IEC 61249-4-5:2005 标准规定了聚酰亚胺预浸料材料的要求，包括其物理、机械、电气和化学性质。该标准还规定了该材料的防火性能，以确保其在使用过程中不会引起火灾或其他安全问题。

该标准适用于使用聚酰亚胺预浸料制造印制电路板和其他互连结构的情况。这种预浸料材料通常用于制造高性能电路板，如航空航天、国防和医疗设备等领域。

在制造印制电路板和其他互连结构时，预浸料材料的质量和性能对最终产品的质量和性能至关重要。因此，本标准的要求和测试方法旨在确保预浸料材料的一致性和可靠性。

除了物理、机械、电气和化学性质外，本标准还规定了预浸料材料的防火性能。这是因为在某些应用中，如航空航天和国防领域，电路板必须具有良好的防火性能，以确保其在极端条件下的安全性能。

总之，IEC 61249-4-5:2005 标准规定了一种聚酰亚胺预浸料材料的要求，该材料由改性或未改性聚酰亚胺和编织的E-玻璃纤维组成，并具有明确定义的防火性能。该标准的要求和测试方法旨在确保预浸料材料的一致性和可靠性，以确保最终产品的质量和性能。

相关标准
- IEC 61249-1-4:2006 Materials for printed boards and other interconnecting structures - Part 1-4: General requirements for printed board and other interconnecting structures materials - Sheet 4: Reinforced base materials clad and unclad - Non-halogenated epoxide woven E-glass reinforced laminate of defined flammability (vertical burning test), copper-clad
- IEC 61249-2-21:2006 Materials for printed boards and other interconnecting structures - Part 2-21: Sectional specification set for laminates - Sheet 21: Non-halogenated epoxide woven E-glass reinforced laminate of defined flammability (vertical burning test), copper-clad
- IEC 61249-2-22:2006 Materials for printed boards and other interconnecting structures - Part 2-22: Sectional specification set for laminates - Sheet 22: Non-halogenated epoxide woven E-glass reinforced laminate of defined flammability (vertical burning test), non-copper-clad
- IEC 61249-2-23:2006 Materials for printed boards and other interconnecting structures - Part 2-23: Sectional specification set for laminates - Sheet 23: Non-halogenated epoxide woven E-glass reinforced laminate of defined flammability (vertical burning test), non-copper-clad, high Tg
- IEC 61249-2-24:2006 Materials for printed boards and other interconnecting structures - Part 2-24: Sectional specification set for laminates - Sheet 24: Non-halogenated epoxide woven E-glass reinforced laminate of defined flammability (vertical burning test), non-copper-clad, high Tg, high Td