Abstract: This application relates to a separator, including: a substrate; and a coating layer provided on at least one surface of the substrate; where the coating layer includes inorganic particles and organic particles, the organic particles include first organic particles, the first organic particles are embedded into the inorganic particles and form bulges on a surface of the coating layer, and a number-based median particle size of the first organic particles is ?12 ?m. This application further relates to a method for preparing the separator, a secondary battery containing the separator, a battery module including the secondary battery, a battery pack, and an apparatus.

Abstract: This application provides a separator, an electrical apparatus containing such separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y•Az. This application further provides a battery and electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.

Abstract: A secondary battery includes a battery device, a positive electrode terminal, a negative electrode terminal, and a porous member. The battery device includes a positive electrode and a negative electrode that are opposed to each other with a separator interposed therebetween. The positive electrode terminal is coupled to the positive electrode on a side of the positive electrode opposed to the negative electrode. The negative electrode terminal is coupled to the negative electrode on a side of the negative electrode opposed to the positive electrode. The negative electrode terminal is positioned not to be opposed to the positive electrode terminal. The porous member is disposed in a region sandwiched by the positive electrode terminal and the negative electrode terminal.

Abstract: A traction battery for a motor vehicle includes a plurality of battery modules. The battery modules of the traction battery are electrically coupled by electrical busbars. Each battery module includes a module housing and battery cells accommodated in the respective module housing. The battery cells of each battery module are electrically coupled. At least one thermally conductive body is arranged between the electrical busbars, which are used to electrically couple the battery modules, and an adjoining housing of the traction battery or an adjoining structural component of a body of the motor vehicle or an adjoining module housing of a battery module.

Abstract: Disclosed are a power battery, a busbar component of the power battery and a method thereof. The busbar component comprises a busbar assembly. The busbar assembly comprises a busbar body, a first insulating layer and a second insulating layer. The busbar body is connected with one side of the first insulating layer facing a battery cell module, is integrated with a sampling line, and the sampling line is manufactured by a mechanical cutting and unloading process. The second insulating layer is attached to the first insulating layer and covers the sampling line, and the second insulating layer and the busbar body are on a same side of the first insulating layer and are arranged in a staggered manner. The cost is lowered, the process cycle of product is shortened, the production efficiency is improved, the applicability gets wider, the production process and the assembling process are simplified.

Abstract: The present application provide a connection component, a battery cell, a battery, and an electric device. The connection component includes a body, a convex portion, a concave portion and a gap control portion, and the body includes a first surface and a second surface opposite to each other in a thickness direction thereof; and the gap control portion is configured to be when the associated connection component is stacked on the other connection component, said gap control portion is in contact with said the other connection component, so as to control a dimension of a gap D between the two connection components to be greater than 0.6H, wherein H is the height of the convex portion protruding from the first surface. According to the connection component provided by the present application, the gap between two adjacent connection components can be controlled when material is stuck.

Abstract: A battery cell is formed by winding a first electrode plate, a separator, and a second electrode plate, the first electrode plate includes a first current collector, a first active substance layer disposed on a surface of the first current collector, and at least one first tab; the first active substance layer is provided with a first groove, and the first tab is disposed in the first groove and electrically connected to the first current collector; the second electrode plate includes a second current collector, a second active substance layer disposed on a surface of the second current collector, and at least one second tab; and the second tab and the second current collector are integrally formed.

Abstract: Provided is a secondary battery in which an electrode body having a positive electrode tab group on one end thereof is accommodated in a battery case, wherein: a first positive electrode current collector comprises a first region disposed between a sealing plate and the electrode body, and a second region disposed between the electrode body and a first side wall of a rectangular exterior body constituting the battery case; the positive electrode tab group is connected in a folded state to a second positive electrode current collector; and the second positive electrode current collector is welded to the second region.

Abstract: Disclosed below is a dynamic portable power pack apparatus facilitating connection to provide power for almost all devices. The apparatus comprises of a battery pack and a battery management system. Additionally, the apparatus consists of a universal socket which facilitates connections for all types of plugs. Further, the apparatus comprises multiple input pins that are designed for connecting various types of input pins.

Abstract: There is provided a plate for a battery stack including: a plate-shaped terminal to which an electric wire is connected; and a plate-shaped housing having an accommodating recess where the terminal is accommodated. The accommodating recess includes a retaining hole, and the terminal includes a connection portion that is electrically connected to a counterpart member, and a retaining piece that is inserted into the retaining hole and locked to the retaining hole.

