VOID ARRAY STRUCTURE AND METHOD FOR PRODUCING SAME

摘要

A film-like void array structure having a first main surface and second main surface that oppose each other and a plurality of voids penetrating both the first main surface and second main surface, wherein at least one area that is a portion of the second main surface and touches three or more of the plurality of voids in a planar view from a direction normal to the second main surface has a protrusion protruding from the second main surface in the direction normal to the second main surface.