Patent ID: 8502081

Claim:
An assembly substrate which contains a plurality of individual substrates in a surface direction of the assembly substrate, comprising: a base substrate, the base substrate having product areas and non-product areas, the individual substrates being formed in the product areas, the non-product areas surrounding and dividing the product areas in plan view; wiring layers formed in correspondence to the individual substrates respectively; and a frame body which is arranged, with respect to a plurality of assembly bodies each containing at least one or more of the individual substrates, so as to surround an outer periphery of the respective assembly bodies, and which has an inner periphery and a plurality of concave portions arranged in parallel along the inner periphery, the frame body being embedded between two insulating layers and being arranged only in the non-product areas, wherein the frame body is a lattice frame having a plurality of windows each having an inner periphery, and the plurality of concave portions are provided at the inner periphery of each of the windows, and the frame body has holes, each hole being between two neighboring concave portions and being on a straight line connecting the two neighboring concave portions.