Abstract: A method includes receiving a first design for conductive bumps on a first surface of an interposer, the conductive bumps in the first design having a same cross-section area; grouping the conductive bumps in the first design into a first group of conductive bumps in a first region of the first surface and a second group of conductive bumps in a second region of the first surface, where a bump pattern density of the second region is lower than that of the first region; forming a second design by modifying the first design, where modifying the first design includes modifying a cross-section area of the second group of conductive bumps in the second region; and forming the conductive bumps on the first surface of the interposer in accordance with the second design, where after being formed, the first group of conductive bumps and the second group of conductive bumps have different cross-section areas.

Abstract: A method for forming a chip package structure is provided. The method includes forming a first conductive bump and a first ring-like structure over a chip. The first ring-like structure surrounds the first conductive bump, the first ring-like structure and the first conductive bump are made of a same first material, the chip includes an interconnect structure, and the first ring-like structure is electrically insulated from the interconnect structure and the first conductive bump. The method includes bonding the chip to a substrate through the first conductive bump.

Abstract: A method for forming a chip package structure is provided. The method includes forming a first conductive bump and a first ring-like structure over a chip. The first ring-like structure surrounds the first conductive bump, the first ring-like structure and the first conductive bump are made of a same first material, the chip includes an interconnect structure, and the first ring-like structure is electrically insulated from the interconnect structure and the first conductive bump. The method includes bonding the chip to a substrate through the first conductive bump.

Abstract: A method for sawing a semiconductor wafer is provided. The method includes sawing the semiconductor wafer with a first dicing blade to form a first opening. The semiconductor wafer includes a dicing tape and a substrate attached to the dicing tape. The first opening is formed in the upper portion of the substrate. The method also includes sawing the semiconductor wafer with a second dicing blade from the first opening to form a second opening under the first opening and in the middle portion of the substrate. The method further includes sawing the semiconductor wafer with a third dicing blade from the second opening to form a third opening under the second opening and penetrating the lower portion of the substrate, so that the semiconductor wafer is divided into two dies. The first dicing blade, the second dicing blade, and the third dicing blade have different widths.

Abstract: A method of manufacturing a semiconductor structure is provided. The method includes providing a first substrate including a plurality of conductive bumps disposed over the first substrate; providing a second substrate; disposing a patterned adhesive over the first substrate, wherein at least a portion of the plurality of conductive bumps is exposed through the patterned adhesive; bonding the first substrate with the second substrate; and singulating a chip from the first substrate.

Abstract: A method for sawing a semiconductor wafer is provided. The method includes sawing a semiconductor wafer to form a first opening. In addition, the semiconductor wafer includes a dicing tape and a substrate attached to the dicing tape by a die attach film (DAF), and the first opening is formed in an upper portion of the substrate. The method further includes sawing through the substrate and the DAF of the semiconductor wafer from the first opening to form a middle opening under the first opening and a second opening under the middle opening, so that the semiconductor wafer is divided into two dies. In addition, a slope of a sidewall of the middle opening is different from slopes of sidewalls of the first opening and the second opening.

Abstract: A method for forming a package structure includes forming an under bump metallization (UBM) layer over a metal pad and forming a photoresist layer over the UBM layer. The method further includes patterning the photoresist layer to form an opening in the photoresist layer. The method also includes forming a first bump structure over the first portion of the UBM layer. The first bump structure includes a first barrier layer over a first pillar layer. The method includes placing a second bump structure over the first bump structure. The second bump structure includes a second barrier layer over a second pillar layer. The method further includes reflowing the first bump structure and the second bump structure to form a solder joint between a first inter intermetallic compound (IMC) and a second IMC.

Abstract: A method for forming a chip package structure is provided. The method includes forming a first conductive bump and a first ring-like structure over a chip. The first ring-like structure surrounds the first conductive bump, the first ring-like structure and the first conductive bump are made of a same first material, the chip includes an interconnect structure, and the first ring-like structure is electrically insulated from the interconnect structure and the first conductive bump. The method includes bonding the chip to a substrate through the first conductive bump.

Abstract: A package structure is provided. The package structure includes a first bump structure formed over a substrate, a solder joint formed over the first bump structure and a second bump structure formed over the solder joint. The first bump structure includes a first pillar layer formed over the substrate and a first barrier layer formed over the first pillar layer. The first barrier layer has a first protruding portion which extends away from a sidewall surface of the first pillar layer, and a distance between the sidewall surface of the first pillar layer and a sidewall surface of the first barrier layer is in a range from about 0.5 ?m to about 3 ?m. The second bump structure includes a second barrier layer formed over the solder joint and a second pillar layer formed over the second barrier layer, wherein the second barrier layer has a second protruding portion which extends away from a sidewall surface of the second pillar layer.

Abstract: A method includes forming a first dielectric layer over a conductive pad, forming a second dielectric layer over the first dielectric layer, and etching the second dielectric layer to form a first opening, with a top surface of the first dielectric layer exposed to the first opening. A template layer is formed to fill the first opening. A second opening is then formed in the template layer and the first dielectric layer, with a top surface of the conductive pad exposed to the second opening. A conductive pillar is formed in the second opening.

