一种新型二维X射线探测器

本文建立一种新型X射线探测器，它是一种矩阵寻址方式的二维探测器，由两块玻璃基板组成，分别称作阴极板和阳极板，阴极板内侧镀有行电极和X射线阴级（例如CsI)，阳极板上有寻址电极，障壁，两块基板对位封接，使行电要与寻址电极互相垂直，封接后先抽高真空，然后充入氩气与CO2混合气体，本探测器具有薄，轻，图象无畸变并可以利用PDP显示器件的工艺制作大尺寸器件及大量制造等优点。

A NEW TWO DIMENSIONAL DETECTOR FOR X-RAY

The paper proposes a new type of X ray detector that is a matrix addressing two dimensional device and consists of two glass substr ates called cathode substrate and anode substrate respectively.The cathode subst rate has X ray photocathode and column electrodes,the anode substrate has addre ssing electrodes and barrier walls.Two glass substrates are sealed together to m ake their electrodes mutually perpendicular first and then pumped to high vacuum .Following the pump,the device is filled with mixture of Ar and CO2.The detect or,in fact,is a matrix of micro gas-filled phototubes and therefore has some fe atures:no image distortion,high spatial resolution,more sensitive and easy to be manufactured in big size and large scale by PDP technology.