1、BRITISH STANDARDBS EN61249-2-11:2003Incorporating Corrigendum No. 1Materials for printed boards and other interconnecting structures Part 2-11: Reinforced base materials, clad and unclad Polyimide, brominated epoxide modified or unmodified, woven E-glass reinforced laminated sheets of defined flamma
2、bility (vertical burning test), copper-cladThe European Standard EN 61249-2-11:2003 has the status of a British StandardICS 31.180g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g5
3、1g60g53g44g42g43g55g3g47g36g58BS EN 61249-2-11:2003This British Standard was published under the authority of the Standards Policy and Strategy Committee on 19 February 2004 BSI 2006ISBN 0 580 43423 0National forewordThis British Standard is the official English language version of EN 61249-2-11:200
4、3, including Corrigendum July 2005. It is identical with IEC 61249-2-11:2003.The UK participation in its preparation was entrusted to Technical Committee EPL/501, Electronic assembly technology, which has the responsibility to: A list of organizations represented on this committee can be obtained on
5、 request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BS
6、I Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirer
7、s to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comp
8、rises a front cover, an inside front cover, the EN title page, pages 2 to 24, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date Comments16316 Corrigendum No. 130 June
9、2006 Caution added to CENELEC forewordEUROPEAN STANDARD EN 61249-2-11 NORME EUROPENNE EUROPISCHE NORM December 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: ru
10、e de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61249-2-11:2003 E ICS 31.180 Incorporates Corrigendum July 2005English version Materials for printed boards and other interconnecting structu
11、res Part 2-11: Reinforced base materials, clad and unclad Polyimide, brominated epoxide modified or unmodified, woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad (IEC 61249-2-11:2003) Materiaux pour circuits imprims et autres structures dinterconn
12、exion Partie 2-11: Matriaux de base renforcs, plaqus et non plaqus Feuilles stratifies renforces en polyimide et tissu de verre de type E poxyde brom modifi ou non modifi, dinflammabilit dfinie (essai de combustion verticale), plaques cuivre (CEI 61249-2-11:2003) Materialien fr Verbindungsstrukturen
13、 Teil 2-11: Kaschierte und unkaschierte verstrkte Basismaterialien Kupferkaschierte mit E-Glasgewebe verstrkte Laminattafeln auf der Basis von Polyimid und bromiertem Epoxidharz, modifiziert oder nicht-modifiziert, mit definierter Brennbarkeit (Brennprfung mit vertikaler Prflingslage) (IEC 61249-2-1
14、1:2003) This European Standard was approved by CENELEC on 2003-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliogr
15、aphical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility o
16、f a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy
17、, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Page 2EN 61249211:2003Foreword The text of document 91/412/FDIS, future edition 1 of IEC 61249-2-11, prepared by IEC TC 91, Electronics assembly technology, was submitted to the IE
18、C-CENELEC parallel vote and was approved by CENELEC as EN 61249-2-11 on 2003-12-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2004-09-01 latest date by which the nationa
19、l standards conflicting with the EN have to be withdrawn (dow) 2006-12-01 CAUTION: EC directives including RoHS and WEEE may limit the use of some substances and this should be taken into account when applying this European Standard. Annexes designated “normative“ are part of the body of the standar
20、d. Annexes designated “informative“ are given for information only. In this standard, annex ZA is normative and annexes A, B and C are informative. Annex ZA has been added by CENELEC. The contents of the corrigendum of July 2005 have been included in this copy. _ Endorsement notice The text of the I