Abstract: An adhesive film for a metal terminal being interposed between a metal terminal electrically connected to an electrode of a power storage device element, and a power storage device external member that seals the power storage device element. The adhesive film is configured from a laminate provided with: a first polyolefin layer disposed on the metal terminal side; a base material; and a second polyolefin layer disposed on the power storage device external member side. Under the following measurement conditions, the restoration rate measured when an indenter is pressed in a vertical direction with respect to a cross section in a thickness direction of the first polyolefin layer is 46.0% or greater. Restoration rate measurement conditions are a load of 10 mN, a load application speed of 1 mN/10 seconds, retention time of 10 seconds, a load releasing speed of 1 mN/10 seconds, and measurement temperature of 25° C.

Abstract: A battery cell comprising a composite water-responsive safety layer and/or composite water- and pH-responsive safety layer to protect against tissue damage and/or electrolysis, when the battery cell is exposed to aqueous solution or tissue, is provided. The composite water-responsive safety layer and/or composite water- and pH-responsive safety layer is adapted to change from a non-electronically conducting state to an electronically conducting state.

Abstract: A power switch including input and output lines of characteristic impedance Z0, and a switching area connected serially between the input and output lines, the switching area being formed by N (integer >2) parallel conducting branchesand i belonging to {1, . . . , N}, each conducting branch having, from input to output lines of the switch, an input line portion with characteristic impedance Zbei in series with a switching circuit in series with an output line portion with characteristic impedance Zbsi, the switching circuit configured, in a first state, to block passage of a signal between the input and output line portions of the conducting branch and, in a second state, to transmit a signal between the input line portion and the output line portion of the conducting branch with a maximum reflection coefficient of 0.316, each of the characteristic impedances Zbei and Zbsi ranging from 0.75*N*Z0 to 1.35*N*Z0.

Abstract: Some embodiments of the present disclosure provide a cavity high-Q triple-mode dielectric resonance structure and a filter with the resonance structure. The resonance structure includes a cavity and a cover plate, wherein an arrangement inside the cavity includes a cube-like dielectric resonance block and a dielectric support frame; the cube-like dielectric resonance block and the dielectric support frame form a triple-mode dielectric resonance rod; between the triple-mode dielectric resonance rod and an inner wall of the cavity is air; one or any end of the cube-like dielectric resonance block is connected with the dielectric support frame respectively; the dielectric support frame is connected with the inner wall of the cavity; and the cube-like dielectric resonance block forms a triple-mode resonance in three directions of axes X, Y and Z of the cavity.

Abstract: A pseudo coaxial line is connected to a first coplanar line at a first connecting portion and connected to a second coplanar line at a second connecting portion. The first coplanar line and the second coplanar line are, for example, differential coplanar lines. Also, a back surface concave portion in which the second connecting portion of the pseudo coaxial line is exposed is provided. The back surface concave portion is formed into an almost semicircular shape, an almost semielliptical shape, or a rectangular shape in a planar view.

Abstract: Waveguide cross sections designed for waveguide filters. An apparatus includes a waveguide cavity for propagating an electromagnetic signal, wherein the waveguide cavity is defined by a plurality of sidewalls. The waveguide cavity comprises an irregular hexagonal cross-sectional geometry that has a complex side, wherein the complex side comprises a first side and a second side connected to the first side, and wherein the first side and the second side of the complex side meet at a radiused edge.

Abstract: Waveguide filters comprising ridges disposed within a waveguide cavity for selecting electromagnetic signals within a frequency passband. An apparatus includes a waveguide filter comprising a waveguide cavity and a plurality of ridges disposed within the waveguide cavity. The apparatus is such that each of the plurality of ridges comprises a first side and a second side, and wherein the first side and the second side are disposed at a non-orthogonal angle relative to one other. The apparatus is optimized for fabrication using metal additive manufacturing techniques.

Abstract: This document describes a folded waveguide for antenna. The folded waveguide may be an air waveguide and includes a hollow core that forms a rectangular opening in a longitudinal direction at one end, a closed wall at an opposite end, and a sinusoidal shape that folds back and forth about a longitudinal axis that runs in the longitudinal direction through the hollow core. The hollow core forms a plurality of radiation slots, each including a hole through one of multiple surfaces that defines the hollow core. The radiation slots are arranged on the one surface to produce a particular antenna pattern. The radiation slots and sinusoidal shape enable the folded waveguide to prevent grating lobes from appearing in the particular antenna pattern on either side of a horizontal-polarity, main beam, or to prevent X-band lobes from appearing in the particular antenna pattern on either side of a vertical-polarity, main beam.

