CN112917016A - Laser etching device and method for 5G antenna oscillator - Google Patents

Laser etching device and method for 5G antenna oscillator Download PDF

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Publication number
CN112917016A
CN112917016A CN202110516283.5A CN202110516283A CN112917016A CN 112917016 A CN112917016 A CN 112917016A CN 202110516283 A CN202110516283 A CN 202110516283A CN 112917016 A CN112917016 A CN 112917016A
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plastic sheet
laser
modified plastic
modified
plastic
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CN202110516283.5A
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CN112917016B (en
Inventor
王勇
冯青山
范炼
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Beijing Jiutain Lijian Information Technology Co ltd
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Changzhou Renqian Electrical Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/362Laser etching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to the technical field of antennas, in particular to a laser etching device of a 5G antenna oscillator, which is used for fixing a first modified plastic sheet, a second modified plastic sheet and a plastic substrate containing an organic metal compound, wherein the modified plastic sheet provides metal particles for a local position on the surface of the plastic substrate, a laser source emits laser to the first modified plastic sheet, the laser reaches the second modified plastic sheet through primary reflection and reaches the surface of the plastic substrate through secondary reflection, the modified plastic sheet releases the metal particles under the projection of the laser, and the metal particles reach and are attached to the local surface of the plastic substrate under the action of magnetic force. According to the invention, the plastic material is adopted as the base material of the antenna oscillator, so that the cost and the weight are effectively reduced, the deformation of the plastic base material is effectively reduced in a laser indirect projection mode, and the plastic base material can form a metal structure on the surface in a subsequent chemical plating mode in a mode of locally obtaining metal particles. The invention also discloses a laser etching method for the 5G antenna oscillator.

Description

Laser etching device and method for 5G antenna oscillator
Technical Field
The invention relates to the technical field of antennas, in particular to a laser etching device and method for a 5G antenna oscillator.
Background
From 1G to 5G, the antenna length is smaller and smaller, but the complexity of the product is continuously improved, an antenna oscillator is used for guiding and amplifying electromagnetic waves and is a core device of a base station antenna, and the application of the 5G era large-scale antenna array technology can improve the gain, reduce the transmitting power of a single antenna, balance energy consumption and cost and have stability in resisting signal attenuation through superposition of multiple beams of signals.
At present, the number of the oscillators of the single-sided antenna is greatly increased from 16 at most 4G to 64, 128 or even 256, the oscillators are made of metal, and the oscillators made of metal have the main problems of high manufacturing cost and overlarge weight, which brings great difficulty to the weight control of the antenna.
In view of the above problems, the present designer is based on practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of theory to actively make research and innovation, so as to create a laser etching apparatus and method for 5G antenna oscillator, which is more practical.
Disclosure of Invention
The invention provides a laser etching device of a 5G antenna oscillator, so that the problems in the background technology are effectively solved, and meanwhile, the invention also provides a laser etching method of the 5G antenna oscillator, and the same technical effects are achieved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a laser etching device of a 5G antenna oscillator is used for fixing a first modified plastic sheet and a second modified plastic sheet containing organic metal compounds and a plastic substrate of the 5G antenna oscillator, wherein the first modified plastic sheet and the second modified plastic sheet provide metal particles for local positions on the surface of the plastic substrate;
laser radium carving device includes:
a fixing plate provided with a mounting groove;
the limiting structure is fixedly connected with the fixing plate and used for fixing the plastic base material;
the magnetic structure is at least partially arranged in the mounting groove and correspondingly arranged at the bottom of the local position of the plastic substrate to be attached with the metal particles;
the two fixing seats are symmetrically arranged on two sides of the mounting groove and are used for fixing two symmetrical edges of the first modified plastic sheet;
the fixing device is fixedly connected with the limiting structure and is used for fixing the second modified plastic sheet;
the laser source emits laser to the first modified plastic piece, reaches the second modified plastic piece through primary reflection, and reaches the surface of the plastic base material through secondary reflection, the first modified plastic piece and the second modified plastic piece release metal particles under laser projection, and the metal particles reach and are attached to the local surface of the plastic base material under the action of magnetic force.
Further, the first modified plastic sheet is attached to the plastic base material.
