The flat panel detector is the core component of the DR device and plays a decisive role in the imaging quality. After the flat panel detector is damaged, the manufacturer usually replaces the entire part when it comes to warranty and repair, and the price is more expensive. Hospital users hope to be able to repair them to reduce equipment maintenance costs.
Flat panel detectors are used for a certain number of years (usually about three years) or after a certain number of exposures, the aging and damage of flat panel detectors are inevitable and inevitable. The high maintenance cost of flat-panel detectors is mainly due to the high integration of internal components, and the unstable physical properties of amorphous silicon oxide transistors, which decay quickly under light. Therefore, large areas of dead pixels appear every day. When the dead pixels reach a certain amount, it cannot be repaired, and the entire flat panel detector needs to be replaced. In fact, as of today, there is no flat panel detector that can be used normally for more than five years, and most flat panel detectors need to be replaced every three years.
Therefore, standardizing operation, strengthening maintenance, regular calibration, and reducing collisions in daily work must be paid attention to to extend the service life of flat panel detectors.