Spark protection layers for CMOS pixel anode chips in MPGDs

Y. Bilevych; V.M. Blanco Carballo; M.A. Chefdeville; P. Colas; E. Delagnes; M. Fransen; H. van der Graaff; W.J.C. Koppert; J. Melai; Cora Salm; Jurriaan Schmitz; J. Timmermans; N. Wyrsch

doi:10.1016/j.nima.2010.11.116

Spark protection layers for CMOS pixel anode chips in MPGDs

Y. Bilevych, V.M. Blanco Carballo, M.A. Chefdeville, P. Colas, E. Delagnes, M. Fransen, H. van der Graaff, W.J.C. Koppert, J. Melai, Cora Salm, Jurriaan Schmitz, J. Timmermans, N. Wyrsch

Research output: Contribution to journal › Article › Academic › peer-review

20 Citations (Scopus)

Abstract

In this work we have investigated the functioning of high resistivity amorphous silicon and silicon-rich nitride layers as a protection against discharges in Micro-Patterned Gaseous Detectors (MPGDs).When the anode is protected by a high resistivity layer, discharge signals are limited in charge. A signal reduction is expected when the layers are too thick; simulations presented in this paper indicate that layer supto 10 mm thick can be applied without significantly degrading the detector performance. Layers of amorphous silicon and silicon-rich nitride have been deposited on top of Timepix and Medipix 2chips in GridPix detectors; with this, chips survive naturally occurring as well as intentionally produced discharges.

Original language	English
Pages (from-to)	66-73
Number of pages	8
Journal	Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment
Volume	629
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2010.11.116
Publication status	Published - 11 Feb 2011

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10.1016/j.nima.2010.11.116

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Bilevych, Y., Blanco Carballo, V. M., Chefdeville, M. A., Colas, P., Delagnes, E., Fransen, M., van der Graaff, H., Koppert, W. J. C., Melai, J., Salm, C., Schmitz, J., Timmermans, J., & Wyrsch, N. (2011). Spark protection layers for CMOS pixel anode chips in MPGDs. Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment, 629(1), 66-73. https://doi.org/10.1016/j.nima.2010.11.116

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abstract = "In this work we have investigated the functioning of high resistivity amorphous silicon and silicon-rich nitride layers as a protection against discharges in Micro-Patterned Gaseous Detectors (MPGDs).When the anode is protected by a high resistivity layer, discharge signals are limited in charge. A signal reduction is expected when the layers are too thick; simulations presented in this paper indicate that layer supto 10 mm thick can be applied without significantly degrading the detector performance. Layers of amorphous silicon and silicon-rich nitride have been deposited on top of Timepix and Medipix 2chips in GridPix detectors; with this, chips survive naturally occurring as well as intentionally produced discharges.",

author = "Y. Bilevych and {Blanco Carballo}, V.M. and M.A. Chefdeville and P. Colas and E. Delagnes and M. Fransen and {van der Graaff}, H. and W.J.C. Koppert and J. Melai and Cora Salm and Jurriaan Schmitz and J. Timmermans and N. Wyrsch",

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Bilevych, Y, Blanco Carballo, VM, Chefdeville, MA, Colas, P, Delagnes, E, Fransen, M, van der Graaff, H, Koppert, WJC, Melai, J, Salm, C , Schmitz, J, Timmermans, J & Wyrsch, N 2011, 'Spark protection layers for CMOS pixel anode chips in MPGDs', Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment, vol. 629, no. 1, pp. 66-73. https://doi.org/10.1016/j.nima.2010.11.116

Spark protection layers for CMOS pixel anode chips in MPGDs. / Bilevych, Y.; Blanco Carballo, V.M.; Chefdeville, M.A. et al.
In: Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment, Vol. 629, No. 1, 11.02.2011, p. 66-73.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Chefdeville, M.A.

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AU - Delagnes, E.

AU - Fransen, M.

AU - van der Graaff, H.

AU - Koppert, W.J.C.

AU - Melai, J.

AU - Salm, Cora

AU - Schmitz, Jurriaan

AU - Timmermans, J.

AU - Wyrsch, N.

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