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IEC 62396-5:2014

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Process management for avionics - Atmospheric radiation effects - Part 5: Assessment of thermal neutron fluxes and single event effects in avionics systems

Process management for avionics - Atmospheric radiation effects - Part 5: Assessment of thermal neutron fluxes and single event effects in avionics systems

IEC 62396-5:2014(E) provides 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. IEC 62396-5 addresses two main items:
- a detailed evaluation of the existing literature on measurements of the thermal flux inside of airliners, and
- 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 are considered to be very important for leading to the ultimate objective of determining how large a threat is. This new edition includes the following technical changes with respect to the previous technical specification: document upgraded to an IEC international standard, change to title, updated references and bibliography, consideration of smaller geometries, addition of recent data on neutron cross-sections, etc.

General Information

Status
Published
Publication Date
21-Aug-2014
ICS
03.100.50 - Production. Production management
31.020 - Electronic components in general
49.060 - Aerospace electric equipment and systems
Technical Committee
TC 107 - Process management for avionics
Current Stage
PPUB - Publication issued
Start Date
15-Sep-2014
Completion Date
22-Aug-2014
Ref Project

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IEC 62396-5:2014 - Process management for avionics - Atmospheric radiation effects - Part 5: Assessment of thermal neutron fluxes and single event effects in avionics systemsIEC 62396-5:2014 - Process management for avionics - Atmospheric radiation effects - Part 5: Assessment of thermal neutron fluxes and single event effects in avionics systems
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IEC 62396-5:2014 - Process management for avionics - Atmospheric radiation effects - Part 5: Assessment of thermal neutron fluxes and single event effects in avionics systems
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IEC 62396-5
®

Edition 1.0 2014-08
INTERNATIONAL
STANDARD

colour
inside


Process management for avionics – Atmospheric radiation effects –
Part 5: Assessment of thermal neutron fluxes and single event effects in
avionics systems

IEC 62396-5:2014-08(en)

---------------------- Page: 1 ----------------------
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IEC 62396-5

®


Edition 1.0 2014-08




INTERNATIONAL



STANDARD









colour

inside










Process management for avionics – Atmospheric radiation effects –

Part 5: Assessment of thermal neutron fluxes and single event effects in

avionics systems


























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ICS 03.100.50; 31.020; 49.060 ISBN 978-2-8322-1821-1



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---------------------- Page: 3 ----------------------
– 2 – IEC 62396-5:2014  IEC 2014
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references. 5
3 Terms and definitions . 5
4 Overview of thermal neutron single event rate calculation . 5
5 Thermal neutron flux inside an airliner . 7
5.1 Definition of thermal neutron . 7
5.2 Overview. 7
5.3 Background on aircraft measurements .
...

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