EN 61249-2-40-2013 en Materials for printed boards and other interconnecting structures - Part 2-40 Reinforced base materials clad and unclad - High performance non-halogenated epo.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationMaterials for printed boards and other interconnecting structuresPart 2-40: Reinforced base materials clad and unclad High performance, non-halogenated epoxide woven E-glass lami

2、nate sheets of defined flammability (vertical burning test), copper-clad for lead-free assemblyBS EN 61249-2-40:2013National forewordThis British Standard is the UK implementation of EN 61249-2-40:2013. It is identical to IEC 61249-2-40:2012.The UK participation in its preparation was entrusted to T

3、echnical Committee EPL/501, Electronic assembly technology 1 065 mm 1 155 mm; 1 065 mm 1 280 mm; 1 000 mm 1 000 mm; 1 000 mm 1 200 mm. 6.8.2 Tolerances for sheet sizes The size of sheet delivered by the supplier shall not deviate more that +20/0 mm from the ordered size. 6.9 Cut panels 6.9.1 Cut pan

4、el sizes Cut panel sizes shall be, when delivered, in accordance with the purchasers specification. 6.9.2 Size tolerances for cut panels For panels cut to size according to the purchasers specification, the following tolerances for length and width shall apply as shown in Table 7. Tolerances indicat

5、ed as normal shall be in effect unless otherwise specified by in the purchasing specification. Table 7 Size tolerances for cut panels Panel size mm Tolerance requirement mm Normal Close 300 2,0 0,5 300 600 2,0 0,8 600 2,0 1,6 NOTE The specified tolerances include all deviations caused by cutting the

6、 panels. 6.9.3 Rectangularity of cut panels For panels cut to size according to the purchasers specification, the following requirements for rectangularity shall apply as shown in Table 8. Tolerance indicated as normal shall be in effect unless otherwise specified in the purchasing specification. Ta

7、ble 8 Rectangularity of cut panels Property Test method IEC 61189-2 Requirements mm/m Normal Close Rectangularity of cut panels 2M23 3 2 BS EN 61249-2-40:201361249-2-40 IEC:2012 13 7 Non-electrical properties of the base material after complete removal of the copper foil 7.1 Appearance of the dielec

8、tric base material The etched specimens shall be inspected to verify that no surface or subsurface imperfections of the dielectric material exceed those shown below. The panels shall be inspected using an optical aid apparatus which provides a minimum magnification of 4X. Referee inspection shall be

9、 conducted at 10X magnification. Lighting conditions of inspection shall be appropriate for the material under inspection or as agreed upon between user and supplier. Surface and subsurface imperfections (such as weave texture, resin starvation, voids, foreign inclusions) shall be acceptable provide

10、d that the imperfections meet the following: the reinforcement fibres are not cut or exposed; the foreign inclusions are not conductive; the imperfections do not propagate as a result of thermal stress; the foreign inclusions are translucent; opaque foreign fibres are less than 15 mm in length and a

11、verage no more than 1,0 per 300 mm 300 mm area; opaque foreign inclusions other than fibres shall not exceed 0,50 mm. Opaque foreign inclusions less than 0,15 mm shall not be counted. Opaque foreign inclusions between 0,50 mm and 0,15 mm shall average no more than two spots per 300 mm 300 mm area; v

12、oids (sealed voids or surface voids) have a longest dimension less than 0,075 mm and there should not be more than three voids in a 3,5 mm diameter circle. 7.2 Flexural strength When the laminate is tested in accordance with test method 2M20 of IEC 61189-2 the flexural strength shall be as shown in

13、Table 9. Table 9 Flexural strength requirements Property Test method IEC 61189-2 Requirements Flexural strength: Length direction Cross-direction (applicable to sheets 1,0 mm in thickness) 2M20 400 N/mm2300 N/mm2Flexural strength: Length direction Elevated temperature (applicable to sheets 1,0 mm in

14、 thickness) Not specified 7.3 Flammability When the laminate is tested in accordance with test method 2C08 (thickness 0,05 0,3 mm) or 2C06 (thickness 0,3 3,2 mm) of IEC 61189-2 the flammability shall be as shown in Table 10. The performance labelled V-0 shall be in effect unless otherwise noted on t

15、he purchase order. BS EN 61249-2-40:2013 14 61249-2-40 IEC:2012 Table 10 Flammability requirements Property Test method IEC 61189-2 Requirements Designation V-0 Flammability: Flaming combustion time after each application of the flame for each test specimen Total flaming combustion time for the 10 f

16、lame applications for each set of five specimens Glowing combustion time after the second removal of the test flame Flaming or glowing combustion up to the holding clamp Dripping flaming particles that ignite the tissue paper 2C06 10 s 50 s 30 s None None 7.4 Water absorption When the laminate is te

17、sted in accordance with test method 2N02 of IEC 61189-2 the maximum water absorption shall be as shown in Table 11. Table 11 Water absorption requirements Property Test method IEC 61189-2 Thickness mm Requirements % Water absorption 2N02 0,05 Tg) 250 ppm/C Specific heat capacity 1,25 kJ/(kgC) Therma

