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Formation of multiple current filaments and the effect of filament confinement in silicon based PIN diodes

 
: Scharf, Patrick; Sohrmann, Christoph

Institute of Electrical and Electronics Engineers -IEEE-; National Institute for Research and Development in Microtechnologies, Bucharest:
IEEE 43rd International Semiconductor Conference, CAS 2020. Proceedings : October 7-9, 2020, Romania, Virtual Event
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-1072-1
S.217-220
International Semiconductor Conference (CAS) <43, 2020, Online>
Englisch
Konferenzbeitrag
Fraunhofer IIS, Institutsteil Entwurfsautomatisierung (EAS) ()

Abstract
Electrostatic discharge (ESD) can be considered as one of the main reliability risks of modern electronic systems which causes failure of semiconductor devices by an over-current effect. One of the dominant failure mechanisms during an ESD event is thermal runaway caused by an avalanche breakdown leading to an inhomogeneous current flow and a current filament. Here, the formation and motion of current filaments are investigated on special test structures of silicon based PIN diodes using technology computer-aided design (TCAD) simulations and transmission line pulse (TLP) measurements. In thin structures a constriction of the filament occurs as well as the formation of multiple filaments is observed.

: http://publica.fraunhofer.de/dokumente/N-605903.html