CN103199330A - Electronic device shell integrated with antenna and manufacturing method thereof - Google Patents
Electronic device shell integrated with antenna and manufacturing method thereof Download PDFInfo
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- CN103199330A CN103199330A CN2012101087501A CN201210108750A CN103199330A CN 103199330 A CN103199330 A CN 103199330A CN 2012101087501 A CN2012101087501 A CN 2012101087501A CN 201210108750 A CN201210108750 A CN 201210108750A CN 103199330 A CN103199330 A CN 103199330A
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- antenna
- electronic device
- metal material
- case
- model structure
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000007769 metal material Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000000994 depressogenic effect Effects 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 8
- 238000010147 laser engraving Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
An electronic device shell integrating an antenna and a manufacturing method thereof. The method comprises the following steps: providing a shell, wherein the shell comprises a model structure which is convexly arranged on the inner surface of the shell, and the model structure comprises a concave part; spraying a metal material on the model structure, and enabling the metal material to fill the concave part; and removing the redundant metal material on the surface of the model structure so that the metal material in the concave part forms a three-dimensional antenna structure. The invention also provides an electronic device shell manufactured by the manufacturing method of the electronic device shell with the integrated antenna. Through the design of the invention, the metal material forms the antenna in a three-dimensional form through the model structure of the shell structure, compared with the existing laser engraving antenna, the antenna formed by the invention can provide a larger range of integral surface area by changing the depth of the concave part, and the existing complicated antenna manufacturing process can be reduced, so that the manufacturing cost is reduced.
Description
Technical field
The present invention relates to a kind of case of electronic device, particularly a kind of case of electronic device and manufacture method thereof of integral antenna setting.
Background technology
Portable electronic devices is provided with antenna module, with the usefulness of generator transmitting/receiving wireless signal of communication or transmission data.General antenna module itself has certain volume, and for the portable electronic devices of the lightening design of trend, its inner usage space is limited, therefore must consider problems such as space and line configuring when antenna arranges, and device is made or comparatively inconvenience of assembling.Along with scientific and technological progress, develop gradually and the antenna structure made from laser engraving forming technique (LDS), the antenna pattern that it can directly be wanted with laser engraving in surface of shell electroplates to form plane antenna structure at this antenna pattern again, by this to reduce the volume that arranges of antenna.
Yet after surface of shell was handled, surface of shell was easy to generate the situation of surface irregularity with laser engraving and electroplating technology; In order to cover or to improve irregular antenna pattern, must will elongate the spent time of whole manufacturing process thus at antenna position through the repetitious processing of spraying paint, and additionally increase the cost cost of these operations.
How therefore better antenna and housing integrated structure be provided, and to simplify manufacturing process and complexity, is the problem of a worth research in fact.
Summary of the invention
In view of this, main purpose of the present invention provides case of electronic device structure and the manufacture method thereof that a kind of integral antenna arranges, to solve the technical problem that case of electronic device that prior art exists must arrange respectively with antenna module.
For reaching above-mentioned purpose, the technical scheme that employing of the present invention is following:
A kind of manufacture method of case of electronic device of integral antenna, this method may further comprise the steps:
One shell structure is provided, and this shell structure comprises a model structure, be an inner surface that is convexly set in this shell structure, and this model structure comprises a depressed part;
Spray a metal material on this model structure, and make this metal material fill up this depressed part; And
Removal is positioned at the excess metal material on the surface of this model structure, so that this metal material in this depressed part forms a 3 D antenna structure.
In one embodiment of this invention, the manufacture method of the case of electronic device of integral antenna is further comprising the steps of: the spray metal material is in the weld part of 3 D antenna structure, makes the thickness of weld part greater than the thickness by the formed 3 D antenna structure of depressed part; And welding lead is in weld part.
In one embodiment of this invention, depressed part has a degree of depth, by changing depth size to adjust the formed total surface area size of 3 D antenna structure.
The case of electronic device that the present invention also provides a kind of manufacture method of case of electronic device of application of aforementioned integral antenna to make, it comprises:
One shell structure comprises a model structure, be an inner surface that is convexly set in this shell structure, and this model structure comprises a depressed part; And
One metal material is to fill up this depressed part to form a 3 D antenna structure.
In one embodiment of this invention, the case of electronic device of integral antenna more comprises a lead, and this 3 D antenna structure comprises a weld part, and this wire bonds is in this weld part, and wherein the thickness of this weld part is greater than the thickness by formed this 3 D antenna structure of this depressed part.
