CN220122097U - Flexible millimeter wave array antenna - Google Patents
Flexible millimeter wave array antenna Download PDFInfo
- Publication number
- CN220122097U CN220122097U CN202321143047.4U CN202321143047U CN220122097U CN 220122097 U CN220122097 U CN 220122097U CN 202321143047 U CN202321143047 U CN 202321143047U CN 220122097 U CN220122097 U CN 220122097U
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- China
- Prior art keywords
- array antenna
- flexible
- substrate
- wave array
- millimeter wave
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- 239000000758 substrate Substances 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 229920000515 polycarbonate Polymers 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 210000002268 wool Anatomy 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 5
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 3
- 229940093609 tricaprylin Drugs 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Details Of Aerials (AREA)
Abstract
A flexible millimeter wave array antenna comprising: a flexible substrate having a first surface and a second surface; the array antenna structure is formed on the first surface of the flexible substrate and is formed by at least two metal sheet types which are periodically arranged at intervals and connected by a metal transmission line. The thickness of the flexible substrate is between 1 and 240 microns, and the circumference of the metal sheet is between 0.4 and 1.3 cm. The flexible millimeter wave array antenna can be easily realized in a mobile Internet of things system.
Description
Technical Field
The present utility model relates to an array antenna, and more particularly, to a flexible millimeter wave array antenna applied to the internet of things.
Background
With the support of this technology, everything interconnects including cell phones, tablet computers, automobiles, home appliances, and factory production facilities will be implemented to form the internet of things (IoT). Meanwhile, a 5G system also becomes a foundation for building a mobile interconnection society, and is a key technology for realizing digitization in various fields of life and economy.
The base station antenna converts information energy between the base station equipment and the terminal user, and in the signal transmission process, the modulated radio frequency current is converted into electromagnetic waves through the base station antenna and radiated to a preset area (such as a mobile phone); in the receiving process, the electromagnetic wave modulated by the user information is received by the base station antenna, effectively converted into radio frequency current, and transmitted to the local side equipment, namely the base station antenna takes the important role of transmission in mobile communication, and the service quality and coverage of the communication network are directly affected. Base station antenna design techniques include multi-beam (multi-beam), active array antennas (active phased array), beamforming (beamforming), massive antennas (massive MIMO), and the like.
With the systemization and complication of 5G high frequency antenna design, such as beam array (achieving space division multiplexing), multi-beam, multi-band, high-band, and high-band, there are demands for the antenna, and problems related to the overall system and compatibility, especially the transmission capacity, coverage and efficiency of the antenna design will be about, and for telecom operators, the operation cost and capital expenditure will be affected. 5G signals are difficult to transmit over large distances and therefore require repeaters to act as insufficient signal repeaters.
The series material requirements for the flexible millimeter wave array antenna include: outdoor low-temperature impact resistant technology, antenna housing weight reduction technology, radio frequency signal transmission research, thermal management scheme, electronic integration scheme, post-consumer recycled materials and the like. The soft substrate material has been widely used in the field of electronic and electric appliances due to its excellent properties, and is one of ideal materials for 5G technology. The flexible substrate product can be embedded (or protruded) according to different environments and population densities to match specific environments. Therefore, the function maximization of the technical facility is realized, the technical requirement is met, and meanwhile, the product can be more integrated into or enhanced in the construction of the 5G city.
In view of the above, it is necessary to provide a flexible millimeter wave array antenna applicable to the internet of things to solve the above problems.
Disclosure of Invention
The utility model mainly aims at providing a flexible millimeter wave array antenna which can be applied to the Internet of things and has the advantages of high maneuverability, portability, capability of resisting outdoor low-temperature impact, material recovery after consumption and the like. Through the light flexible substrate, the embedded (fixing) or protruding (projecting) flexible millimeter wave array antenna can be realized according to different environments and population densities so as to match specific environment signal reception.
In order to achieve the main object of the present utility model, the present utility model provides a flexible millimeter wave array antenna, which comprises a flexible substrate and an array antenna structure. The flexible substrate is provided with a first surface and a second surface, the array antenna structure is formed on the first surface of the flexible substrate and is formed by at least two metal sheet types which are periodically arranged at intervals and are connected by a metal transmission line. The thickness of the flexible substrate is between 1 and 240 microns, and the circumference of the metal sheet is between 0.4 and 1.3 cm.
According to a feature of the present utility model, the array antenna structure may be combined into an array shape of n columns and m rows, where n and m are positive integers.
