Wiring board, composite substrate, and electric device

Abstract

A wiring board includes: a base material including, on one side of the base material, a protruding part that protrudes toward an outside, wherein the protruding part has a shape in which a center portion of a principal surface rises from the outer periphery, and a plurality of external connection terminals is arranged on the principal surface. A composite substrate includes: the above-mentioned wiring board and a metallic frame member, wherein the frame member includes an opening whose shape is corresponding to a shape in a plan view of the protruding part, and the frame member is arranged such that the opening surrounds the protruding part to fill a periphery of the protruding part. An electric device includes: an electric element on a right face of the wiring board.

Dependencies are inferred from the claim text.