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BS EN IEC 62435-7:2021

BS EN IEC 62435-7:2021

$142.49

Electronic components. Long-term storage of electronic semiconductor devices – Micro-electromechanical devices

Published By Publication Date Number of Pages
BSI 2021 26
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IEC 62435-7:2020 on long-term storage applies to micro-electromechanical devices (MEMS) in long-term storage that can be used as part of obsolescence mitigation strategy. Long-term storage refers to a duration that may be more than 12 months for products scheduled for storage. Philosophy, good working practice, and general means to facilitate the successful long-term storage of electronic components are also addressed.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
12 1 Scope
2 Normative references
3 Terms and definitions
14 4 Storage considerations
4.1 Overview of MEMS applications
4.2 Failure mechanisms
4.2.1 Occurrence of failure and driving force
15 Tables
Table 1 – Failure mechanisms in storage and stimuli to mitigate during storage
17 4.2.2 Storage environment and mitigation for stimuli to prevent failure
18 4.3 Materials management
4.4 Storage media
Table 2 – Long-term environment – sustained condition requirements
Table 3 – Considerations for management, control and documentation during storage
19 4.5 Documentation/paper lot identifiers
4.6 Inventory check
4.7 Inventory dry packing refreshing
4.8 Inventory re-assessment
5 Baseline long-term storage requirements
5.1 General
20 5.2 Moisture sensitivity designation
5.3 Dry packing for storage
5.4 Non-moisture sensitive device storage
5.4.1 General
5.4.2 Storage media
5.4.3 Lot data and labelling
5.5 Storage of MEMS devices before assembly – Wafer level and die level storage
5.6 Storage of moisture sensitive finished devices
5.6.1 Moisture barrier bag
21 5.6.2 Dunnage
5.6.3 Humidity indicator card
5.6.4 Desiccant
5.6.5 Labelling
5.6.6 Lot data and labelling
22 5.6.7 Storage environment
5.6.8 Process (temperature) sensitivity designation
23 Annex A (informative)Packaged or finished device storage environment considerations
Table A.1 – Long-term storage environment – sustained condition considerations
24 Bibliography

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BS EN IEC 62435-7:2021
$142.49