CN108631051A - The production method of antenna structure, intelligent terminal and antenna structure - Google Patents
The production method of antenna structure, intelligent terminal and antenna structure Download PDFInfo
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- CN108631051A CN108631051A CN201710169957.2A CN201710169957A CN108631051A CN 108631051 A CN108631051 A CN 108631051A CN 201710169957 A CN201710169957 A CN 201710169957A CN 108631051 A CN108631051 A CN 108631051A
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- antenna
- antenna structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
- H01Q1/368—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor using carbon or carbon composite
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- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
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Abstract
The present invention provides the production methods of a kind of antenna structure, intelligent terminal and antenna structure.The antenna structure includes：Base and antenna stack；Antenna stack, which attaches, to be arranged in base；Wherein, antenna stack is made of graphite material.To make the conducting wire of antenna on the basis of ensureing working performance, reduces the complexity of manufacturing process, reduces production cost and is more environmentally-friendly, solve the problems, such as that the antenna manufacturing process of intelligent terminal in the prior art is complicated.
Description
Technical field
The present invention relates to communication equipment fields, in particular to a kind of antenna structure, intelligent terminal and antenna
The production method of structure.
Background technology
The antenna of current intelligent terminal generally includes FPC antenna, LDS antennas and PDS antennas.Existing various days
The conducting wire for being all made of Copper base material and making antenna of line, complicated using the conducting wire manufacturing process of Copper base material making antenna,
Cost is higher and not environmentally friendly enough.
Invention content
The main purpose of the present invention is to provide the making sides of a kind of antenna structure, intelligent terminal and antenna structure
Method, the antenna manufacturing process to solve the problems, such as intelligent terminal in the prior art are complicated.
To achieve the goals above, according to the first aspect of the invention, a kind of antenna structure is provided, including：Base；
Antenna stack attaches and is arranged in base；Wherein, antenna stack is made of graphite material.
Further, antenna structure further includes：Feed point contact is arranged at the feed point of antenna stack.
Further, the thickness of antenna stack is 0.1-0.15mm.
Further, antenna structure further includes：Protective layer attaches and is arranged on antenna stack.
Further, base and protective layer are high temperature resistance polyester film (PET film).
Further, antenna structure further includes：Heat dissipating layer；Wherein, there is the shape with antenna stack to match in heat dissipating layer
Engraved structure, antenna stack is arranged in the engraved structure of heat dissipating layer.
Further, heat dissipating layer is made and heat dissipating layer and antenna stack mutually insulated of graphite material.
According to the second aspect of the invention, a kind of intelligent terminal, including antenna structure are provided, antenna structure is
The antenna structure of the above.
According to the third aspect of the present invention, a kind of production method of antenna structure is provided, antenna structure is in above-mentioned
The antenna structure of appearance, production method include：Prepare graphite material；According to the preset shape of the antenna stack of antenna structure in day knot
The adhesive layer to match with preset shape is smeared or sprayed in the base of structure；By the graphite material uniform fold prepared viscous
Connect simultaneously hot pressing and drying in oxidant layer.
According to the fourth aspect of the present invention, a kind of production method of antenna structure is provided, antenna structure is in above-mentioned
The antenna structure of appearance, production method include：Prepare graphite material；In the base of antenna structure integrally smear or spraying adhesive
Layer, and the graphite material entirety uniform fold prepared is subjected to hot pressing and drying on adhesive layer；According to antenna structure
Antenna stack identical with preset shape is cut out in the graphite linings of the preset shape of antenna stack after hot-pressing.
The antenna structure to apply the technical scheme of the present invention, including：Base and antenna stack；Antenna stack, which attaches, to be arranged in base
On；Wherein, antenna stack is made of graphite material.To make the conducting wire of antenna on the basis of ensureing working performance, subtract
The complexity of small manufacturing process reduces production cost and more environmentally-friendly, solves the day of intelligent terminal in the prior art
The problem of Wiring technology processing procedure complexity.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is optional a kind of structural schematic diagram of antenna structure according to embodiments of the present invention；
Fig. 2 is optional a kind of structural schematic diagram at another visual angle of antenna structure according to embodiments of the present invention；
Fig. 3 is optional a kind of structural schematic diagram of the layering of antenna structure according to embodiments of the present invention；
Fig. 4 is that a kind of antenna stack of optional antenna structure and the arrangement of heat dissipating layer are illustrated according to embodiments of the present invention
Figure；
Fig. 5 is optional a kind of manufacture craft schematic diagram of the antenna stack of antenna structure according to embodiments of the present invention；And
Fig. 6 is optional a kind of another visual angle of the manufacture craft of the antenna stack of antenna structure according to embodiments of the present invention
Schematic diagram.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, base；20, antenna stack；30, feed point contact；40, protective layer；50, heat dissipating layer；60, hot pressing roll shaft.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Antenna structure according to the ... of the embodiment of the present invention, as depicted in figs. 1 and 2, including：Base 10 and antenna stack 20；Antenna
Layer 20, which attaches, to be arranged in base 10；Wherein, antenna stack 20 is made of graphite material.
