Abstract: A method includes forming a first dielectric layer, forming a first redistribution line comprising a first via extending into the first dielectric layer, and a first trace over the first dielectric layer, forming a second dielectric layer covering the first redistribution line, and patterning the second dielectric layer to form a via opening. The first redistribution line is revealed through the via opening. The method further includes forming a second via in the second dielectric layer, and a conductive pad over and contacting the second via, and forming a conductive bump over the conductive pad. The conductive pad is larger than the conductive bump, with a first center of conductive pad being offsetting from a second center of the conductive bump. The second via is further offset from the second center of the conductive bump.

Abstract: Semiconductor devices having improved under-bump metallization layouts and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes an IC die; an interconnect structure coupled to the IC die and including a metallization pattern including a via portion extending through a dielectric layer; a second dielectric layer over the dielectric layer opposite the IC die; and a second metallization pattern coupled to the metallization pattern and including a line portion in the dielectric layer and a second via portion extending through the second dielectric layer; and a UBM over the second metallization pattern and the second dielectric layer, the UBM being coupled to the second metallization pattern, a centerline of the via portion and a second centerline of the second via portion being misaligned with a third centerline of the UBM, the centerline and the second centerline being on opposite sides of the third centerline.

Abstract: A fan-out package includes at least one semiconductor die attached to an interposer structure. a molding compound die frame laterally surrounding the at least one semiconductor die and including a molding compound material, and at least one stress buffer structure located on the interposer structure and including a stress buffer material having a first Young's modulus. The molding compound die frame includes a molding compound material having a second Young's modulus that is greater than the first Young's modulus.

Abstract: A semiconductor package includes a package substrate; semiconductor devices disposed on the package substrate; a package ring disposed on a perimeter of package substrate surrounding the semiconductor devices; a cover disposed over the package ring and the semiconductor devices; a cover adhesive bonding the cover to the package ring; and a stress-reduction structure including first channels formed in an upper surface of the package ring and second channels formed in a lower surface of a portion of the cover that overlaps with the first channels.

Abstract: A multi-chip device includes a first material within a substrate. The first material has a first coefficient of thermal expansion different than a second coefficient of thermal expansion of the substrate. A first chip overlies a first portion of the first material and a first portion of the substrate. A second chip overlies a second portion of the first material and a second portion of the substrate. The first material is between the first portion of the substrate and the second portion of the substrate.

Abstract: A package structure including an organic interposer substrate, a semiconductor die, conductive bumps, an underfill, and an insulating encapsulation is provided. The organic interposer substrate includes stacked organic dielectric layers and conductive wirings embedded in the stacked organic dielectric layers. The semiconductor die is disposed over and electrically connected to the conductive wirings of the organic interposer substrate, and the semiconductor die includes chamfered edges. The conductive bumps are disposed between the semiconductor die and the organic interposer substrate, and the semiconductor die is electrically connected to the organic interposer substrate through the conductive bumps. The underfill is disposed between the semiconductor die and the organic interposer substrate, wherein the underfill encapsulates the conductive bumps and is in contact with the chamfered edges of the at least one semiconductor die.

Abstract: A semiconductor package includes an interposer, a semiconductor die, an underfill layer and an encapsulant. The semiconductor die is disposed over and electrically connected with the interposer, wherein the semiconductor die has a front surface, a back surface, a first side surface and a second side surface, the back surface is opposite to the front surface, the first side surface and the second side surface are connected with the front surface and the back surface, and the semiconductor die comprises a chamfered corner connected with the back surface, the first side surface and the second side surface, the chamfered corner comprises at least one side surface. The underfill layer is disposed between the front surface of the semiconductor die and the interposer. The encapsulant laterally encapsulates the semiconductor die and the underfill layer, wherein the encapsulant is in contact with the chamfered corner of the semiconductor die.

Abstract: A semiconductor die package is provided. The semiconductor die package includes a package substrate, and a first semiconductor die and a second semiconductor die disposed thereon. A ring structure is attached to the package substrate and surrounds the semiconductor dies. A lid structure is attached to the ring structure and disposed over the semiconductor dies, and has an opening exposing the second semiconductor die. A heat sink is disposed over the lid structure and has a portion extending into the opening of the lid structure. A first thermal interface material (TIM) layer is interposed between the lid structure and the first semiconductor die. A second TIM layer is interposed between the extending portion of the heat sink and the second semiconductor die. The first TIM layer has a thermal conductivity higher than the thermal conductivity of the second TIM layer.

Abstract: An organic interposer includes dielectric material layers embedding redistribution interconnect structures, package-side bump structures located on a first side of the dielectric material layers, and die-side bump structures located on a second side of the dielectric material layers. A gap region is present between a first area including first die-side bump structures and a second area including second die-side bump structures. Stress-relief line structures are located on, or within, the dielectric material layers within an area of the gap region in the plan view. Each stress-relief line structures may include straight line segments that laterally extend along a respective horizontal direction and is not electrically connected to the redistribution interconnect structures. The stress-relief line structures may include the same material as, or may include a different material from, a metallic material of the redistribution interconnect structures or bump structures that are located at a same level.

