A first integrated circuit (IC) package has a package substrate on bottom. The package substrate comprises a bottom redistribution circuitry configured according to printed circuit board (PCB) design rule and a top redistribution circuitry configured according to integrated circuit (IC) design rule. The first IC package has a plurality of top metal pads and a plurality of copper pillars configured on a top side according to IC design rule. A second IC package has a plurality of bottom metal pads configured according to IC design rule configured on a top side of the first IC package. The first IC package electrically couples to the second IC package through the plurality of copper pillars.

A first integrated circuit (IC) package has a package substrate on bottom. The package substrate comprises a bottom redistribution circuitry configured according to printed circuit board (PCB) design rule and a top redistribution circuitry configured according to integrated circuit (IC) design rule. The first IC package has a plurality of top metal pads and a plurality of copper pillars configured on a top side according to IC design rule. A second IC package has a plurality of bottom metal pads configured according to IC design rule configured on a top side of the first IC package. The first IC package electrically couples to the second IC package through the plurality of copper pillars.

A semiconductor package and methods for producing the same are described. One example of the semiconductor package is described to include a substrate having a first face and an opposing second face. The package is further described to include a plurality of pads disposed on the first face of the substrate, each of the plurality of pads including a first face and an opposing second face that is in contact with the first face of the substrate. The semiconductor package is further described to include a plurality of solder-on-pad structures provided on a first of the plurality of pads.

A semiconductor package includes a first semiconductor device and a second semiconductor device. The first semiconductor device includes a first main body, at least one first columnar portion and at least one first conductive layer. The first columnar portion protrudes from a bottom surface of the first main body. The first conductive layer is disposed on a side surface of the first columnar portion. The second semiconductor device includes a second main body, at least one second columnar portion and at least one second conductive layer. The second columnar portion protrudes from a top surface of the second main body. The second conductive layer is disposed on a side surface of the second columnar portion. The first conductive layer is electrically coupled to the second conductive layer.

A semiconductor package includes a first semiconductor device and a second semiconductor device. The first semiconductor device includes a first main body, at least one first columnar portion and at least one first conductive layer. The first columnar portion protrudes from a bottom surface of the first main body. The first conductive layer is disposed on a side surface of the first columnar portion. The second semiconductor device includes a second main body, at least one second columnar portion and at least one second conductive layer. The second columnar portion protrudes from a top surface of the second main body. The second conductive layer is disposed on a side surface of the second columnar portion. The first conductive layer is electrically coupled to the second conductive layer.

A semiconductor package and methods for producing the same are described. One example of the semiconductor package is described to include a substrate having a first face and an opposing second face. The package is further described to include a plurality of pads disposed on the first face of the substrate, each of the plurality of pads including a first face and an opposing second face that is in contact with the first face of the substrate. The semiconductor package is further described to include a plurality of solder-on-pad structures provided on a first of the plurality of pads.

Methods of fabricating semiconductor devices and Radio Frequency (RF) components are provided. The method includes providing a circuit layout on a semiconductor layer and providing one or more sacrificial connections to connect bump pads in the circuit layout. The method also includes testing the circuit layout using the one or more sacrificial connections and removing at least a portion of the one or more sacrificial connections. In this way, the performance of the semiconductor device is improved by reducing or avoiding capacitive or inductive leakage paths that can be caused by leftover materials.

An electronic device includes a mount board, first and second electronic components flip-chip mounted on a surface of the mount board with bumps interposed therebetween, and a sealing member that seals the first and second electronic components on the mount board. A thickness of the first electronic component is larger than a thickness of the second electronic component, and a height of the bump bonded to the first electronic component is smaller than a height of the bump bonded to the second electronic component.

Semiconductor packages include a first substrate including a central portion and a peripheral portion, at least one first central connection member attached to the central portion of the first substrate, and at least one first peripheral connection member attached to the peripheral portion of the first substrate. The first central connection member includes a first supporter and a first fusion conductive layer surrounding the first supporter.

First and second integrated devices each have an optical component and a plurality of interconnect structures disposed one edge thereon. The first edge surface of the second integrated device is positioned contiguous to the first edge surface of the first integrated device. The interconnect structures disposed on the first integrated device are in physical contact with the interconnect structures disposed on the edge surface of the second integrated device so as to provide alignment for conveying at least one signal between the optical components on the first and second integrated devices.