Patent ID: 8349733

Claim:
A manufacturing method of a substrate with a through electrode, comprising: a through electrode formation step of forming a diffusion preventive film on a support plate and then forming a through electrode on a first surface of the diffusion preventive film; a substrate formation step of forming a substrate having a through hole; after the through electrode formation step and the substrate formation step, a through electrode reception step of stacking the substrate on the support plate and receiving the through electrode in the through hole such that a first surface of the substrate is flush with a second surface of the diffusion preventive film opposite to the first surface of the diffusion preventive film; after the through electrode reception step, a resin filling step of filling a gap between a side surface of the through electrode and an inner wall of the through hole of the substrate with a resin; a support plate removal step of removing the support plate after the resin filling step to expose the flush first surface of the substrate and the second surface of the diffusion preventive film; and a wiring layer formation step of forming a wiring layer, which is electrically connected to the through electrode, on a second surface of the substrate opposite to the first surface of the substrate, between the resin filling step and the support plate removal step.