1、BSI Standards PublicationMaterials for printed boards and other interconnecting structuresPart 4-19: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) High performance non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical b
2、urning test) for lead-free assemblyBS EN 61249-4-19:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-National forewordThis British Standard is the UK implementatio
3、n of EN 61249-4-19:2013. It isidentical to IEC 61249-4-19:2013.The UK participation in its preparation was entrusted to Technical Com-mittee EPL/501, Electronic assembly technology b) manufacturers designation; BS EN 61249-4-19:2013Copyright British Standards Institution Provided by IHS under licens
4、e with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-61249-4-19 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 s
5、hall be capable of being stored at either of the described conditions below for 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 5
6、0 %, minimum 3 months after shipment to the customer. Prepreg should not be stored 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 cond
7、ensation of moisture on the prepreg itself. 9 Ordering information The purchase order shall include the following information: 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 par
8、ameter and nominal value g) The selected optional parameter and nominal value (if any) h) Request for certificate of conformance if applicable BS EN 61249-4-19:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or netw
9、orking permitted without license from IHS-,-,- 14 61249-4-19 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 Sectional specification _ BS EN 612
10、49-4-19:2013Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page deliberately left blankCopyright British Standards Institution Provided by IHS under license wit
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