1、 IEC 61249-2-41 Edition 1.0 2010-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Materials for printed boards and other interconnecting structures Part 2-41: Reinforced base materials clad and unclad Brominated epoxide cellulose paper/woven E-glass reinforced laminate sheets of defined flammability (
2、vertical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-41: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies renforces en tissu de verre de type E/papier cellulose poxyde brom, plaques cuivre, dinflamm
3、abilit dfinie (essai de combustion verticale) pour les assemblages sans plomb IEC 61249-2-41:2010 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or
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17、s commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61249-2-41 Edition 1.0 2010-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Materials for printed boards and other
18、interconnecting structures Part 2-41: Reinforced base materials clad and unclad Brominated epoxide cellulose paper/woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterco
19、nnexion Partie 2-41: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies renforces en tissu de verre de type E/papier cellulose poxyde brom, plaques cuivre, dinflammabilit dfinie (essai de combustion verticale) pour les assemblages sans plomb INTERNATIONAL ELECTROTECHNICAL COMMISSION
20、 COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 31.180 PRICE CODE CODE PRIX ISBN 978-2-88910-461-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61249-2-41 IEC:2010 CONTENTS FOREWORD.4 1 Scope.6 2 Normative ref
21、erences6 3 Materials and construction 6 3.1 Resin system.6 3.2 Metal foil .7 3.3 Reinforcement.7 4 Internal marking7 5 Electrical properties 7 6 Non-electrical properties of the copper-clad laminate 7 6.1 Appearance of the copper-clad sheet.7 6.1.1 Indentations (pits and dents)8 6.1.2 Wrinkles 8 6.1
22、.3 Scratches 8 6.1.4 Raised areas .8 6.1.5 Surface waviness.9 6.2 Appearance of the unclad face.9 6.3 Laminate thickness9 6.4 Bow and twist 9 6.5 Properties related to the copper foil bond.10 6.6 Punching and machining10 6.7 Dimensional stability11 6.8 Sheet sizes11 6.8.1 Typical sheet sizes 11 6.8.
23、2 Tolerances for sheet sizes .11 6.9 Cut panels.11 6.9.1 Cut panel sizes 11 6.9.2 Size tolerances for cut panels 11 6.9.3 Rectangularity of cut panels .12 7 Non-electrical properties of the base material after complete removal of the copper foil12 7.1 Appearance of the dielectric base material.12 7.
24、2 Flexural strength13 7.3 Flammability13 7.4 Water absorption.13 7.5 Measling14 7.6 Glass transition temperature and cure factor14 7.7 Decomposition temperature .14 7.8 Time to delamination (TMA).14 8 Quality assurance.15 8.1 Quality system.15 8.2 Responsibility for inspection.15 8.3 Qualification i
25、nspection15 8.4 Quality conformance inspection .15 8.5 Certificate of conformance.15 8.6 Safety data sheet.16 61249-2-41 IEC:2010 3 9 Packaging and marking.16 10 Ordering information.16 Annex A (informative) Engineering information .17 Annex B (informative) Common laminate constructions.19 Annex C (
26、informative) Guideline for qualification and conformance inspection.20 Bibliography21 Table 1 Electrical properties .7 Table 2 Nominal thickness and tolerance of metal-clad laminate.9 Table 3 Bow and twist requirements .9 Table 4 Pull-off and peel strength requirements10 Table 5 Dimensional stabilit
27、y11 Table 6 Size tolerances for cut panels 12 Table 7 Rectangularity of cut panels.12 Table 8 Flexural strength requirements.13 Table 9 Flammability requirements .13 Table 10 Water absorption requirements 14 Table 11 Measling requirements.14 Table 12 Glass transition temperature and cure factor requ
28、irements .14 Table 13 Decomposition temperature requirements 14 Table 14 Time to delamination (TMA) .15 Table C.1 Qualification and conformance inspection.20 4 61249-2-41 IEC:2010 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-41:
29、 Reinforced base materials clad and unclad Brominated epoxide cellulose paper/woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for s
30、tandardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes
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36、ng national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any se
37、rvices carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC N
38、ational Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attentio
39、n is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC s
40、hall not be held responsible for identifying any or all such patent rights. International Standard IEC 61249-2-41 has been prepared by IEC technical committee 91: Electronics assembly technology. The text of this standard is based on the following documents: FDIS Report on voting 91/911/FDIS 91/922/
41、RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. 61249-2-41 IEC:2010 5 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 61249 series, under the ge
42、neral title Materials for printed boards and other interconnecting structures, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data relat
43、ed to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 61249-2-41 IEC:2010 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-41: Reinforced base materials clad and unclad Brominated epoxide cel
44、lulose paper/woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly 1 Scope This part of IEC 61249 gives requirements for properties of brominated epoxide cellulose paper reinforced core/woven E-glass reinforced surface laminate s
45、heets of defined flammability (vertical burning test), copper-clad for lead-free assembly in thicknesses of 0,60 mm up to 1,70 mm. The flammability rating is achieved through the use of brominated fire retardants reacted as part of the epoxide polymeric structure. The glass transition temperature is
46、 defined to be 100 C minimum. Some property requirements may have several classes of performance. The class desired should be specified on the purchase order, otherwise the default class of material will be supplied. 2 Normative references The following referenced documents are indispensable for the
47、 application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61189-2:2006, Test methods for electrical materials, printed boards and other interconnection structures
48、and assemblies Part 2: Test methods for materials for interconnection structures IEC 61249-5-1, Materials for interconnection structures Part 5: Sectional specification set for conductive foils and films with and without coatings Section 1: Copper foils (for the manufacture of copper-clad base mater
49、ials) ISO 9000, Quality management systems Fundamentals and vocabulary ISO 14001, Environmental management systems Requirements with guidance for use ISO 11014, Safety data sheet for chemical products Content and order of sections 3 Materials and construction The sheet consists of an insulating base with metal-foil bonded to one side or both. 3.1 Resin
