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2. 发明申请

WO02061456A3 PHOTOCONDUCTIVE IMAGING PANEL WITH EXTERNALLY CONTROLLED CONDUCTIVITY 审中-公开
标题翻译：具有外部控制电导率的光电成像面板
公开(公告)号：WO02061456A3
公开(公告)日：2003-01-16
申请号：PCT/US0149959
申请日：2001-11-09
申请人： HOLOGIC INC , LEE DENNY L Y , DAVIS JAMES E
发明人： LEE DENNY L Y , DAVIS JAMES E
IPC分类号： H01L27/146 , H01L31/115 , G01T1/24
CPC分类号： H01L27/14676
摘要： A radiation detection panel has an integrated array of x-ray sensors, each of which includes a charge storage capacitor (14), a radiation sensitive layer (50) over the charge storage capacitor (14), and a control layer (52) over the radiation sensitive layer (50). The electrical conductivity of the control layer (52) can be changed reversibly in the field, after the panel is manufactured and without disassembly of the panel, to make the time constant of the layer t = (1/g)ke change between high and low values in the range of, e.g., 0.03 and 20 seconds, where g is the conductivity and k is the dielectric constant of the control layer, and e is the permittivity of free space. The conductivity, and thus the time constant of the control layer (52), are controllable via the application of electromagnetic energy, preferably infrared radiation. Preferably, the radiation sensitive layer (50) is a photoconductor and the control layer (52) is an organic photoconductor "OPC".
摘要翻译：辐射检测面板具有x射线传感器的集成阵列，每个X射线传感器包括电荷存储电容器（14），电荷存储电容器（14）上方的辐射敏感层（50），以及控制层辐射敏感层（50）。控制层（52）的导电性可以在现场可逆地改变，在面板制造之后并且不拆卸面板，使层t =（1 / g）ke的时间常数在高和例如0.03和20秒的范围内的低值，其中g是导电率，k是对照层的介电常数，e是自由空间的介电常数。控制层（52）的导电性以及因此的时间常数可通过施加电磁能，优选红外辐射来控制。优选地，辐射敏感层（50）是光电导体，并且控制层（52）是有机光电导体“OPC”。

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