Abstract: A package includes a first package component, which includes a bottom dielectric layer, a micro-bump protruding below the bottom dielectric layer, and a metal pillar protruding below the bottom dielectric layer. The metal pillar has a top width and a bottom width greater than the top width. The package further includes a die underlying and bonding to the micro-bump, a solder region underlying and joining to a bottom surface of the metal pillar, and a second package component underlying the first package component. The second package component includes a conductive feature underlying and joining to the solder region.

Abstract: A package includes a package substrate, the package substrate having a first side and a second side opposite to the first side, a package component bonded to the first side of the package substrate, a front-side warpage control structure attached to the first side of the package substrate, and a backside warpage control structure embedded in the package substrate from the second side of the package substrate. The front-side warpage control structure includes a first disconnected structure and a second disconnected structure laterally separated from each other by a gap. The backside warpage control structure includes a third disconnected structure and a fourth disconnected structure laterally separated from each other.

Abstract: Semiconductor packages and methods of fabricating semiconductor packages include bonding structures on a surface of an interposer having non-uniform height dimensions in different regions of the interposer. A plurality of solder connections may contact the pillars and electrically connect the respective pillars of the interposer to corresponding bonding structures on a package substrate. The variation in the heights of the pillars in different regions of the interposer may compensate for warping of the interposer and improve the reliability of the electrical connections between the interposer and the package substrate.

Abstract: Semiconductor devices and methods of manufactured are presented in which a first redistribution structure is formed, semiconductor devices are bonded to the first redistribution structure, and the semiconductor devices are encapsulated in an encapsulant. First openings are formed within the encapsulant, such as along corners of the encapsulant, in order to help relieve stress and reduce cracks.

Abstract: A metallization structure electrically connected to a conductive bump is provided. The metallization structure includes an oblong-shaped or elliptical-shaped redistribution pad, a conductive via disposed on the oblong-shaped or elliptical-shaped redistribution pad, and an under bump metallurgy covering the conductive via, wherein the conductive bump is disposed on the UBM. Furthermore, a package structure including the above-mentioned metallization structures is provided.

Abstract: A semiconductor package including a recessed stiffener ring and a method of forming are provided. The semiconductor package may include a substrate, a semiconductor die bonded to the substrate, an underfill between the semiconductor die and the substrate, and a stiffener ring attached to the substrate, wherein the stiffener ring encircles the semiconductor die in a top view. The stiffener ring may include a recess that faces the semiconductor die.

Abstract: A metallization structure electrically connected to a conductive bump is provided. The metallization structure includes an oblong-shaped or elliptical-shaped redistribution pad, a conductive via disposed on the oblong-shaped or elliptical-shaped redistribution pad, and an under bump metallurgy covering the conductive via, wherein the conductive bump is disposed on the UBM. Furthermore, a package structure including the above-mentioned metallization structures is provided.

Abstract: A package assembly includes a package substrate, an interposer module on the package substrate, and a package lid on the interposer module and attached to the package substrate. The package lid includes an outer lid including an outer lid material and including an outer lid plate portion. The package lid further includes an inner lid including an inner lid material different than the outer lid material and including an inner lid plate portion attached to a bottom surface of the outer lid plate portion.

Abstract: A fan-out package includes a redistribution structure having redistribution-side bonding structures, a plurality of semiconductor dies including a respective set of die-side bonding structures that is attached to a respective subset of the redistribution-side bonding structures through a respective set of solder material portions, and an underfill material portion laterally surrounding the redistribution-side bonding structures and the die-side bonding structures of the plurality of semiconductor dies. A subset of the redistribution-side bonding structures is not bonded to any of the die-side bonding structures of the plurality of semiconductor dies and is laterally surrounded by the underfill material portion, and is used to provide uniform distribution of the underfill material during formation of the underfill material portion.

Abstract: A semiconductor package includes a die, a first conductive pattern, a second conductive pattern and first and second under-ball metallurgy (UBM) patterns. The first conductive pattern and the second conductive pattern are disposed below and electrically connected to the die, wherein the first conductive pattern has an ellipse-like shape, and the second conductive pattern has a circular shape. The first and second under-ball metallurgy (UBM) patterns correspond to the first and second conductive patterns, the first conductive pattern has a first length, the second conductive pattern has a second length, the first and second UBM patterns have a third length, wherein the first length is larger than the third length and the second length is smaller than the third length.