Owing to adopt above technical characterictic, make the present invention compared to existing technology, have following advantage and enthusiasm effect:
By design of the present invention, make metal material form the antenna of three-dimensional form by the model structure of shell structure, compared to existing laser engraving antenna, the formed antenna of the present invention itself can be by changing the degree of depth of recess, and provide wider whole surface area, and can reduce existing more numerous and diverse antenna manufacturing process, to reduce manufacturing cost.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the shell structure schematic diagram of the case of electronic device of integral antenna of the present invention;
Fig. 2 is that the case of electronic device of integral antenna of the present invention utilizes shell structure to form the schematic diagram of 3 D antenna structure;
Fig. 3 is the flow chart of manufacture method of the case of electronic device of integral antenna of the present invention;
Fig. 4 (a) is that the shell structure of case of electronic device of the present invention is along the cutaway view of A-A ' line among Fig. 2;
Fig. 4 (b) is the model structure of the shell structure of the present invention cutaway view along A-A ' line among Fig. 2 behind the material of spray metal;
Fig. 4 (c) is that the model structure of shell structure of the present invention is arranged in removal behind the excess metal material on surface along the cutaway view of Fig. 2 A-A ' line;
Fig. 4 (d) is shell structure of the present invention cutaway view along B-B ' line among Fig. 2 after 3 D antenna structure is shaped;
Fig. 4 (e) is along the cutaway view of B-B ' line among Fig. 2 behind the 3 D antenna structure welding lead of the present invention.
Embodiment
For more understanding technology contents of the present invention, be described as follows especially exemplified by going out preferred embodiment.
Please in the lump with reference to figure 1 and Fig. 2.Fig. 1 is shell structure 10 schematic diagrames of the case of electronic device 1 of integral antenna of the present invention; Fig. 2 is that the case of electronic device 1 of integral antenna of the present invention utilizes shell structure 10 to form the schematic diagram of 3 D antenna structure 30.In one embodiment of this invention, the case of electronic device 1 of integral antenna can be applicable to pocket computer, but the present invention also can be applicable to intelligent mobile phone, personal digital assistant or other portable electronic devices of the antenna requirements of arranging etc. are arranged not as limit.
As shown in Figure 1, the case of electronic device 1 of integral antenna of the present invention comprises shell structure 10, and this shell structure 10 is to use plastic material (for example plastics etc.) made with injection molding method.Shell structure 10 has an inner surface 12, and shell structure 10 comprises model structure 11, and this model structure 11 is to be convexly set on the inner surface 12 and to form a stereochemical structure.Model structure 11 comprises depressed part 111, and depressed part 111 groove structure for having a degree of depth itself is that the antenna pattern at the desire design of electronic installation institute is shaped in advance, so the shape of depressed part 111 and the degree of depth can the changes according to the demand difference.
As shown in Figure 2, and depressed part 111 can be for inserting metal material to form a 3 D antenna structure 30.The aforementioned metal material is by mode covering shell structures 10 such as sprayings, makes metal material fill up depressed part 111, to constitute 3 D antenna structure 30 articulating on shell structure 10.Metal material herein can be selected metal materials such as general copper, aluminium for use, but the present invention is not as limit.
In addition, model structure 11 also comprises lead fixed portion 112, and it is the end that correspondence is arranged at depressed part 111, is used to assist the fixing lead 40 that is connected with 3 D antenna structure 30 after 3 D antenna structure 30 is shaped.And after lead 40 electrically connects with 3 D antenna structure 30, can provide functions such as the signal transmission of 3 D antenna structure 30 and ground connection.
Please refer to Fig. 3 and be the flow chart of manufacture method of the case of electronic device of integral antenna of the present invention.As shown in Figure 3, the manufacture method of the case of electronic device of integral antenna of the present invention comprises that step S301 is to step S305.Below will cooperate Fig. 1 to Fig. 3 to describe each step of manufacture method of the case of electronic device of integral antenna of the present invention in detail in the lump.
Step S301: a shell structure 10 is provided, and shell structure 10 comprises model structure 11, be the inner surface 12 that is convexly set in shell structure 10, and model structure 11 comprises depressed part 111.
Please refer to Fig. 4 (a) is that the shell structure 10 of case of electronic device of the present invention is along the cutaway view of A-A ' line among Fig. 2.Shown in Fig. 4 (a), the manufacture method for the case of electronic device of carrying out integral antenna of the present invention at first needs to provide foregoing shell structure 10.Shell structure 10 comprises the model structure 11 of the inner surface 12 that is convexly set in shell structure 10, and model structure 11 comprises from its surface in fact the depressed part 111 deep towards the below, makes depressed part 111 have a degree of depth.In the present embodiment, the degree of depth of depressed part 111 can connect model structure 11 bodies and arrive at the inner surface 12 of shell structure 10, this degree of depth can change according to 11 designs of different model structures, and be not limited with present embodiment, for example can adopt the more shallow degree of depth, or even on the inner surface 12 of shell structure 10 also the corresponding part groove that forms with the degree of depth of more deepening formed integrated antenna etc.
