21 results about "Antenna fabrication" patented technology

This application relates to the field of communication technology, and discloses an antenna, its fabrication method, and a terminal device. The antenna includes a substrate and a radiator. The radiator includes a copper plating layer and a protective layer. The copper plating layer is formed on the surface of the substrate, and a passivation layer is disposed on the side of the copper plating layer facing away from the substrate. The passivation layer can protect the copper plating layer, reduce the risk of corrosion of the copper plating layer, and thus improve the reliability of the antenna. Furthermore, since the layer structure of the radiator is relatively simple, the antenna fabrication process is significantly simplified, and the manufacturing cost is reduced.

This invention relates to the field of antenna manufacturing tooling technology, and particularly to a welding fixture for an antenna vibrator array assembly, comprising a lower support plate, a support member, an upper cover plate, and a feed plate limiting member. The upper surface of the lower support plate has a positioning area for accommodating and positioning the power divider network board of the antenna array. The support member is fixedly installed on the upper surface of the lower support plate. The upper cover plate is closable and covers the support member. The lower surface of the upper cover plate is provided with a vibrator limiting structure, which is used to respectively accommodate the upper part of each vibrator assembly. The feed plate limiting member is fixedly installed at the bottom of the upper cover plate and extends downward. The upper and lower feed plates of the vibrator assembly are respectively limited and constrained by the upper cover plate body and the feed plate limiting member in a way that is independent and does not interfere with each other, so that the force paths of the upper and lower feed plates are completely independent and do not interfere with each other, thereby avoiding the displacement coupling effect of surface tension on the feed plate when the solder melts.

The invention discloses a method for manufacturing a main surface of a shipborne special-shaped antenna, and belongs to the technical field of antenna manufacturing. According to the method, aiming at the problem that the main surface of the shipborne long-strip elliptical antenna is easy to deform, molded surface deviation control is realized through mold structure optimization, product structure design and process parameter control, a mold adopts a cast iron material, an upper and lower mold pressing structure and a multi-degree-of-freedom adjusting device, and an I-shaped beam and a net-shaped framework are additionally arranged in the product; a low-shrinkage epoxy carbon fiber composite material is selected and matched with a specific prepreg laying and curing process. The profile deviation caused by thermal expansion of the mold can be reduced by 10%-20%, the rigidity and the stability of a product are remarkably improved, the mean square error of profile profile deviation is controlled within 0.15 mm, the high-precision use requirement of shipborne and vehicle-mounted radar radomes is met, and good practicability and popularization value are achieved.

The utility model discloses an intelligent watch with a metal shell as a GPS antenna, which comprises a bottom shell, a watch mainboard is arranged in the bottom shell, a metal surface cover used as an antenna is fixed on the upper surface of the bottom shell, a display screen connected with the watch mainboard is mounted on the metal surface cover, a plurality of antenna feed points are arranged on the watch mainboard, and the antenna feed points are connected with the metal surface cover. Each antenna feed point is welded with a plurality of conductive elastic sheets which are used for being in contact with the metal surface cover after the bottom shell and the metal surface cover are assembled, and the metal surface cover is made of a metal material for manufacturing an antenna material; according to the utility model, the metal surface cover is used as the antenna of the watch mainboard, so that the antenna is not required to be arranged, excessive space is not occupied, the miniaturization of the intelligent watch is facilitated, and the signal of the built-in antenna is easily shielded by the hardware shell material.

The invention relates to the technical field of antenna manufacturing, and discloses a three-dimensional weaving manufacturing method and system for a radiation surface of a multilayer curved surface antenna, and the method comprises the steps: weaving a supporting structure on a curved surface mold, and forming a supporting layer; weaving a surface circuit on the supporting layer to form a circuit layer; pre-burying a feeder line on the circuit layer to form a feeder line layer; weaving a resistance device on the feeder line layer to form a resistance layer; weaving a wave-transparent structure on the resistive layer to form a wave-transparent layer; weaving a wave-absorbing resonance structure on the wave-transparent layer to form a resonance layer; the supporting layer, the circuit layer, the feeder layer, the resistive layer, the wave-transparent layer and the resonance layer jointly form a radiating surface; weaving a plurality of layers of radiation surfaces, and mutually connecting and reinforcing the radiation surfaces to form a braided fabric blank; the braided fabric blank is impregnated, cured and shaped; and demolding, shaping and post-processing the braided fabric blank to obtain the final multilayer curved antenna radiating surface. Accurate assembly of wave-absorbing resonance structure fibers, high-precision weaving of a curved surface circuit structure and weaving of multiple layers of radiation surfaces can be achieved.