Further, the second modified plastic sheet is arranged in parallel with the plastic base material, and the distance between the second modified plastic sheet and the plastic base material is larger than the distance between the first modified plastic sheet and the plastic base material.
Furthermore, the limiting structure is a pressing block structure fixed with the fixing plate through a connecting piece, and a slot for wrapping the edge of the plastic substrate is formed between the limiting structure and the fixing plate.
Further, the fixing base includes:
a support surface supporting the first plastic sheet;
and the three limiting surfaces are arranged on three surfaces of the supporting surface and used for limiting the first modified plastic sheet.
Further, the fixing device comprises two sliding chutes symmetrically arranged on two sides of the mounting groove, the sliding chutes coat the edges of the second modified plastic sheet, and the second modified plastic sheet slides along the sliding chutes.
Further, the magnetic structure is a permanent magnet sheet.
Further, the magnetic structure is an electromagnet.
A laser etching method for a 5G antenna oscillator provides metal particles for local positions on the surface of a plastic substrate of the 5G antenna oscillator through a modified plastic sheet containing an organic metal compound, and comprises the following steps:
forming a magnetic area at the bottom of the plastic substrate, and arranging the modified plastic sheet around the plastic substrate;
emitting laser to the modified plastic sheet, wherein the modified plastic sheet releases metal particles under the projection of the laser;
controlling the angle of the modified plastic sheet, and finally reflecting the laser to the surface of the plastic base material to form a heated area;
the metal particles released by the modified plastic sheet move to the heated region under the action of the magnetic region and are adsorbed;
and cooling the plastic base material.
Further, the magnetism of the magnetic region is provided by a permanent magnet or an electromagnet.
Through the technical scheme, the invention has the beneficial effects that:
the invention provides a laser etching device of an antenna oscillator with plastic as a base material, which takes a modified plastic sheet as a consumable material because the cost of the modified plastic sheet is higher than that of a common plastic sheet, can realize repeated utilization, and metal particles are uniformly formed in the structure of the modified plastic sheet, so that the metal particles can be continuously released under multiple laser irradiation until the thickness reaches a limit value, and can be replaced, thereby realizing full utilization. The cost and the weight are effectively reduced by adopting the plastic material as the base material of the antenna oscillator, the metal structure can be formed on the plastic base material in a subsequent chemical plating mode by locally obtaining metal particles, the discharge of waste liquid in the chemical plating technology is less, the environmental pollution is less, the cost is lower, the environmental protection property of oscillator processing can be improved, and the stability of a plating layer can be kept for a long time in various environments.
According to the invention, the cost and deformation of the plastic base material are effectively reduced by adopting a laser indirect projection mode, the metal particles are transferred to the plastic base material through the modified plastic sheet with higher cost, the material of the modified plastic sheet can be fully utilized, when the number of the modified plastic sheets is more than or equal to two, the laser can be recycled, and the utilization efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a laser etching apparatus of a 5G antenna oscillator (including a modified plastic sheet and a plastic substrate);
FIG. 2 is a schematic structural view of FIG. 1 without the fixing device;
FIG. 3 is a partial schematic view of a laser etching apparatus for a 5G antenna oscillator;
FIG. 4 is a top view of the laser etching apparatus for the 5G antenna oscillator;
FIG. 5 is a cross-sectional view of a laser etching device of the 5G antenna oscillator;
FIG. 6 is a schematic structural view of the fixing base;
FIG. 7 is an enlarged view of a portion of FIG. 1 at A;
FIG. 8 is a flowchart of a laser etching method for a 5G antenna oscillator;
reference numerals:
1. a fixing plate; 11. mounting grooves; 2. a limiting structure; 3. a fixed seat; 31. a support surface; 32. a limiting surface; 4. a fixing device; 51. a first modified plastic sheet; 52. a second piece of modified plastic; 6. a plastic substrate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 7, a laser etching apparatus for a 5G antenna oscillator fixes a first modified plastic sheet 51 and a second modified plastic sheet 52 containing an organic metal compound and a plastic substrate 6 of the 5G antenna oscillator, wherein the first modified plastic sheet 51 and the second modified plastic sheet 52 provide metal particles for local positions on the surface of the plastic substrate 6.