Abstract: Waveguides and methods for manufacturing a waveguide that include forming a first channel in a first layer of dielectric material, the first channel comprising one or more walls; forming a second channel in a second layer of dielectric material, the second channel comprising one or more walls; depositing electrically conductive material on the one or more walls of the first channel; depositing electrically conductive material on the one or more walls of the second channel; arranging the first layer adjacent to the second layer to form a stack with the first channel axially aligned with and facing the second channel; and heating the stack so that the conductive material on the one or more walls of the first channel and the conductive material on the one or more walls of the second channel connect to form the waveguide.

Abstract: An antenna device, applied to an electronic device and the antenna device includes: an antenna unit, configured to transmit and receive signals; a rotation unit, connected to the antenna unit, and configured to rotate the antenna unit when the electronic device is powered on, record a signal strength in preset angle for each rotation and generate an angle and signal strength mapping table, and further configured to rotate the antenna unit to a position with a strongest signal according to the angle and signal strength mapping table, which realizes automatic adjustment of antenna direction to optimize antenna performance.

Abstract: According to various embodiment, an electronic device may include at least one communication processor, an RFIC, a power amplifier, and at least one modulator configured to provide the power amplifier with a supply voltage set for a first unit of time in a first mode or in a second unit of time shorter than the first unit of time in a second mode. The at least one communication processor may be configured to control the at least one modulator to provide the supply voltage according to the second mode and to switch from the second mode to the first mode when a variation in a voltage associated with a first element for providing the supply voltage is greater than or equal to a threshold magnitude while the supply voltage is provided to the power amplifier according to the second mode. Other various embodiments are possible as well.

Abstract: An antenna device including a transparent antenna element that can be provided at a position visible from outside of a transparent cover of an electronic apparatus is provided. An antenna device includes a flexible substrate that is transparent and that is to be provided on an inner surface side opposite to an outer surface of a transparent cover, made of glass or resin, of an electronic apparatus, and an antenna element that is transparent and that is to be provided at a position, of the flexible substrate, that is visible from outside of the transparent cover, the antenna element having a directivity oriented toward an outside of the electronic apparatus.

Abstract: Systems, apparatuses, and methods are described for increasing detune-resiliency of a user device during user-interactions. An antenna bandwidth may be increased, via modification of one or more antenna characteristics and/or the addition of one or more novel antenna components, in order to increase the detune-resiliency of the antenna. Moreover, user interface elements of the user device may be located outside of a protected region of the antenna. Thus, the user device may be more resilient to detuning during user interactions.

Abstract: Various antennas elements including antennas arrays can support various communication technologies and can be integrated into different components or subcomponents of a vehicle, including various vehicle light assemblies. The vehicular antennas elements include low profile and/or concealed antenna elements that are inconspicuous aesthetically and do not affect or substantially affect vehicle aerodynamics.

Abstract: The present disclosure provides an antenna and a manufacturing method thereof, and belongs to the field of communication technology. The antenna provided by an embodiment of the present disclosure includes: a first substrate and a second substrate opposite to each other, a dielectric layer provided therebetween, and a feed unit on a side of the second substrate away from the first substrate. The first substrate includes: a first base substrate; and a radiation unit on a side of the first base substrate close to the second substrate. The second substrate includes: a second base substrate; and a reference electrode layer on a side of the second base substrate away from the feed unit, the reference electrode layer has an opening, an orthographic projection of the opening on the second base substrate is at least partially overlapped with an orthographic projection of the radiation unit on the second base substrate.

Abstract: A low-profile axial mode helical type antenna that employs hollow copper tubing for the radiating element, a singular semi hollow dielectric support structure, low pitch angle and an improved/simplified parallel open wire impedance matching technique. This antenna has a wide radiating pattern as well as high forward gain and circular polarization. It is designed to work in the field of live entertainment including reception and transmission of wireless microphones, in-ear monitors, communications and cue control systems. It operates from 470-663 MHz.

