GSO IEC 61249-2-34:2014由GSO 发布于 2014-12-25。
GSO IEC 61249-2-34:2014在国际标准分类中归属于: 31.180 印制电路和印制电路板。
GSO IEC 61249-2-34:2014 的最新版本是哪一版?
最新版本是 GSO IEC 61249-2-34:2014 。
This part of IEC 61249 specifies requirements for properties of non-halogenated epoxide 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 3,7 and the dissipation factor is equal to or less than 0,007 0 at 1 GHz. Some property requirements may have several classes of performance. The class desired should be specified in the purchase order, otherwise the default class of material will be supplied.
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