Norm

NPR-IEC/TS 62396-5:2008 en

Procesmanagement voor luchtvaartelektronica - Atmosferische stralingsgevolgen - Deel 5: Richtlijnen voor het beoordelen van vloeibare thermische neutronen en effecten in luchtvaartsystemen

90,57

Over deze norm

Status Definitief
Aantal pagina's 18
Gepubliceerd op 01-09-2008
Taal Engels
The purpose of this technical specification is to provide a more precise definition of the threat that thermal neutrons pose to avionics as a second mechanism for inducing single event upset (SEU) in microelectronics. There are two main points that will be addressed in this technical specification: a) a detailed evaluation of the existing literature on measurements of the thermal flux inside of airliners and b) an enhanced compilation of the thermal neutron SEU cross section in currently available SRAM devices (more than 20 different devices). The net result of the reviews of these two different sets of data will be two ratios that we consider to be very important for leading to the ultimate objective of how large a threat is the SEU rate from thermal neutrons compared to the SEU threat from the high energy neutrons (E >10 MeV). The threat from the high energy neutrons has been dealt with extensively in the literature and has been addressed by two standards (IEC/TS 62396-1 in avionics and [1]1) in microelectronics on the ground).

Details

ICS-code 03.100.50
31.020
49.060
Nederlandse titel Procesmanagement voor luchtvaartelektronica - Atmosferische stralingsgevolgen - Deel 5: Richtlijnen voor het beoordelen van vloeibare thermische neutronen en effecten in luchtvaartsystemen
Engelse titel Process management for avionics - Atmospheric radiation effects - Part 5: Guidelines for assessing thermal neutron fluxes and effects in avionics systems
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