18、l conductivity 0,3 W/(mC) UL temperature index (mechanical) 130 C UL temperature index (electrical) 130 C Maximum operating temperature (MOT) 130 C BS EN 61249-2-40:2013 20 61249-2-40 IEC:2012 Annex B (informative) Common laminate constructions Table B.1 gives the nominal thicknesses. Table B.1 Thic

19、kness Nominal thickness mm Common construction 0,075 1 080 0,080 2 106 0,100 2 106 0,100 2 113 0,100 2 116 0,125 2 116 0,125 2 165 0,125 2 1 080 0,15 2 157 0,15 2 165 0,16 1 500 0,18 7 628 0,18 1 500 0,20 2 2 113 0,20 2 2 116 0,20 7 628 0,25 2 2 116 0,25 2 2 165 0,26 1 080/2 116/1 080 0,30 2 2 157 0

20、,30 2 2 165 0,30 2 116/2 112/2 116 0,30 1 080/7 628/1 080 0,36 2 7 628 0,37 2 113/7 628/2 113 0,38 1 500/1 080/1 500 0,41 7 628/1 080/7 628 0,43 2 116/7 628/2 116 0,45 3 1 500 0,46 7 628/2 112/7 628 0,48 7 628/2 116/7 628 0,51 7 628/2 165/7 628 0,51 1 080/2 7 628/1 080 0,54 3 7 628 BS EN 61249-2-40:

21、201361249-2-40 IEC:2012 21 Nominal thickness mm Common construction 0,61 3 7 628/1 080 0,61 2 116/2 7 628/2 116 0,66 7 628/2 2 165/7 628 0,67 7 628/2 1 500/7 628 0,74 4 7 628 0,74 2 113/3 7 628/2 113 0,80 4 7 628/1 080 0,90 5 7 628 1,08 6 7 628 1,46 8 7 628 NOTE Prepreg made from a specific style of

22、 glass used in different constructions may have different resin contents. BS EN 61249-2-40:2013 22 61249-2-40 IEC:2012 Annex C (informative) Guideline for qualification and conformance inspection See Table C.1 for qualification and conformance testing. Table C.1 Qualification and conformance testing

23、 Property Test method IEC 61189-2 Qualification testing Conformance testing Conformance frequency Peel strength after thermal shock 2M14 Yes Yes Lot Peel strength at 125 C 2M15 Yes Yes Quarterly Peel strength after solvent vapour 2M06 Yes Yes Quarterly Peel strength after simulated plating 2M16 Yes

24、No Pull off strength 2M05 Yes No Dimensional stability 2X02 Yes Yes Monthly Flexural strength 2M20 Yes Yes Annually Flammability 2C06 Yes Yes Monthly Thermal stress, unetched 2C05 Yes Yes Lot Solderability 2MXX Yes No Glass transition temperature 2M11 Yes Yes Monthly Cure factor 2M03 Yes Yes Monthly

25、 Permittivity at 1 MHz, as received 2E10 Yes Yes Monthly Decomposition temperature 2MXX Yes Yes Annually Time to delamination (TMA) 2MXX Yes Yes Quarterly Thermal resistance 2MXX Yes Yes Quarterly Z-Axis expansion 2MXX Yes Yes Quarterly Dissipation factor at 1 MHz, as received 2E10 Yes Yes Monthly S

26、urface resistance after damp heat/recovery 2E03 Yes Yes Annually Volume resistance after damp heat/recovery 2E04 Yes Yes Annually Arc resistance 2E14 Yes Yes Annually Dielectric breakdown 2E15 Yes Yes Quarterly Electric strength 2E11 Yes Yes Quarterly Water absorption 2N02 Yes Yes Quarterly Bow and

27、twist 2M01 Yes Yes Lot Surface waviness 2M12 Yes No Appearance of the dielectric base material See 7.1 Yes Yes Lot NOTE Users of this standard are encouraged to supply information to be included in the annex. BS EN 61249-2-40:201361249-2-40 IEC:2012 23 Bibliography IEC 60194:2006, Printed board desi

28、gn, manufacture and assembly Terms and definitions ISO 9000:2005, Quality management systems Fundamentals and vocabulary ISO 14001:2004, Environmental management systems Requirements with guidance for use _ BS EN 61249-2-40:2013This page deliberately left blankThis page deliberately left blankBSI is

29、 the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisat

30、ion products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and

31、PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical com

32、mittee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automa

33、tically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international and f

34、oreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant international standard, unless otherwise requested.Inf

35、ormation on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: BSI Subscribing Members are kept up to date with standards developments and receive substantial discount

36、s on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards and PASs via British Standards Online can be found at information about

37、British Standards is available on the BSI website at www.bsi- the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that own copyright in the information used (such as the international st

38、andardisation bodies) has formally licensed such information to BSI for commerical publication and use. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying

39、, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Department.Tel: +44 (0)20 8996 7070Email:

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