid of the mode of layer-by-layer scanning, thus improving the speed of CT scanning and inspection.