| 摘要 |
<p>An irradiating device intended for imaging device, containing irradiation sources, wherein a carrier holds the irradiation sources being divided into at least two sub-groups, whereas the first sub-group has n irradiation sources and the second sub-group has n2 irradiation sources, and where the centroid of the effective radiating area of the irradiation sources of each sub-group is on the plane of a toroidal circular ring shape.</p> |