Abstract: An antenna module includes first to third radiators and a ground radiator. The first radiator includes first and second sections and excites at a first frequency band. An extension direction of the first section, including a feeding end, is not parallel to an extension direction of the second section. The second radiator includes third and fourth sections. The third section extends from an intersection of the first and second sections. The third section excites at a second frequency band. The third radiator is disposed beside the first radiator and away from the second radiator. The ground radiator is disposed on one side of the first, second, and third radiators, and includes a ground end. The fourth section of the second radiator is connected to the third section and the ground radiator. The third radiator is connected to the ground end.

Abstract: A sector antenna is provided comprising a base plate, a cable tower mounting to the base plate and at least one reflector mounting to the base plate and substantially parallel to the axis of the cable tower. The reflector includes a plurality of electrical components operative to transmit and receive telecommunications signals in an arcuate sector of the antenna. The reflector has an inwardly facing surface opposing the cable tower and an outwardly facing surface disposed away from the cable tower. Furthermore, a cable guide plate is interposed between the cable tower and the reflector such that apertures formed in the cable guide plate may provide a guide through which a conductor may pass for making an electrical connection to one of the electrical components along the outwardly-facing surface of the reflector. The cable guide plate apertures align with the reflector apertures and provide a guide to operators when assembling, maintaining and repairing the telecommunications antenna.

Abstract: An electronic device having multiple antenna groups for data communication may determine a temperature of a first antenna group and determine a power gain of a second antenna group. The electronic device may communicate using the second antenna group in response to determining that the temperature of the first antenna group exceeds a temperature threshold and the power gain of the second antenna group exceeds a gain threshold. In some embodiments, the electronic device may receive communication link preferences, determine an antenna group that is disposed outside of thermal hotspots of the electronic device, and determine a beam that enables the communication link preferences via the antenna group. The electronic device may then transmit or receive data via the antenna group by forming the beam.

Abstract: Embodiments of antenna systems and radio nodes incorporating the antenna systems are disclosed herein. In one embodiment, a radio access node for a cellular communications system comprises one or more antenna systems comprising a first antenna system directed at a desired bore sight angle. The one or more antenna systems further comprise either or both of a second antenna system directed upwards relative to the desired bore sight angle of the first antenna system and a second antenna system directed downwards relative to the desired bore sign angle of the first antenna system. In this manner, the radio access is optimized for an indoor environment because it can add Single User Multiple Input Multiple Output (SU-MIMO) channels by utilizing reflections from the ceiling and floor in the indoor environment.

Abstract: A composite antenna device includes a first antenna, plural second antennas whose used frequency bands are different from a used frequency band of the first antenna, and a first conductor portion to serve as a ground plane of the first antenna and the second antennas. Each of the plural second antennas may have a second conductor portion. The first antenna may be provided on the first conductor portion, and at least a portion of the first conductor portion may be positioned between the second conductor portions.

Abstract: Provided is an antenna device with a simple configuration, said antenna device supporting a plurality of frequency bands. An antenna device according to the present invention is provided with: at least one first radiation element that has a resonant frequency in a first frequency band; at least one second radiation element; and a connection line for connecting the first radiation element and the second radiation element. The line length formed of the first radiation element, the connection line, and the second radiation element is set to a length so as to have a resonant frequency in a second frequency band lower than the first frequency band.

Abstract: Microwave antenna systems include a parabolic reflector antenna having a feed bore and a feed assembly. The feed assembly includes a coaxial waveguide structure that extends through the feed bore, a sub-reflector, and a first dielectric block that is positioned between the coaxial waveguide structure and the sub-reflector. The coaxial waveguide structure includes a central waveguide and an outer waveguide that circumferentially surrounds the central waveguide. One of the central waveguide and the outer waveguide extends further from the feed bore towards the sub-reflector than the other of the central waveguide and the outer waveguide.

Abstract: An electronic device is provided. The electronic device includes a housing including a conductive member on which at least one power supply point and ground point are positioned, at least one ground member arranged inside the housing, a first ground path connecting the ground point to the ground member, a second ground path connecting the ground point to the ground member, a printed circuit board (PCB) arranged inside the housing and a processor arranged on the PCB. The processor is configured to supply power to the at least one power supply point so that the conductive member transmits and/or receives a signal of a first frequency band.

Abstract: According to one embodiment of the present disclosure, an antenna device, an apparatus for manufacturing the same, and a method for manufacturing the same are disclosed. The antenna device according to one embodiment of the present disclosure comprises an antenna substrate sheet and an antenna pattern. A connecting PCB is attached on the antenna substrate sheet. The antenna pattern starts from one of a plurality of connecting terminals of the connecting PCB and ends at another one of the plurality of connecting terminals. The antenna pattern comprises a plurality of wires which functions as one line and a bridge. The plurality of wires is embedded on the antenna substrate sheet. The bridge connects the connecting PCB and a point where winding of the plurality of wires on the antenna substrate sheet is completed.

