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The x-ray sensor employs a direct switching method. The panel is comprised of a double layer of amorphous selenium. By extracting the image signal that is converted to an electric charge through our newly-developed Direct Optical Switching method rather than a TFT switch, we have reduced electronic noise and achieved a pixel pitch of 50µm.
Figure1 (X-ray sensor diagrams, conventional TFT method and Fujifilm's new sensor)
Figure 2 (Cross-section of the Fujifilm's new sensor, and its imaging process)