Laminate, metal foil laminated laminate, laminated body with patterned metal foil, laminate having build-up structure, printed wiring board, multilayer coreless substrate, and its manufacturing method

摘要

The laminate of the present invention isThe first resin composition layer andHeat resistant film layerThe second resin composition layer andIs a laminate stacked in this order;The first resin composition layer is semi cured (B stage);The difference between the maximum thickness and the minimum thickness of the first resin composition layer is0.5 to 5 μ AndThe second resin composition layer is semi cured (B stage);The difference between the maximum thickness and the minimum thickness of the second resin composition layer is0.5 to 5 μ M.