Abstract: A semiconductor package includes a first die, a second die, an encapsulating material, and a redistribution structure. The second die is disposed over the first die and includes a plurality of bonding pads bonded to the first die, a plurality of through vias extending through a substrate of the second die and a plurality of alignment marks, wherein a pitch between adjacent two of the plurality of alignment marks is different from a pitch between adjacent two of the plurality of through vias. The encapsulating material is disposed over the first die and at least laterally encapsulating the second die. The redistribution structure is disposed over the second die and the encapsulating material and electrically connected to the plurality of through vias.

Abstract: A method includes polishing a semiconductor substrate of a first die to reveal first through-vias that extend into the semiconductor substrate, forming a dielectric layer on the semiconductor substrate, and forming a plurality of bond pads in the dielectric layer. The plurality of bond pads include active bond pads and dummy bond pads. The active bond pads are electrically coupled to the first through-vias. The first die is bonded to a second die, and both of the active bond pads and the dummy bond pads are bonded to corresponding bond pads in the second die.

Abstract: A packaged device includes an optical IC having an optical feature therein. An interconnect structure including layers of conductive features embedded within respective layers of dielectric materials overlie the optical feature. The interconnect structure is patterned to remove the interconnect structure from over the optical feature and a dielectric material having optically neutral properties, relative to a desired light wavelength(s) is formed over the optical feature. One or more electronic ICs may be bonded to the optical IC to form an integrated package.

Abstract: A package structure includes at least one semiconductor die, an insulating encapsulant, an isolation layer and a redistribution layer. The at least one first semiconductor die has a semiconductor substrate and a conductive post disposed on the semiconductor substrate. The insulating encapsulant is partially encapsulating the first semiconductor die, wherein the conductive post has a first portion surrounded by the insulating encapsulant and a second portion that protrudes out from the insulating encapsulant. The isolation layer is disposed on the insulating encapsulant and surrounding the second portion of the conductive post. The redistribution layer is disposed on the first semiconductor die and the isolation layer, wherein the redistribution layer is electrically connected to the conductive post of the first semiconductor die.

Abstract: An embodiment semiconductor device includes an interposer, a semiconductor die electrically connected to the interposer, an integrated passive device die electrically connected to the interposer, the integrated passive device die including two or more seal rings, and a first alignment mark formed on the integrated passive device die within a first area enclosed by a first one of the two or more seal rings. The integrated passive device die may further include two or more integrated passive devices located within respective areas enclosed by respective ones of the two or more seal rings. Each of the two or more integrated passive devices may include electrical connections that are formed as a plurality of micro-bumps, and the first alignment mark may be electrically isolated from the electrical connections, and the first alignment mark and the electrical connections may share a common material.

Abstract: Packages and methods of fabricating the same are provided. The package includes a first die, wherein the first die includes a plurality of through vias from a first surface of the first die toward a second surface of the first die; a second die disposed below the first die, wherein the second surface of the first die is bonded to the second die; an isolation layer disposed in the first die, wherein the plurality of through vias extend through the isolation layer; an encapsulation laterally surrounding the first die, wherein the encapsulation is laterally separated from the isolation layer; a buffer layer disposed over the first die, the isolation layer, and the encapsulation; and a plurality of conductive terminals disposed over the isolation layer, wherein the plurality of conductive terminals is electrically connected to corresponding ones of the plurality of through vias.

Abstract: A semiconductor package includes a redistribution structure, a first device and a second device attached to the redistribution structure, the first device including: a first die, a support substrate bonded to a first surface of the first die, and a second die bonded to a second surface of the first die opposite the first surface, where a total height of the first die and the second die is less than a first height of the second device, and where a top surface of the substrate is at least as high as a top surface of the second device, and an encapsulant over the redistribution structure and surrounding the first device and the second device.

Abstract: A structure includes a first die and a second die. The first die includes a first bonding layer having a first plurality of bond pads disposed therein and a first seal ring disposed in the first bonding layer. The first bonding layer extends over the first seal ring. The second die includes a second bonding layer having a second plurality of bond pads disposed therein. The first plurality of bond pads is bonded to the second plurality of bond pads. The first bonding layer is bonded to the second bonding layer. An area interposed between the first seal ring and the second bonding layer is free of bond pads.

Abstract: A package includes an interposer having a first redistribution structure; a first die directly bonded to a first surface of the first redistribution structure with a dielectric-to-dielectric bond and a metal-to-metal bond; a second die directly bonded to the first surface of the first redistribution structure with a dielectric-to-dielectric bond and a metal-to-metal bond; an encapsulant around the first die and the second die; and a plurality of conductive connectors on a second side of the first redistribution structure opposite to the first die and the second die.

