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本文(BS EN 61249-5-4-1997 Materials for interconnection structures - Sectional specification set for conductive foils and films with and without coatings - Conductive inks《内部连接结构材料 有或无涂.pdf)为本站会员(twoload295)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 61249-5-4-1997 Materials for interconnection structures - Sectional specification set for conductive foils and films with and without coatings - Conductive inks《内部连接结构材料 有或无涂.pdf

1、BRITISH STANDARD BS EN 61249-5-4:1997 IEC 1249-5-4: 1996 Materials for interconnection structures Part 5: Sectional specification set for conductive foils and films with or without coatings Section 4: Conductive inks The European Standard EN 61249-5-4:1996 has the status of a British Standard ICS 31

2、.180BSEN 61249-5-4:1997 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board, was published underthe authority of the Standards Board and comes intoeffect on 15 May1997 BSI 09-1999 The following BSI references relate to the work on this standard: Commit

3、tee reference EPL/52 Draft for comment 93/210559 DC ISBN 0 580 27317 2 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee EPL/52, Printed circuits, upon which the following bodies were represented: Federation of the Electron

4、ics Industry GAMBICA (BEAMA Ltd.) National Supervising Inspectorate (BSI PC) Printed Circuit Interconnection Federation Surface Mount and Related Technologies (SMART Group) Amendments issued since publication Amd. No. Date CommentsBSEN 61249-5-4:1997 BSI 09-1999 i Contents Page Committees responsibl

5、e Inside front cover National foreword ii Foreword 2 Text of EN 61249-5-4 3 List of references Inside back coverBSEN 61249-5-4:1997 ii BSI 09-1999 National foreword This British Standard has been prepared by Technical Committee EPL/52, and is the English language version of EN61249-5-4:1996 Material

6、s for interconnection structures Part 5: Sectional specification set for conductive foils and films with or without coatings Section 4: Conductive inks, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC1249-5-4:1996 published by the Internat

7、ional Electrotechnical Commission (IEC). This British Standard is published under the direction of the Electrotechnical Sector Board whose Technical Committee EPL/52 has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enqui

8、ries on interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. NOTEInternational and European Standards, as well as overseas standards, are available from Customer Services, BSI, 389 Chiswick Hig

9、h Road, London W4 4AL. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references P

10、ublication referred to Corresponding British Standard EN 60068-2-2 (IEC 68-2-2:1974) BS EN 60068 Environmental testing BS EN 60068-2 Test methods BS EN 60068-2-2:1993 Tests B. Dry heat HD 323.2.3 S2 (IEC 68-2-3:1969) BS 2011 Environmental testing Part 2.1 Tests Part 2.1Ca:1977 Test Ca. Damp heat, st

11、eady state HD 323.2.20 S3 (IEC 68-2-20:1979) Part 2.1T:1981 Test T. Soldering Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 10, an inside back cover and a back cover. This standard has been updated (see copyright date) and

12、 may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61249-5-4 August 1996 ICS 31.180 Descriptors: Materials for interconnection structures, sectional specification, conductive foils and fi

13、lms, conductive inks, requirements English version Materials for interconnection structures Part 5: Sectional specification set for conductive foils and films with or without coatings Section 4: Conductive inks (IEC 1249-5-4:1996) Matriaux pour les structures dinterconnexion Partie 5: Collection de

14、spcifications intermdiaires pour feuilles et films conducteurs avec ou sans revtement Section 4: Encres conductrices (CEI 1249-5-4:1996) Materialien fr Verbindungsstrukturen Teil 5: Rahmenspezifikationen fr leitfhige Folien und Filme mit oder ohne Beschichtungen Hauptabschnitt 4: Leitfhige Druckfarb

15、en (IEC 1249-5-4:1996) This European Standard was approved by CENELEC on 1996-07-02. 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 lis

16、ts and bibliographical 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 r

17、esponsibility of 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembou

18、rg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels

19、1996 Copyright reserved to CENELEC members Ref. No. EN 61249-5-4:1996 EEN 61249-5-4:1996 BSI 09-1999 2 Foreword The text of document 52/602/FDIS, future edition1 of IEC1249-5-4, prepared by IECTC52, Printed circuits, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN612

20、49-5-4 on 1996-07-02. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. Annexes designated “informative” are given for information only. In this standard, Annex A and Annex ZA are normative and Annex B and Annex C are informative. Annex ZA has been

