公开(公告)号：US06320303B1

公开(公告)日：2001-11-20

申请号：US09196140

申请日：1998-11-20

申请人： Takashi Noji ,  Mitsumasa Hiroi ,  Junji Taniguchi ,  Yoshinobu Sekijima

发明人： Takashi Noji ,  Mitsumasa Hiroi ,  Junji Taniguchi ,  Yoshinobu Sekijima

IPC分类号： H01J3100

CPC分类号： H01J31/501 ,  H01J29/385 ,  H01J29/863

摘要： The object of the present invention is to provide a radioactive-ray image tube having less deformations, such as the twist of an input substrate, less aberration over the entire regions of an output image, excellent resolution and good brightness uniformity and contrast characteristics. This radioactive-ray image tube 1a comprises an input window 10 formed on one side surface of a vacuum vessel 2a and allowing radioactive-rays to enter the vacuum vessel 2a, an input screen 5 for converting the radioactive-rays incident on the input window 10 into a fluorescent image or a photoelectric image, and an input substrate 4a holding the input screen 5, is characterized in that the input substrate 4a comprises of a clad material 13 having an aluminum alloy material 11 on the radioactive-ray incidence side and a pure aluminum material 12 on the input screen 5 side provided integrally with each other.

摘要翻译： 本发明的目的是提供一种具有较少变形的放射线图像管，例如输入基板的扭曲，输出图像的整个区域的像差小，分辨率优异，亮度均匀性和对比度特性良好。 该放射线图像管1a包括形成在真空容器2a的一个侧表面上并允许放射线进入真空容器2a的输入窗口10，用于转换入射在输入窗口10上的放射线的输入屏幕5 进入荧光图像或光电图像，以及保持输入屏幕5的输入基板4a的特征在于，输入基板4a包括在放射线入射侧具有铝合金材料11的包覆材料13和纯的 输入屏幕5侧的铝材12彼此一体地设置。