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43 results about "Interconnection density" patented technology

Vehicle gauge chip integrated packaging and manufacturing process based on etching technology

The invention discloses a vehicle gauge chip integrated packaging manufacturing process based on an etching technology. The vehicle gauge chip integrated packaging manufacturing process comprises the following steps: step 1, designing and preparing a substrate; step 2, preprocessing the chip; step 3, chip mounting and interconnection are carried out; step 4, plastic packaging and molding; 5, heat dissipation and reinforcement are carried out; step 6, image rotation correction and defect detection; step 7, performing post-working procedures and testing; high-density interconnection such as TSV (through silicon vias), RDL (redistribution layer) and micro bumps is realized by using an etching technology, the interconnection density is remarkably improved, the RDL wiring layer manufactured by using the etching technology has the line width less than 2 microns, high-density interconnection on the surface of a chip is realized, the integration level is further improved, the micro-channel is manufactured in the plastic package layer by using the etching technology, and the packaging efficiency is improved. And the copper radiating fins are embedded, so that the radiating efficiency is effectively improved, the problem of local heat accumulation caused by integration of the power chip and the logic chip is solved, a gap between the chip and the radiating cover plate is filled with a thermal interface material with high thermal conductivity, and the thermal resistance is reduced.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH

Ultra-high density low-profile edge card connector

ActiveCN114980508BPrinted circuit aspectsCoupling contact membersHigh densityInterconnection density
The present disclosure relates to ultra-high density, low profile edge card connectors. The present disclosure increases interconnect density by using a different technology approach than currently used in the industry (stamping and molding). By using a microelectromechanical system (MEMS) technology approach, better geometry and impedance control is achieved to reduce impedance discontinuities and feature sizes. In addition, the present disclosure also includes low connector insertion force, no contact wiping, and precise alignment mechanisms between the connector contacts and the connector contacts on the mating substrate.
Owner:SAMTEC INC

Three-dimensional packaging structure with embedded interconnection silicon bridge and packaging method

PendingCN121335566AData streamInterconnection density
The invention discloses a three-dimensional packaging structure with an embedded interconnection silicon bridge and a packaging method, and relates to the field of semiconductors. The three-dimensional packaging structure comprises a substrate, and pin bonding pads are arranged on the periphery of the substrate; the interconnection silicon bridge is adhered to the center of the substrate; the conductive column is formed above the pin bonding pad and electrically connected with the pin bonding pad, a packaging layer is further arranged above the substrate, the interconnected silicon bridge and the conductive column are wrapped by the packaging layer, and the upper end face of the conductive column is flush with the upper end face of the packaging layer; the chips are inversely arranged above the packaging layer, part of pins of the multiple chips are electrically connected with the interconnection silicon bridges, the other part of pins of the multiple chips are electrically connected with the conductive columns, interconnection between the chips is achieved through the interconnection silicon bridges, the interconnection density is effectively improved, and then data flow in a system is smoother; a communication channel is formed among a plurality of chips, so that seamless data transmission among the chips is realized, the cooperative capability is improved, the chips with various different functions can be matched conveniently, and the calculation performance and the energy efficiency ratio are improved.
Owner:AMQ INTELLIGENT TECH LTD

PoP packaging structure containing silicon bridge

The invention discloses a PoP packaging structure containing a silicon bridge. The PoP packaging structure comprises a first packaging body and a second packaging body which are arranged in a stacked mode. The first packaging body comprises a first interconnection substrate and a first integrated circuit layer which are stacked; the second packaging body comprises a second interconnection substrate, and a second integrated circuit layer and a silicon bridge which are interconnected on the second interconnection substrate; the first interconnection substrate, the second interconnection substrate and the silicon bridge are vertically and electrically connected through a through hole. The technical problems that in the prior art, due to the fact that a three-dimensional PoP package lamination depends on large-size solder balls or conductive columns to achieve supporting and interconnection, interconnection density improvement is limited, the technology is complex, the heat dissipation efficiency is low, and structural miniaturization is insufficient are effectively solved.
Owner:XIAN MICROELECTRONICS TECH INST

