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52. 发明申请

US20070122543A1 Particle-in-binder X-ray sensitive coating using polyimide binder 有权
标题翻译：使用聚酰亚胺粘合剂的粒子粘合剂X射线敏感涂层
公开(公告)号：US20070122543A1
公开(公告)日：2007-05-31
申请号：US11288554
申请日：2005-11-29
申请人： Brian Yanoff , Zhaoping Wu , Kun Tao , Yunfeng Sun , Jun Xiao , Liping Zheng , Wenqing Peng , Jing Li
发明人： Brian Yanoff , Zhaoping Wu , Kun Tao , Yunfeng Sun , Jun Xiao , Liping Zheng , Wenqing Peng , Jing Li
IPC分类号： B05D5/12 , H01B1/12
CPC分类号： G01T1/24
摘要： An X-ray sensitive coating (22) for a flat panel direct conversion X-ray detector for medical or industrial imaging. A composite particle-in-binder (PIB) material (22) may contain X-ray photoconductive particles (23) such as PbO (lead monoxide) in a binder of polyimide (23). This PIB material may be prepared in precursor paste form, and applied as a coating (22) onto a thin film transistor array (26) having a storage capacitor (31) at each pixel (30). The coating (22) is cured, and an electrically conducting layer (34) is applied to the exposed surface of the coating (22), to provide a bias voltage. X-ray photons striking the photoconductive particles (23) cause localized electrical conduction proportional to the number of photons. This charges respective capacitors (31) that provide image data input to a computer.
摘要翻译：用于医疗或工业成像的平板直接转换X射线检测器的X射线敏感涂层（22）。复合粒子 - 粘合剂（PIB）材料（22）可以在聚酰亚胺（23）的粘合剂中含有X射线光电导颗粒（例如PbO（一氧化铅））。该PIB材料可以以前体浆料形式制备，并作为涂层（22）施加到在每个像素（30）处具有存储电容器（31）的薄膜晶体管阵列（26）上。固化涂层（22），并且将导电层（34）施加到涂层（22）的暴露表面，以提供偏置电压。撞击光导电颗粒（23）的X射线光子引起与光子数成比例的局部电传导。这样，向计算机提供输入图像数据的各个电容器（31）。

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