IEC 61249-2-37-2008 Materials for printed boards and other interconnecting structures - Part 2-37 Reinforced base materials clad and unclad - Modified non-halogenated epoxide woven.pdf

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1、 IEC 61249-2-37Edition 1.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEMaterials for printed boards and other interconnecting structures Part 2-37: Reinforced base materials, clad and unclad Modified non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burnin

2、g test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-37: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies en tissu de verre de type E poxyde modifi non halogn, plaques cuivre, dinflammabilit dfinie (essai de combu

3、stion verticale) pour les assemblages sans plomb IEC61249-2-37:2008 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland 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 me

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17、ion ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.chTl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61249-2-37Edition 1.0 2008-11INTERNATIONAL STANDARD NORME INTERNATIONALEMaterials for printed boards and other interconnecting structures Part 2-37:

18、 Reinforced base materials, clad and unclad Modified non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly Matriaux pour circuits imprims et autres structures dinterconnexion Partie 2-37: Matriaux de base renforcs, p

19、laqus et non plaqus Feuilles stratifies en tissu de verre de type E poxyde modifi non halogn, plaques cuivre, dinflammabilit dfinie (essai de combustion verticale) pour les assemblages sans plomb INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE TICS 31.180 PRICE C

20、ODECODE PRIXISBN 2-8318-1018-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61249-2-37 IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references6 3 Materials and construction 6 3.1 Resin system.6 3.2 Metal f

21、oil .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 6.1.3 Scratches 8 6.1.4 Raised areas .8 6.1.5 Surface waviness.9 6.2 App

22、earance 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 machining11 6.7 Dimensional stability11 6.8 Sheet sizes11 6.8.1 Typical sheet sizes 11 6.8.2 Tolerances for sheet sizes .12 6.9 Cut panels.12 6.9.1 Cut panel si

23、zes 12 6.9.2 Size tolerances for cut panels 12 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 7.2 Flexural strength13 7.3 Flammability13 7.4 Water absorption .14 7.5

24、 Measling14 7.6 Glass transition temperature and cure factor14 7.7 Decomposition temperature .14 7.8 Thermal resistance 15 7.9 Z-axis expansion .15 8 Quality assurance .15 8.1 Quality system .15 8.2 Responsibility for inspection.15 8.3 Qualification inspection15 8.4 Quality conformance inspection .1

25、6 8.5 Certificate of conformance.16 61249-2-37 IEC:2008 3 8.6 Safety data sheet.16 9 Packaging and marking.16 10 Ordering information .16 Annex A (informative) Engineering information .18 Annex B (informative) Common laminate constructions.20 Annex C (informative) Guideline for qualification and con

26、formance inspection.21 Bibliography22 Table 1 Electrical properties .7 Table 2 Nominal thickness and tolerance of metal-clad laminate.9 Table 3 Bow and twist 10 Table 4 Pull-off and peel strength .10 Table 5 Dimensional stability11 Table 6 Size tolerances for cut panels 12 Table 7 Rectangularity of

27、cut panels.12 Table 8 Flexural strength13 Table 9 Flammability 13 Table 10 Water absorption .14 Table 11 Measling14 Table 12 Glass transition temperature and cure factor 14 Table 13 Decomposition temperature .15 Table 14 Thermal resistance 15 Table 15 Z-axis expansion15 4 61249-2-37 IEC:2008 INTERNA

28、TIONAL ELECTROTECHNICAL COMMISSION _ MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-37: Reinforced base materials, clad and unclad Modified non-halogenated epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assem

29、bly FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in

30、 the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrust

31、ed to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the Internati

32、onal Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each

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34、 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 to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in thei

35、r national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declare

36、d to be in conformity with an IEC Publication. 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 C

37、ommittees 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) Attention is draw

38、n 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 shall not

39、be held responsible for identifying any or all such patent rights. International Standard IEC 61249-2-37 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 91/811/FDIS 91/833/RVD Full

40、information on the voting for the approval 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. 61249-2-37 IEC:2008 5 A list of all parts of the IEC 61249 series, under the general tit

41、le 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 maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data relat

42、ed to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 61249-2-37 IEC:2008 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-37: Reinforced base materials, clad and unclad Modified non-halogena

43、ted epoxide woven E-glass 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 modified non-halogenated epoxide woven E-glass laminate sheet 0,05 mm up to 3,2 mm, of defined flammabilit

44、y (vertical burning test), copper-clad. The glass transition temperature is defined to be 150 C to 200 C. 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

45、 purchase order, otherwise the default class of material will be supplied. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referen

46、ced 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 method for interconnection structures IEC 61249-5-1:1995, Materials for interconnection structures Part 5: Section

47、al specification set for conductive foils and films with and without coatings Section 1: Copper foils (for the manufacture of copper-clad base materials) ISO 9000, Quality management systems Fundamentals and vocabulary ISO 11014-1, Safety data sheet for chemical products Part 1: Content and order of

48、 sections ISO 14001, Environmental management systems Requirements with guidance for use 3 Materials and construction The sheet consists of an insulating base with metal-foil bonded to one side or both. 3.1 Resin system Majority di-functional non-halogenated epoxide, modified non-halogenated epoxide

49、, woven E-glass laminate with a glass transition temperature of 150 C to 200 C. The flammability rating is achieved through the use of non-halogenated flame retardants reacted into the polymer. Inorganic fillers may be used. Contrast agents may be added to enhance processing such as automated optical inspection (AOI). 61249-2-37 IEC:2008 7 The ma