Abstract: An embodiment is package structure including a first integrated circuit die, a redistribution structure bonded to the first integrated circuit die, the redistribution structure including a first metallization pattern in a first dielectric layer, the first metallization pattern including a plurality of first conductive features, each of the first conductive features including a first conductive via in the first dielectric layer and first conductive line over the first dielectric layer and electrically coupled to the respective first conductive via, each of the first conductive lines comprising a curve in a plan view, a second dielectric layer over the first dielectric layer and the first metallization pattern, and a second metallization pattern in the second dielectric layer, the second metallization pattern including a plurality of second conductive via in the second dielectric layer, each of the second conductive vias being over and electrically coupled to a respective first conductive line.

Abstract: A redistribution structure includes a first dielectric layer, a pad pattern, and a second dielectric layer. The pad pattern is disposed on the first dielectric layer and includes a pad portion and a peripheral portion. The pad portion is embedded in the first dielectric layer, wherein a lower surface of the pad portion is substantially coplanar with a lower surface of the first dielectric layer. The peripheral portion surrounds the pad portion. The second dielectric layer is disposed on the pad pattern and includes a plurality of extending portions extending through the peripheral portion.

Abstract: A semiconductor structure includes a fan-out package comprising at least one semiconductor die, a redistribution structure including fan-out bonding pads, and a first underfill material portion located between the at least one semiconductor die and the redistribution structure; a packaging substrate comprising chip-side bonding pads; an array of solder material portions bonded to the chip-side bonding pads and the fan-out bonding pads; a second underfill material portion laterally surrounding the array of solder material portions; and at least one buffer block structure located between a respective neighboring pair of solder material portions within the array of solder material portions and between the fan-out package and the packaging substrate, and laterally surrounded by the second underfill material portion.

Abstract: A semiconductor package includes a first die, a second die and a buffer layer. The first die and the second die are stacked on the first die. The buffer layer is disposed on a first sidewall of the second die, wherein a second sidewall opposite to the first sidewall of the second die is flush with a third sidewall of the first die.

Abstract: A package structure is provided. The package structure includes a semiconductor die over a redistribution structure, bonding elements below the redistribution structure, and an underfill layer surrounding the bonding elements and the redistribution structure. The semiconductor die has a rectangular profile in a plan view. A pitch of the bonding elements is defined as the sum of a diameter of the bonding elements and a spacing between neighboring two of the bonding elements. A first circular area of the redistribution structure is entirely covered and in direct contact with the underfill layer. The center of the first circular area is aligned with a first corner of the rectangular profile of the semiconductor die. A diameter of the first circular area is greater than twice the pitch of the bonding elements.

Abstract: A chip package structure is provided. The chip package structure includes a redistribution structure including a dielectric structure and a plurality of wiring layers in or over the dielectric structure. The chip package structure includes a shield bump structure over the redistribution structure and electrically insulated from the wiring layers. The chip package structure includes a first chip structure bonded to the redistribution structure. The first chip structure is electrically insulated from the shield bump structure, and the first chip structure partially overlaps the shield bump structure. The chip package structure includes a second chip structure bonded to the redistribution structure.

Abstract: A method includes forming a redistribution structure, which formation process includes forming a plurality of dielectric layers over a carrier, forming a plurality of redistribution lines extending into the plurality of dielectric layers, and forming a reinforcing patch over the carrier. The method further includes bonding a package component to the redistribution structure, with the package component having a peripheral region overlapping a portion of the reinforcing patch. And de-bonding the redistribution structure and the first package component from the carrier.

Abstract: A package structure is provided. The package structure includes a semiconductor die bonding on a first surface of a redistribution structure through first bonding elements, and a wall structure bonding on the first surface of the redistribution structure through second bonding elements. The wall structure includes a plurality of partitions laterally arranged in a discontinuous ring, and the semiconductor die is located within the discontinuous ring.

Abstract: Devices and method for forming a chip package structure including at least one semiconductor die attached to a redistribution structure, a molding compound die frame laterally surrounding the at least one semiconductor die, and a first underfill material portion located between the redistribution structure and the at least one semiconductor die and contacting sidewalls of the at least one semiconductor die and sidewalls of the molding compound die frame. The first underfill material portion may include at least one cut region, in which the first underfill material portion may include a vertically-extending portion having a uniform lateral width and a horizontally-extending portion having a uniform vertical thickness and adjoined to a bottom end of the vertically-extending portion within each of the at least one cut region.

Abstract: A redistribution structure includes a first dielectric layer, a pad pattern, and a second dielectric layer. The pad pattern is disposed on the first dielectric layer and includes a pad portion and a peripheral portion. The pad portion is embedded in the first dielectric layer, wherein a lower surface of the pad portion is substantially coplanar with a lower surface of the first dielectric layer. The peripheral portion surrounds the pad portion. The second dielectric layer is disposed on the pad pattern and includes a plurality of extending portions extending through the peripheral portion.