RogersRO4350B is a hydrocarbon laminate with a dielectric constant of 3.48
Vantaggi:
1. Low orientation
2. Low DK fluctuation with temperature
3. Low Z-axis thermal expansion coefficient
4. Low internal expansion coefficient
5. Low DK tolerance
6. Stable electrical characteristics at different frequencies
7. FR4 is easy to mass produce and multi-layer mixing, economico