The DEPFET active pixel sensor as vertex detectors for the ILC
2006
For the International Linear Collider a vertex detector with unprecedented performance is needed. The DEPFET, which integrates a MOSFET into the high resistivity detector substrate offers such performance: large signal/noise, small pixel size, thin detectors, low power consumption, high readout speed and radiation tolerance. This paper presents the concept of the DEPFET and results of a complete prototype system with dedicated control and readout electronics. Measurements of the radiation hardness will be presented and the technology to achieve thin detectors (50 μm) will be discussed.
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