The invention belongs to the technical field of flat plate slot antenna manufacturing, and discloses a 6061 aluminum alloy flat plate slot antenna brazing and heat treatment manufacturing method. The method comprises the steps of preparing, cleaning, assembling, vacuum brazing, solution treatment and aging treatment, Al-Si-Ge series brazing filler metal is selected, and a vacuum uniform temperature field regulation and control process curve is researched and developed to achieve vacuum brazing of the 6061 aluminum alloy antenna. The problems that in an existing brazing system, the melting point of brazing filler metal is not matched with the melting point of base metal in temperature and the brazing filler metal is not melted synchronously and spread continuously due to uneven temperature distribution of a large-size antenna are solved, and it is guaranteed that a weld joint is continuous and compact. A multiphase flow cooling field homogenization regulation and control tool is used for establishing an antenna full-space cooling field, uniform and rapid cooling of the 6061 aluminum alloy antenna is achieved by regulating and controlling the air fog speed and the coverage area, the problem of solid solution deformation of a thin-wall structural part is solved, and it is guaranteed that the size of the antenna is stable, and the strength of the antenna is improved; and a specification is provided for engineering manufacturing of the high-precision 6061 aluminum alloy flat plate slot antenna.

The invention discloses an integrated cold plate with embedded heat pipes and a forming process method of the integrated cold plate, and belongs to the technical field of antenna manufacturing, the forming method comprises the steps that a shell is machined to form a plurality of linear deep cavities, and the heat pipes and the deep cavities of the shell are assembled in a glue joint mode, and the specific steps are as follows: the heat pipes matched with the deep cavities in diameter are selected; coating the heat conduction paste on the outer wall of the heat pipe; and the heat pipe is screwed into the deep cavity, and curing is carried out after heat pipe gluing is completed. The integrated cold plate is mounted on the base, and the active device is mounted on the integrated cold plate to dissipate heat of the active device. The heat pipe is low in cost, high in reliability and easy to maintain and assemble, mass application of air cooling heat dissipation is accelerated, the heat dissipation requirement for high heat flux of a new-generation phased array radar core assembly is met, and it is guaranteed that the power performance of a new-generation weapon equipment is maximized.

The utility model discloses an assembly processing table for manufacturing a radar antenna, which comprises an operation table, four corners of the bottom of the operation table are fixedly provided with stand columns, one side of the top of the operation table is fixedly connected with a vertical plate, one side of the front surface of the vertical plate is fixedly connected with a fixing clamp, and the other side of the front surface of the vertical plate is provided with a plurality of holes. The vertical plate is fixedly connected with a plurality of storage boxes through screws, a groove and a limiting groove are formed in one side of the operation table, the middle of the groove is connected with an overturning assembly used for machining a radar antenna, and the middle of the limiting groove is fixedly connected with a lifting assembly. The whole test assembly can ascend and descend through linkage of a first electric push rod, a push plate, a rotating pin and a moving pin, a rack is driven through operation of a second electric push rod, a clamp assembly can be turned over through transmission between the rack and a gear, and clamping of an antenna body can be achieved through movement of a translation assembly on two clamping plates and a rubber pad of an operation table.

The invention belongs to the technical field of filter antenna manufacturing and surface treatment, and particularly relates to an integrated manufacturing method of a high-precision multi-cavity millimeter wave waveguide filter antenna. Firstly, a resin waveguide device is manufactured by adopting a photocuring (SLA) 3D printing method, and metallization is performed in combination with a chemical copper plating technology. Precise dimensional precision parts are obtained through high-precision non-metal printing, an optimized chemical plating process is combined, a compact, uniform and smooth copper plating layer with low surface roughness is formed, skin effect loss under the 28GHz frequency band is effectively reduced, and the performance of a filter is improved.

The application relates to the technical field of antenna manufacturing, in particular to a mixed structure dual-polarized antenna device based on a magnetic electric dipole and a printed vibrator, which can form orthogonal radiation far fields, realize dual-polarization function, has a simple structure and is easy to process and assemble, and the device is characterized in that: the device comprises horizontal and vertical two polarization ports which are respectively composed of a magnetic electric dipole antenna radiator and a printed vibrator antenna radiator; the magnetic electric dipole antenna radiator adopts a printed circuit board for bottom feeding, and the feeding mode is slot coupling; the printed circuit of the printed vibrator antenna radiator is located in the slot of the magnetic electric dipole antenna radiator, the field polarization direction of the printed vibrator antenna radiator is orthogonal to the polarization direction of the magnetic electric dipole, and the two work cooperatively; the magnetic electric dipole antenna radiator is fed in a microstrip line edge feeding mode, and the output port is located at the bottom of the antenna; the printed vibrator antenna radiator introduces a double-wire bending mode and is fed in a bottom feeding mode.

