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sklademVydáno: 2009-02-11
IEC 61249-2-33:2009
Materials for printed boards and other interconnecting structures - Part 2-33: Reinforced base materials, clad and unclad - Non-halogenated modified or unmodified resin system, woven E-glass laminate sheets of defined relative permittivity (equal to or less than 4,1 at 1 GHz) and flammability (vertical burning test), copper-clad
Matériaux pour circuits imprimés et autres structures d'interconnexion - Partie 2-33: Matériaux de base renforcés, plaqués et non plaqués - Feuilles stratifiées en tissu de verre de type E, en résine isolante non halogénée modifiée ou non, de permittivité relative (inférieure ou égale à 4,1 à 1 GHz) et d'inflammabilité définies (essai de combustion verticale), plaquées cuivre
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Označení normy: | IEC 61249-2-33:2009 |
Vydáno: | 2009-02-11 |
Jazyk: | Anglicky/Francouzsky |
DESCRIPTION
IEC 61249-2-33:2009
IEC 61249-2-33:2009 specifies requirements for properties of non-halogenated modified epoxy woven E-glass laminate sheet of a thickness of 0,05 mm up to 3,2 mm, of defined flammability (vertical burning test), copper-clad. The glass transition temperature is defined to be 150 °C minimum. The relative permittivity is equal to or less than 4,1 and the dissipation factor is equal to or less than 0,0120 at 1 GHz.