H01L2224/11622

INTERCONNECTION STRUCTURE OF A SEMICONDUCTOR CHIP AND SEMICONDUCTOR PACKAGE INCLUDING THE INTERCONNECTION STRUCTURE
20220093521 · 2022-03-24 · ·

An interconnection structure of a semiconductor chip may include an interconnection via, a lower pad, a conductive bump, and an upper pad. The interconnection via may be arranged in the semiconductor chip. The lower pad may be arranged on a lower end of the interconnection via exposed through a lower surface of the semiconductor chip. The conductive bump may be arranged on the lower pad. The upper pad may be arranged on an upper end of the interconnection via exposed through an upper surface of the semiconductor chip. The upper pad may have a width wider than a width of the interconnection via and narrower than a width of the lower pad. Thus, an electrical short between the conductive bumps may not be generated in the interconnection structure having a thin thickness.

BACK PLATE AND MANUFACTURING METHOD THEREOF, METHOD FOR BONDING CHIP, AND DISPLAY DEVICE
20220068873 · 2022-03-03 ·

A backplane (0) and a fabrication method therefor, a chip (01) bonding method, and a display device. The backplane (0) comprises: a base substrate (10); and conductive connection tubes (20) located on the base substrate (10). One end of each conductive connection tube (20) is connected to the base substrate (10), and the side walls of the conductive connection tubes (20) are provided with openings that penetrate said side walls. During the process of bonding the chip (01) to the backplane (0), when the conductive connection tubes (20) are heated, air within inner cavities of the conductive connection tubes (20) can be discharged by means of the openings on the side walls of the conductive connection tubes (20), which helps to ensure the reliability of the bonding between the chip (01) and the backplane (0).

STRUCTURES AND METHODS FOR ELECTRICALLY CONNECTING PRINTED COMPONENTS

A printed structure includes a destination substrate comprising two or more contact pads disposed on or in a surface of the destination substrate, a component disposed on the surface, and two or more electrically conductive connection posts. Each of the connection posts extends from a common side of the component. Each of the connection posts is in electrical and physical contact with one of the contact pads. The component is tilted with respect to the surface of the destination substrate. Each of the connection posts has a flat distal surface.

STRUCTURES AND METHODS FOR ELECTRICALLY CONNECTING PRINTED COMPONENTS

A printed structure includes a destination substrate comprising two or more contact pads disposed on or in a surface of the destination substrate, a component disposed on the surface, and two or more electrically conductive connection posts. Each of the connection posts extends from a common side of the component. Each of the connection posts is in electrical and physical contact with one of the contact pads. The component is tilted with respect to the surface of the destination substrate. Each of the connection posts has a flat distal surface.

Leadframes in semiconductor devices

In one instance, a method of forming a semiconductor package with a leadframe includes cutting, such as with a laser, a first side of a metal strip to a depth D1 according to a cutting pattern to form a first plurality of openings, which may be curvilinear. The method further includes etching the second side of the metal strip to a depth D2 according to a photoresist pattern to form a second plurality of openings. At least some of the first plurality of openings are in fluid communication with at least some of the second plurality of openings to form a plurality of leadframe leads. The depth D1 is shallower than a height H of the metal strip, and the depth D2 is also shallower than the height H. Other embodiments are presented.

Methods for bump planarity control

A method for manufacturing an integrated circuit package includes depositing a first layer of metal at a location of a first metal post that is for connecting an IC die to an external circuit. The method also includes depositing a second layer of metal at the location of the first metal post, and a first layer of metal at a location of a second metal post that is for connecting the IC die to an external circuit.

Mixed under bump metallurgy (UBM) interconnect bridge structure

An electronic package and a method of manufacture includes a substrate having an upper surface with a trench formed in a bridge region. First pads are arranged on the upper surface of the substrate, outside of the bridge region, and a bridge is positioned in the trench. A plurality of second pads are arranged on an upper surface of the bridge. A plurality of pillars are electrically coupled to the plurality of second pads. Two or more semiconductor chips are positioned in a side-by-side proximal arrangement overlaying the bridge and the substrate. A first semiconductor chip is joined to the bridge, then a second semiconductor chip is joined to the bridge, followed by attaching the chip-bridge assembly to the substrate with the bridge positioned within the substrate trench. Each of the two or more semiconductor chips have first electrical connections including bumps, and second electrical connections including third pads.

SELF ALIGNED PATTERN FORMATION POST SPACER ETCHBACK IN TIGHT PITCH CONFIGURATIONS

A method of forming a structure for etch masking that includes forming first dielectric spacers on sidewalls of a plurality of mandrel structures and forming non-mandrel structures in space between adjacent first dielectric spacers. Second dielectric spacers are formed on sidewalls of an etch mask having a window that exposes a connecting portion of a centralized first dielectric spacer. The connecting portion of the centralized first dielectric spacer is removed. The mandrel structures and non-mandrel structures are removed selectively to the first dielectric spacers to provide an etch mask. The connecting portion removed from the centralized first dielectric spacer provides an opening connecting a first trench corresponding to the mandrel structures and a second trench corresponding to the non-mandrel structures.

Chip on Package Structure and Method
20210217726 · 2021-07-15 ·

A system and method for packaging semiconductor device is provided. An embodiment comprises forming vias over a carrier wafer and attaching a first die over the carrier wafer and between a first two of the vias. A second die is attached over the carrier wafer and between a second two of the vias. The first die and the second die are encapsulated to form a first package, and at least one third die is connected to the first die or the second die. A second package is connected to the first package over the at least one third die.

First layer interconnect first on carrier approach for EMIB patch

A patch structure of an integrated circuit package comprises a core having a first side facing downwards and a second side facing upwards. A first solder resist (SR) layer is formed on the first side of the core, wherein the first SR layer comprises a first layer interconnect (FLI) and has a first set of one or more microbumps thereon to bond to one or more logic die. A second solder resist (SR) layer is formed on the second side of the core, wherein the second SR layer has a second set of one or more microbumps thereon to bond with a substrate. One or more bridge dies includes a respective sets of bumps, wherein the one or more bridge dies is disposed flipped over within the core such that the respective sets of bumps face downward and connect to the first set of one or more microbumps in the FLI.