PROJECT
IEC 61249-3-9 ED1
30.20
CD study/ballot initiated
Sep 4, 2026
Materials for circuit boards and other interconnecting structures - Part 3-9: Sectional specification set for unreinforced base materials, clad and unclad - Build-up film of defined dissipation factor (greater than 0,0080 and equal to or less than 0,0200 at 10 GHz) for rigid organic package substrate, unclad
10.99 New project approved
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