What question did this study set out to answer?

To measure single event effect cross sections in a mixed radiation environment and evaluate how thermal and intermediate-energy neutrons alter error rates in SRAM devices.

April 30, 2018IEEE Transactions on Nuclear Science

Impact of Thermal and Intermediate Energy Neutrons on SRAM SEE Rates in the LHC Accelerator

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To measure single event effect cross sections in a mixed radiation environment and evaluate how thermal and intermediate-energy neutrons alter error rates in SRAM devices.
Measured single event upset and single event latch-up cross sections at the CHARM facility in a radiation field with significant thermal and intermediate-energy neutron flux.
Introduced an experimental unfolding procedure to separate the contributions of thermal neutrons from high-energy hadrons to the overall single event effect rate.
Benchmarked the unfolded radiation responses against standardized test facility measurements to evaluate current component qualification methodologies.
Successfully unfolded and isolated the individual contributions of thermal neutrons and high-energy hadrons within a mixed radiation field.
Identified substantial intermediate and thermal neutron contributions to device error cross sections, demonstrating limits in standard qualification procedures that focus primarily on high-energy hadrons.

Implication

Experimental study demonstrates the impact of thermal and intermediate-energy neutrons on SRAM single event effect rates, highlighting implications for radiation qualification standards.

Abstract

This paper summarizes the main results related to the single event upset and single event latch-up cross section measurements performed at CHARM in a location with a strong contribution from thermal and intermediate energy neutrons. We introduce a new experimental procedure to unfold the thermal and high-energy hadron contributions to the single event effect rate in the mixed-field environment and benchmark the result against those obtained in standard test facilities, highlighting the possible implications on the state-of-the-art component qualification.

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Cite This Study

Cecchetto et al. (2018) studied this question.

synapsesocial.com/papers/6a84aecf192ab555d8a90b3b https://doi.org/10.1109/tns.2018.2831786

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Implication

Experimental study demonstrates the impact of thermal and intermediate-energy neutrons on SRAM single event effect rates, highlighting implications for radiation qualification standards.

Impact of Thermal and Intermediate Energy Neutrons on SRAM SEE Rates in the LHC Accelerator

Key Points

Implication

Abstract

Discussion

Cite This Study

Impact of Thermal and Intermediate Energy Neutrons on SRAM SEE Rates in the LHC Accelerator

Key Points

Implication

Abstract

Discussion

Cite This Study

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