A novel design enhances robustness of integrated voltage dividers in silicon drift detectors, indicating improved performance for large-scale applications.
Developing a large area silicon drift detector (SDD) for the ALICE experiment, one of the objectives was to work out a robust and redundant design. As soon as the detector is planned to work without an external divider, the integrated voltage divider plays an important role. Unlike the case of silicon microstrip or pixel detectors, a single defect in the SDD may be propagated throughout the whole detector. We report a new design of the integrated voltage divider that allows to prevent this propagation in most practical cases. Device simulations complement laboratory measurements
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