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本文(EN 61249-4-18-2013 en Materials for printed boards and other interconnecting structures - Part 4-18 Sectional specification set for prepreg materials unclad (for the manufacture of.pdf)为本站会员(visitstep340)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!

EN 61249-4-18-2013 en Materials for printed boards and other interconnecting structures - Part 4-18 Sectional specification set for prepreg materials unclad (for the manufacture of.pdf

1、BSI Standards PublicationMaterials for printed boards and other interconnecting structuresPart 4-18: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) High performance epoxide woven E-glass prepreg of defined flammability (vertical burning test) for

2、 lead-free assemblyBS EN 61249-4-18:2013National forewordThis British Standard is the UK implementation of EN 61249-4-18:2013. It isidentical to IEC 61249-4-18:2013.The UK participation in its preparation was entrusted to Technical Com-mittee EPL/501, Electronic assembly technology b) manufacturers

3、designation; BS EN 61249-4-18:201361249-4-18 IEC:2013 13 c) lot number; d) date of manufacture; e) quantity; f) dimensions; g) gross weight; h) manufacturers name and address; i) date of packaging. 8 Shelf life Prepreg shall be capable of being stored at either of the described conditions below for

4、the specified time and still be fit for its intended use. Condition 1: Temperature 5 C, relative humidity not specified, minimum 6 months after shipping to the customer. Condition 2: Temperature 20 C, relative humidity 50 %, minimum 3 months after shipment to the customer. Prepreg should not be stor

5、ed in a catalytic environment such as UV light or excessive radiation. Material that has been stored at lower temperature should be allowed to equilibrate to ambient temperature before the packing is opened to avoid condensation of moisture on the prepreg itself. 9 Ordering information The purchase

6、order shall include the following details: a) A reference to this specification b) Type of material c) Size d) Glass style e) The selected thickness parameter and nominal value f) The selected reactivity/rheology parameter and nominal value g) The selected optional parameter and nominal value (if an

7、y) h) Request for certificate of conformance if applicable BS EN 61249-4-18:2013 14 61249-4-18 IEC:2013 Bibliography IEC 60194:2006, Printed board design, manufacture and assembly Terms and definitions IEC 62326-4, Printed boards Part 4: Rigid multilayer printed boards with interlayer connections Se

8、ctional specification _ BS EN 61249-4-18:2013This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization prod

9、ucts are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -base

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