Patent ID: 11890853
Assignee: MITSUI MINING & SMELTING CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC B  H | IPC B

Claim 0:
1. A resin laminate comprising a first layer composed of a first resin composition and a second layer composed of a second resin composition provided on one surface of the first layer,
wherein the first resin composition comprises
a resin component comprising an epoxy resin, a diamine compound, and a polyimide resin, and
a dielectric filler being a complex metal oxide comprising at least two selected from the group consisting of Ba, Ti, Sr, Pb, Zr, La, Ta, and Bi, in an amount of 60 parts by weight or more and 85 parts by weight or less based on 100 parts by weight of solids of the first resin composition,
wherein the content of the polyimide resin in the first resin composition is 20 parts by weight or more and 60 parts by weight or less based on 100 parts by weight of the resin component, and
wherein the second resin composition comprises
a resin component which comprises an epoxy resin and a diamine compound but is free of polyimide resin, and
a dielectric filler being a complex metal oxide comprising at least two selected from the group consisting of Ba, Ti, Sr, Pb, Zr, La, Ta, and Bi, in an amount of 70 parts by weight or more and 90 parts by weight or less based on 100 parts by weight of solids of the second resin composition.