21、added by CENELEC. Endorsement notice The text of the International Standard IEC1249-5-4:1996 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Requirements 3 3.1 Storage properties 3 3.2 Containers and their marking

22、s 3 3.3 Electrical properties 3 3.4 Non-electrical properties 4 Annex A (normative) Test pattern for insulation resistance measurement 5 Annex B (informative) Conversion table 6 Annex C (informative) Bibliography 9 Annex ZA (normative) Normative references to international publications with their co

23、rresponding European publications 10 latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1997-04-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 1997-04-01EN 612

24、49-5-4:1996 BSI 09-1999 3 1 Scope This specification details requirements for the qualification of conductive inks, and for conductive inks intended for use as a substitute for metallic finishes on contacts. Information in this specification will also provide guidance regarding the suitability of pr

25、inted boards which feature conductive inks. Requirements for the release of products using conductive inks should be included in the customer detail specification (CDS). 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute prov

26、isions of this section of IEC1249-5. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this section of IEC1249-5 are encouraged to investigate the possibility of applying the most recent editions of the

27、normative documents indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 68-2-2:1974, Environmental testing Part 2: Tests Test B: Dry heat. IEC 68-2-3:1969, Basic environmental testing procedures Part 2: Tests Test Ca: Damp heat, steady state. IE

28、C 68-2-20:1979, Environmental testing Part 2: Tests Test T: Soldering. 3 Requirements 3.1 Storage properties Conductive inks, or their component compounds, when stored in their original sealed containers under the suppliers specified environmental conditions, shall retain the specified properties un

29、til the final date for use see 3.2 b). 3.2 Containers and their markings The conductive ink shall be supplied in sound, clean, dry containers. In addition to any statutory markings, each container in the consignment shall be clearly marked with the following: a) the type; b) the specified storage te

30、mperature and humidity or range thereof, and a final date for use; c) details of mixing and curing conditions; d) a distinct lot or batch number, and date of manufacture; e) the quantity in the container; f) the identity of the manufacturer and place of manufacture. 3.3 Electrical properties 3.3.1 B

31、ulk resistance The bulk resistance of the cured conductive ink shall not exceed the suppliers stated maximum. This should be stated in ohms per square. 3.3.2 Contact resistance When tested in accordance with future IEC1189-2 1) , test 2E16, the contact resistance shall not exceed1007, unless otherwi

32、se permitted by the customers detail specification (CDS). 3.3.3 Insulation resistance between conductive patterns When tested in accordance with the conditions given in Table 1, the insulation resistance between discrete conductive patterns shall not be less than100M7, unless otherwise stated in the

33、 customers detail specification (CDS). The test specimens shall be in accordance with Annex A of this specification. A minimum of three samples shall be taken. Specimens so tested shall exhibit no electromigration when examined with an approximately10x magnification. Table 1 Test conditions 1) See A

34、nnex C (Bibliography). Material Test conditions Test environment Storage duration Polarisation voltage (=) days V Paper/phenolic % RH 4 (40 2) C Other substrates % RH 21 100 (40 2) C 93 +2 3 93 +2 3 EN 61249-5-4:1996 4 BSI 09-1999 3.4 Non-electrical properties 3.4.1 Finish The conductive ink, when p

35、rocessed in accordance with the manufacturers instructions, shall produce a visually smooth, uniform film with well defined edges; and without surplus flow or bleed-out. 3.4.2 Adhesion (pressure sensitive tape method) The material shall be tested in accordance with future IEC1189-3 2) , test 3X12. W

36、hen processed in accordance with the material suppliers instructions, there shall be no evidence of conductive ink particles adhering to the tape. There shall be no separation between the conductive ink and the underlying materials. 3.4.3 Resistance to solvents, fluxes and soldering The cured conduc

37、tive ink shall not exhibit a degradation in surface characteristics, such as surface roughness, swelling, blistering, softening, and change of colour, or loss of adhesion when tested in accordance with test method 3C04 of future IEC1189-3, including the soldering operation. The flux shall be an acti

38、vated flux (0,2%) as specified in6.6.2 of IEC68-2-20. The test specimen shall be a production board, as agreed between customer and supplier. Three samples shall be taken. 3.4.4 High temperature storage The cured conductive ink shall not exhibit blistering, loss of adhesion, or cracking when subject

