Patent ID: 7870663

Claim:
A method for manufacturing a multilayer wiring board, wherein a first printed board having a pad portion is opposed to a second printed board having a pad portion, a wiring including a wiring portion and a bump mounting pad, and a board portion, the pad portion of the first printed board and the bump mounting pad of the second printed board are connected via a solder bump, the other connecting portions are adhered via an insulating adhesive, and at least a portion of the through holes formed to at least either the first printed board or the second printed board has a hollow structure, the method comprising: a step of forming a solder bump using a solder paste to at least either the pad portion of the first printed board or the bump mounting pad of the second printed board; and a step of laminating and adhering the first printed board and the second printed board by placing an insulating adhesive between the first printed board and the second printed board to thereby electrically connect the first printed board and the second printed board.