The application provides a plant antenna, comprising a carrier plant, the carrier plant is provided with two cavities which are spaced apart, the two cavities are filled with liquid metal which keeps liquid at normal temperature, and further comprising a connecting line; the connecting line is a radio frequency line, one end of the radio frequency line is provided with two connectors, the two connectors are connected with the liquid metal in the two cavities respectively; or the connecting line is a wire, two ends of the wire are connected with the liquid metal in the two cavities respectively, and a balancer is arranged on the wire; or the connecting line is a wire, two ends of the wire are connected with the liquid metal in the two cavities respectively. The plant antenna and the manufacturing method thereof have the advantages of strong practicability and strong concealment, and the plant antenna has practical effects. The application further provides a plant antenna manufacturing method.

This invention provides an antenna bending device, belonging to the field of antenna manufacturing. It includes a support platform, a pressing assembly, a first bending assembly, a second bending assembly, and a shaping assembly. The support platform supports the antenna, the pressing assembly presses against the antenna, the first bending assembly pushes a first area to be bent towards its first end, and the second bending assembly pushes a second area to be bent towards the middle of the first end. The shaping assembly has a positioning part and a shaping part. In the preparatory state, the pressing assembly presses against a second surface, and then the first bending assembly pushes the first area to be bent until it forms a preset obtuse angle with the support surface. In the bending state, the positioning part presses against the second surface towards the support surface, and then the second bending assembly pushes the second area to be bent until it conforms to the shaping part. Finally, the first bending assembly pushes the first area to be bent until it conforms to the shaping part. This invention can accurately bend the antenna, improving the matching degree between the actual bending surface and the ideal bending surface.

The invention relates to a manufacturing method of an expandable rotating parabolic antenna, belongs to the technical field of antenna manufacturing, and solves the technical problems of manufacturing and assembling complexity and manufacturing precision. The method comprises the following steps: S1, manufacturing a feed source device; s2, a cylindrical force bearing barrel is manufactured, the cylindrical force bearing barrel comprises a hollow barrel body and a supporting column fixed to the edge of the barrel body, and then the barrel body of the cylindrical force bearing barrel is arranged outside the feed source device in a sleeving mode; s3, manufacturing an auxiliary reflector, and mounting the auxiliary reflector on the support column of the cylindrical bearing barrel; s4, calculating the expansion precision of the main reflecting surface of the main reflector, which is in the shape of a rotating paraboloid; s5, manufacturing a plurality of expandable supporting structures of the main reflector, and mounting the expandable supporting structures on the cylindrical bearing barrel; and S6, manufacturing a main reflecting surface of the main reflector. Precision design and calculation are carried out before manufacturing of the main reflector, key data support can be provided for manufacturing of the reflecting surface and the supporting structure, the requirement that the reflecting surface strictly conforms to a theoretical model is met, and manufacturing errors are reduced.

The application belongs to the technical field of antenna manufacturing, and particularly relates to an antenna pressing die and an antenna pressing die. Through a lower die assembly, including a lower pressing die and an auxiliary fitting assembly; the lower pressing die is provided with a first adsorption site, the auxiliary fitting assembly is arranged on the periphery of the first adsorption site, a pressing groove is arranged in the first adsorption site, and an elastic supporting piece is arranged in the pressing groove; and through an upper die assembly, including an upper pressing die, the upper pressing die is provided with a second adsorption site; so that the first adsorption site and the second adsorption site are arranged in position, when the mold is closed, the ferrite is arranged on the first adsorption site, and the antenna is arranged on the second adsorption site, so that when the antenna is pressed into the pressing groove, the ferrite is partially lifted on the periphery of the antenna and is assisted in fitting by the auxiliary fitting assembly. Thus, efficient fitting of multiple surfaces of the antenna is realized, and the fitting is performed by a low-cost fitting structure without complex mechanical structures.

The invention discloses a manufacturing process of an integrated antenna unit with a dual-band structure, which relates to the technical field of antenna manufacturing and comprises the following steps of: processing a metal core; preheating the metal core; mold closing injection molding is carried out, and plastic wraps the metal core to be tightly combined; carrying out corrosion-resistant surface treatment on the metal core which is not encapsulated by the plastic; electroplating a metal pattern; packaging the electroplated metal pattern by using the same plastic; and assembling a metal connector on the encapsulated workpiece and welding to obtain the dual-band structure integrated antenna unit. The metal core and the plastic layer are integrated and do not need to be assembled, and the metal patterns of the two frequency bands are formed at a time through electroplating. The metal core is wrapped in the plastic layer, the bonding strength is high, the sealing effect is good, only one plastic medium is arranged between the metal pattern and the metal core, and the dielectric constant is stable.

