IEC 61189-2-721:2015 EN-FR 80760aac
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2-721: Test methods for materials for interconnection structures - Measurement of relative permittivity and loss tangent for copper clad laminate at microwave frequency using a split post dielectric resonator
现行
发布日期 :
2015-04-29
实施日期 :
IEC 61249-2-27:2012 EN-FR 91c0eb7f
Materials for printed boards and other interconnecting structures - Part 2-27: Reinforced base materials clad and unclad - Bismaleimide/triazine modified with non-halogenated epoxide woven glass laminate sheets of defined flammability (vertical burning test), copper-clad
现行
发布日期 :
2012-11-29
实施日期 :
IEC 61249-2-21:2003 EN-FR 0e2471f9
Materials for printed boards and other interconnecting structures - Part 2-21: Reinforced base materials, clad and unclad - Non-halogenated epoxide woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad
现行
发布日期 :
2003-11-12
实施日期 :
IEC 61249-2-22:2005 EN-FR dbc58a8a
Materials for printed boards and other interconnecting structures - Part 2-22: Reinforced base materials clad and unclad - Modified non-halogenated epoxide woven E-glass laminated sheets of defined flammability (vertical burning test), copper-clad
现行
发布日期 :
2005-01-11
实施日期 :
IEC 61249-2-36:2008 EN-FR 38be6c91
Materials for printed boards and other interconnecting structures - Part 2-36: Reinforced base materials, clad and unclad - Epoxide woven E-glass laminate sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly
现行
发布日期 :
2008-11-27
实施日期 :