Patent ID: 8497156

Claim:
A manufacturing method of a semiconductor device comprising: mounting plural semiconductor elements on a wiring board having a wiring layer on an upper surface; providing a ground electrode member so that the ground electrode member strikes an area of the wiring board where neighboring of the semiconductor elements are provided; covering the semiconductor elements and the ground electrode member with sealing resin; cutting the wiring board, the sealing resin and the ground electrode member so that a piece of the semiconductor device including a ground electrode, which is covered with the sealing resin, having an end connected to the wiring layer on the upper surface of the wiring board at a portion covered with the sealing resin, and having another end as an exposed part which is exposed at a side surface of the sealing resin is formed; and providing a shielding member to cover the sealing resin of the piece of the semiconductor device and be connected to the exposed part of the ground electrode, wherein solder or a conductive adhesive is provided at the exposed part of the ground electrode exposed at the side surface of the resin, the shielding member is made come in contact with the exposed part of the around electrode via the conductive adhesive, and the shielding member is heated so that the metal member and the exposed part of the ground electrode are connected to each other.