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Photosensitive semiconductor device having radiation sensitive diodes and photocurrent amplification
Photosensitive semiconductor device having radiation sensitive diodes and photocurrent amplification
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机译:具有辐射敏感二极管和光电流放大的光敏半导体器件
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摘要
A radiation-sensitive semiconductor device, more particularly but not exclusively a photo detection arrangement for determining the postion of a luminous spot, including a semiconductor body having at least two radiation-sensitive diodes and amplifying circuitry for the photocurrent generated by the luminous spot. The amplifying circuitry includes transistors arranged outside the area of the semiconductor body occupied by the radiation-sensitive diodes. Each transistor is assigned to and connected to a radiation-sensitive diode, while at least the active parts of the transistors are arranged more closely to each other in the semiconductor body than the diodes to which they are assigned. A focusing arrangement may advantageously incorporate such as semiconductor photodetector.
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