21、nternational Standard IEC 61249-2-11:2003 was approved by CENELEC as a European Standard without any modification. _ CONTENTS 1 Scope.5 2 Normative references5 3 Materials and construction 5 4 Internal marking6 5 Electrical properties 6 6 Non-electrical properties of the copper-clad laminate 7 6.1 A
22、ppearance of the copper-clad sheet.7 6.2 Appearance of the unclad face.8 6.3 Laminate thickness8 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 6.9 Cut panels .11 7 Non-electrical properties of the base
23、 material after complete removal of the copper foil.12 7.1 Appearance of the dielectric base material.12 7.2 Flexural strength13 7.3 Flammability 13 7.4 Water absorption .14 7.5 Measling15 7.6 Glass transition temperature and cure factor15 8 Quality assurance .15 8.1 Quality system .15 8.2 Responsib
24、ility for inspection.15 8.3 Qualification inspection15 8.4 Quality conformance inspection .16 8.5 Certificate of conformance.16 8.6 Safety data sheet.16 9 Packaging and marking.16 10 Ordering information .17 Annex A (informative) Engineering information .18 Annex B (informative) Common laminate cons
25、tructions.20 Annex C (informative) Guideline for qualification and conformance inspection.22 Annex ZA (normative) Normative references to international publications with their corresponding European publications23 Bibliography24 Table 1 Electrical properties .6 Table 2 Nominal thickness and toleranc
26、e of metal-clad laminate.9 Table 3 Bow and twist 9 Page 3EN 61249211:2003Table 4 Pull-off and peel strength .10 Table 5 Dimensional stability 11 Table 6 Size tolerance for cut panels12 Table 7 Rectangularity of cut panels .12 Table 8 Flexural strength13 Table 9 Flammability 14 Table 10 Water absorpt
27、ion .14 Table 11 Measling15 Table 12 Glass transition temperature and cure factor 15 Table C.1 Guideline for qualification and conformance inspection .22 Page 4EN 61249211:2003MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES Part 2-11: Reinforced base materials, clad and unclad Poly
28、imide, brominated epoxide modified or unmodified, woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad 1 Scope This part of IEC 61249 gives requirements for properties of polyimide, brominated epoxide modified or unmodified, woven E-glass laminated s
29、heets, in thickness of 0,05 mm up to 3,2 mm, of defined flammability (vertical burning test), copper-clad. The flammability rating is achieved through the use of brominated fire retardants contained as an integral part of the epoxide polymeric structure if present. The glass transition temperature i
30、s defined to be 190 C minimum. Some property requirements may have several classes of performance. The class desired needs to be specified on the purchase order otherwise the default class of material may be supplied. 2 Normative references The following referenced documents are indispensable for th
31、e 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 61189-2:1997, Test methods for electrical materials, interconnection structures and assemblies Part 2: T
32、est method for interconnection structures IEC 61249-5-1:1995, Materials for interconnection structures Part 5: Sectional specification set for conductive foils and films with or without coatings Section 1: Copper foil (for the manufacture of copper-clad base materials) ISO 9000:2000, Quality managem
33、ent systems Fundamentals and vocabulary ISO 11014-1:1994, Safety data sheet for chemical products Part 1: Content and order of sections ISO 14001:1996, Environmental management systems Specification with guidance for use 3 Materials and construction The sheet consists of an insulating base with meta
34、l-foil bonded to one side or both. Page 5EN 61249211:20033.1 Resin system Polyimide, brominated epoxide modified or unmodified, resulting in a laminate with a glass transition temperature of 190 C minimum. Contrast agents may be added to enhance processing such as automated optical inspection (AOI).