Step S302: the spray metal material and makes metal material fill up depressed part 111 on model structure 11.
The model structure 11 that please refer to Fig. 4 (b) and be shell structure 10 of the present invention behind the material of spray metal along the cutaway view of A-A ' line among Fig. 2.Shown in Fig. 4 (b), after step S201 obtains shell structure 10, can use metal material 20, carry out spraying operation at the model structure 11 on the inner surface 12 of shell structure 10, mainly be depressed part 111 sprayings at model structure 11, in order to metal material 20 is filled up depressed part 111, and then form designed antenna structure.Along with the carrying out of spraying operation, part metals material 20 also can be formed on the surface of model structure 11.
In another embodiment of the present invention, metal material also can adopt the material with anti-emi characteristics, for example uses zinc alloy metal etc.General case of electronic device can be at the anti-electromagnetic interference material of housing spraying, to form a protective layer with anti-electromagnetic interference effect in order to reach the effect that prevents electromagnetic interference; Therefore, manufacture method of the present invention can be in conjunction with the housing spraying coating process of using anti-electromagnetic interference, when the electromagnetic interference material is prevented in inner surface 12 sprayings of shell structure 10, use identical anti-electromagnetic interference material to spray towards the depressed part 111 of model structure 11 in the lump, fill up depressed part 111 to form designed antenna structure until anti-electromagnetic interference material, in manufacturing process, also can reduce operation and the cost of spraying different materials, but the present invention is not as limit.
Step S303: remove the excess metal material on the surface that is positioned at model structure 11, so that the metal material in the depressed part 111 forms a 3 D antenna structure 30.
The model structure 11 that please refer to Fig. 4 (c) and be shell structure 10 of the present invention is arranged in behind the excess metal material on surface the cutaway view along Fig. 2 A-A ' line in removal.Shown in Fig. 4 (c), no matter abovementioned steps S302 adopts any embodiment, in the process of spray metal material (or anti-electromagnetic interference material) with the depressed part 111 that fills up model structure 11, can form unnecessary metal material on the surface of model structure 11; Because these excess metal materials can cover depressed part 111 and touch metal material in the depressed part 111, and influence the function of formed 3 D antenna structure 30, therefore must be positioned at the excess metal material on the surface of model structure 11 by instrument or relevant processing technology (for example CNC processes) with removal.And aforementioned excess metal material is after removing, and the metal material that is filled in depressed part 111 can form a 3 D antenna structure 30.This 3 D antenna structure 30 can form the aerial radiation arm of supporting different transmission bandwidths by size and the shape design of depressed part 111; And depressed part 111 also makes antenna structure present with three-dimensional form, has more increased the total surface area of antenna integral body.Therefore, by changing the depth size of depressed part 111, make the formed total surface area of antenna structure also with change, and then can correspondingly adjust the bandwidth of 3 D antenna structure or usefulness etc.
In another embodiment of the manufacture method of case of electronic device of the present invention, behind step S303, also comprise step S304 and S305.
Step S304: the spray metal material is in the weld part 31 of 3 D antenna structure 30, makes the thickness of weld part 31 greater than the thickness by depressed part 111 formed 3 D antenna structures 30.
Please refer to Fig. 4 (d) is shell structure 10 of the present invention cutaway view along B-B ' line among Fig. 2 after 3 D antenna structure 30 is shaped.Shown in Fig. 4 (d), formed 3 D antenna structure 30 must connect signal conductor to reach the function of receiving and transmitting signal, therefore after 3 D antenna structure 30 forms, can be connected with welding manner with the lead (not shown) at the weld part 31 of 3 D antenna structure 30.Can damage shell structure 10 for fear of too thin the causing when welding of thickness because of weld part 31, the weld part 31 that The present invention be directed to 3 D antenna structure 30 carries out reinforcement, continue the spray metal materials in weld part 31, make the thickness a of weld part 31 to form thickness b partly by depressed part 111 greater than other of contiguous 3 D antenna structure 30.Because weld part 31 forms thicker structure, comparatively firm and safety when making wire bonds.
Step S305: weld a lead 40 in weld part 31.
Please refer to Fig. 4 (e) is that 3 D antenna structure 30 welding leads of the present invention 40 backs are along the cutaway view of B-B ' line among Fig. 2.Shown in Fig. 4 (e), weld part 31 with the formed 3 D antenna structure 30 of abovementioned steps, welded with lead 40, lead 40 can be the coaxial cable with signal transmission and grounding function herein, in order to functions such as the signal transmission of 3 D antenna structure 30 and ground connection are provided.Can pass lead 40 the lead fixed portion 112 of model structure 11 this moment, with the auxiliary fixing lead 40 that is connected with 3 D antenna structure 30.