This invention relates to the field of antenna manufacturing and testing technology, and particularly to a testing device for a remote electronically adjustable unit of a base station antenna. The device includes a base, a remote electronically adjustable unit, and testing components. The remote electronically adjustable unit is fixedly mounted on the base and has at least one output motor, each motor corresponding to a set of testing components. The testing components include two support seats, a lead screw, a nut sleeve, a pull rod, and a gravity load. The two support seats are fixedly mounted on the base and spaced apart along a predetermined direction. The lead screw is rotatably supported between the two support seats and is connected to the power output end of the motor. The nut sleeve is threadedly engaged with the lead screw. One end of the pull rod is fixedly connected to the nut sleeve. The gravity load is connected to the other end of the pull rod. This invention uses a gravity load, utilizing the weight of an object to provide constant resistance, unaffected by the stroke position, overcoming the nonlinearity of spring load force, and providing accurate and repeatable testing results.

The utility model belongs to the technical field of electronic tag production equipment, and particularly relates to an RFID antenna manufacturing device. The production line comprises an unwinding roller, a gluing device, a UV curing device, a die cutting device, a plurality of waste discharge devices, a base material unwinding device and a winding roller which are arranged in sequence. The unwinding roller is used for unwinding a base layer composed of a plurality of stacked self-adhesive films and metal foil layers. The gluing device is used for compounding an antenna contour on the metal foil layer; the UV curing device is used for curing the glue layer coated on the metal foil layer; the waste discharging device comprises at least two waste discharging roller sets arranged on the upper face and the lower face of the base layer. The base material unwinding device is used for unwinding a base material layer on the glue layer; and the winding roller is used for winding a waste material layer formed by the residual self-adhesive film after waste discharge and winding of the waste discharge device. The utility model is used for solving the problem that the RFID antenna is inconvenient to produce and manufacture.

The invention discloses an EHD printing integrally-formed high-precision FPC antenna and a preparation method, and belongs to the technical field of FPC antennae. The EHD printing integrally-formed high-precision FPC antenna comprises a substrate and a Koch snowflake fractal radiation patch formed on the substrate; a metal line of the Koch snowflake fractal radiation patch has an optimized nominal width Wopt, and the Wopt is a parameter determined by modeling a line width manufacturing error of EHD printing into a random variable in a range of + / -15 [mu] m and carrying out collaborative fault-tolerant design on an antenna structure by taking the resonant frequency offset of the antenna not greater than 1.5% as an optimization target; the radiation patch is printed by conductive ink and is formed after synchronous ultraviolet precuring and stepped thermocuring, and the conductive ink contains supported Ag2O-MXene composite powder; through deep collaboration and optimization of a structure fault-tolerant design, a special functional material and a precision manufacturing process, the problem of mismatch from a high-performance design model to high-fidelity physical antenna manufacturing is solved, and particularly, a reliable integrated solution is provided for flexible electronic manufacturing of complex fine patterns.

The invention discloses a low-dielectric low-loss planar antenna manufacturing method based on laser activation chemical plating and a product thereof, and relates to the technical field of electronic component manufacturing, and the manufacturing method comprises the following steps: firstly, selecting plastic particles with low dielectric constant and low dielectric loss, and carrying out extrusion molding to prepare a planar film or plate; then, performing laser scanning on a preset antenna circuit pattern on the surface to form an activated region; sequentially carrying out oil removal, ultrasonic cleaning, chemical coarsening, palladium activation and reduction treatment on the base material; selectively depositing a metal copper layer in the activated region through a chemical copper plating process to form a conductive antenna circuit; and finally, carrying out anti-oxidation protection treatment, cutting and testing to obtain the planar antenna. According to the manufacturing method provided by the invention, extrusion molding is adopted for manufacturing, the material cost is far lower than that of a special LDS material, the obtained panel antenna product is excellent in performance, the overall process is stable, the consistency is good, and the cost advantage is achieved while the high-performance requirement is met.

The invention discloses a three-layer LCP antenna structure and a manufacturing method thereof, relates to the field of antenna manufacturing, and solves the problems of unreliable interlayer combination, low circuit precision and the like of an existing multi-layer LCP antenna. The method comprises the following steps: carrying out plasma cleaning on the LCP double-sided / single-sided copper-clad plate; manufacturing first, second and third circuit layers; carrying out low dielectric adhesive bonding and vacuum pressing; controlling the thickness of an electroplating copper layer; preparing a covering layer and hot-pressing; metallizing the hole wall after deburring by laser drilling; sputtering a copper-nickel alloy to prepare an EMI shielding layer and annealing; and adjusting impedance to 50 + / -2.5 ohm by laser, and obtaining a finished product after detection is qualified. According to the invention, the interlayer reliability, the line precision and the anti-interference capability are improved, the advantages of high frequency and low loss of the LCP are exerted, the method is suitable for 5G mobile phones and millimeter wave equipment, the signal loss is reduced, and the transmission performance is improved.