Abstract: Provided is a package structure including a substrate, a stiffener ring, an eccentric die, a lid layer, and a buffer layer. The stiffener ring is disposed on the substrate. The stiffener ring has an inner perimeter to enclose an accommodation area. The eccentric die is disposed within the accommodation area on the substrate. The eccentric die is offset from a center of the accommodation area to close to a first side of the stiffener ring. The lid layer is disposed on the stiffener ring and overlays the eccentric die. The buffer layer is embedded in the lid layer between the first side of the stiffener ring and the eccentric die. The buffer layer has a thickness less than a thickness of the lid layer.

Abstract: A package structure and a formation method of a package structure are provided. The method includes forming multiple conductive vias in a carrier substrate and forming a redistribution structure over the carrier substrate. The redistribution structure has multiple polymer-containing layers and multiple conductive features. The method also includes disposing multiple chip structures over the redistribution structure. The method further includes bonding the carrier substrate to a package structure.

Abstract: A method for forming a chip package structure is provided. The method includes forming a conductive pad over a carrier substrate. The method includes forming a substrate layer over the carrier substrate, wherein the conductive pad is embedded in the substrate layer, and the substrate layer includes fibers. The method includes forming a through hole in the substrate layer and exposing the conductive pad. The method includes forming a conductive pillar in the through hole. The method includes forming a recess in the substrate layer. The method includes disposing a chip in the recess. The method includes forming a molding layer in the recess. The method includes forming a redistribution structure over the substrate layer, the conductive pillar, the molding layer, and the chip. The method includes removing the carrier substrate.

Abstract: A package structure is provided. The package structure includes a first package component and a second package component. The second package component includes a substrate and an electronic component disposed on the substrate, and the first package component is mounted to the substrate. The package structure further includes a ring structure disposed on the second package component and around the first package component. The ring structure has a first foot and a second foot, the first foot and the second foot extend toward the substrate, the electronic component is covered by the ring structure and located between the first foot and the second foot, and the first package component is exposed from the ring structure.

Abstract: A chip package structure is provided. The chip package structure includes a wiring substrate. The chip package structure includes a first chip structure over the wiring substrate. The chip package structure includes a heat-spreading lid over the wiring substrate and covering the first chip structure. The heat-spreading lid includes a ring structure and a top plate. The ring structure surrounds the first chip structure. The top plate covers the ring structure and the first chip structure. The first chip structure has a first sidewall and a second sidewall opposite to the first sidewall, a first distance between the first sidewall and the ring structure is less than a second distance between the second sidewall and the ring structure, the top plate has a first opening, the first opening has a first inner wall and a second inner wall facing each other.

Abstract: A method for forming a chip package structure is provided. The method includes removing a first portion of a substrate to form a first recess in the substrate. The method includes forming a buffer structure in the first recess. A first Young's modulus of the buffer structure is less than a second Young's modulus of the substrate. The method includes forming a first wiring structure over the buffer structure and the substrate. The method includes bonding a chip package to the first wiring structure. The chip package has an interposer substrate and a chip structure over the interposer substrate, and a first corner of the interposer substrate and a second corner of the chip structure overlap the buffer structure in a top view of the chip package and the buffer structure.

Abstract: A semiconductor package includes a die, a redistribution structure and a plurality of conductive terminals. The redistribution structure is disposed below and electrically connected to the die. The redistribution structure includes a plurality of conductive patterns, and at least one of the plurality of conductive patterns has a cross-section substantially parallel to the surface of the die. The cross-section has a long-axis and a short-axis, and the long-axis intersects with a center axis of the die. The conductive terminals are disposed below and electrically connected to the redistribution structure.

Abstract: Provided are a package structure and a method of forming the same. The package structure includes a package substrate, a first die, and a stiffener ring. The first die is disposed on the package substrate and has a first sidewall and a second sidewall opposite to each other. The stiffener ring is disposed on the package substrate to surround the first die. The stiffener ring has an inner sidewall facing the first die, and the inner sidewall at least has a slant sidewall facing the first sidewall of the first die.

Abstract: A package structure is provided. The package structure includes a redistribution structure over a substrate, a semiconductor die over the redistribution structure and electrically coupled to the substrate, and an underfill material over the substrate and encapsulating the redistribution structure and the semiconductor die. The underfill material includes an extension portion overlapping a corner of the semiconductor die and extending into the substrate.

Abstract: A semiconductor die package and a method of forming the same are provided. The semiconductor die package includes a package substrate and a semiconductor device disposed over the package substrate. A ring structure is disposed over the package substrate and laterally surrounds the semiconductor device. The ring structure includes a lower ring portion arranged around the periphery of the package substrate. Multiple notches are formed along the outer periphery of the lower ring portion. The ring structure also includes an upper ring portion integrally formed on the lower ring portion. The upper ring portion laterally extends toward the semiconductor device, so that the inner periphery of the upper ring portion is closer to the semiconductor device than the inner periphery of the lower ring portion. An adhesive layer is interposed between the lower ring portion and the package substrate.

Abstract: Structures and formation methods of a chip package structure are provided. The chip package structure includes an interposer substrate including first and second die regions that are separated by a gap region. The chip package structure also includes first and second semiconductor dies respectively arranged over the first and second die regions. In addition, the chip package structure includes first and second gap-filling layers formed over the gap region and separated from one another, and a third gap-filling layer over the gap region and between the first and second gap-filling layers. The Young's modulus of the third gap-filling layer is less than the Young's modulus of the first gap-filling layer and the Young's modulus of the second gap-filling layer.