Stacked devices and methods of fabrication

ActiveUS12721238B2FoundryHigh bandwidth
Stacked devices and methods of fabrication are provided. Die-to-wafer (D2W) direct-bonding techniques join layers of dies of various physical sizes, form factors, and foundry nodes to a semiconductor wafer, to interposers, or to boards and panels, allowing mixing and matching of variegated dies in the fabrication of 3D stacked devices during wafer level packaging (WLP). Molding material fills in lateral spaces between dies to enable fan-out versions of 3D die stacks with fine pitch leads and capability of vertical through-vias throughout. Molding material is planarized to create direct-bonding surfaces between multiple layers of the variegated dies for high interconnect density and reduction of vertical height. Interposers with variegated dies on one or both sides can be created and bonded to wafers. Logic dies and image sensors from different fabrication nodes and different wafer sizes can be stacked during WLP, or logic dies and high bandwidth memory (HBM) of different geometries can be stacked during WLP.
Owner:ADEIA SEMICONDUCTOR BONDING TECHNOLOGIES INC

Three-dimensional heterogeneous integrated interface structure based on hybrid bonding and stress buffer layer and manufacturing method

PendingCN121772775AEpoxyThermal dilatation
The invention relates to a three-dimensional heterogeneous integrated interface structure based on hybrid bonding and a stress buffer layer, and belongs to the technical field of semiconductor packaging. The interface structure sequentially comprises a copper-copper bonding layer, a polymer micro bump array, a carbon nanotube vertical interconnection bundle, a bonding interface layer, a stress self-adaptive buffer layer, a topological optimization power grid and a substrate from top to bottom, wherein an embedded coaxial interconnection structure and a graphene electromagnetic isolation wall are arranged in the topological optimization power grid. Wherein the stress self-adaptive buffer layer is formed by manufacturing polymer micro-lattices on the surface of the bonding interface layer, filling the micro-lattices with a mixture of negative thermal expansion ceramic particles and epoxy resin, and embedding shape memory alloy micro-springs. And the chip is bonded with the interface structure through the copper-copper bonding layer. The device has the advantages of being high in interconnection density, good in mechanical reliability and excellent in signal integrity, and high-performance three-dimensional heterogeneous integration can be achieved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM +1

Three-dimensional chip packaging structure and manufacturing method

The invention provides a three-dimensional chip packaging structure and a manufacturing method, and relates to the technical field of integrated circuit manufacturing. The display device at least comprises a first substrate; the second substrate is arranged on the first substrate, and an accommodating space is formed between the second substrate and the first substrate; and the chip stacking structure is arranged in the accommodating space between the first substrate and the second substrate, and the chip stacking structure is electrically connected with the second substrate and the first substrate. According to the invention, the integrated three-dimensional integration of multiple chips can be realized, the integration level of the transistor and the function unit is obviously improved, the interconnection density and the space utilization rate are optimized, the problems of insufficient interconnection density, bottleneck of electrical interconnection performance and the like of the traditional packaging are solved, and the packaging efficiency is improved. The chip size is reduced, the data transmission rate and the overall efficiency of the system are effectively improved, and high-speed and low-delay data interaction is achieved.
Owner:QI MOORE (SHANGHAI) SEMICONDUCTOR TECHNOLOGY CO LTD

Photoelectric co-packaging structure and preparation method thereof

The invention provides a photoelectric co-packaging structure and a preparation method thereof, and the method comprises the steps: a device layer in a provided silicon optical wafer at least comprises a device region which is provided with an optical port and a first bonding pad; a leading-out column penetrating through a device area is formed, a first interconnection layer electrically connected with a first bonding pad and the leading-out column is formed on the face, away from a substrate layer, of a device layer, then an electric chip is bonded to the face, away from the device area, of the first interconnection layer, and a second bonding pad exposed out of the electric chip is electrically connected with the first interconnection layer. The substrate layer is removed to expose the leading-out columns and electrically connected with the second interconnection layer through the leading-out columns, the silicon optical wafer is divided to obtain a chip structure comprising a single device area and a light outlet exposed on the side wall, and after the face, away from the device area, of the second interconnection layer is electrically connected with the substrate, the optical fiber array is optically interconnected with the light outlet. The obtained photoelectric co-packaging structure is high in interconnection density, low in interconnection loss, small in size and high in reliability, the production efficiency is improved, and the production cost is effectively reduced.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI +1