The antenna structure to apply the technical scheme of the present invention, including：Base 10 and antenna stack 20；Antenna stack 20 attaches setting
In base 10；Wherein, antenna stack 20 is made of graphite material.To make the conducting wire of antenna ensure working performance
On the basis of, reduce the complexity of manufacturing process, reduce production cost and is more environmentally-friendly, solves intelligent terminal in the prior art
The problem of the antenna manufacturing process complexity of equipment.
The electric field strength direction that the polarization mode of antenna is formed when referring to aerial radiation, the electric field radiated according to antenna
Polarization can be divided into：Linear polarization, circular polarisation, elliptic polarization.Linear polarization be divided into for：Horizontal polarization, vertical polarization.Work as electric field
When intensity direction is perpendicular to ground, this electric wave is known as vertically polarized wave；When electric field strength is oriented parallel to ground, this electric wave
It is known as horizontal polarized wave.
Antenna Design will consider frequency range and working environment.The working frequency range of mobile phone is divided into high, normal, basic 3 frequency ranges, and low frequency exists
900Mhz or so, high frequency is in 2.5Ghz or so.There are many disturbance means on cell phone mainboard.Therefore, mainly using linear polarization
PIFA antenna forms.When Antenna Design, the line correspondence of different frequency range is drawn from unified feed point, the antenna of different frequency range will divide
It opens.The antenna line length of corresponding frequency band is the 1/4 of wavelength, and trace width recommends 1mm, since cabling will avoid the influence on pcb plates
The true form of device, cabling is several full curves drawn from unified feed point, and low frequency wire is around high-frequency line.Usually
Low frequency line length 7-8cm or so, high frequency line length 3cm or so, specific size and shape will coordinate prototype concrete condition to be adjusted.It
For the resistance value influences of line to the efficiency radiated, the loss that low resistance is brought is few.
When it is implemented, at the antenna feed point of the wiring board of intelligent mobile terminal equipment, usually with metal clips or
PogoPIN is connected on antenna structure.Therefore, as shown in Figures 1 to 4, corresponding in antenna structure in order to ensure that contact is reliable
Feed point contact 30 is provided at contact point, feed point contact 30 is arranged at the feed point of antenna stack 20, i.e., feed point is attached at feed point
Golden finger, the size that feed point contact 30 is recommended are：1.5mmx2.5mm, thickness 0.15mm.
Further, the thickness of antenna stack 20 is 0.1-0.15mm, i.e., the thickness of graphite linings is 0.1-0.15mm, antenna stack
20 are continuous conductive path, and the shape of antenna stack 20 makes according to the band requirement of specific equipment, it is therefore an objective to which signal is humorous
It shakes away.
The shape of antenna stack 20 is in design, by cutting out single-curved surface or plane in the antenna area of handset shell, according to
The design method of conventional fpc designs the shape assumption diagram of antenna stack 20, and plan view is launched by software.The assembly side of antenna
Formula can continue to use the assembly method of fpc antennas.
In order to form effective protection to antenna stack 20, antenna structure further includes：Protective layer 40, the attaching of protective layer 40 are set
It sets on antenna stack 20.In a thickness direction, antenna stack 20 is wrapped in centre by base 10 and protective layer 40, in the feed point of feed point
At contact 30, protective layer 40 wants notch to avoid.Specifically, base 10 and protective layer 40 are high temperature resistance polyester film (PET
Film), and thickness is 0.05mm.In order to guarantee with 20 firm structure of antenna stack, sticking on thickness in base 10 is
The gum of 0.05mm.
The specific good heat conductivility of graphite material itself, therefore, antenna stack 20 can be by heats from the antenna feed of mainboard
The rear shell that point transmission is dispersed into mobile phone radiates.
In order to further enhance the heat dissipation performance of antenna stack 20, as shown in figure 4, antenna structure further includes：Heat dissipating layer 50；Its
In, there is the engraved structure that the shape with antenna stack 20 matches, antenna stack 20 engraving in heat dissipating layer 50 is arranged in heat dissipating layer 50
In hollow structure, which is made of graphite material.
Since the thermal conductivity of graphite is good, graphite antenna can also by heat from the antenna feed point of mainboard transmission distribute it is in one's hands
The rear shell of machine.In order to increase the effect of heat dissipation, specifically, increases continuous graphite linings around the track of antenna stack 20 and formed
Independent heat dissipating layer 50, the graphite linings of heat dissipating layer 50 and the track of antenna stack 20 are not turned on, between the two mutually insulated, thickness side
To not also being overlapped.It may be implemented in same thickness space, reinforce heat sinking function.This scheme can replace independent heat dissipation
Piece.2 groups of graphite linings are placed side by side, and one group is used as antenna stack 20, and another set is as heat dissipating layer 50.
