Electronic components - Long-term storage of electronic semiconductor devices - Part 6: Packaged or finished devices

IEC 62435-6:2018 on long-term storage applies to packaged or finished devices in long-term storage that can be used as part of obsolescence mitigation strategy. Long-term storage refers to a duration that can be more than 12 months for product scheduled for storage. Philosophy, good working practice, and general means to facilitate the successful long-term storage of electronic components are also addressed.

Composants électroniques - Stockage de longue durée des dispositifs électroniques à semiconducteurs - Partie 6: Dispositifs encapsulés ou finis

L’IEC 62435-6:2018 portant sur le stockage de longue durée s’applique aux dispositifs encapsulés ou finis en stockage de longue durée qui peuvent être utilisés dans le cadre d’une stratégie de réduction de l’obsolescence. Le stockage de longue durée fait référence à une durée qui peut être supérieure à 12 mois, pour un produit destiné à être stocké. Les concepts, les bonnes pratiques et les moyens généraux de nature à faciliter la réussite d’un stockage de longue durée de composants électroniques sont aussi abordés.

General Information

Status
Published
Publication Date
28-Aug-2018
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
10-Aug-2018
Completion Date
29-Aug-2018
Ref Project

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IEC 62435-6 ®
Edition 1.0 2018-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electronic components – Long-term storage of electronic semiconductor
devices –
Part 6: Packaged or finished devices

Composants électroniques – Stockage de longue durée des dispositifs
électroniques à semiconducteurs –
Partie 6: Dispositifs encapsulés ou finis

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IEC 62435-6 ®
Edition 1.0 2018-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electronic components – Long-term storage of electronic semiconductor

devices –
Part 6: Packaged or finished devices

Composants électroniques – Stockage de longue durée des dispositifs

électroniques à semiconducteurs –

Partie 6: Dispositifs encapsulés ou finis

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.020 ISBN 978-2-8322-5979-5

– 2 – IEC 62435-6:2018 © IEC 2018
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Storage considerations . 9
4.1 Failure mechanisms . 9
4.1.1 Occurrence of failure and driving force . 9
4.1.2 Storage environment and mitigation for stimuli to prevent failure . 10
4.2 Materials management . 11
4.3 Storage media . 11
4.4 Inventory check. 11
4.5 Inventory dry packing refreshing . 12
4.6 Inventory re-assessment . 12
5 Baseline long-term storage requirements . 12
5.1 General . 12
5.1.1 Categories . 12
5.1.2 Critical aspects . 12
5.1.3 Recommendations and best practice . 12
5.2 Non-moisture sensitive device storage . 13
5.2.1 Storage media . 13
5.2.2 Lot data and labelling . 13
5.3 Moisture sensitive finished device storage . 13
5.3.1 Moisture sensitivity designation . 13
5.3.2 Dry packing for storage . 13
5.3.3 Moisture barrier bag . 13
5.3.4 Dunnage . 13
5.3.5 Humidity indicator card – HIC . 14
5.3.6 Desiccant . 14
5.3.7 Labelling . 14
5.4 Storage environment . 14
5.5 Process (temperature) sensitivity designation . 14
Annex A (informative) Packaged or finished device storage environment
considerations . 15
Bibliography . 16

Table 1 – Example failure mechanisms in storage and stimuli to mitigate during storage . 9
Table 2 – Long-term environment – Sustained condition requirements . 10
Table 3 – Considerations for management, control and documentation during storage . 11
Table A.1 – Long-term storage environment – Sustained condition considerations . 15

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRONIC COMPONENTS – LONG-TERM STORAGE OF
ELECTRONIC SEMICONDUCTOR DEVICES –

Part 6: Packaged or finished devices

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