Packaging structure and forming method thereof

PendingCN121398624AInterconnection densityMechanical engineering
The invention provides a packaging structure and a forming method thereof, a bridging chip in a wiring insertion layer is in bonding connection with a chip packaging assembly through a first organic interconnection layer and a second organic interconnection layer, and the first organic interconnection layer and the second organic interconnection layer are bonded to form an organic hybrid bonding structure. The bridging chip does not need to be connected with the chip packaging assembly through soldering tin, so that the reliability problem of the packaging structure caused by defects (cavities or cracks) of welding points does not exist, and the packaging structure provided by the invention has good reliability; moreover, the interconnection density of the bridging chip and the devices in the chip packaging assembly can be improved, the denser I / O interconnection is realized, the transmission density is improved, and the delay is reduced.
Owner:JCET MICROELECTRONICS (JIANGYIN) CO LTD

Multi-mode interference type on-chip waveguide crossing device and photonic integrated device

PendingCN121831998ACoupling light guidesSoftware engineeringInterconnection density
The invention discloses a multi-mode interference type on-chip waveguide crossing device, which comprises a central multi-mode interference part in a prism shape, the central multi-mode interference part comprises N connecting side surfaces and N interval side surfaces, one interval side surface is arranged between every two connecting side surfaces, and the N connecting side surfaces directly face each other in pairs; n waveguide parts, wherein each waveguide part is fused on a corresponding connection side surface; wherein N is an even number greater than or equal to 6. According to the invention, by increasing the number of ports of the crossed waveguide, flexible routing and exchange of more optical signals can be realized, and the interconnection density and the data throughput capacity of the on-chip waveguide crossing device are remarkably improved. Meanwhile, the high-order cross structure of the on-chip waveguide cross device is beneficial to reducing the total number of cross units required on a chip, reducing the overall insertion loss and crosstalk accumulation, and optimizing the layout area and the power consumption efficiency.
Owner:JINAN UNIVERSITY

Preparation method of TSV vertical interconnection structure

The preparation method of the TSV vertical interconnection structure comprises the following steps: firstly, providing a plurality of substrates, wherein each substrate comprises a first surface and a second surface which are oppositely arranged; forming a thin film layer on the first surfaces of the plurality of substrates, wherein the thin film layer comprises a first insulating layer and a bonding layer; and etching from the surfaces of the plurality of thin film layers along the thickness direction of the substrate to form through holes. And then forming metal columns in the through holes to obtain the bonding substrate. And finally, bonding the plurality of bonding substrates, so that the metal columns of different bonding substrates are vertically conducted. According to the TSV vertical interconnection structure, a high-precision and high-aspect-ratio TSV structure can be realized, and the etching process difficulty is reduced. And through repeated stacking, the TSV structure with any depth-to-width ratio can be realized. The interconnection density and the bandwidth are improved, the power consumption and the delay are reduced, and the method is suitable for the application fields of high-performance calculation, memories, sensors and the like.
Owner:THING ELEMENT SEMICON TECH (QINGDAO) CO LTD

Integrated circuit package comprising interposer with glass layer and embedded die

To bond multiple dies together at a fine pitch required to achieve a desired interconnect density.SOLUTION: A microelectronic assembly 100 includes: a first layer having dies 114-1 and 114-2 surrounded by an insulating material 133; a second layer on the first layer having conductive paths 196 through a dielectric material, the conductive paths 196 including a conductive trace and a conductive via having an inverted-trapezoid shape; and a third layer on the second layer having a glass layer and a conductive through-glass via (TGV 110), wherein the conductive TGV 110 is electrically coupled to the conductive paths 196, and the dies 114-1 and 114-2 are electrically coupled to the conductive TGV 110 by the conductive paths 196.SELECTED DRAWING: Figure 1A
Owner:INTEL CORP

Three-dimensional stacked high-density packaging structure based on multi-core particle local interconnection bridge