Abstract: An antenna includes first and second antenna elements, and first and second coupling bodies. The first and second antenna elements respectively include first and second radiation conductors and first and second feed lines, and respectively resonate in first and second frequency bands. The first and second radiation conductors are arranged side-by-side at an interval equal to or shorter than ½ a resonance wavelength. The first and second radiation conductors are coupled under a first coupling mode in which one of capacitive coupling and magnetic field coupling is dominant. The first coupling body couples first end portions of the first and second radiation conductors under a second coupling mode different from the first coupling mode. The second coupling body couples second end portions of the first and second radiation conductors, opposite to the first end portions, under the second coupling mode.

Abstract: An electronic device may be provided with a conductive housing sidewall and a phased antenna array that conveys radio-frequency signals at frequencies greater than 10 GHz. Each antenna in the array may radiate through a respective aperture in the sidewall. The antenna module may include a folded flexible printed circuit having a first portion and a second portion that extends from an end of the first portion and that is folded with respect to the first portion. The antennas in the phased antenna array may have antenna resonating elements that are distributed between the first and second portions. Forming the antenna module from a folded flexible printed circuit in this way may serve to minimize the thickness of the antenna module, thereby allowing the antenna module to fit between a ledge of the sidewall and a rear housing wall without occupying excessive space within the device.

Abstract: An antenna assembly in accordance with one embodiment of the present disclosure includes a stack patch antenna assembly defining a plurality of antenna cells made from a plurality of patches, wherein the stack patch antenna assembly includes a first patch layer separated from a second patch layer by a spacer; a beamformer lattice including one or more beamformers, wherein each beamformer corresponds to a subset of antenna cells of the plurality of antenna cells; and a PCB assembly made up from a plurality of layers, the PCB assembly having a feed structure from the stack patch antenna assembly to the beamformer lattice disposed in the PCB assembly, wherein the stack patch antenna assembly is external to the PCB assembly.

Abstract: Disclosed is an electronic device including a window plate comprising a transparent region and an opaque region surrounding the transparent region, a display disposed below the transparent region of the window plate, a housing comprising a first face corresponding to a rear face of the display and a second face corresponding to a side face of the display, the housing surrounding the rear face and the side face of the display, a plurality of antennas disposed between the opaque region of the window plate and the first face of the housing, and a wireless communication module electrically coupled to the plurality of antennas and supporting ultra-wideband communication by using the plurality of antennas, wherein the plurality of antennas comprises a first antenna disposed along a first edge region corresponding to an edge of the first face of the housing, and a second antenna disposed along a second edge region corresponding to the edge of the first face of the housing and perpendicular to the first edge region.

Abstract: This document describes waveguides that use a combination of air dielectric filled channels and non-air dielectric filled channels to obtain beneficial attributes of both air and dielectric waveguides. EM energy loss inside the waveguide compares to a traditional air waveguide. However, with a smaller size than a comparable air waveguide, the example waveguide can occupy less area of a chip or package than a comparable air waveguide of a traditional design. The waveguide has a routing portion with hollow channels filled with an air dielectric. Radiation channels corresponding to each of the hollow channels are loaded with a non-air dielectric. A surface of each of the radiation channels allows EM energy to escape the non-air dielectric. The described waveguide may be particularly advantageous for use in an automotive context, for example, detecting objects in a roadway in a travel path of a vehicle.

Abstract: A multi-core dielectric circular waveguide (MCDCW) is described. A hybrid mode excitation for multi-core dielectric filled circular waveguide fed parabolic antenna is also described. A multi-core dielectric circular waveguide with four cylinders of different relative permittivity (?r) inside each other is used to generate the hybrid mode (HE11) directly without need for coupling TE11 and TM11 modes as in prior art corrugated waveguide feeders. This mode is preferable to be used as operating mode to feed the reflector. Four concentric cylinders of different relative permittivity ?r are used as an example.

