The RO4830 from Rogers Corporation is a Laminate with Dk (Dielectric Constant) 3.2, Df (Dissipation Factor) 0.0032, CTE x-y 21 and 23 ppm/ Degrees C, CTE z 83 to 110 ppm/ Degrees C, Thickness 0.127 to 0.23876 mm. More details for RO4830 can be seen below.
