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sklademVydáno: 2008-01-30
IEC 61249-4-1:2008
Materials for printed boards and other interconnecting structures - Part 4-1: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability
Matériaux pour circuits imprimés et autres structures d'interconnexion - Partie 4-1: Série de spécifications intermédiaires pour matériaux préimprégnés, non plaqués (pour la fabrication des cartes multicouches) - Tissu de verre époxyde préimprégné de type E d'inflammabilité définie
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| Označení normy: | IEC 61249-4-1:2008 |
| Vydáno: | 2008-01-30 |
| Jazyk: | Anglicky |
Popis
IEC 61249-4-1:2008
IEC 61249-4-1:2008 gives requirements for properties of prepreg that is mainly intended to be used as bonding sheets in connection with laminates according to IEC 61249-2-7 when manufacturing multilayer boards in line with IEC 62326-4. This material may be also used to bond other types of laminates. Prepreg according to this standard is of defined flammability (vertical burning test). The flammability rating on fully cured prepreg is achieved through the use of brominated fire retardants contained as an integral part of the polymeric structure. After lamination according to the supplier's instructions, the glass transition temperature is defined as being 120 °C minimum.