Laser radium carving device includes: a fixing plate 1 provided with a mounting groove 11; the limiting structure 2 is fixedly connected with the fixing plate 1 and used for fixing the plastic base material 6; the magnetic structure is at least partially arranged in the mounting groove 11 and correspondingly arranged at the bottom of the local position of the plastic substrate 6 to which the metal particles are to be attached; the two fixing seats 3 are symmetrically arranged on two sides of the mounting groove 11 and are used for fixing two symmetrical edges of the first modified plastic sheet 51; the fixing device 4 is fixedly connected with the limiting structure 2 and is used for fixing the second modified plastic sheet 52; the laser source emits laser to the first modified plastic sheet 51, reaches the second modified plastic sheet 52 through primary reflection, and reaches the surface of the plastic substrate 6 through secondary reflection, the first modified plastic sheet 51 and the second modified plastic sheet 52 release metal particles under laser projection, and the metal particles reach and are attached to the local surface of the plastic substrate 6 under the action of magnetic force.
The invention provides a laser etching device of an antenna oscillator with plastic as a base material, which takes a modified plastic sheet as a consumable material because the cost of the modified plastic sheet is higher than that of a common plastic sheet, can realize repeated utilization, and metal particles are uniformly formed in the modified plastic sheet, so that the metal particles can be continuously released under multiple laser irradiation until the thickness reaches a limit value, and can be replaced, thereby realizing full utilization. The cost and the weight are effectively reduced by adopting the plastic material as the base material of the antenna oscillator, the metal structure can be formed on the plastic base material 6 in a subsequent chemical plating mode by locally obtaining metal particles, the discharge of waste liquid in the chemical plating technology is less, the environmental pollution is less, the cost is lower, the environmental protection property of oscillator processing can be improved, and the stability of a plating layer can be kept for a long time in various environments.
In the invention, two modified plastic sheets are arranged around the plastic substrate 6, and the laser is reflected by the two modified plastic sheets to reduce the energy, so that the laser finally projected on the surface of the plastic substrate 6 can be locally heated but does not reach the material evaporation degree by reasonably controlling the reflection distance and the initial laser energy, or even if local evaporation is generated, the technical purpose of the invention is not influenced, a local heated area is necessarily formed on the surface of an evaporation layer, the formation of the area can generate proper adsorption action on the reached metal particles, the metal particles come from the two modified plastic sheets projected by the laser move to the surface of the plastic substrate 6 under the action of the magnetic force at the bottom of the plastic substrate 6 after the metal particles are released from the two modified plastic sheets, and then the metal particles are adsorbed by the heated area and are fixed on the surface of the plastic substrate 6 after the temperature is reduced, thereby facilitating subsequent chemical plating; of course, in the selection of the organometallic complex, a material that can be adsorbed by the magnetic material is used.
The technical scheme of the invention effectively reduces the cost of the 5G antenna oscillator, has smaller contact deformation amount with laser with lower energy, and can ensure the final use effect.
The first modified plastic sheet 51 is preferably disposed parallel to the plastic substrate 6, and more specifically, the first modified plastic sheet 51 is disposed in contact with the plastic substrate 6, so that a portion of the plastic substrate 6 that does not need to have a metal structure can be protected by the contact.
As a preferable example of the above embodiment, the second plastic modifier 52 is disposed parallel to the plastic base 6, and the distance from the plastic base 6 is greater than the distance between the first plastic modifier 51 and the plastic base 6, so that the mounting method is simple and the difficulty in controlling the reflection angle is low.
Also for the purpose of protecting the plastic substrate 6, the limiting structure 2 is a press block structure fixed with the fixing plate 1 through a connecting piece, and a slot for wrapping the edge of the plastic substrate 6 is formed between the limiting structure and the fixing plate 1. Through the setting of slot for plastic substrate 6 inserts and to realize fixedly, and can guarantee the protection to plastic substrate 6 through the slot, and the scope of action of laser can be made clear and definite equally, and in the in-process of actual production, plastic substrate 6 accessible obtains final required shape through the mode that cuts, and the mode that inserts the slot in the in-process accessible change direction of processing realizes obtaining of different regional metal particle.
