
RF Attenuation Shifts from Dielectric Micro Micro-Cracking in Core Laminates
Dielectric micro-cracking lowers effective permittivity when dry but triples loss tangent under humidity, driving fatal RF attenuation shifts at high frequencies.

Dielectric micro-cracking lowers effective permittivity when dry but triples loss tangent under humidity, driving fatal RF attenuation shifts at high frequencies.
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