The utility model provides a three-dimensional stacked high-density packaging structure based on a multi-core particle local interconnection bridge, which at least comprises a substrate, a first chip layer, a second chip layer and an interconnection bridge, a plurality of solder balls are arranged on the substrate, a plurality of core particles of the first chip layer are bonded and packaged with the substrate through the solder balls, and the first chip layer and the second chip layer are bonded and packaged through the interconnection bridge. The second chip layer is arranged above the first chip layer, the interconnection bridge is arranged between the second chip layer and the first chip layer, core particles of the second chip layer and corresponding core particles of the first chip layer are packaged in a bonding mode through solder balls, meanwhile, high-density interconnection is formed through the interconnection bridge, and the line width / line distance of the interconnection layer is smaller than 10 microns / microns. According to the utility model, the interconnection density is effectively improved, the packaging size is obviously reduced, and compared with the prior art, the problem of mismatch of thermal expansion coefficients can be improved.
Owner:AMQ INTELLIGENT TECH LTD

Fan-out system-level packaging method and packaging structure

PendingCN121510998ARedistribution layerInterconnection density
The embodiment of the invention provides a fan-out type system-in-package method and a fan-out type system-in-package structure. The fan-out type system-in-package method comprises the following steps: forming at least one rewiring layer on a temporary carrier; forming a plurality of conductive columns on the first surface of the rewiring layer; mounting a plurality of first chips on the first surface of the rewiring layer; forming a first plastic package layer wrapping the conductive columns and the first chip; cutting the first plastic package layer, and then removing the temporary carrier to form a plurality of independent intermediate package bodies; mounting a plurality of second chips on the second surface of the rewiring layer; forming a second plastic package layer wrapping the second chip; and thinning the first plastic packaging layer to expose the first chip and the conductive columns. According to the method, the rewiring layer is used for replacing a packaging substrate, so that the material cost is reduced, and the interconnection density is greatly improved; the signal transmission path is shortened, the signal loss is reduced, the packaging structure is more suitable for high-frequency application, and meanwhile, the packaging thickness is reduced after a packaging substrate is cancelled; the re-wiring layer is firstly formed and then the chip is mounted, so that the chip is not wasted and the cost is saved.
Owner:南通通富科技有限公司

Chip packaging structure, preparation method thereof and electronic equipment

PendingCN122055030AHigh bandwidthLead bonding
The embodiment of the invention discloses a chip packaging structure, a preparation method thereof and electronic equipment, and relates to the technical field of semiconductors. The chip packaging structure comprises a first substrate, a first chip electrically connected to the first substrate, a plurality of second chips stacked on the first chip, switching structures located on the plurality of second chips, lead bonding areas connected with the second chips and first leads of the first substrate, the second lead is connected with the lead bonding area of the second chip and the switching structure; and the third lead is connected with the first substrate and the switching structure. And along the thickness direction of the first substrate, the lead bonding areas of the two adjacent second chips are arranged in a staggered manner. By arranging the switching structure, the second lead and the third lead and adopting the leads (such as the first lead, the second lead and the third lead) to realize interconnection between the first chip and the second chip, the setting area of I / O in the second chip can be increased, the number of I / O in the second chip can be increased, the interconnection density is effectively improved, and the bandwidth performance is improved.
Owner:HUAWEI TECH CO LTD

Wafer to wafer high density interconnects

An integrated circuit package provides a high bandwidth interconnect between wafers using a very high density interconnect using a silicon bridge or a multi-layer flex between wafers. In some embodiments, more than one wafer may be mounted and connected with a rigid silicon bridge onto a common substrate. This common substrate can be matched, with respect to their coefficients of thermal expansion (CTE), to the silicon wafer. The CTE matched substrate can reduce the thermal mechanical stress on the wafers and the rigid silicon bridge interconnect. In some embodiments, a thinned silicon bridge is utilized to interconnect wafers which are mounted on separate glass substrates. The thinned bridge would allow for mechanical compliance between the wafers. In some embodiments, the wafers can be mounted onto separate glass substrates and attached with a fine pitch multi-layer flex structure which provides compliance between the wafers.
Owner:INTERNATIONAL BUSINESS MACHINE CORPORATION