35、 Its flame resistance is defined in terms of the flammability requirements of 7.3. 3.2 Reinforcement Woven E-glass as specified in IEC 61249-6-3, woven E-glass fabric (for the manufacture of prepreg and copper clad materials). 3.3 Metal foil Copper as specified in IEC 61249-5-1, copper foil (for the
36、 manufacture of copper-clad materials). The preferred foils are electrodeposited of defined ductility. 4 Internal marking Not specified. 5 Electrical properties The requirements for the electrical properties are shown in Table 1. Table 1 Electrical properties Property Test method (IEC 61189-2) Requi
37、rement Resistance of foil 2E12 As specified in IEC 61249-5-1 Surface resistance after damp heat while in the humidity chamber (optional) 2E03 10 000 M Surface resistance after damp heat and recovery 2E03 50 000 M Volume resistivity after damp heat while in the humidity chamber (optional) 2E04 10 000
38、 Mm Volume resistivity after damp heat and recovery 2E04 50 000 Mm Relative permittivity after damp heat and recovery at 1 MHz 2E10 5,4 Dissipation factor after damp heat and recovery at 1 MHz 2E10 0,035 Electric strength (only for material thicknesses 0,10 0,15 0,15 0,30 0,30 0,50 0,50 0,80 0,80 1,
39、00 1,00 1,30 0,80 1,00 1,00 1,30 1,30 1,70 1,70 2,10 2,10 2,60 2,60 3,20 0,03 0,04 0,05 0,08 0,09 0,13 0,17 0,20 0,23 0,25 0,30 0,02 0,03 0,04 0,05 0,06 0,09 0,11 0,13 0,15 0,18 0,20 0,01 0,02 0,03 0,04 0,05 0,07 0,08 0,10 0,12 0,15 0,15 The thicknesses and tolerances do not apply to the outer 25 mm
40、 of the trimmed sheet or the outer 13 mm of the cut-to-size panel as manufactured and delivered by the supplier. At no point shall the thickness vary from the nominal by a value greater than 125 % of the specified tolerance. 6.4 Bow and twist When the copper-clad laminate is tested in accordance wit
41、h test method 2M01of IEC 61189-2, the bow and twist shall not exceed the values given in Table 3. Table 3 Bow and twist Requirement % Property Test method (IEC 61189-2) Nominal thickness mm Panel dimension longest side mm Copper foil on one side Copper foil on both sides 0,8 1,3 350 350 500 500 2,0
42、1,8 1,5 1,5 1,3 1,0 1,3 1,7 350 350 500 500 1,5 1,3 1,0 1,0 0,8 0,5 Bow and twist 2M01 1,7 3,2 350 350 500 500 1,0 0,8 0,5 0,5 0,4 0,3 NOTE The requirements for bow and twist apply only to one-sided copper-clad laminates with maximum foil thickness of 105 m (915 g/m2) and double-sided copper-clad la
43、minates with maximum foil thickness difference of 70 m (610 g/m2). Requirements for laminates with copper foil configurations beyond these limits are subject to agreement between purchaser and supplier. Page 9EN 61249211:20036.5 Properties related to the copper foil bond Pull-off and peel strength r
44、equirements are shown in Table 4. These requirements apply to copper foil with a normal profile depth. In the case of low or very low profile copper foil, the requirements shall be at least 50 % of that shown in Table 4 as a minimum. Table 4 Pull-off and peel strength Property Test method (IEC 61189
45、-2) Requirement 25 N Thickness of the copper foil Pull-off strength 2M05 12 m (101 g/m2) 18 m (152 g/m2) 35 m (305 g/m2) 70 m (610 g/m2) 0,6 N/mm 0,8 N/mm 1,0 N/mm 1,1 N/mm Peel strength after heat shock of 20 s 2M14 No blistering or delamination 0,4 N/mm 0,6 N/mm 0,8 N/mm 1,0 N/mm Peel strength aft
46、er dry heat 175 C 2M15 No blistering or delamination 0,4 N/mm 0,6 N/mm 0,8 N/mm 1,0 N/mm Peel strength after exposure to solvent vapour. Solvents as agreed upon between purchaser and supplier 2M06 No blistering or delamination 0,5 N/mm 0,7 N/mm 1,1 N/mm 1,4 N/mm Peel strength after simulated plating
47、 2M16 No blistering or delamination Peel strength at high temperature Temperature 125 C (optional) Temperature 260 C (optional) 2M17 0,4 N/mm Not specified 0,6 N/mm Not specified 0,8 N/mm Not specified 1,0 N/mm Not specified Blistering after 20 s heat shock 2C05 No blistering or delamination NOTE In
48、 case of difficulty due to breakage of the foil or reading range of the force-measuring device, the measurement of peel strength at high temperature may be carried out using conductor widths of more than 3 mm. 6.6 Punching and machining Punching is not applicable. The laminate shall, in accordance w
49、ith the manufacturers recom-mendations, be capable of being sheared or drilled. Delamination at the edges due to the shearing process is permissible, provided that the depth of delamination is not larger than the thickness of the base material. Delamination at the edges of drilled holes due to the drilling process is not permissible. Drilled holes shall be capable of being through-plated
