EN 61249-3-4-1999 en Materials for Printed Boards and Other Interconnecting Structures Part 3-4 Sectional Specification Set for Unreinforced Base Materials Clad and Unclad (Intende.pdf
《EN 61249-3-4-1999 en Materials for Printed Boards and Other Interconnecting Structures Part 3-4 Sectional Specification Set for Unreinforced Base Materials Clad and Unclad (Intende.pdf》由会员分享,可在线阅读,更多相关《EN 61249-3-4-1999 en Materials for Printed Boards and Other Interconnecting Structures Part 3-4 Sectional Specification Set for Unreinforced Base Materials Clad and Unclad (Intende.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD Materials for printed boards and other interconnecting structures - Part 3-4: Sectional specification set for unreinforced base materials, clad and unclad (intended for flexible printed boards) - Adhesive coated flexible polyimide film The European Standard EN 6124M1999 has the stat
2、us of a British Stanard ICs 31.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 61249441999 IEC 61249-3-4: 1999 BS EN 61249341999 been prepared under the direction of the Electrokchnicai Amd. No. Da Sector Committee, was published under the authority of the Standards
3、Committee and comes into effect on 15 June 1999 O BSI OE-1999 ISBN O 680 32630 X National foreword Comments This British Standard is the Enghh language version of EN 61249-341999. It is identical with IEC 61MW 1999. The UK participation in its preparation was entrusted to Technical Committee EPY501,
4、 Electronic assembly technology, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible internationalEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests - monitor related international and European d
5、evelopments and promulgate informed, themintheuK. A list of organizations represented on this committee can be obtained on request to its sectaqy. Rom 1 January 1997, all IEC publications have the number 6 added to the old number. For instance, iEC 27-1 has been renumbered as IEC 60027-1. For a peri
6、od of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is dram to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications wit
7、h their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled htemational Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Ele
8、ctronic Catalogue. A British Standard does not purport to include all the necessary provisions of a conirad. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This d
9、ocument comprises a front cover, an inside front cover, the EN title page, pages 2 to 15 and a back cover. EUROPEAN STANDARD NORM EUROPENNE EUROPISCHE NORM EN 61 249-3-4 April 1999 ICs 31.1 80 English version Materials for printed boards and other interconnecting structures Part 3-4: Sectional speci
10、fication set for unreinforced base materials, clad and unclad (intended for flexible printed boards) Adhesive coated flexible polyimide film (IEC 61 249-3-4:1999) Matriaux pour circuits imprims et autres structures dinterconnexion Partie 3-4: Collection de spcifications intermdiaires pour les matria
11、ux de base non renforcs, recouverts ou non (prvus pour les circuits imprims flexibles) - Film flexible de polyimide recouvert de colle (CE1 61 249-3-4:1999) Materialien fr Leiterplatten und andere Verbindungsstrukturen Teil 3-4: Rahmenspezifikation fr unverstrkte, kaschierte und unkaschierte Basisma
12、terialien (fr flexible Leiterplatten) Kie berbeschic htete flexi bie Polyimidfolien (IEC 61 249-3-4:1999) This European Standard was approved by CENELEC on 1999-04-01. CENELEC members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this Europea
13、n Standard the status of a national standard without any alteration. Up-to-date lists 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 (Englis
14、h, French, German). A version in any other language made by translation under the responsibility 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, Be
15、lgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europis
16、ches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 1999 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61 249-3-4:1999 E Page 2 EN 61249-3-4: 1999 Foreword The text of document 52
17、/773/FDIS, future edition 1 of IEC 61249-3-4, prepared by IEC TC 52, Printed circuits, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61 249-3-4 on 1999-04-01. The following dates were fixed: - latest date by which the EN has to be implemented at national level by p
18、ublication of an identical national standard or by endorsement (dop) 2000-01 -0 1 - latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2002-0 1 -0 1 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are g
19、iven for information only. In this standard, annex ZA is normative and annex A is informative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 61 249-3-4:1999 was approved by CENELEC as a European Standard without any modification. CONTENTS Clause Pa
20、ge Scope 4 Normative reference . 4 Materials and construction 4 Internal marking . 5 Properties of adhesive coated polyimide films . 6 Dimensions and tolerances 9 Packaging and marking 9 Designation 6 Acceptance testing . 1 0 Annex A (informative) Conversion table for test method reference numbers .
21、 11 Annex ZA (normative) Normative references to international publications with their corresponding European publications 15 O BSI 06-1 999 Page 4 EN 61249-3-4:1999 MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - Part 3-4: Sectional specification set for unreinforced base materi
22、als, clad and unclad (intended for flexible printed boards) - Adhesive coated flexible polyimide film 1 Scope This part of IEC 61249 gives requirements for flexible polyimide films coated on one side or both sides with acrylic or epoxide type adhesive for use in the fabrication of flexible printed w
23、iring. Films coated on only one side are used as a coverlay or Covercoat in the fabrication of flexible printed wiring. This coverlay or Covercoat is also used to provide local support to areas subjected to mechanical or environmental stress. Films coated on both sides are used as bonding films in t
24、he fabrication of printed boards. 2 Normative reference The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of IEC 61249. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- EN61249341999ENMATERIALSFORPRINTEDBOARDSANDOTHERINTERCONNECTINGSTRUCTURESPART34SECTIONALSPECIFICATIONSETFORUNREINFORCEDBASEMATERIALSCLADANDUNCLADINTENDEPDF

链接地址:http://www.mydoc123.com/p-719865.html