A multi-chip optical interconnect architecture and method of manufacture

PendingCN122284022AGratingInterconnection density
This invention belongs to the field of advanced packaging technology, specifically relating to a multi-chip optical interconnect architecture and manufacturing method. The manufacturing method includes the following steps: S1, depositing a hard mask on the substrate surface; S2, spin-coating photoresist on the hard mask, pre-baking, alignment exposure, development, and post-baking to transfer the lower layer pattern onto the hard mask, followed by photoresist removal and cleaning; S3, manufacturing a surface ion-exchange optical waveguide; S4, printing matrix electrodes and their circuitry on the substrate surface to achieve a controllable electric field and form the lower layer optical waveguide; S5, depositing, photolithography, and etching on the substrate surface to form the upper layer optical waveguide; S6, mounting a photonic integrated chip and an arrayed waveguide grating router on the substrate surface and aligning and coupling them with the upper and lower layer optical waveguides; S7, depositing a cladding layer on the substrate surface and polishing to expose the upper surface of the photonic integrated chip. This invention effectively reduces optical path crossings and increases interconnect density, thereby achieving high-bandwidth, low-loss optical interconnects between multiple chips on a single chip.
Owner:CENT SOUTH UNIV

Packaging module and packaging circuit

The embodiment of the utility model discloses a packaging module and a packaging circuit, the packaging module comprises at least two assemblies and at least one connector used for realizing interconnection of the assemblies through corresponding connecting lines, and the assemblies are chips or functional modules. Therefore, according to the embodiment of the utility model, the interconnection between the chips, between the functional modules or between the chips and the functional modules can be realized through the connector, the transmission distance between the components is shortened, the loss is reduced, and meanwhile, as the transmission distance between the components is shortened and the required driving is reduced, the design of the interconnection interface can be simplified, and the cost is reduced. Therefore, the size of the interconnection interface can be reduced, and the interconnection density is improved.
Owner:BEIJING PINGTOUGE INFORMATION TECH CO LTD

Optical communication receiving assembly and method of manufacturing the same

PendingCN122641124AHigh densityPhotodetector
The application provides an optical communication receiving assembly and a preparation method thereof, and aims to solve the technical problem that the integration density, structural reliability and optical integrity are difficult to be optimized simultaneously in the packaging of an optical receiving module. The scheme realizes high-density vertical interconnection of a photodetector array and a receiving circuit through hybrid bonding, and forms a sealed cavity by coffer bonding a transparent cover plate after the micro-lens array is manufactured, so that the micro-lens array is in a physical isolation state all the time, and damage to the optical structure is effectively avoided. Meanwhile, low parasitic and short-path signal vertical extraction is realized through a first TSV column. Through the collaborative design of hybrid bonding, cavity protection and TSV vertical interconnection, the application improves the integration density, reduces the parasitic parameters, reduces the packaging size, and improves the structural integrity and optical stability in the process, effectively solving the problems of low interconnection density, large packaging size, fragile structure and easy damage to optical performance in the background art.
Owner:SMARTSENS TECH (SHANGHAI) CO LTD

Three-dimensional package structure and method of forming the same

PendingCN122318859ASemiconductor chipInterconnection density
This application discloses a three-dimensional packaging structure and its formation method. The three-dimensional packaging structure includes: a substrate, the substrate having opposing first and second surfaces, an electronic component mounted on the first surface of the substrate and electrically connected to the substrate; a first molding compound layer located on the first surface of the substrate covering the electronic component; a semiconductor chip mounted on the second surface of the substrate and electrically connected to the substrate; an adapter plate having opposing third and fourth surfaces, the third surface of the adapter plate being mounted on the second surface of the substrate surrounding the semiconductor chip, and the adapter plate being electrically connected to the substrate; a second molding compound layer located on the second surface of the substrate covering the semiconductor chip and the adapter plate, the surface of the second molding compound layer away from the substrate exposing the fourth surface of the adapter plate; and a plurality of first solder bumps located on the fourth surface of the adapter plate being electrically connected to the adapter plate. Increasing the device interconnection density of the solder bumps effectively reduces the warpage of the three-dimensional packaging structure and improves the stability of the three-dimensional packaging structure.
Owner:JCET GROUP CO LTD