According to a feature of the present utility model, the flexible substrate is a liquid crystal polymer substrate (LCP), a polycarbonate-based substrate (PI), a modified polycarbonate-based substrate (MPI), a Polycarbonate (PC) substrate, a polyethylene terephthalate (PET) substrate, a polyethylene naphthalate (PEN) substrate, a Polydimethylsiloxane (PDMS) substrate, a polydimethylsiloxane-tricaprylin/decanoate glyceride (PDMS-MCT) substrate, paper (such as photographic paper manufactured by kodak corporation) or a flexible substrate such as wool fabric (fleece fabric), wool felt (felt), cotton/polyester (cotton/polyester), nylon cloth (cordiura) …, or the like.
According to a feature of the present utility model, the flexible substrate has a dielectric constant between 1.2 and 4.
According to a feature of the present utility model, the thickness of the metal sheet and the metal transmission line of the array antenna structure is between 1 μm and 20 μm.
According to one feature of the present utility model, the second surface of the flexible substrate is coated with a grounding metal, and the thickness of the grounding metal is between 1 micron and 20 microns.
According to a feature of the utility model, the grounding metal is electrolytic copper or rolled copper.
According to a feature of the present utility model, the array antenna structure further includes a protective film, and the protective film is an insulating dielectric film.
According to a feature of the utility model, the protective film has a thickness of 100 nm or less.
The flexible millimeter wave array antenna of the utility model has at least the following effects. First, the flexible millimeter wave array antenna can be applied to the Internet of things and has the advantages of high mobility, portability and the like. Second, the soft millimeter wave array antenna of the utility model has the advantages of outdoor low temperature impact resistance, recyclable materials and the like. Thirdly, the soft millimeter wave array antenna of the utility model can realize embedded (shaping) or protruding (protruding) soft millimeter wave array antenna according to different environments and population densities so as to match specific environmental signal reception.
Drawings
The foregoing and other objects, features, and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings in which:
fig. 1 is a schematic side view of a flexible millimeter wave array antenna according to the present utility model;
fig. 2 is a schematic plan view of a flexible millimeter wave array antenna according to the present utility model; and
fig. 3 is a schematic diagram of pattern assembly of the flexible millimeter wave array antenna according to the present utility model.
[ symbolic description ]
10 Flexible millimeter wave array antenna
20 grounding metal
30 Flexible substrate
32 first surface
34 second surface
40 array antenna structure
42 sheet metal type
44 metal transmission line
46 input end
50 protective film
Detailed Description
While this utility model is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail a preferred embodiment of the utility model. Those skilled in the art will appreciate that the apparatus and methods specifically described herein and illustrated in the accompanying drawings are considered an exemplification, non-limiting exemplary embodiments of the utility model and that the scope of the utility model is defined solely by the claims. The features illustrated or described in connection with one exemplary embodiment may be combined with the features of other embodiments. Such modifications and variations are intended to be included within the scope of the present utility model.
Referring now to fig. 1 and 2, fig. 1 is a schematic side view of a structure of a flexible millimeter wave array antenna 10 according to an embodiment of the utility model, and fig. 2 is a schematic plan view of the flexible millimeter wave array antenna 10 according to an embodiment of the utility model. The flexible millimeter wave array antenna 10 includes: a flexible substrate 30 having a first surface 32 and a second surface 34; and an array antenna structure 40 formed on the first surface 32 of the flexible substrate 30 and formed of at least two metal sheets 42. The circumference of each sheet metal 42 is between 0.4 cm and 1.3 cm. In addition, the metal sheets 42 are periodically arranged at intervals and connected by metal transmission lines 44; wherein, the thickness of the flexible substrate 30 is between 1 micron and 240 microns.
The flexible substrate 30 is a multi-layered film substrate mainly of polyimide, polycarbonate or polyethylene terephthalate, having a light transmittance of more than 90% and a haze of 0.7 to 3; there will be an opportunity in the process to use a continuous roll-to-roll process. The flexible substrate 30 is preferably selected from a liquid crystal polymer substrate (LCP), a polycarbonate-based substrate (PI), a modified polycarbonate-based substrate (MPI), a Polycarbonate (PC) substrate, a polyethylene terephthalate (PET) substrate, a polyethylene naphthalate (PEN) substrate, a Polydimethylsiloxane (PDMS) substrate, a polydimethylsiloxane-tricaprylin/decanoate glyceride (PDMS-MCT) substrate, paper (such as photographic paper manufactured by kodak corporation) or a flexible substrate such as a wool fabric (fleece fabric), a wool felt (felt), a cotton/polyester (cotton/polyester), a nylon cloth (cordiura) …, and the like, and has a thickness of between 1 and 240 micrometers. The dielectric constant of the flexible substrate 30 is between 1.2 and 4. The second surface 34 of the flexible substrate 30 is coated with the grounding metal 20, and the thickness of the grounding metal 20 is between 1 micron and 20 microns. In one embodiment, the ground metal 20 is electrolytic copper. In one embodiment, the ground metal 20 is calendered copper.
