An integrated fan out package is utilized in which the dielectric materials of different redistribution layers are utilized to integrate the integrated fan out package process flows with other package applications. In some embodiments an Ajinomoto or prepreg material is utilized as the dielectric in at least some of the overlying redistribution layers.

A device package includes a first die directly bonded to a second die at an interface, wherein the interface comprises a conductor-to-conductor bond. The device package further includes an encapsulant surrounding the first die and the second die and a plurality of through vias extending through the encapsulant. The plurality of through vias are disposed adjacent the first die and the second die. The device package further includes a plurality of thermal vias extending through the encapsulant and a redistribution structure electrically connected to the first die, the second die, and the plurality of through vias. The plurality of thermal vias is disposed on a surface of the second die and adjacent the first die.

In an embodiment, a device includes: a package component including integrated circuit dies, an encapsulant around the integrated circuit dies, a redistribution structure over the encapsulant and the integrated circuit dies, and sockets over the redistribution structure; a mechanical brace physically coupled to the sockets, the mechanical brace having openings, each one of the openings exposing a respective one of the sockets; a thermal module physically and thermally coupled to the encapsulant and the integrated circuit dies; and bolts extending through the thermal module, the mechanical brace, and the package component.

A semiconductor package includes a first die; a first redistribution structure over the first die, the first redistribution structure being conterminous with the first die; a second die over the first die, a first portion of the first die extending beyond a lateral extent of the second die; a conductive pillar over the first portion of the first die and laterally adjacent to the second die, the conductive pillar electrically coupled to first die; a molding material around the first die, the second die, and the conductive pillar; and a second redistribution structure over the molding material, the second redistribution structure electrically coupled to the conductive pillar and the second die.

A manufacturing method of a semiconductor package includes the following steps. A chip is provided. The chip has an active surface and a rear surface opposite to the active surface. The chip includes conductive pads disposed at the active surface. A first solder-containing alloy layer is formed on the rear surface of the chip. A second solder-containing alloy layer is formed on a surface and at a location where the chip is to be attached. The chip is mounted to the surface and the first solder-containing alloy layer is aligned with the second solder-containing alloy layer. A reflow step is performed on the first and second solder-containing alloy layers to form a joint alloy layer between the chip and the surface.

An integrated fan out package is utilized in which the dielectric materials of different redistribution layers are utilized to integrate the integrated fan out package process flows with other package applications. In some embodiments an Ajinomoto or prepreg material is utilized as the dielectric in at least some of the overlying redistribution layers.

A semiconductor device includes a first plurality of dies encapsulated by an encapsulant, an interposer over the first plurality of dies, an interconnect structure over and electrically connected to the interposer, and a plurality of conductive pads on a surface of the interconnect structure opposite the interposer. The interposer includes a plurality of embedded passive components. Each die of the first plurality of dies is electrically connected to the interposer. The interconnect structure includes a solenoid inductor in a metallization layer of the interconnect structure.

A manufacturing method of a semiconductor package includes the following steps. A chip is provided. The chip has an active surface and a rear surface opposite to the active surface. The chip includes conductive pads disposed at the active surface. A first solder-containing alloy layer is formed on the rear surface of the chip. A second solder-containing alloy layer is formed on a surface and at a location where the chip is to be attached. The chip is mounted to the surface and the first solder-containing alloy layer is aligned with the second solder-containing alloy layer. A reflow step is performed on the first and second solder-containing alloy layers to form a joint alloy layer between the chip and the surface.

A microelectronic assembly is disclosed, comprising: a substrate having a core made of glass; and a first integrated circuit (IC) die and a second IC die coupled to a first side of the substrate. The core comprises a cavity, a third IC die is located within the cavity, and the core further comprises one or more conductive through-glass via (TGV) that facilitates electrical coupling between the first side of the substrate and an opposing second side of the substrate. In some embodiments, the cavity is a blind cavity; in other embodiments, the cavity is a through-hole. In some embodiments, the third IC die merely provides lateral coupling between the first IC die and the second IC die; in other embodiments, the third IC die also provides electrical coupling between the first side and the second side of the substrate with through-silicon vias.

A method of forming a semiconductor package device includes: providing a substrate; bonding a first die to an upper surface of the substrate through a bonding layer; bonding a second die to the upper surface of the substrate through the bonding layer, the second die laterally separated from the first die; depositing an insulation material between the first die and the second die and filling a gap measured between sidewalk of the first die and the second die; forming a first interconnect layer over the first die and the second die to form the semiconductor package device; and performing a testing operation on semiconductor package device with the substrate in place. A Young's modulus of the substrate is greater than that of the insulation material.