A multi-chip optical interconnect architecture and method of manufacture

ActiveCN122284022BGratingInterconnection density
The application belongs to the field of advanced packaging technology, and particularly relates to a multi-chip optical interconnection architecture and a manufacturing method. The manufacturing method comprises the following steps: S1, plating a hard mask on a substrate surface; S2, spin-coating a photoresist on the hard mask, pre-baking, aligning and exposing, developing, post-baking, transferring a lower layer circuit to the hard mask, and removing the photoresist and cleaning; S3, manufacturing a surface layer ion exchange optical waveguide; S4, printing a matrix electrode and a circuit on the substrate surface to form a controllable electric field and a lower layer optical waveguide; S5, plating a film on the substrate surface, photoetching, and etching to form an upper layer optical waveguide; S6, laying the photonic integrated chip and an arrayed waveguide grating router on the substrate surface, and aligning and coupling the photonic integrated chip and the arrayed waveguide grating router with the upper and lower layer optical waveguides; and S7, depositing a cladding layer on the substrate surface and polishing to expose the upper surface of the photonic integrated chip. The application can effectively reduce optical path intersection and improve interconnection density, thereby realizing large-bandwidth, low-loss optical interconnection between multi-chips on a chip.
Owner:CENT SOUTH UNIV

Dynamic computation of tile size for parasitics extraction

Some embodiments provide a method calculating parasitic parameters for an IC design layout having interconnects that traverse multiple interconnect layers. The interconnects represent wires that traverse multiple wiring layers of the IC. The method analyzes congestion of interconnects in a layer of the design layout to identify at least a first region of the layer having a first density of interconnects and a second region of the layer having a second, greater density of interconnects. The method divides the design layout into multiple tiles such that each interconnect of a set of the interconnects is divided into multiple interconnect segments each of which is located in a respective tile. Tiles in the first region are larger than tiles in the second region to account for the different interconnect densities. The method computes parasitic values that express parasitic effects exerted on the interconnect segments on a per-tile basis.
Owner:D2S INC

Semiconductor device and preparation method thereof, chip and electronic device

PendingCN121865630AImprove interconnect densityCell layerDevice material
The invention discloses a semiconductor device and a preparation method thereof, a chip and an electronic device, the semiconductor device comprises a first DRAM layer and a second DRAM layer which are adjacent to each other, the first DRAM layer comprises a first substrate layer, a first back bonding layer and a first DRAM unit layer, a first substrate interconnection structure is formed in the first substrate layer, and a second substrate interconnection structure is formed in the second substrate layer; the first back bonding layer comprises a first back bonding dielectric layer and a first back interconnection structure, and the first back interconnection structure comprises a first back bonding conductive layer; the second DRAM layer comprises a second substrate layer, a second DRAM unit layer and a second front bonding layer, the second front bonding layer comprises a second front bonding dielectric layer and a second front interconnection structure, and the second front interconnection structure comprises a second front bonding conductive layer; and the first back bonding dielectric layer is connected with the second front bonding dielectric layer, and the first back bonding conductive layer is connected with the second front bonding conductive layer, so that mixed bonding from the front side to the back side is adopted among a plurality of DRAM layers, and the interconnection density of the chip is improved.
Owner:ZHEJIANG LIJI ELECTRONICS CO LTD

Hybrid Intermediate Layer and Its Formation Method

PendingCN122094515Aimplement the buildBreak through the size limitSilicon interposerInterconnection density
This application discloses a hybrid interposer and a method for forming the same. The method includes: providing a glass interposer, the glass interposer including a plurality of discrete functional regions and a cut-out region located between adjacent functional regions, the glass interposer including opposing first and second surfaces; forming a first bonding layer on the first surface of the glass interposer; providing a plurality of silicon interposers, each silicon interposer including opposing third and fourth surfaces, the third surface having a second bonding layer; bonding at least one silicon interposer to each functional region of the glass interposer, such that the second bonding layer and the first bonding layer are mixed-bonded; and forming a molding compound covering the silicon interposers on the first surface of the glass interposer, the molding compound exposing the fourth surface of the silicon interposers. This method improves the size and interconnect density of the interposer and reduces the warpage of the interposer.
Owner:JCET GROUP CO LTD

