Zeta Lam combines Zeta Cap copper clad cured dielectric film and Zeta Bond B-stage adhesive. Foil weights range from 0.25 to 0.375 oz.; comes in 0.0005", 0.001" and 0.0015" thicknesses with adhesive bonds of 0.001" to 0.002".
Integral-HDI, http://www.integral-hdi.com