Material

FR-4 with Tg of 140 degree

FR-4 with High Tg of 160 degree

FR-4 with High Tg of 180 degree

Polyimide Material

Cyanate Ester (Low dk/Low Loss)

PTFE or equivalents

Modified Epoxies Material

Alternative HDI Dielectrics

Halogen Free Material

Getek

Nelco 6000

BT

Taconic

Rogers RO4000 Series

Rogers RO4350

Rogers RO3010

Risholite

GIL