A three-dimensional heterogeneous integrated programmable chip structure and electronic device

The present application relates to the technical field of integrated chip, and especially relates to a three-dimensional heterogeneous integrated programmable chip structure and electronic equipment. In the programmable chip structure, at least two chips are connected in a stack; in the stack structure between the outermost chip and a target chip, two adjacent chips are connected through a three-dimensional heterogeneous integrated bonding structure; if a third chip is adjacent to the first chip on the side far from the second chip, the metal layer close to the second chip is connected to the metal layer close to the third chip in the first chip; a target lead-out structure corresponding to the target chip is arranged on the interface of the outermost chip; and the target lead-out structure is connected to the metal layer close to the second chip in the outermost chip. The present application uses three-dimensional heterogeneous integration technology, reduces the use of holes, interconnection lines and IO structures, increases the interconnection density and speed between chips, and improves the integration of integrated chips.
Owner:XI AN UNIIC SEMICON CO LTD

Stacked devices and methods of fabrication

ActiveUS20260047493A1Semiconductor/solid-state device detailsSolid-state devicesFoundryInterconnection density
Stacked devices and methods of fabrication are provided. Die-to-wafer (D2W) direct-bonding techniques join layers of dies of various physical sizes, form factors, and foundry nodes to a semiconductor wafer, to interposers, or to boards and panels, allowing mixing and matching of variegated dies in the fabrication of 3D stacked devices during wafer level packaging (WLP). Molding material fills in lateral spaces between dies to enable fan-out versions of 3D die stacks with fine pitch leads and capability of vertical through-vias throughout. Molding material is planarized to create direct-bonding surfaces between multiple layers of the variegated dies for high interconnect density and reduction of vertical height. Interposers with variegated dies on one or both sides can be created and bonded to wafers. Logic dies and image sensors from different fabrication nodes and different wafer sizes can be stacked during WLP, or logic dies and high bandwidth memory (HBM) of different geometries can be stacked during WLP.
Owner:ADEIA SEMICONDUCTOR BONDING TECHNOLOGIES INC

Chip package-on-package and manufacturing method therefor, and electronic device

PCT designated stageWO2026036737A1Semiconductor/solid-state device detailsSolid-state devicesRedistribution layerInterconnection density
The present application relates to the field of package-on-package. Provided are a chip package-on-package and a manufacturing method therefor, and an electronic device, which can shorten the packaging cycle time and maintain a higher interconnection density while improving the heat dissipation performance. The chip package-on-package comprises a redistribution layer, a first chip, a substrate, a second chip, a vertical connection structure, a first heat dissipation member and a welding joint, wherein the first chip is disposed on a surface of the redistribution layer and is electrically connected to the redistribution layer; the substrate is disposed on the side of the first chip away from the redistribution layer, and the substrate is provided with a hollowed-out region; the second chip is disposed on the side of the substrate away from the first chip, and is electrically connected to the substrate; the vertical connection structure is connected between the substrate and the redistribution layer; the first heat dissipation member is disposed on the surface of the first chip on the side close to the substrate and extends into the hollowed-out region; and the welding joint is disposed on the side of the redistribution layer away from the first chip, and is electrically connected to the redistribution layer.
Owner:HUAWEI TECH CO LTD

Low-delay deep interconnection interface management system based on bus mapping

The invention provides a low-delay deep interconnection interface management system based on bus mapping, which relates to the field of electric digital data processing, and comprises an interface control module, a bus mapping module, a delay optimization module and an interconnection management module, the bus mapping module is used for establishing a data path and completing address mapping, the delay optimization module is used for carrying out delay monitoring, modeling and dynamic optimization on the data path, and the interconnection management module is used for being responsible for establishment, dynamic configuration and redundancy fault tolerance of a global interconnection structure; the system has low time delay, high interconnection density and dynamic scheduling capability, and is suitable for core interconnection control of a large heterogeneous computing system, an intelligent hardware platform and a deep interconnection system architecture.
Owner:QUANTUM CORE CLOUD (BEIJING) MICROELECTRONICS TECH CO LTD