As a preference of the above embodiment, the holder 3 includes: a support surface 31 for supporting the first plastic sheet 51; and three limiting surfaces 32 disposed on three surfaces of the supporting surface 31 for limiting the first plastic sheet 51. Since the first modified plastic sheet 51 is not affected by external force under the projection of laser, the limitation of the first modified plastic sheet 51 is only achieved by height and limitation in a plane parallel to the plastic substrate 6, so that the fixing base 3 in this embodiment ensures the height of the first modified plastic sheet 51 relative to the plastic substrate 6 through the supporting surface 31, and the limitation of the three limiting surfaces 32 ensures the accuracy of the final laser projection position.
In order to facilitate the use of the plastic sheets, the fixing device 4 includes two sliding grooves symmetrically disposed at two sides of the mounting groove 11, the sliding grooves wrap the edges of the second plastic sheet 52, and the second plastic sheet 52 slides along the sliding grooves. The position of the second plastic piece 52 at a set height can be determined by the chute, and the position of the second plastic piece 52 can be changed by the linear guide, so that different laser projection positions can be provided by the position movement of the consumable. In order to avoid the external influence, the two sliding grooves can be connected through the plate body structure, so that a relatively closed stable environment is formed between the connecting body and the plastic base material 6, the stable movement of the final metal particles is ensured, and the size of the magnetic force can be adjusted at the bottom of the fixing plate 1.
Wherein, magnetic structure is the permanent magnet sheet, and the magnetic structure cost of this kind of form is lower, and the installation degree of difficulty is little, only need imbed in the mounting groove 11 can. Or as another embodiment, the magnetic structure is an electromagnet, and the electromagnet can realize the adjustment of the magnetic size.
As shown in fig. 8, a laser etching method for a 5G antenna oscillator, which provides metal particles for local positions on the surface of a plastic substrate 6 of the 5G antenna oscillator through a modified plastic sheet containing an organic metal compound, includes the following steps:
s1: forming a magnetic area at the bottom of the plastic substrate 6, and arranging a modified plastic sheet around the plastic substrate 6;
s2: emitting laser to the modified plastic sheet, and releasing metal particles from the modified plastic sheet under the projection of the laser;
s3: controlling the angle of the modified plastic sheet, and finally reflecting the laser to the surface of the plastic substrate 6 to form a heated area;
s4: the metal particles released by the modified plastic sheet move to the heated area under the action of the magnetic area and are adsorbed;
s5: and cooling the plastic base material 6.
The method can obtain the same technical effect as the technical scheme, effectively reduces the cost and the deformation of the plastic base material 6 in a laser indirect projection mode, can realize the full utilization of the material of the modified plastic sheet by transferring the metal particles to the plastic base material 6 through the modified plastic sheet with higher cost, and can realize the reutilization of the laser and improve the utilization efficiency when the number of the modified plastic sheets is more than or equal to two. Of course, in order to ensure that the metal particles move within a predetermined range, it is preferable to provide two pieces of the modified plastic sheet so as to limit the movement range of the metal particles on the one hand and to ensure that the laser light finally applied to the surface of the plastic substrate 6 has energy sufficient to form a heated region on the other hand. Wherein the magnetism is provided by a permanent magnet or an electromagnet.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The laser etching device for the 5G antenna oscillator is characterized in that a first modified plastic sheet and a second modified plastic sheet containing organic metal compounds and a plastic substrate of the 5G antenna oscillator are fixed, and the first modified plastic sheet and the second modified plastic sheet provide metal particles for local positions on the surface of the plastic substrate;
laser radium carving device includes:
a fixing plate provided with a mounting groove;
the limiting structure is fixedly connected with the fixing plate and used for fixing the plastic base material;
the magnetic structure is at least partially arranged in the mounting groove and correspondingly arranged at the bottom of the local position of the plastic substrate to be attached with the metal particles;
the two fixing seats are symmetrically arranged on two sides of the mounting groove and are used for fixing two symmetrical edges of the first modified plastic sheet;
the fixing device is fixedly connected with the limiting structure and is used for fixing the second modified plastic sheet;
the laser source emits laser to the first modified plastic piece, reaches the second modified plastic piece through primary reflection, and reaches the surface of the plastic base material through secondary reflection, the first modified plastic piece and the second modified plastic piece release metal particles under laser projection, and the metal particles reach and are attached to the local surface of the plastic base material under the action of magnetic force.
2. The laser etching device of the 5G antenna oscillator according to claim 1, wherein the first modified plastic sheet is attached to the plastic substrate.