Abstract: Provided is a package structure including a bottom die, a top die, an insulating layer, a circuit substrate, a dam structure, and an underfill. The top die is bonded on a front side of the bottom die. The insulating layer is disposed on the front side of the bottom die to laterally encapsulate a sidewall of the top die. The circuit substrate is bonded on a back side of the bottom die through a plurality of connectors. The dam structure is disposed between the circuit substrate and the back side of the bottom die, and connected to the back side of the bottom die. The underfill laterally encapsulates the connectors and the dam structure. The dam structure is electrically isolated from the circuit substrate by the underfill. A method of forming the package structure is also provided.

Abstract: A semiconductor structure includes a first die and a plurality of first dummy pads. The first die includes a first interconnect structure and a first active pad electrically connected to the first interconnect structure. The first dummy pads laterally surround the first active pad and are electrically floating.

Abstract: A semiconductor package includes a first die including an optical coupler, a second die disposed on the first die, and a transparent encapsulation material disposed on the first die. The second die includes a substrate and a transparent portion disposed within the substrate and optically coupled to the optical coupler. The transparent encapsulation material extends along sidewalls of the substrate of the second die.

Abstract: A semiconductor structure includes an interposer including redistribution wiring interconnects and redistribution insulating layers; a first semiconductor die attached to the interposer through a first array of solder material portions; and a second semiconductor die attached to the interposer through a second array of solder material portions. The interposer includes at least one inductor structure located between an area of the first array of solder material portions and an area of the second array of solder material portions in a plan view and laterally encloses a respective area in the plan view.

Abstract: An integrated circuit component includes a semiconductor substrate, conductive pads, a passivation layer and conductive vias. The semiconductor substrate has an active surface. The conductive pads are located on the active surface of the semiconductor substrate and electrically connected to the semiconductor substrate, and the conductive pads each have a contact region and a testing region, where in each of the conductive pads, an edge of the contact region is in contact with an edge of the testing region. The passivation layer is located on the semiconductor substrate, where the conductive pads are located between the semiconductor substrate and the passivation layer, and the testing regions and the contact regions of the conductive pads are exposed by the passivation layer. The conductive vias are respectively located on the contact regions of the conductive pads.

Abstract: A package includes a corner, a device die, a plurality of redistribution lines underlying the device die, and a plurality of metal pads electrically coupled to the plurality of redistribution lines. The plurality of metal pads includes a corner metal pad closest to the corner, wherein the corner metal pad is a center-facing pad having a bird-beak direction substantially pointing to a center of the package. The plurality of metal pads further includes a metal pad farther away from the corner than the corner metal pad, wherein the metal pad is a non-center-facing pad having a bird-beak direction pointing away from the center of the package.

Abstract: A package and a method of forming the same are provided. A method includes forming a first die structure. The first die structure includes a die stack and a stacked dummy structure bonded to a carrier. A second die structure is formed. The second die structure includes a first integrated circuit die. The first die structure is bonded to the second die structure by bonding a topmost integrated circuit die of the die stack to the first integrated circuit die. The topmost integrated circuit die of the die stack is a farthest integrated circuit die of the die stack from the carrier. A singulation process is performed on the first die structure to form a plurality of individual die structures. The singulation process singulates the stacked dummy structure into a plurality of individual stacked dummy structures.

Abstract: A semiconductor package includes a redistribution structure, a first device and a second device attached to the redistribution structure, the first device including: a first die, a support substrate bonded to a first surface of the first die, and a second die bonded to a second surface of the first die opposite the first surface, where a total height of the first die and the second die is less than a first height of the second device, and where a top surface of the substrate is at least as high as a top surface of the second device, and an encapsulant over the redistribution structure and surrounding the first device and the second device.

Abstract: A method includes placing a first package component. The first package component includes a first alignment mark and a first dummy alignment mark. A second package component is aligned to the first package component. The second package component includes a second alignment mark and a second dummy alignment mark. The aligning is performed using the first alignment mark for positioning the first package component, and using the second alignment mark for position the second package component. The second package component is bonded to the first package component to form a package, with the first alignment mark being bonded to the second dummy alignment mark.

Abstract: A method of forming a package includes bonding a device die to an interposer wafer, with the interposer wafer including metal lines and vias, forming a dielectric region to encircle the device die, and forming a through-via to penetrate through the dielectric region. The through-via is electrically connected to the device die through the metal lines and the vias in the interposer wafer. The method further includes forming a polymer layer over the dielectric region, and forming an electrical connector. The electrical connector is electrically coupled to the through-via through a conductive feature in the polymer layer. The interposer wafer is sawed to separate the package from other packages.

Abstract: 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.