An alignment carrier, assembly and methods that enable the precise alignment and assembly of two or more semiconductor die using an interconnect bridge. The alignment carrier includes a substrate composed of a material that has a coefficient of thermal expansion that substantially matches that of an interconnect bridge. The alignment carrier further includes a plurality of solder balls located on the substrate and configured for alignment of two or more semiconductor die.

A semiconductor storage device includes first and second chips and first and second power supply electrodes. The first chip includes conductive layers arranged in a first direction, a semiconductor pillar extending in the first direction and facing the conductive layers, first contacts extending in the first direction and connected to the conductive layers, second contacts extending in the first direction and connected to a first power supply electrode, third contacts extending in the first direction, facing the second contacts in a direction crossing the first direction, and connected to the second power supply electrode, and first bonding electrodes connected to the first contacts. The second chip includes a semiconductor substrate, transistors provided on the semiconductor substrate, fourth contacts connected to the transistors, and second bonding electrodes connected to the fourth contacts. The first and second chips are bonded together so that respective first and second bonding electrodes are connected together.

A semiconductor package may include a package substrate, a first semiconductor chip on the package substrate, and a second semiconductor chip on the first semiconductor chip. The first semiconductor chip comprises a chip substrate including a first surface and a second surface opposite to the first surface, a plurality of first chip pads between the package substrate and the chip substrate, and electrically connecting the first semiconductor chip to the package substrate, a plurality of second chip pads disposed on the second surface and between the second semiconductor chip and the second surface, and a plurality of redistribution lines on the second surface, the redistribution lines electrically connecting to the second semiconductor chip, and a plurality of bonding wires electrically connecting the redistribution lines to the package substrate.

A multi-chip module includes a first semiconductor component including a first set of connections having a first pitch dimension and at least a second set of connections having a second pitch dimension, wherein the first pitch dimension is smaller than the second pitch dimension. The multi-chip module further includes a second semiconductor component interconnected with the first set of connections of the first semiconductor component. The multi-chip module further includes at least a third semiconductor component interconnected with the second set of connections of the first semiconductor component and wherein a surface of the third semiconductor component is adhered to a surface of the second semiconductor component, wherein the surfaces at least partially overlap one another.

A multi-chip module includes a first semiconductor component including a first set of connections having a first pitch dimension and at least a second set of connections having a second pitch dimension, wherein the first pitch dimension is smaller than the second pitch dimension. The multi-chip module further includes a second semiconductor component interconnected with the first set of connections of the first semiconductor component. The multi-chip module further includes at least a third semiconductor component interconnected with the second set of connections of the first semiconductor component and wherein a surface of the third semiconductor component is adhered to a surface of the second semiconductor component, wherein the surfaces at least partially overlap one another.

In embodiments, a semiconductor package may include a first die and a second die. The package may additionally include a serializer/deserializer (SerDes) die coupled with the first and the second dies. The SerDes die may be configured to serialize signals transmitted from the first die to the second die, and deserialize signals received from the second die. Other embodiments may be described and/or claimed.

A microelectronic package with two semiconductor die coupled on opposite sides of a redistribution layer 108, and at least partially overlapping with one another. At least a first of the semiconductor die includes two sets of contacts, the first group of contacts arranged at a lesser pitch relative to one another than are a second group of contacts. The first group of contacts at the larger pitch are placed to engage contacts in a redistribution layer 108. The second group of contacts at the lesser pitch are placed to engage respective contacts at the same pitch on the second semiconductor die.

A semiconductor package may include a package substrate, a first semiconductor chip on the package substrate, and a second semiconductor chip on the first semiconductor chip. The first semiconductor chip comprises a chip substrate including a first surface and a second surface opposite to the first surface, a plurality of first chip pads between the package substrate and the chip substrate, and electrically connecting the first semiconductor chip to the package substrate, a plurality of second chip pads disposed on the second surface and between the second semiconductor chip and the second surface, and a plurality of redistribution lines on the second surface, the redistribution lines electrically connecting to the second semiconductor chip, and a plurality of bonding wires electrically connecting the redistribution lines to the package substrate.

A multi-chip module includes a first semiconductor component including a first set of connections having a first pitch dimension and at least a second set of connections having a second pitch dimension, wherein the first pitch dimension is smaller than the second pitch dimension. The multi-chip module further includes a second semiconductor component interconnected with the first set of connections of the first semiconductor component. The multi-chip module further includes at least a third semiconductor component interconnected with the second set of connections of the first semiconductor component and wherein a surface of the third semiconductor component is adhered to a surface of the second semiconductor component, wherein the surfaces at least partially overlap one another.

Disclosed herein are microelectronic assemblies including direct bonding, as well as related structures and techniques. For example, in some embodiments, a microelectronic assembly may include a first microelectronic component and a second microelectronic component coupled to the first microelectronic component by a direct bonding region, wherein the direct bonding region includes a first subregion and a second subregion, and the first subregion has a greater metal density than the second subregion. In some embodiments, a microelectronic assembly may include a first microelectronic component and a second microelectronic component coupled to the first microelectronic component by a direct bonding region, wherein the direct bonding region includes a first metal contact and a second metal contact, the first metal contact has a larger area than the second metal contact, and the first metal contact is electrically coupled to a power/ground plane of the first microelectronic component.