TY - JOUR
T1 - Rapid detection of radiation susceptible regions in electronics
AU - Stepanoff, Sergei P.
AU - Haque, Aman
AU - Ren, Fan
AU - Pearton, Stephen
AU - Wolfe, Douglas E.
N1 - Funding Information:
This work was funded by the Department of Defense, Defense Threat Reduction Agency (DTRA) as part of the Interaction of Ionizing Radiation with Matter University Research Alliance (IIRM-URA) under Contract No. HDTRA1-20-2-0002. The content of the information does not necessarily reflect the position or the policy of the federal government, and no official endorsement should be inferred. A.H. also acknowledges support from the U.S. National Science Foundation (ECCS No. 2015795).
Publisher Copyright:
© 2023 Author(s).
PY - 2023/7/1
Y1 - 2023/7/1
N2 - Radiation susceptibility of electronics has always been about probing electrical properties in either transient or time-accumulated phenomena. As the size and complexity of electronic chips or systems increase, detection of the most vulnerable regions becomes more time consuming and challenging. In this study, we hypothesize that localized mechanical stress, if overlapping electrically sensitive regions, can make electronic devices more susceptible to radiation. Accordingly, we develop an indirect technique to map mechanical and electrical hotspots to identify radiation-susceptible regions of the operational amplifier AD844 to ionizing radiation. Mechanical susceptibility is measured using pulsed thermal phase analysis via lock-in thermography and electrical biasing is used to identify electrically relevant regions. A composite score of electrical and mechanical sensitivity was constructed to serve as a metric for ionizing radiation susceptibility. Experimental results, compared against the literature, indicate effectiveness of the new technique in the rapid detection of radiation-vulnerable regions. The findings could be attractive for larger systems, for which traditional analysis would take —two to three orders of magnitude more time to complete. However, the indirect nature of the technique makes the study more approximate and in need for more consistency and validation efforts.
AB - Radiation susceptibility of electronics has always been about probing electrical properties in either transient or time-accumulated phenomena. As the size and complexity of electronic chips or systems increase, detection of the most vulnerable regions becomes more time consuming and challenging. In this study, we hypothesize that localized mechanical stress, if overlapping electrically sensitive regions, can make electronic devices more susceptible to radiation. Accordingly, we develop an indirect technique to map mechanical and electrical hotspots to identify radiation-susceptible regions of the operational amplifier AD844 to ionizing radiation. Mechanical susceptibility is measured using pulsed thermal phase analysis via lock-in thermography and electrical biasing is used to identify electrically relevant regions. A composite score of electrical and mechanical sensitivity was constructed to serve as a metric for ionizing radiation susceptibility. Experimental results, compared against the literature, indicate effectiveness of the new technique in the rapid detection of radiation-vulnerable regions. The findings could be attractive for larger systems, for which traditional analysis would take —two to three orders of magnitude more time to complete. However, the indirect nature of the technique makes the study more approximate and in need for more consistency and validation efforts.
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U2 - 10.1116/6.0002689
DO - 10.1116/6.0002689
M3 - Article
AN - SCOPUS:85161903525
SN - 2166-2746
VL - 41
JO - Journal of Vacuum Science and Technology B
JF - Journal of Vacuum Science and Technology B
IS - 4
M1 - 044005
ER -