| abstract |
The invention discloses a kind of X-ray flat panel detectors of X-ray-preventing interference, including picture element matrix and peripheral circuit.Picture element matrix is made of thin film photodiode and film transistor switch device, and the protective layer for shielding X-ray, the preferred tungsten metallic film of protective layer are wherein provided with above film transistor switch device.Beneficial effects of the present invention: electronic device is optimized for the device with protective layer by the present invention, is significantly reduced influence of the sigmatron to device, is reduced the noise jamming of device, and improves the service life of device. |