37 results about "Antenna fabrication" patented technology

The invention relates to an antenna fabrication method and an antenna with the same. The method comprises the following steps of fabricating a graphene oxide thin film on a surface of an insulation substrate; and performing laser direct-writing on one side, far away from the insulation substrate, of the graphene thin film so as to reduce to obtain a target antenna. The fabrication method belongs to a material increasing mode to fabricate the antenna and is suitable for antenna fabrication on a plane and a curve surface, antennas with a planar structure or a curve-surface structure can be fabricated, and a high-flexible antenna also can be fabricated. The antenna with same preset pattern can be fabricated in one step by laser direct writing; and compared with a process of growing graphene on the metal substrate under a vacuum environment, transferring the graphene to a transparent substrate from the metal substrate and obtaining a graphene target pattern by laser cutting material reduction mode, the method is simple and is low in cost, and resources are saved.

The invention discloses a method for automatically identifying and calculating antenna pattern pits. The invention provides a special algorithm, and the algorithm can eliminate the interference, caused by a test environment error, of directional diagram small sawteeth on pit recognition, and carries out the precise recognition and calculation of pits. Meanwhile, the calculation process is simple and clear, data processing efficiency is high, and software implementation is facilitated. At present, when engineering application is achieved, the pit processing period in the antenna manufacturing process is shortened by 96%, and the pit recognition efficiency and quality are remarkably improved.

The invention provides a three-dimensional antenna manufacturing method based on a shape memory polymer and a three-dimensional antenna. The three-dimensional antenna comprises a functional layer anda shape memory polymer layer. The functional layer has a three-dimensional structure when the three-dimensional antenna is in a use state. The manufacturing method comprises the following steps: providing a shape memory polymer layer with a three-dimensional shaped initial shape; converting the shape memory polymer layer having the shaped initial shape into a shape memory polymer layer having a two-dimensional temporary shape; combining the functional layer with the two-dimensional structure with the shape memory polymer layer with the temporary shape; and changing the shape memory polymer layer combined with the functional layer with the two-dimensional structure to have a shaped initial shape, and driving the functional layer with the two-dimensional structure to deform to form a three-dimensional structure. The method intelligently, simply and conveniently realizes manufacturing of the three-dimensional antenna, and is relatively low in cost, relatively wide in application range andsuitable for manufacturing of the flexible antenna.

The present invention claims a miniaturized disc-cone antenna based on a non-Foster matching circuit. The whole design includes a miniaturized disc-cone antenna and a non-Foster matching circuit. The non-Foster matching circuit includes a negative impedance converter, a transformer and The buffer circuit uses a broken line structure to replace the rib structure of the traditional disc cone antenna, which makes the antenna miniaturized, and on this basis, a non-Foster matching circuit is added to improve the performance of the antenna. The broken line structure increases the current path without increasing the size of the antenna, reduces the size of the antenna, introduces a non-Foster matching circuit to reduce the reflection coefficient of the antenna, and improves the transmission coefficient of the antenna. The invention can effectively solve the problem of excessive size of the antenna in the ultrashort wave communication, help reduce the cost of manufacturing and erecting the antenna in the ultrashort wave communication, and improve the radiation efficiency of the antenna.

An electronic device housing integrating an antenna and a manufacturing method of the housing. The method comprises the following steps: providing a housing including a model structure which is arranged on an inner surface of the housing in a protruding manner and includes a recessed part; spraying metal material on the model structure and enabling metal material to be filled in the recessed part; and removing redundant metal material located on the surface of the model structure, so as to enable the metal material in the recessed part to form a stereoscopic antenna structure. The invention also provides an electronic device housing manufactured by using the abovementioned manufacturing method of the electronic device housing integrating an antenna. Through the design of the electronic device housing integrating an antenna, the metal material forms an antenna in a stereoscopic form through the model structure of a housing structure, compared with an existing antenna by laser engraving, the antenna itself formed in the invention can provide an overall superficial area of a greater range by changing the depth of the recessed part, and the existing relatively complicated antenna manufacturing process can be reduced, so as to reduce manufacturing cost.

The invention relates to the field of antennas, in particular to an antenna fabrication method. The antenna fabrication method comprises the steps of placing organic plastic powder and an oily solventin a container for immersion, and forming a solution after stirring; adding an additive into the solution to form paste; uniformly coating the prepared paste on a surface of a substrate, and performing drying to obtain a cured organic plastic layer; and winding the antenna onto the substrate coated with the organic plastic layer, and fixing the antenna on the organic plastic layer by ultrasonic wave equipment. The material such as paper easy to recycle is used as the substrate, and the production cost of the antenna is effectively reduced.

The invention discloses an antenna preparation method which replaces the laser direct forming technology. The matrix sample enters the preparation room through a conveyor belt, and a drying system is installed in the preparation room to ensure the cleanness and drying of the sample; the matrix sample enters the pre-extraction room through the conveyor belt after drying; After the gas is completed, it enters the buffer chamber through the conveyor belt, and the buffer chamber is subjected to high vacuum pumping by a molecular pump; finally enters the processing chamber, where high-energy ion implantation and low-energy ion beam deposition operations are performed, and finally samples are collected to complete the processing process. The invention provides an antenna preparation method that replaces the laser direct forming technology. The method is based on high-energy ion beam technology, low-energy ion beam technology and related mask technology to form a metal antenna with certain functions. The antenna prepared by the method has the characteristics of low cost, no need for laser powder, good corrosion resistance, high bonding strength, good film consistency, low surface roughness, and environmental protection.

The invention belongs to the field of structural parameter sensitivity analysis, and particularly relates to a cable network antenna manufacturing error sensitivity analysis method based on an agent model, which comprises the following steps of: classifying and merging manufacturing error variables according to structural symmetry characteristics; initial sampling is carried out on the manufacturing error variables, and the corresponding antenna precision is calculated; constructing a Kriging agent model based on the current sample point, and simulating a function relationship between a manufacturing error and antenna precision; based on the current agent model, calculating a sensitivity index by using a global sensitivity analysis strategy; adding a new sample point based on a dynamic point adding strategy, updating the Kriging agent model and calculating a new sensitivity index; calculating a weighted relative error of the sensitivity indexes of two adjacent steps; if the weighted relative error converges, the analysis process is ended; otherwise, continuing to add points and updating the proxy model. The sensitivity of different manufacturing errors in the cable network antenna can be accurately and efficiently obtained, screening of key factors is facilitated, and a foundation is laid for subsequent antenna structure design.