IEC_62899-202-2016.pdf

IEC 62899-202 Edition 1.0 2016-02 INTER NA TIONA L STA NDA R D Printed electronics Part 202:Materials Conductive ink IEC 62899-202:2016-02(en)Copyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All r ights r eserved.Unless otherwise specif ied,no par t of this publication may be reproduced or utilized in any f orm or by any means,electr onic or mechanical,including photocopying and microfilm,without permission in writing f rom either IEC or IECs 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 f or fur ther information.IEC Central Office Tel.:+41 22 919 02 11 3,r ue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzer land www.iec.ch About the IEC The Inter national Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standar ds f or all electr ical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entir e bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.A vailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publicat ions search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdraw n publications.IEC Just Published-webstore.iec.ch/just published Stay up to date on all new IEC publications.Just Published details all new publications released.A vailable online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionar y of electronic and electrical terms containing 20 000 terms and definitions in English and French,with equivalent terms in 15 additional languages.A lso known as the International Electrotechnical Vocabular y (IEV)online.IEC Glossar y -st d.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French ex tracted from the Ter ms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Cust omer Service Centre-webst ore.iec.ch/csc If you wish to give us y our feedback on this publication or need fur ther assistance,please contact the Customer Service Centre:csciec.ch.Copyright International Electrotechnical Commission IEC 62899-202 Edition 1.0 2016-02 INTERNA TIONA L STA NDA R D Printed electronics Part 202:Materials Conductive ink INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 31.180;87.080 ISBN 978-2-8322-3197-5 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this publication from an authorized distributor.Copyright International Electrotechnical Commission 2 IEC 62899-202:2016 IEC 2016 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative ref erences.7 3 Terms and def initions.8 4 Atmospheric conditions f or evaluation and conditioning.10 5 Evaluation of properties of conductive ink.10 5.1 Specimen.10 5.2 Contents.10 5.2.1 Solid content.10 5.2.2 Non-volatile content.10 5.2.3 Ash content.11 5.2.4 Foreign matter.11 5.3 Physical properties.12 5.3.1 Density.12 5.3.2 Rheology.12 5.3.3 Surf ace tension.13 5.3.4 Size of conductive materials.13 5.3.5 Flashpoint.15 5.3.6 Evaporation rate.15 6 Evaluation of the properties of a conductive layer.16 6.1 Test piece.16 6.1.1 General.16 6.1.2 Substrate.16 6.1.3 Conductive ink.16 6.1.4 Dimensions of test piece.16 6.1.5 Preparation of test piece.16 6.2 Electrical properties.16 6.2.1 Volume resistivity.16 6.2.2 Surf ace resistivity.21 6.3 Optical properties.22 6.3.1 Overview.22 6.3.2 Luminous transmittance.22 6.3.3 Chromaticity.22 6.3.4 Unif ormity of colour.23 6.3.5 Haze.24 6.3.6 Ref ractive index.25 7 Storage.25 7.1 Storage conditions.25 7.2 Method f or measuring aged deterioration.25 7.3 Report of the results.25 Annex A(inf ormative)Examples of the f our-point probe f or applying an appropriate weight.26 A.1 Internal structure.26 A.2 Example of the general view.26 Copyright International Electrotechnical Commission IEC 62899-202:2016 IEC 2016 3 Annex B(inf ormative)Equation of correction f actor F.27 B.1 General.27 B.2 Conditions f or correction f actor F.27 B.3 Equation of correction f actor F.28 Annex C(inf ormative)Inf luence of the measuring position and the size of specimen on resistance.29 C.1 Inf luence of the measuring position on resistance.29 C.2 Inf luence of the size of the specim