39、ed to testing in accordance with test2P01 of future IEC1189-2. The test specimen shall be a production board, as agreed between customer and supplier. Three samples shall be taken. The storage duration shall be 56 days. The complete test board shall be subjected to (100 2) C. The test board shall be

40、 supported during conditioning so that any bow or twist shall not prejudice the test result. 3.4.5 Degree of cure When tested in accordance with future IEC1189-3, test3M09, there shall be no softening or transfer of the material (other than free surface debris) to the lint-free cloth or cotton wool

41、swab. 3.4.6 Abrasion resistance (pencil hardness) The hardness of the cured conductive ink shall be determined by the pencil test in accordance with future IEC1189-3, test3M08. The ink supplier shall report the limits of hardness that can be expected when the conductive ink is properly applied and c

42、ured. When agreed between customer and supplier, specific requirements regarding hardness shall be met, but in no case shall be less than 2H. 3.4.7 Flammability The addition of a coating of conductive ink to a printed board shall not reduce the flammability rating (for example: FV-0, FV-1) of the pr

43、inted board base material. 2) See Annex C (Bibliography).EN 61249-5-4:1996 BSI 09-1999 5 Annex A (normative) Test pattern for insulation resistance measurementEN 61249-5-4:1996 6 BSI 09-1999 Annex B (informative) Conversion table IEC publication number Test method number Description Current IEC publ

44、ication number Test method number IEC 1189-1 1P01 Preconditioning, standard atmospheric conditioning IEC 326/9.1.1 18a IEC 1189-1 1P02 Preconditioning, 125 C IEC 326/9.1.2 18b IEC 1189-1 1P03 Accelerated ageing, steam/oxygen IEC 326/9.4 20a IEC 1189-2 2C01 Resistance to sodium hydroxide IEC 1189-2 2

45、C02 Gel time of prepregnation IEC 1189-2 2C03 Resin content of prepregnation by treated weight IEC 1189-2 2C04 Volatile content of prepregnation IEC 1189-2 2C05 Blistering after thermal shock IEC 249/3.7 IEC 1189-2 2C06 Flammability, vertical IEC 249/4.3.4 IEC 1189-2 2C07 Flammability, horizontal IE

46、C 249/4.3.3 IEC 1189-2 2C08 Flammability, flex material IEC 249/4.3.5 IEC 1189-2 2C09 Melting viscosity of prepregnation materials IEC 1189-2 2C10 Resin content of prepregnation by sublimation IEC 1189-2 2D01 Thickness IEC 249/3.14 IEC 1189-2 2E01 Surface tracking, moisture condition IEC 112 IEC 118

47、9-2 2E02 Electrical strength at pwr IEC 243 IEC 1189-2 2E03 Surface resistance, damp heat, steady state IEC 249/2.2 IEC 1189-2 2E04 Volume resistivity, damp heat, steady state IEC 249/2.3 IEC 1189-2 2E05 Permittivity and dielectric dissipation IEC 250 IEC 1189-2 2E06 Volume and surface resistivity,

48、three electrodes IEC 93 IEC 1189-2 2E07 Surface and volume resistivity, elevated temperature IEC 249/2.9 IEC 1189-2 2E08 Surface corrosion IEC 249/2.4 IEC 1189-2 2E09 Comparative tracking index IEC 249/2.6 IEC 1189-2 2E10 Permittivity and dissipation factor IEC 249/2.7 IEC 1189-2 2E11 Electric stren

49、gth IEC 249/2.8 IEC 1189-2 2E12 Resistance of foil IEC 249/2.1 IEC 1189-2 2E13 Corrosion at edge IEC 249/2.5 IEC 1189-2 2E14 Arc resistance IEC 1189-2 2E15 Dielectric breakdown IEC 1189-2 2E16 Contact resistance of printed circuit keypad cont. IEC 1189-2 2M01 Bow/twist IEC 249/3.1 IEC 1189-2 2M02 Bow/twist after etching and heating IEC 249/3.2 IEC 1189-2 2M03 Cure factor of base materials by DSC/TMA IEC 249/3.3 IEC 1189-2 2M04 Twist after heating IEC 249/3.4 IEC 1189-2 2M05 Pull off strength IEC

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