IEC TR 61340-5-5:2018

IEC TR 61340-5-5 ®
Edition 1.0 2018-11
TECHNICAL
REPORT
colour
inside
Electrostatics –
Part 5-5: Protection of electronic devices from electrostatic phenomena –
Packaging systems used in electronic manufacturing
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 21 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.

IEC publications search - webstore.iec.ch/advsearchform IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 67 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and

CISPR.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc
details all new publications released. Available online and If you wish to give us your feedback on this publication or
also once a month by email. need further assistance, please contact the Customer Service
Centre: sales@iec.ch.
IEC TR 61340-5-5 ®
Edition 1.0 2018-11
TECHNICAL
REPORT
colour
inside
Electrostatics –
Part 5-5: Protection of electronic devices from electrostatic phenomena –

Packaging systems used in electronic manufacturing

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.99; 29.020 ISBN 978-2-8322-6255-9

– 2 – IEC TR 61340-5-5:2018 © IEC 2018
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 9
4 Role of electrostatic protective packaging . 10
4.1 Analysis of electrostatic risks (what can cause problems to ESDS) . 10
4.2 Charge generation (separation) . 10
4.3 Reduction of electrostatic charging items in the environment . 13
4.4 Electrostatic attraction and repulsion issues . 13
4.5 Dissipation of electrostatic charge. 14
4.6 Barrier to ESD current . 14
4.7 Protection against electrostatic fields . 14
4.8 Chemical and outgassing issues . 14
4.9 Moisture barrier . 15
4.10 Environmental conditions affecting packaging materials . 15
4.11 Packaging material principles. 15
4.11.1 General . 15
4.11.2 Low charging . 15
4.11.3 Electrostatic charge dissipation . 15
4.11.4 Conductive materials . 16
4.11.5 Electrostatic field shielding . 16
4.11.6 Electrostatic discharge shielding . 16
5 Types of material . 16
5.1 Filled polymers . 16
5.2 Intrinsically conductive or dissipative . 17
5.3 Surface coated . 17
5.4 Antistat treated . 17
5.5 Anodized materials (e.g. boats used inside automated handlers, metal tubes)
............................................................................................................................. 17
5.6 Material processing . 17
5.6.1 Vacuum forming. 17
5.6.2 Injection moulding . 17
5.6.3 Embossing . 18
5.6.4 Vacuum vapour deposition . 18
5.6.5 Surface coating . 18
5.6.6 Lamination . 18
6 Existing standards for packaging materials . 18
6.1 IEC 61340-5-3 . 18
6.2 ANSI/ESD S541 . 18
6.3 Military standards and other documents related to packaging . 19
6.3.1 General . 19
6.3.2 MIL PRF 81705 (E) (Film) . 19
6.3.3 MIL STD 3010 . 19

6.3.4 MIL PRF 131 . 19
7 Existing test methods for packaging materials . 19
7.1 IEC 61340-2-1 – Ability of materials and products to dissipate static electric

charge . 19
7.2 IEC TR 61340-2-2 – Measurement of chargeability . 20
7.3 IEC 61340-2-3 – Resistance and resistivity . 20
7.4 IEC 61340-4-8 – Discharge shielding – Bags . 20
8 Choosing a packaging technology . 21
8.1 Determining packaging material attributes . 21
8.2 Inside an EPA . 21
8.3 Outside an EPA or between EPAs . 21
8.4 Evaluation of packaging system attributes . 21
8.5 Charge dissipation test methods . 21
8.6 Resistance measurement methods . 21
8.7 Shielding test . 22
9 Does the packaging system meet the intended purpose? . 22
10 New test method concepts and development plans . 22
10.1 General . 22
10.2 Single point probe . 23
10.3 Parallel plates . 23
10.4 Pin-point probe . 24
10.5 Shielding related test methods . 24
10.6 Charge generation – Triboelectrification test methods . 24
10.7 Triboelectric charging of cover tape . 26
10.8 Discharge evaluation method . 27
10.9 Other resistance test methods . 27
Annex A (informative) Packaging forms and types . 28
A.1 Packaging materials for electronic devices . 28
A.2 Embossed tape . 28
A.3 Cover tape . 28
A.4 Reel types and materials . 29
A.5 Injection moulded trays . 30
A.6 Tubes and rails and other configurations of packaging materials . 31
A.7 Clam shell and test socket . 32
A.8 Bags . 32
A.9 Tote boxes and other rigid containers . 33
Bibliography . 34

Figure 1 – Induction charging process – Grounding a conductor in the presence of an

electrical field . 11
Figure 2 – Second part of induction charging process . 12
Figure 3 – First discharge pulse that occurs as shown in Figure 1b . 12
Figure 4 – Second discharge pulse that occurs as shown in Figure 2 . 12
Figure 5 – Single point probe test method set–up . 23
Figure 6 – Single point probe on embossed (pocket) tape . 23
Figure 7 – Parallel plate test method set–up . 24
Figure 8 – Set–up of isolated tape reels . 25

– 4 – IEC TR 61340-5-5:2018 © IEC 2018
Figure 9 – Resistance measurements – Reel to reel . 25
...