| abstract |
The metal-clad laminate of the present invention includes a cured insulating layer containing a polyphenylene ether compound, a metal layer bonded to the insulating layer, and an intermediate layer containing a silane compound interposed between the insulating layer and the metal layer, and the metal layer It has a junction surface bonded to the insulating layer via the intermediate layer, and the ten-point average roughness Rz of the junction surface is 0.5 μm or more and 4 μm or less. |