H01L2224/16221

Semiconductor chip with patterned underbump metallization and polymer film

Various semiconductor chip solder bump and underbump metallization (UBM) structures and methods of making the same are disclosed. In one aspect, a method is provided that includes forming a first underbump metallization layer on a semiconductor chip is provided. The first underbump metallization layer has a hub, a first portion extending laterally from the hub, and a spoke connecting the hub to the first portion. A polymer layer is applied to the first underbump metallization layer. The polymer layer includes a first opening in alignment with the hub and a second opening in alignment with the spoke. A portion of the spoke is removed via the second opening to sever the connection between the hub and the first portion.

Semiconductor Packaging Method, Semiconductor Assembly and Electronic Device Comprising Semiconductor Assembly
20220173004 · 2022-06-02 ·

A semiconductor packaging method, a semiconductor assembly and an electronic device comprising the semiconductor assembly are disclosed herein. The semiconductor packaging method comprises providing at least one semiconductor device and a carrier board. A plurality of first alignment solder parts are formed on a passive surface of the semiconductor device, and a plurality of corresponding second alignment solder parts are formed on the carrier board. The method further comprises forming a plurality of alignment solder joints by aligning and soldering the first alignment solder parts to respective ones of the second alignment solder parts whereby the semiconductor device is aligned and fixed to the carrier board; encapsulating the at least one semiconductor device to form a molded package body; sequentially forming a redistribution layer and external terminals on the molded package body so that the connection terminals are connected to the external terminal through the interconnection layer.

Semiconductor package and manufacturing method thereof

A semiconductor package including a plurality of first chips, a plurality of through silicon vias, a least one insulator, a first circuit structure and a first encapsulant is provided. The first chip electrically connected to the through silicon vias includes a sensing area on a first active surface, a first back surface and a plurality of through holes extending from the first back surface towards the first active surface. The insulator is disposed on the first active surfaces of the first chips. The first circuit structure disposed on the first back surfaces of the first chips and electrically connected to the through silicon vias. The first encapsulant, laterally encapsulating the first chips.

Heatsink cutout and insulating through silicon vias to cut thermal cross-talk

Embodiments disclosed herein include electronic packages. In an embodiment, the electronic package comprises an interposer, a first die attached to the interposer, and a second die attached to the interposer. In an embodiment, the electronic package further comprises a heatsink thermally coupled to the first die and the second die. In an embodiment, the heatsink has a first surface facing away from the first die and the second die and a second surface facing the first die and the second die. In an embodiment, the heatsink comprises a thermal break between the first die and the second die.

CHIP PACKAGING APPARATUS AND PREPARATION METHOD THEREOF
20220077018 · 2022-03-10 · ·

A chip packaging apparatus and a preparation method thereof are provided, to modulate warpage of a chip, thereby resolving a problem of mismatch between a warpage degree of the chip and a warpage degree of a substrate. The chip packaging apparatus includes a chip, a substrate, and a warpage modulation structure, where a surface that is of the chip and that faces the substrate is electrically connected to the substrate, the warpage modulation structure is disposed on a surface that is of the chip and that is opposite to the substrate, and a coefficient of thermal expansion of the warpage modulation structure is greater than a coefficient of thermal expansion of the chip.

Patch on interposer package with wireless communication interface
11140723 · 2021-10-05 · ·

A patch on interposer (PoINT) package is described with a wireless communications interface. Some examples include an interposer, a main patch attached to the interposer, a main integrated circuit die attached to the patch, a second patch attached to the interposer, and a millimeter wave radio die attached to the second patch and coupled to the main integrated circuit die through the interposer to communicate data between the main die and an external component.

Blade computing system with wireless communication between blades within a blade enclosure
11109428 · 2021-08-31 · ·

A blade computing system is described with a wireless communication between blades. In one embodiment, the system includes a first blade in the enclosure having a radio transceiver to communicate with a radio transceiver of a second blade in the enclosure. The second blade has a radio transceiver to communicate with the radio transceiver of the first blade. A switch in the enclosure communicates with the first blade and the second blade and establishes a connection through the respective radio transceivers between the first blade and the second blade.

HEATSINK CUTOUT AND INSULATING THROUGH SILICON VIAS TO CUT THERMAL CROSS-TALK
20210249324 · 2021-08-12 ·

Embodiments disclosed herein include electronic packages. In an embodiment, the electronic package comprises an interposer, a first die attached to the interposer, and a second die attached to the interposer. In an embodiment, the electronic package further comprises a heatsink thermally coupled to the first die and the second die. In an embodiment, the heatsink has a first surface facing away from the first die and the second die and a second surface facing the first die and the second die. In an embodiment, the heatsink comprises a thermal break between the first die and the second die.

METHODS AND APPARATUS FOR TEMPERATURE MODIFICATION IN BONDING STACKED MICROELECTRONIC COMPONENTS AND RELATED SUBSTRATES AND ASSEMBLIES
20210296192 · 2021-09-23 ·

This patent application relates to methods and apparatus for temperature modification within a stack of microelectronic devices for mutual collective bonding of the microelectronic devices, and to related substrates and assemblies.

Chip Package Structure with Bump
20210082855 · 2021-03-18 ·

A chip package structure is provided. The chip package structure includes a redistribution structure and a first chip structure over the redistribution structure. The chip package structure also includes a first solder bump between the redistribution structure and the first chip structure and a first molding layer surrounding the first chip structure. The chip package structure further includes a second chip structure over the first chip structure and a second molding layer surrounding the second chip structure. In addition, the chip package structure includes a third molding layer surrounding the first molding layer, the second molding layer, and the first solder bump. A portion of the third molding layer is between the first molding layer and the redistribution structure.