Initial measurements on Pixel Detector modules for the ATLAS upgrades

Gallrapp, C.

doi:10.1109/radecs.2011.6131458

Cited by 1 publication

(2 citation statements)

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“…Unfortunately, this approach resulted in a large waste of area, from 0.5 to 1 mm in standard 300 µm thick substrates. Latest planar detectors under study for the ATLAS upgrade were designed with smaller edge regions as described in [8].…”

Section: Edge Termination Issuesmentioning

confidence: 99%

“…A viable solution is to realize a "3D guard-ring" made of both junction columns and ohmic columns, in order to drain any parasitic current coming from the edge. In fact, this approach is pursued at CNM-IMB with good results [8]. What we conceived is an alternative solution, the so called "slim edge", that is more easily scalable to smaller sizes, as will be detailed in the next paragraph.…”

Section: Edge Termination Issuesmentioning

confidence: 99%

See 1 more Smart Citation

Slim edges in double-sided silicon 3D detectors

Povoli¹,

Bagolini²,

Boscardin³

et al. 2012

J. Inst.

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Minimization of the insensitive edge area is one of the key requirements for silicon radiation detectors to be used in future silicon trackers. In 3D detectors this goal can be achieved with the active edge, at the expense of a high fabrication process complexity. In the framework of the ATLAS 3D sensor collaboration, we produced modified 3D silicon sensors with a double-sided technology. While this approach is not suitable to obtain active edges, because it does not use a support wafer, it allows for a new type of edge termination, the slim edge. In this paper we report on the development of the slim edge, from numerical simulations to design and testing, proving that it works effectively without increasing the fabrication complexity of silicon 3D detectors, and that it could be further optimized to reduce the insensitive edge region to less than 100 µm.

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Section: Edge Termination Issuesmentioning

confidence: 99%

Section: Edge Termination Issuesmentioning

confidence: 99%