Furthermore it is possible to a certain amount of powdered graphite is mixed in the material of handset shell can increase heat dissipation performance, but it is necessary
Control is within certain proportional region.If powdered graphite addition is more, housing conductive can be made, influence the radio frequency of antenna
Energy.
Second embodiment according to the present invention, provides a kind of intelligent terminal, including antenna structure, this day knot
Structure is the antenna structure of above-described embodiment.Using the intelligent terminal of the antenna structure of above-described embodiment, make the conduction of antenna
Circuit reduces the complexity of manufacturing process, reduces production cost and is more environmentally-friendly, solve on the basis of ensureing working performance
The problem of the antenna manufacturing process complexity of intelligent terminal in the prior art.
Third embodiment according to the present invention, provides a kind of production method of antenna structure, which is upper
The antenna structure of embodiment is stated, which specifically includes following steps：
S102：Prepare graphite material；
S104：In the base 10 of antenna structure smear or spray according to the preset shape of the antenna stack 20 of antenna structure with
The adhesive layer that preset shape matches；
S106：Simultaneously hot pressing and the drying on adhesive layer by the graphite material uniform fold prepared.
Specifically, in step s 102, natural graphite being smashed grind first, by repeatedly crushing, finally again with classification
Super grinder, which is ground into, is processed into uniform fine particle, about 10-50 microns of diameter.The fineness of graphite is by adjusting grinding
The rotating speed and air quantity of machine is realized.Particle must filtering screening, removal of impurities.The sieve of selection is from 325 mesh to 1800 mesh.
The conductive gluing particle of a certain proportion of hot melt is added in powdered graphite after grinding and mixes, heats conductive gluing
Particle also wants attrition grinding, reaches size 50-150um, and particle also wants filtering screening, removal of impurities.Sieve is from 170 mesh to 325 mesh.By
In the factor of environment, also to dry, destatic.20 DEG C -25 DEG C of environment temperature holding, humid control are within the scope of 20%-50%.
In step S104, the hot melt adhesive of the antenna pattern by having sheared is sticked in base 10, or in base 10
On printed according to the preset shape of antenna stack 20 or spraying conductive glue (conductive or non-conductive, conductive glue performance is more
It is good).Powdered graphite can also may be implemented jet printing, day completed in plane or curved surface with special solvent as carrier
The track of line can also use same operation if making antenna with graphene.
In step s 106, as shown in Figure 5 and Figure 6, the powdered graphite of mixing is uniformly spread on the track of antenna stack 20,
Specifically, by automatic orbit feed mechanism by powdered graphite uniform fold on respective antenna track, automatic orbit feeder
The flow of the funnel exit powder of structure is controlled by sensor, and the track of feeding is controlled by computer program.
Roll-in is heated and carried out to powdered graphite by hot pressing roll shaft 60, hot pressing roll shaft 60 uses electrically heated constant temperature hot pressing
Roll shaft, temperature are maintained at 130-180 DEG C, and general temperature is maintained at 135 DEG C.Hot pressing pressure is 10-20 pounds/square inch,
When hot pressing between 2-5 seconds.Multiple hot pressing can improve electric conductivity, general hot pressing 2 times.
After the completion of hot pressing, the edge of the cabinet-type air conditioner of antenna stack 20 has extra graphite linings, in order to ensure the performance of antenna, needs
Extra graphite linings are modified into removal.Specifically, it cuts or is cut by laser using cutting die, by the portion beyond antenna track width
Divide removal.The track width of antenna stack 20 is controlled in 0.7mm-1mm.
Finally, up-protective layer 40 is covered on the surface of ready-made antenna stack 20.At antenna feed point, for ensure contact can
By property, thin golden finger, i.e. feed point contact 30 are pasted in the top of antenna stack 20.The size Control of golden finger in 1.5x2.5mm,
Away from 0.5mm, the material thickness 0.05mm of protective film.
If doing antenna stack 20 with graphene, due to the honeycomb of graphene, so the electronics that its surface generates
Surface wave range is also most wide.Research shows that：Nano-antenna working frequency based on graphene is between 0.1 to 10 Terahertzs, energy
Enough data rates by wireless network improve more than two orders of magnitude.The frequency range of graphene antenna at present, is mainly used near field
Communication, such as RFID.
According to the fourth aspect of the present invention, a kind of production method of antenna structure is provided, which is above-mentioned
The antenna structure of embodiment, the production method specifically include following steps：
S202：Prepare graphite material；
S204：It is integrally smeared in the base 10 of antenna structure or spraying and adhesive bonding oxidant layer, and the graphite material that will be prepared
Whole uniform fold carries out hot pressing and drying on adhesive layer；
S206：According to being cut out in the graphite linings of the preset shape of the antenna stack 20 of antenna structure after hot-pressing and preset shape
Identical antenna stack 20.