3. The laser etching device of the 5G antenna oscillator according to claim 2, wherein the second modified plastic sheet is arranged in parallel with the plastic substrate, and a distance between the second modified plastic sheet and the plastic substrate is greater than a distance between the first modified plastic sheet and the plastic substrate.
4. The laser etching device of the 5G antenna oscillator according to claim 1, wherein the limiting structure is a pressing block structure fixed with the fixing plate through a connecting piece, and a slot covering the edge of the plastic substrate is formed between the limiting structure and the fixing plate.
5. The laser etching device of the 5G antenna oscillator according to claim 1, wherein the fixing base comprises:
a support surface supporting the first plastic sheet;
and the three limiting surfaces are arranged on three surfaces of the supporting surface and used for limiting the first modified plastic sheet.
6. The laser etching device for the 5G antenna oscillator according to claim 1, wherein the fixing device comprises two sliding grooves symmetrically arranged on two sides of the mounting groove, the sliding grooves wrap edges of the second modified plastic sheet, and the second modified plastic sheet slides along the sliding grooves.
7. The laser etching device of the 5G antenna oscillator according to claim 1, wherein the magnetic structure is a permanent magnet sheet.
8. The laser etching device of the 5G antenna oscillator according to claim 1, wherein the magnetic structure is an electromagnet.
9. A laser etching method for a 5G antenna oscillator is characterized in that metal particles are provided for local positions on the surface of a plastic substrate of the 5G antenna oscillator through a modified plastic sheet containing an organic metal compound, and the laser etching method comprises the following steps:
forming a magnetic area at the bottom of the plastic substrate, and arranging the modified plastic sheet around the plastic substrate;
emitting laser to the modified plastic sheet, wherein the modified plastic sheet releases metal particles under the projection of the laser;
controlling the angle of the modified plastic sheet, and finally reflecting the laser to the surface of the plastic base material to form a heated area;
the metal particles released by the modified plastic sheet move to the heated region under the action of the magnetic region and are adsorbed;
and cooling the plastic base material.
10. The laser etching method for the 5G antenna oscillator according to claim 9, wherein the magnetism of the magnetic region is provided by a permanent magnet or an electromagnet.
CN202110516283.5A 2021-05-12 2021-05-12 Laser etching device and method for 5G antenna oscillator Expired - Fee Related CN112917016B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106073A (en) * 1993-09-09 1995-08-02 克罗内有限公司 Preparation for applying metall through surface structurization
CN103730720A (en) * 2013-12-20 2014-04-16 上海安费诺永亿通讯电子有限公司 Method for manufacturing antenna circuit on surface of antenna carrier with shielding structure
US20150038033A1 (en) * 2011-07-29 2015-02-05 Sinovia Technologies Composite Conductive Films with Enhanced Thermal Stability
CN105722332A (en) * 2016-03-08 2016-06-29 上海安费诺永亿通讯电子有限公司 Manufacturing method of circuit
CN209217190U (en) * 2019-01-30 2019-08-06 深圳市国人射频通信有限公司 Extensive multiple-input, multiple-output antenna for base station and its antenna oscillator
CN112341666A (en) * 2020-11-09 2021-02-09 中广核高新核材科技(苏州)有限公司 Preparation method of modified LDS laser etching auxiliary agent and LDS composite material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106073A (en) * 1993-09-09 1995-08-02 克罗内有限公司 Preparation for applying metall through surface structurization
US20150038033A1 (en) * 2011-07-29 2015-02-05 Sinovia Technologies Composite Conductive Films with Enhanced Thermal Stability
CN103730720A (en) * 2013-12-20 2014-04-16 上海安费诺永亿通讯电子有限公司 Method for manufacturing antenna circuit on surface of antenna carrier with shielding structure
CN105722332A (en) * 2016-03-08 2016-06-29 上海安费诺永亿通讯电子有限公司 Manufacturing method of circuit
CN209217190U (en) * 2019-01-30 2019-08-06 深圳市国人射频通信有限公司 Extensive multiple-input, multiple-output antenna for base station and its antenna oscillator
CN112341666A (en) * 2020-11-09 2021-02-09 中广核高新核材科技(苏州)有限公司 Preparation method of modified LDS laser etching auxiliary agent and LDS composite material

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