Scanner Development Early scanner -1972 4 minutes for 180 rotation 8 or 13 mm slices time for scan >30 mins 2 slices simultaneously UKRC: 22d May 2001
Scanner Development 301,1A Early scanner 1972 early images taken away overnight for processing 80 x 80 matrix UKRC: 22d May 2001
Then and now c) d) Kalender, Computed Tomography
Ⅹ射线成像简介
X射线成像简介
■电磁波谱与X射线谱 GAMMA X-RAYS NF辆A- MICRO RA RED WAVES TV RADIO 10nm I tt 4 ft ULT RAVIOLET VISIBLE SPECTRUM INFRARED 300 400 500 60 700 1000 1500 WAVELENGTH (Nanome ters] FIGURE 6.2 Wavelengths comprising the visible range of the electromagnetic spectrum Courtesy of the General Electric Co. Lamp Business Division
◼ 电磁波谱与X射线谱