The process that step S202 prepares graphite material is identical as the preparation process of third embodiment, and details are not described herein.
In step S204, in coating hot-melt adhesive or printing in base 10 or spraying conductive glue, without according to day
The preset shape of line layer 20 is sprayed.Specifically, full wafer hot melt adhesive can be first coated in base 10, or in base 10
Whole face is printed or spraying conductive glue, then uniformly spreads the mixed-powder of graphite powder and the conductive gluing particle of hot melt, then leads to
It overheats pressure roller shaft 60 and carries out constant temperature hot pressing, form complete graphite sheet layer material.
In step S206, according to the preset shape of antenna stack 20, is cut or be cut by laser directly complete using cutting die
Graphite sheet layer material on cut out the shape of required antenna stack 20.Finally protective layer 40 and feed point contact 30 are pasted again, it is complete
At the making of graphite antenna.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of antenna structure, which is characterized in that including：
Base (10)；
Antenna stack (20) attaches and is arranged in the base (10)；
Wherein, the antenna stack (20) is made of graphite material.
2. antenna structure according to claim 1, which is characterized in that the antenna structure further includes：
Feed point contact (30) is arranged at the feed point of the antenna stack (20).
3. antenna structure according to claim 1, which is characterized in that the thickness of the antenna stack (20) is 0.1-
0.15mm。
4. antenna structure according to claim 1, which is characterized in that the antenna structure further includes：
Protective layer (40) attaches and is arranged on the antenna stack (20).
5. antenna structure according to claim 4, which is characterized in that the base (10) and the protective layer (40) are
High temperature resistance polyester film.
6. antenna structure according to claim 1, which is characterized in that the antenna structure further includes：
Heat dissipating layer (50)；
Wherein, there is the engraved structure that the shape with the antenna stack (20) matches, the antenna in the heat dissipating layer (50)
Layer (20) is arranged in the engraved structure of the heat dissipating layer (50).
7. antenna structure according to claim 6, which is characterized in that the heat dissipating layer (50) be made of graphite material and
The heat dissipating layer (50) and the antenna stack (20) mutually insulated.
8. a kind of intelligent terminal, including antenna structure, which is characterized in that the antenna structure is to appoint in claim 1 to 7
Antenna structure described in one.
9. a kind of production method of antenna structure, which is characterized in that the antenna structure is any one of claim 1 to 7 institute
The antenna structure stated, the production method include：
Prepare graphite material；
In the base (10) of the antenna structure smear or spray according to the preset shape of the antenna stack (20) of antenna structure with
The adhesive layer that the preset shape matches；
Simultaneously hot pressing and the drying on the adhesive layer by the graphite material uniform fold prepared.
10. a kind of production method of antenna structure, which is characterized in that the antenna structure is any one of claim 1 to 7 institute
The antenna structure stated, the production method include：
Prepare graphite material；
In the base (10) of the antenna structure integrally smear or spraying and adhesive bonding oxidant layer, and by the graphite material prepared entirety
Uniform fold carries out hot pressing and drying on the adhesive layer；
It is cut out and the preset shape phase according in the graphite linings of the preset shape of the antenna stack (20) of antenna structure after hot-pressing
Same antenna stack (20).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169957.2A CN108631051B (en) | 2017-03-21 | 2017-03-21 | Antenna structure, intelligent terminal device and manufacturing method of antenna structure |
| PCT/CN2018/071943 WO2018171297A1 (en) | 2017-03-21 | 2018-01-09 | Antenna structure, intelligent terminal device, and method for manufacturing antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169957.2A CN108631051B (en) | 2017-03-21 | 2017-03-21 | Antenna structure, intelligent terminal device and manufacturing method of antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108631051A true CN108631051A (en) | 2018-10-09 |
| CN108631051B CN108631051B (en) | 2022-09-02 |
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| CN201710169957.2A Active CN108631051B (en) | 2017-03-21 | 2017-03-21 | Antenna structure, intelligent terminal device and manufacturing method of antenna structure |
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| CN (1) | CN108631051B (en) |
| WO (1) | WO2018171297A1 (en) |
Cited By (1)
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| CN111048424A (en) * | 2019-10-30 | 2020-04-21 | 广东佛智芯微电子技术研究有限公司 | Packaging method and packaging structure of three-dimensional heterogeneous AIP chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI719715B (en) * | 2019-11-14 | 2021-02-21 | 健鼎科技股份有限公司 | Gold finger structure and manufacturing method thereof |
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| WO2018171297A1 (en) | 2018-09-27 |
| CN108631051B (en) | 2022-09-02 |
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