The thickness of the metal sheets 42 and the metal transmission lines 44 of the array antenna structure 40 is between 1 micron and 20 microns. The sheet metal type 42 of the array antenna structure 40 is used to obtain a higher power carrying capability. The impedance of the metal transmission line 44 is between 45 ohms and 120 ohms. The array antenna structure 40 has an input 46 for connection to the rf front-end line, the impedance of the input 46 being between 45 ohms and 60 ohms.
The array antenna structure 40 can be manufactured by using a low-cost manufacturing method, for example, a continuous roll-to-roll process is used to manufacture the array antenna structure 40 on the flexible substrate 30 in large quantities.
The array antenna structure 40 further includes a protective film 50 thereon for protecting the array antenna structure 40 from degradation caused by moisture. The protective film 50 may be an insulating dielectric film, such as alumina, and has a thickness of 100 nm or less, so that the reduction of light transmittance can be avoided.
Referring now to fig. 3, the structure shown in fig. 3 is that a plurality of array antenna structures 40 may be formed on the same flexible substrate (e.g., flexible substrate 30) and arranged in an array combination of n columns and m rows, where n and m are positive integers. It should be noted that the arrangement of the metal sheets 42 of each array antenna structure 40 is not limited to that shown in fig. 3.
Although the present utility model has been described in terms of the preferred embodiment, it is not limited thereto, but is capable of numerous changes and modifications as will occur to those skilled in the art without departing from the spirit and scope of the present utility model. Modifications and variations may be made to the above teachings without departing from the spirit of the utility model. The scope of the utility model is therefore defined in the appended claims.
Claims (10)
1. A flexible millimeter wave array antenna comprising:
a flexible substrate having a first surface and a second surface; and
the array antenna structure is formed on the first surface of the flexible substrate and is formed by at least two metal sheet types which are periodically arranged at intervals and connected by a metal transmission line;
wherein the thickness of the flexible substrate is between 1 micron and 240 microns, and the circumference of each metal sheet is between 0.4 cm and 1.3 cm.
2. The flexible millimeter wave array antenna of claim 1, wherein the array antenna structures are combined into an array shape of n columns and m rows, where n and m are positive integers.
3. The flexible millimeter wave array antenna of claim 1, wherein the flexible substrate is a liquid crystal polymer substrate, a polycarbonate-based substrate, a modified polycarbonate-based substrate, a polyethylene terephthalate substrate, a polyethylene naphthalate substrate, a polydimethylsiloxane-tricaprylin/decanoate glyceride substrate, or a kodak paper.
4. The flexible millimeter wave array antenna of claim 1, wherein the flexible substrate is a wool fabric, wool felt, cotton/polyester or nylon cloth.
5. The flexible millimeter wave array antenna of claim 1, wherein the flexible substrate has a dielectric constant between 1.2 and 4.
6. The flexible millimeter-wave array antenna of claim 1, wherein the thickness of the at least two metal sheets and the metal transmission line of the array antenna structure is between 1 μm and 20 μm.
7. The flexible millimeter wave array antenna of claim 1, wherein the second surface of the flexible substrate is coated with a grounding metal having a thickness between 1 micron and 20 microns.
8. The flexible millimeter-wave array antenna of claim 7, wherein the grounding metal is electrolytic copper or calendered copper.
9. The flexible millimeter-wave array antenna of claim 1, further comprising:
and the protective film is positioned on the array antenna structure and is used for insulating the dielectric film.
10. The flexible millimeter-wave array antenna of claim 9, wherein the protective film has a thickness of 100 nm or less.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW112201277 | 2023-02-15 | ||
TW112201277U TWM641109U (en) | 2023-02-15 | 2023-02-15 | Flexible millimeter wave array antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220122097U true CN220122097U (en) | 2023-12-01 |
Family
ID=87383038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321143047.4U Active CN220122097U (en) | 2023-02-15 | 2023-05-12 | Flexible millimeter wave array antenna |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN220122097U (en) |
TW (1) | TWM641109U (en) |
-
2023
- 2023-02-15 TW TW112201277U patent/TWM641109U/en unknown
- 2023-05-12 CN CN202321143047.4U patent/CN220122097U/en active Active
Also Published As
Publication number | Publication date |
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TWM641109U (en) | 2023-05-11 |
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