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Guidelines for predicting single-event upsets in neutron environments

Conference · · IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States)
OSTI ID:5812460
 [1];  [2]
  1. Severn Communications Corp., Severna Park, MD (United States)
  2. Boeing Aerospace Co., Seattle, WA (United States)

Single-event upsets (SEUs) in aerospace applications may generally be attributed to direct ionization by heavy nuclei in galactic cosmic radiation or to energetic recoils of substrate nuclei interacting with high-energy (E {gt} 10 MeV) protons. In some aerospace applications the radiation environment is dominated by neutrons which are expected to be the principal cause of SEUs. These environments include the atmosphere at aircraft altitudes, in the vicinity of nuclear reactors and other neutron sources, nuclear weapons environments, and within heavily shielded spacecraft. Neutron-induced SEUs have been demonstrated in the laboratory and procedures for estimating error rates have been defined. In this paper utilizing the author's most recent computations of neutron burst generation rates, the authors introduce a simple, graphical technique for estimating neutron-induced error rates in various neutron environments.

OSTI ID:
5812460
Report Number(s):
CONF-910751--
Journal Information:
IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) Vol. 38:6; ISSN 0018-9499; ISSN IETNA
Country of Publication:
United States
Language:
English

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