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发明公开
CN105210189A 光倍增管、图像传感器及使用PMT或图像传感器的检验系统 有权

光倍增管、图像传感器及使用PMT或图像传感器的检验系统
摘要：
本发明揭示一种光倍增管，其包含半导体光电阴极及光电二极管。值得注意地，所述光电二极管包含：p掺杂型半导体层；n掺杂型半导体层，其形成于所述p掺杂型半导体层的第一表面上，以形成二极管；及纯硼层，其形成于所述p掺杂型半导体层的第二表面上。在所述半导体光电阴极与所述光电二极管之间的间隙可为小于约1毫米或小于约500微米。所述半导体光电阴极可包含氮化镓，例如一或多个p掺杂型氮化镓层。在其它实施例中，所述半导体光电阴极可包含硅。此半导体光电阴极可进一步包含在至少一个表面上的纯硼涂层。
摘要（英）：

A photomultiplier tube includes a semiconductor photocathode and a photodiode. Notably, the photodiode includes a p-doped semiconductor layer, an n-doped semiconductor layer formed on a first surface of the p-doped semiconductor layer to form a diode, and a pure boron layer formed on a second surface of the p-doped semiconductor layer. A gap between the semiconductor photocathode and the photodiode may be less than about 1 mm or less than about 500 mum. The semiconductor photocathode may include gallium nitride, e.g. one or more p-doped gallium nitride layers. In other embodiments, the semiconductor photocathode may include silicon. This semiconductor photocathode can further include a pure boron coating on at least one surface.

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