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Electromagnetic medium particle and method for producing electromagnetic medium particle
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A medium particle and production method technology, applied in chemical instruments and methods, circuits, layered products, etc., can solve the problems of low production efficiency and high production cost
Active Publication Date: 2020-10-30
FOSHAN CITY EAHISON COMM
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[0005] The invention provides an electromagnetic medium particle, which is used to solve the problems of low production efficiency and high production cost of the current electromagnetic medium particle
Method used
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Embodiment 1
[0034] This embodiment is an illustrative example of the particle structure of the electromagnetic medium of the present invention.
[0035] Such as figure 1 , figure 2 As shown, the electromagnetic medium particle 1 of this embodiment is a cylindrical structure, and in the cross-section of the cylindrical structure, there are an inner core 11 , a first foam layer 12 and a second foam layer 13 in sequence from inside to outside. The inner core 11 is made of PE material.
[0036] Such as figure 1 , figure 2 As shown, four metal wire segments 14 are also included. The four metal wire segments 14 are arranged along the longitudinal direction of the cylindrical structure, are not in contact with each other and are evenly distributed on the outer periphery of the first foam layer 12 .
[0037] The diameter of the bottom surface of the cylindrical structure of the electromagnetic medium particle 1 in this embodiment is 5 mm, and the height is also 5 mm. Since the diameter of ...
Embodiment 2
[0040] This embodiment is another illustrative example of the particle structure of the electromagnetic medium of the present invention.
[0041] Such as image 3 , Figure 4 Shown, the difference between the present embodiment and embodiment 1 is: the diameter of the bottom surface of the cylindrical structure of the electromagnetic medium particles 2 is 8mm, and the height is 6mm; the profile shape of the cross section of the first foam layer 22 is a square, the The diameter of the circumscribed circle of the square is 0.625 times the diameter of the second foam layer 23, that is, 5 mm; there are only two metal wire segments 24, which are correspondingly close to the symmetrical sides of the square.
Embodiment 3
[0043] This embodiment is an illustrative example of the method for producing electromagnetic medium particles of the present invention.
[0044] 1) Use a PE core with a diameter of 0.5mm wound into a coil, and put one end of it into the extrusion cavity of the first rod extruder and pass it out from the extrusion port of the first rod extruder. The wire core is unwound during production. The first rod extrusion machine is a foam material rod extrusion machine, and the material used is EPE pearl cotton raw material. Start the first rod extruder, and pull the wire core synchronously while the first rod extruder extrudes the material, and the synchronization means that the speed of pulling the wire core is the same or approximately the same as the extrusion speed of the first rod extruder , make the foamed material wrap the core, and ensure that the core is in the center of the material, and obtain a mandrel at this time; the diameter of the mandrel of the present embodiment is...
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Abstract
The present invention provides an electromagnetic medium particle, which is used to solve the problems of low production efficiency and high production cost of the current electromagnetic medium particle. The electromagnetic medium particle is a cylindrical structure, and on the cross section of the cylindrical structure, there are an inner core, a first foamed layer and a second foamed layer in sequence from the inside to the outside; the first foamed layer and the second foamed layer are The foam layer is a layer formed after foaming the foam material; it also includes several metal wire segments, which are arranged along the longitudinal direction of the column structure, are not in contact with each other and are evenly distributed on the outer periphery of the first foam layer. The electromagnetic medium particles with such a structure have the advantages of simple structure, accurate control of dielectric constant, light weight per unit volume, easy and efficient production, and stable technical indicators. The present invention also provides a production method that can be used to produce the electromagnetic medium particles.
Description
technical field [0001] The invention relates to the field of dielectric material manufacturing, more specifically, to a dielectric material that can be used to make a Lunberg lens and a production method for the dielectric material. Background technique [0002] The patent document named "AN ARTIFICIAL DIELECTRIC MATERIAL AND A METHOD OF MANUFACTURINGTHE SAME", the publication number is WO2009078807, and the publication date is June 25, 2009 discloses an artificial dielectric material and its manufacturing method. Materials can be used to make Luneberg lenses. Its technical solution is mainly to put the long conductive fibers arranged in parallel between the upper and lower foam materials, and then cut the sandwich structure into granules after bonding and fixing, and the obtained granules contain short Conductive fibers that are not in contact with each other, these particles are randomly mixed and fixed together with a binder to obtain a dielectric material with controlle...
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