IEC 61249-2-39-2012 Materials for printed boards and other interconnecting structures - Part 2-39 Reinforced base materials clad and unclad - High performance epoxide and non-epoxi.pdf

1、 IEC 61249-2-39 Edition 1.0 2012-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Materials for printed boards and other interconnecting structures Part 2-39: Reinforced base materials clad and unclad High performance epoxide and non-epoxide, woven E-glass laminate sheets of defined flammability (vert

2、ical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-39: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies en tissu de verre de type E poxyde et non poxyde haute performance, plaques cuivre, dinflammabil

3、it dfinie (essai de combustion verticale), pour les assemblages sans plomb IEC 61249-2-39:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by

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17、s questions contactez-nous: csciec.ch. IEC 61249-2-39 Edition 1.0 2012-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Materials for printed boards and other interconnecting structures Part 2-39: Reinforced base materials clad and unclad High performance epoxide and non-epoxide, woven E-glass laminat

18、e sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-39: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies en tissu de verre de type E poxyde et non poxyde haute per

19、formance, plaques cuivre, dinflammabilit dfinie (essai de combustion verticale), pour les assemblages sans plomb INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 31.180 PRICE CODE CODE PRIX ISBN 978-2-83220-495-5 Registered trademark of the International Ele

20、ctrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61249-2-39 IEC:2012 CONTENTS

21、 FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Materials and construction 6 3.1 General . 6 3.2 Resin system . 6 3.3 Metal foil . 7 3.4 Reinforcement . 7 4 Internal marking . 7 5 Electrical properties 7 6 Non-electrical properties of the copper-clad laminate . 8 6.1 Appearance of the copper-

22、clad sheet 8 6.1.1 General . 8 6.1.2 Indentations (pits and dents) . 8 6.1.3 Wrinkles 8 6.1.4 Scratches 8 6.1.5 Raised areas . 9 6.1.6 Surface waviness 9 6.2 Appearance of the unclad face 9 6.3 Laminate thickness 9 6.4 Bow and twist 10 6.5 Properties related to the copper foil bond 10 6.6 Punching a

23、nd machining . 11 6.7 Dimensional stability . 11 6.8 Sheet sizes . 12 6.8.1 Typical sheet sizes 12 6.8.2 Tolerances for sheet sizes . 12 6.9 Cut panels . 12 6.9.1 Cut panel sizes 12 6.9.2 Size tolerances for cut panels 12 6.9.3 Rectangularity of cut panels 13 7 Non-electrical properties of the base

24、material after complete removal of the copper foil 13 7.1 Appearance of the dielectric base material 13 7.2 Flexural strength . 13 7.3 Flammability 14 7.4 Water absorption . 15 7.5 Measling 15 7.6 Glass transition temperature and cure factor . 15 7.7 Decomposition temperature . 16 7.8 Thermal resist

25、ance 16 7.9 Z-axis expansion . 16 8 Quality assurance . 16 8.1 Quality system . 16 8.2 Responsibility for inspection 16 8.3 Qualification inspection . 16 61249-2-39 IEC:2012 3 8.4 Quality conformance inspection . 17 8.5 Certificate of conformance . 17 8.6 Safety data sheet 17 9 Packaging and marking

26、 17 10 Ordering information . 17 Annex A (informative) Engineering information 19 Annex B (informative) Common laminate constructions 21 Annex C (informative) Guideline for qualification and conformance inspection . 23 Bibliography 24 Table 1 Electrical properties 7 Table 2 Indentations 8 Table 3 No

27、minal thickness and tolerance of metal-clad laminate 9 Table 4 Bow and twist requirements . 10 Table 5 Pull-off and peel strength requirements . 11 Table 6 Dimensional stability . 12 Table 7 Size tolerances for cut panels . 12 Table 8 Rectangularity of cut panels 13 Table 9 Flexural strength require

28、ments 14 Table 10 Flammability requirements . 14 Table 11 Water absorption requirements 15 Table 12 Measling requirements 15 Table 13 Glass transition temperature and cure factor requirements 15 Table 14 Decomposition temperature requirements 16 Table 15 Thermal resistance requirements . 16 Table 16

29、 Z-axis expansion requirements 16 Table B.1 Thickness 21 Table C.1 Qualification and conformance testing . 23 4 61249-2-39 IEC:2012 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-39: Reinforced base materials clad and unclad High

30、performance epoxide and non-epoxide, woven E-glass 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 standardization comprising all national electrotechni

31、cal 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 International Standards, Technical Specifications,

32、Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, gove

33、rnmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions

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35、nal use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order t

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37、 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 services carried out by independent certification bodi

38、es. 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 National Committees for any personal injury, property

39、 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) Attention is drawn to the Normative references cited in this

40、 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 shall not be held responsible for identifying any or

41、all such patent rights. International Standard IEC 61249-2-39 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 91/1052/FDIS 91/1065/RVD Full information on the voting for the approva

42、l of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 61249-2-39 IEC:2012 5 A list of all parts of the IEC 61249 series, under the general title Materials for printed boards and other

43、 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 related to the specific publication. At this date, the

44、publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 61249-2-39 IEC:2012 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-39: Reinforced base materials clad and unclad High performance epoxide and non-epoxide, woven E-glass laminate sheets

45、of defined flammability (vertical burning test), copper-clad for lead-free assembly 1 Scope This part of IEC 61249 specifies requirements for properties of modified brominated epoxide woven E-glass laminated sheet of a thickness 0,05 mm up to 3,2 mm, of defined flammability (vertical burning test),

46、copper-clad. The glass transition temperature is defined to be 170 C minimum. Its flame resistance is defined in terms of the flammability requirements of 7.3. Some property requirements may have several classes of performance. The class desired should be specified on the purchase order, otherwise t

47、he default class of material will be supplied. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition

48、of the referenced document (including any amendments) applies. IEC 61189-2:2006, Test methods for electrical materials, printed boards and other interconnection structures and assemblies Part 2: Test methods for materials and other interconnection structures IEC 61249-5-1:1995, Materials for interco

49、nnection structures Part 5: Sectional specification set for conductive foils and films with or without coatings Section 1: Copper foils (for the manufacture of copper-clad base materials) IEC/PAS 61249-6-3:2011, Specification for finished fabric woven from E-glass for printed boards ISO 11014:2009, Safety data sheet for chemical products Content and order of sections 3 M