Abstract: This document describes techniques, apparatuses, and systems for a multi-layer air waveguide with layer-to-layer connections. Each pre-formed layer of the air waveguide is attached to at least one other pre-formed layer by a mechanical interface. The mechanical interface may be a stud-based interface, a snap fastener-based interface, a ball-and-socket based interface, or a pressure contact interface utilizing irregular roughed surfaces of each pre-formed layer. The mechanical interfaces of the pre-formed layers structurally hold the air waveguide together and electrically couple all of the pre-formed layers. In this manner, the cost of manufacturing the air waveguide antennas may be less expensive than previous manufacturing processes.

Abstract: Disclosed is an antenna device comprising at least two antennas, designed for transmitting and/or receiving electromagnetic waves, and a circuit board device, wherein the antennas are arranged on the same circuit board device, the circuit board device comprises at least one decoupling layer through which a parasitic coupling of the antennas is reduced. The circuit board device comprises at least one upper substrate layer on which at least one metal strip with predetermined dimensions is arranged, wherein the metal strip is separated from the at least one decoupling layer by at least one upper substrate layer.

Abstract: An antenna device provided with a single reflecting mirror having multiple focal points, and multiple primary radiators provided at respective positions of the multiple focal points.

Abstract: A transparent stealth structure includes: a first transparent film structure stacked on a front surface of a transparent base, the first transparent film structure causing energy loss of incident electromagnetic waves having a target frequency to change a phase of transmitted electromagnetic waves propagating toward the transparent base; and a second transparent film structure stacked on a back surface of a transparent base, the second transparent film structure reflecting the transmitted electromagnetic waves having passed through the transparent base while adjusting a phase of reflected waves propagating toward the first transparent film structure, wherein the first transparent film structure includes a first front transparent conductive pattern having a first sheet resistance and a second front transparent conductive pattern filling a region, and the second transparent film structure includes a first rear transparent conductive pattern having a third sheet resistance and a second rear transparent conductiv

Abstract: A multi-band antenna includes a reflector that provides a ground plane, a first array of first radiating elements, each of the first radiating elements located on a front side of the reflector and configured to emit first electromagnetic radiation in a low frequency band, a second array of second radiating elements, each of the second radiating elements located on the front side of the reflector and configured to emit second electromagnetic radiation in a high frequency band, and an artificial magnetic conductor (AMC) plane that is located between the reflector and a radiator of the first radiating element and between the reflector and a radiator of the second radiating element. The AMC plane is configured to reflect the first electromagnetic radiation substantially in phase and to reflect the second electromagnetic radiation substantially in antiphase.

Abstract: This application discloses an antenna, including a first antenna and a second antenna. The first antenna includes a first radiating element and a reflector. The reflector is located between the second antenna and the first radiating element. The reflector includes a connection part and a tooth part. The tooth part includes a plurality of comb teeth that are disposed side by side and that extend from the connection part toward the first radiating element. A gap is disposed between adjacent ones of the plurality of comb teeth. The tooth part further includes a profile facing the first radiating element. Each comb tooth includes an end part facing the first radiating element. The profile includes a concave part that is concave to the connection part.

Abstract: An electronic device is provided. The electronic device includes a substrate, a feeding line and an electrode. The feeding line is disposed on the substrate for transmitting a signal. The electrode is disposed on the substrate for receiving the signal. In addition, an end portion of the feeding line is disposed opposite to an end portion of the electrode.

Abstract: The invention relates to a heatsink antenna array structure, which includes a fin-shaped metal heatsink, a metal bottom base of heatsink, and a substrate. The upper surface of substrate is connected with the metal bottom base of heatsink, the lower surface is connected with a chip. The chip works as heat source. There is a rectangular through-cavity array in the bottom base as radiation aperture. The substrate contains multiple metal layers and dielectric layers. The top metal layer has rectangular apertures corresponding to the rectangular through-cavity array in the bottom base. The dielectric layers contain metallic vias to construct a substrate integrated waveguide structure. The metallic vias effectively reduce the thermal resistance between the fin-shaped metal heatsink and the chip, and form the substrate integrated waveguide structure as the feeding network of heatsink antenna array.

Abstract: The disclosure relates to a communication technique for merging an IoT technology with a 5th Generation (5G) communication system for supporting a higher data transmission rate than a 4th Generation (4G) system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail, security- and safety-related services, and the like) on the basis of 5G communication technologies and IoT-related technologies. An electronic device is provided. The electronic device includes a board, a plurality of antenna arrays arranged on the board, and a plurality of floating radiator arrays arranged on the board to be spaced apart from the plurality of antenna arrays by a predetermined distance. The plurality of floating radiator arrays are electromagnetically coupled to the plurality of antenna arrays.