Radiation imaging apparatus, its control method, and...

Details Radiation imaging apparatus, its control method, and... Radiation imaging apparatus, its control method, and...

2011-08-02

2011-08-02

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C250S208100

Reexamination Certificate

active

07989772

ABSTRACT:
To provide a radiation imaging apparatus capable of restraining the change of image qualities due to the change of sensitivities of an MIS-type photoelectric conversion element and its control method. Therefore, an MIS-type photoelectric conversion element217is set to a saturation state before performing radiation imaging. As means for realizing the above mentioned, a light source601, power supply603for making the light source601emit light, and switch605are provided. The light source601can use a light source capable of discharging the light having a wavelength which can be detected by a photoelectric conversion layer209at optional timing. For example, it is possible to use a light source in which a plurality of LEDs or cold cathode ray tubes are arranged, a light guide plate is combined with an LED or cold cathode ray tube, or an EL device.

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