Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package is provided which includes a redistribution substrate, an interconnect substrate on the redistribution substrate, a metal layer on the semiconductor chip, a semiconductor chip on the redistribution substrate and in the hole of the interconnect substrate, and a mold layer in a gap between the semiconductor chip and the interconnect substrate. The interconnect substrate includes a hole penetrating thereinside. The interconnect substrate includes base layers and a conductive member extending through the base layers. A top surface of the interconnect substrate is positioned either above or below the level of the top surface of the metal layer.

Abstract: A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

Abstract: A semiconductor package is provided which includes a redistribution substrate, an interconnect substrate on the redistribution substrate, a metal layer on the semiconductor chip, a semiconductor chip on the redistribution substrate and in the hole of the interconnect substrate, and a mold layer in a gap between the semiconductor chip and the interconnect substrate. The interconnect substrate includes a hole penetrating thereinside. The interconnect substrate includes base layers and a conductive member extending through the base layers. A top surface of the interconnect substrate is positioned either above or below the level of the top surface of the metal layer.

Abstract: A semiconductor package is provided which includes a redistribution substrate, an interconnect substrate on the redistribution substrate, a metal layer on the semiconductor chip, a semiconductor chip on the redistribution substrate and in the hole of the interconnect substrate, and a mold layer in a gap between the semiconductor chip and the interconnect substrate. The interconnect substrate includes a hole penetrating thereinside. The interconnect substrate includes base layers and a conductive member extending through the base layers. A top surface of the interconnect substrate is positioned either above or below the level of the top surface of the metal layer.

Abstract: A semiconductor package is provided which includes a redistribution substrate, an interconnect substrate on the redistribution substrate, a metal layer on the semiconductor chip, a semiconductor chip on the redistribution substrate and in the hole of the interconnect substrate, and a mold layer in a gap between the semiconductor chip and the interconnect substrate. The interconnect substrate includes a hole penetrating thereinside. The interconnect substrate includes base layers and a conductive member extending through the base layers. A top surface of the interconnect substrate is positioned either above or below the level of the top surface of the metal layer.

Abstract: Solder compositions for semiconductor fabrication are provided that include silver (Ag) of 3.0 wt. % to 4.0 wt. %, copper (Cu) of 0.75 wt. % to 1.0 wt. %, nickel (Ni) of 0.08 wt. % to 1.0 wt. %, and tin (Sn) of 94 wt. % to 96.17 wt. %, or that include bismuth (Bi) of 0.3 wt. % to 2.0 wt. % in place of a portion of the tin (Sn) in the solder composition; and, semiconductor packages are also provided that use the solder compositions for bonding one or more components of the semiconductor packages to each other.

Abstract: Provided is a method for testing adhesion. The method includes forming thin films on a substrate; attaching an elastic plate to the substrate, wherein the elastic plate has a larger elastic coefficient than the substrate; and performing an adhesion test on the thin films using an adhesion test apparatus.

Abstract: Provided is a method for testing adhesion. The method includes forming thin films on a substrate; attaching an elastic plate to the substrate, wherein the elastic plate has a larger elastic coefficient than the substrate; and performing an adhesion test on the thin films using an adhesion test apparatus.

Abstract: Integrated circuit packages include an integrated circuit mounting substrate having a hole that defines an inner wall of the integrated circuit mounting substrate. An integrated circuit is provided in the hole. A sinuous lead frame extends from the integrated circuit and is connected to the inner wall. The sinuous lead frame extends back and forth along a given direction, and may include a U- and/or V-shape, and round and/or jagged portions. Related packaging methods are also disclosed.

Abstract: Integrated circuit packages include an integrated circuit mounting substrate having a hole that defines an inner wall of the integrated circuit mounting substrate. An integrated circuit is provided in the hole. A sinuous lead frame extends from the integrated circuit and is connected to the inner wall. The sinuous lead frame extends back and forth along a given direction, and may include a U- and/or V-shape, and round and/or jagged portions. Related packaging methods are also disclosed.