| 摘要 |
A solid-state detector is accommodated within a case housing. The solid-state detector is provided with a layer containing amorphous selenium as a principal constituent and operates such that the solid-state detector records image information as an electrostatic latent image, and such that the solid-state detector generates electric currents in accordance with the electrostatic latent image when the solid-state detector is scanned with reading light. A heat discharging device discharges heat within the case housing to the exterior of the case housing, such that a temperature of the layer containing the amorphous selenium as the principal constituent is kept at a temperature lower than 40° C.
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