Abstract: A semiconductor package of an embodiment includes a wiring substrate, a semiconductor chip provided on an upper surface of the wiring substrate, a sealing resin covering surfaces of the wiring substrate and the semiconductor chip, an infrared reflection layer containing any of aluminum, aluminum oxide, and titanium oxide, and an external terminal provided on a lower surface of the wiring substrate. The wiring substrate is electrically connectable with a printed wiring board through the external terminal. The infrared reflection layer is provided to the sealing resin on an upper side of a surface of the semiconductor chip on a side opposite to an upper surface of the wiring substrate.

Abstract: A semiconductor package of an embodiment includes a wiring substrate, a semiconductor chip provided on an upper surface of the wiring substrate, a sealing resin covering surfaces of the wiring substrate and the semiconductor chip, an infrared reflection layer containing any of aluminum, aluminum oxide, and titanium oxide, and an external terminal provided on a lower surface of the wiring substrate. The wiring substrate is electrically connectable with a printed wiring board through the external terminal. The infrared reflection layer is provided to the sealing resin on an upper side of a surface of the semiconductor chip on a side opposite to an upper surface of the wiring substrate.

Abstract: A semiconductor package of an embodiment includes a wiring substrate, a semiconductor chip provided on an upper surface of the wiring substrate, a sealing resin covering surfaces of the wiring substrate and the semiconductor chip, an infrared reflection layer containing any of aluminum, aluminum oxide, and titanium oxide, and an external terminal provided on a lower surface of the wiring substrate. The wiring substrate is electrically connectable with a printed wiring board through the external terminal. The infrared reflection layer is provided to the sealing resin on an upper side of a surface of the semiconductor chip on a side opposite to an upper surface of the wiring substrate.

Abstract: In a semiconductor packaged device of an LOC structure, a lead frame is formed having leads which extend in two directions from a semiconductor chip. The lead frame further includes dummy frames which extend in the two directions opposite of the directions in which the leads extend. The dummy frames are located below the center line (drawn half-way between the upper surface and undersurface of the device) by depressing the dummy frames before the semiconductor chip is mounted on the lead frame. The inner lead portions of the leads are each adhered to the surface of the semiconductor chip through a tape and connected to electrode pads on the semiconductor chip using bonding wires. The semiconductor chip and its periphery is then sealed with mold resin.