摘要 |
According to one embodiment, a slit mechanism apparatus includes, two slit plates configured to adjust a thickness of X-rays, two slit link bars which are pivotally supported on two ends of each of the two slit plates to interlock the two slit plates, two shafts on which the two slit link bars are respectively mounted to rotate the two slit link bars, two shutter plates configured to block/pass the X-rays, and two shutter link bars which are pivotally supported on two ends of each of the two shutter plates to interlock the two shutter plates and are mounted on the two shafts together with the two slit link bars. |