Abstract: A method includes forming a first dielectric layer over a conductive pad, forming a second dielectric layer over the first dielectric layer, and etching the second dielectric layer to form a first opening, with a top surface of the first dielectric layer exposed to the first opening. A template layer is formed to fill the first opening. A second opening is then formed in the template layer and the first dielectric layer, with a top surface of the conductive pad exposed to the second opening. A conductive pillar is formed in the second opening.

Abstract: A package includes a die, a plurality of conductive structures, an encapsulant, and a redistribution structure. The die has an active surface and a rear surface opposite to the active surface. The conductive structures surround the die. The conductive structures include elliptical columns. The encapsulant encapsulates the die and the conductive structures. The redistribution structure is over the active surface of the die and the encapsulant. The redistribution structure is electrically connected to the die and the conductive structures.

Abstract: A method for sawing a semiconductor wafer is provided. The method includes sawing a semiconductor wafer to form a first opening. In addition, the semiconductor wafer includes a dicing tape and a substrate attached to the dicing tape by a die attach film (DAF), and the first opening is formed in an upper portion of the substrate. The method further includes sawing through the substrate and the DAF of the semiconductor wafer from the first opening to form a middle opening under the first opening and a second opening under the middle opening, so that the semiconductor wafer is divided into two dies. In addition, a slope of a sidewall of the middle opening is different from slopes of sidewalls of the first opening and the second opening.

Abstract: A method of manufacturing a semiconductor structure is provided. The method includes providing a first substrate including a plurality of conductive bumps disposed over the first substrate; providing a second substrate; disposing a patterned adhesive over the first substrate, wherein at least a portion of the plurality of conductive bumps is exposed through the patterned adhesive; bonding the first substrate with the second substrate; and singulating a chip from the first substrate.

Abstract: A method includes receiving a first design for conductive bumps on a first surface of an interposer, the conductive bumps in the first design having a same cross-section area; grouping the conductive bumps in the first design into a first group of conductive bumps in a first region of the first surface and a second group of conductive bumps in a second region of the first surface, where a bump pattern density of the second region is lower than that of the first region; forming a second design by modifying the first design, where modifying the first design includes modifying a cross-section area of the second group of conductive bumps in the second region; and forming the conductive bumps on the first surface of the interposer in accordance with the second design, where after being formed, the first group of conductive bumps and the second group of conductive bumps have different cross-section areas.

Abstract: A package on package structure includes a first package, a plurality of conductive bumps, a second package and an underfill. The conductive bumps are disposed on a second surface of the first package and electrically connected to the first package. The second package is disposed on the second surface of the first package through the conductive bumps, and includes a semiconductor device and an encapsulating material encapsulating the semiconductor device. A shortest distance from an upper surface of the encapsulating material to an upper surface of the semiconductor device is greater than or substantially equal to twice a thickness of the semiconductor device. The underfill is filled between the first package and the second package.

Abstract: A package includes a die, a plurality of first conductive structures, a plurality of second conductive structures, an encapsulant, and a redistribution structure. The die has an active surface and a rear surface opposite to the active surface. The first conductive structures and the second conductive structures surround the die. The first conductive structures include cylindrical columns and the second conductive structures include elliptical columns or conical frustums. The encapsulant encapsulates the die, the first conductive structures, and the second conductive structures. The redistribution structure is over the active surface of the die and the encapsulant. The redistribution structure is electrically connected to the die, the first conductive structures, and the second conductive structures.

Abstract: A package on package structure includes a first package, a plurality of conductive bumps, a second package and an underfill. The conductive bumps are disposed on a second surface of the first package and electrically connected to the first package. The second package is disposed on the second surface of the first package through the conductive bumps, and includes a semiconductor device and an encapsulating material encapsulating the semiconductor device. A shortest distance from an upper surface of the encapsulating material to an upper surface of the semiconductor device is greater than or substantially equal to twice a thickness of the semiconductor device. The underfill is filled between the first package and the second package.

Abstract: A method of manufacturing a semiconductor structure includes receiving a first substrate including an IMD layer disposed over the first substrate and a plurality of conductive bumps disposed in the IMD layer; receiving a second substrate; disposing a patterned adhesive over the first substrate, wherein at least a portion of the IMD layer is exposed through the patterned adhesive; and bonding the first substrate with the second substrate, wherein a top surface of the at least portion of the IMD layer is exposed through the patterned adhesive after bonding the first substrate with the second substrate.

Abstract: A method for sawing a semiconductor wafer is provided. The method includes sawing a semiconductor wafer to form a first opening. In addition, the semiconductor wafer includes a dicing tape and a substrate attached to the dicing tape by a die attach film (DAF), and the first opening is formed in an upper portion of the substrate. The method further includes sawing through the substrate and the DAF of the semiconductor wafer from the first opening to form a middle opening under the first opening and a second opening under the middle opening, so that the semiconductor wafer is divided into two dies. In addition, a slope of a sidewall of the middle opening is different from slopes of sidewalls of the first opening and the second opening.