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
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发布日期 :
2015-04-29
实施日期 :
IEC TR 61189-5-506:2019 EN 3059c021
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 5-506: General test methods for materials and assemblies - An intercomparison evaluation to implement the use of fine-pitch test structures for surface insulation resistance (SIR) testing of solder fluxes in accordance with IEC 61189-5-501
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发布日期 :
2019-06-26
实施日期 :

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