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IMAGE SENSOR WITH ELECTRON AND HOLE COLLECTION ELECTRODES
IMAGE SENSOR WITH ELECTRON AND HOLE COLLECTION ELECTRODES
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机译:带电子和孔收集电极的图像传感器
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摘要
Imaging apparatus (100, 200, 300) includes a photosensitive medium (302) configured to convert incident photons into pairs of electrons and holes. An array of pixel circuits (304) is formed on a semiconductor substrate (305). Each pixel circuit defines a respective pixel and includes an electron-collecting electrode (306, 502) in contact with the photosensitive medium at a first location in the pixel and a hole-collecting electrode (308, 504) in contact with the photosensitive medium at a second location in the pixel. Circuitry (800, 1000) is coupled to apply a positive potential to and collect the electrons from the electron-collecting electrode and to apply a negative potential to and collect the holes from the hole-collecting electrode and to output a signal indicative of an intensity of the incident photons responsively to the collected electrons and holes.
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