By this design, the present invention utilizes the model structure that arranges on the housing to insert metal material to form 3 D antenna structure, and the three-dimensional antenna structure can control to change the whole surface area of 3 D antenna structure along with the degree of depth of the recess of model structure, flexibility ratio and application thereof when more improving the antenna design.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the manufacture method of the case of electronic device of an integral antenna is characterized in that, this method may further comprise the steps:
One shell structure is provided, and this shell structure comprises a model structure, be an inner surface that is convexly set in this shell structure, and this model structure comprises a depressed part;
Spray a metal material on this model structure, and make this metal material fill up this depressed part; And
Removal is positioned at the excess metal material on the surface of this model structure, so that this metal material in this depressed part forms a 3 D antenna structure.
2. the manufacture method of the case of electronic device of integral antenna as claimed in claim 1 is characterized in that, and is further comprising the steps of:
Spray this metal material in a weld part of this 3 D antenna structure, make the thickness of this weld part greater than the thickness by formed this 3 D antenna structure of this depressed part; And
Weld a lead in this weld part.
3. the manufacture method of the case of electronic device of integral antenna as claimed in claim 1 is characterized in that, wherein this model structure comprises a lead fixed portion, is the position that is arranged at should weld part, in order to auxiliary this lead of fixing.
4. the manufacture method of the case of electronic device of integral antenna as claimed in claim 1 is characterized in that, wherein this depressed part has a degree of depth, by changing this depth size to adjust the formed total surface area size of this 3 D antenna structure.
5. the manufacture method of the case of electronic device of integral antenna as claimed in claim 4 is characterized in that, wherein this metal material is an anti-electromagnetic interference material.
6. the case of electronic device that the described method of application of aforementioned claim 1 is made is characterized in that, comprising:
One shell structure comprises a model structure, be an inner surface that is convexly set in this shell structure, and this model structure comprises a depressed part; And
One metal material is to fill up this depressed part to form a 3 D antenna structure.
7. case of electronic device as claimed in claim 6, it is characterized in that, this case of electronic device also comprises a lead, and this 3 D antenna structure comprises a weld part, this wire bonds is in this weld part, and wherein the thickness of this weld part is greater than the thickness by formed this 3 D antenna structure of this depressed part.
8. case of electronic device as claimed in claim 7 is characterized in that, wherein this model structure comprises a lead fixed portion, is to arrange corresponding to this weld part, in order to auxiliary this lead of fixing.
9. case of electronic device as claimed in claim 6 is characterized in that, wherein this depressed part has a degree of depth, by changing this depth size to adjust the formed total surface area size of this 3 D antenna structure.
10. case of electronic device as claimed in claim 6 is characterized in that, wherein this metal material is an anti-electromagnetic interference material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101100668 | 2012-01-06 | ||
| TW101100668A TWI466614B (en) | 2012-01-06 | 2012-01-06 | Housing of electronic apparatus integrated with antenna and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103199330A true CN103199330A (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101087501A Pending CN103199330A (en) | 2012-01-06 | 2012-04-10 | Electronic device shell integrated with antenna and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103199330A (en) |
| TW (1) | TWI466614B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070040755A1 (en) * | 2005-08-18 | 2007-02-22 | Samsung Electro-Mechanics Co., Ltd. | Built-in antenna module of wireless communication terminal |
| CN101022184A (en) * | 2006-02-13 | 2007-08-22 | 诠欣股份有限公司 | Radio communication product case with shared antenna |
| CN101640308A (en) * | 2008-07-28 | 2010-02-03 | 耀登科技股份有限公司 | Method for manufacturing antenna by spray non-contact cutting and machine shell with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8963782B2 (en) * | 2009-09-03 | 2015-02-24 | Apple Inc. | Cavity-backed antenna for tablet device |
| CN201993794U (en) * | 2011-04-12 | 2011-09-28 | 惠州市恒睿电子科技有限公司 | Radio-frequency label |
-
2012
- 2012-01-06 TW TW101100668A patent/TWI466614B/en active
- 2012-04-10 CN CN2012101087501A patent/CN103199330A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070040755A1 (en) * | 2005-08-18 | 2007-02-22 | Samsung Electro-Mechanics Co., Ltd. | Built-in antenna module of wireless communication terminal |
| CN101022184A (en) * | 2006-02-13 | 2007-08-22 | 诠欣股份有限公司 | Radio communication product case with shared antenna |
| CN101640308A (en) * | 2008-07-28 | 2010-02-03 | 耀登科技股份有限公司 | Method for manufacturing antenna by spray non-contact cutting and machine shell with same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI466614B (en) | 2014-12-21 |
| TW201330748A (en) | 2013-07-16 |
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| PB01 | Publication | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |