IEC-61249-2-31 › Materials for printed boards and other interconnecting structures - Part 2-31: Reinforced base materials, clad and unclad - 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
IEC-61249-2-31
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EDITION 1.0
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CURRENT
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IEC 61249-2-31:2009 specifies requirements for properties of modified 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 4,1 and the dissipation factor is equal to or less than 0,0120 at 1 GHz.
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31.180 (Printed circuits and boards)
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Document Number
IEC 61249-2-31 Ed. 1.0 b:2009
Revision Level
EDITION 1.0
Status
Current
Publication Date
Feb. 1, 2009
Committee Number
91