CN101145631A - Method of manufacturing case structure having antenna - Google Patents
Method of manufacturing case structure having antenna Download PDFInfo
- Publication number
- CN101145631A CN101145631A CNA2007101521330A CN200710152133A CN101145631A CN 101145631 A CN101145631 A CN 101145631A CN A2007101521330 A CNA2007101521330 A CN A2007101521330A CN 200710152133 A CN200710152133 A CN 200710152133A CN 101145631 A CN101145631 A CN 101145631A
- Authority
- CN
- China
- Prior art keywords
- carrier film
- antenna radiator
- antenna
- metal forming
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
Abstract
A method of manufacturing a case structure having an antenna, the method including: providing a carrier film; forming an antenna radiator formed of a metal foil on at least one surface of the carrier film; inserting the carrier film having the antenna radiator formed thereon into a mold formed in a desired shape of a case structure; and injecting a molding material into the mold.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
The application requires the 2006-89425 korean patent application submitted to Korea S Department of Intellectual Property on September 15th, 2006 and the priority of the 2007-45576 korean patent application submitted on May 10th, 2007, and its disclosure is hereby expressly incorporated by reference.
Technical field
The present invention relates to a kind of antenna, more specifically, relate to the method that a kind of manufacturing waits to be incorporated into the built-in aerial in the housing.
Background technology
Recently, be widely used such as the mobile telecommunication terminal of global positioning system (GPS), PDA(Personal Digital Assistant), portable phone, wireless laptop computers, and more and more need to reduce weight and size.In order to satisfy this demand, people express concern to the manufacturing of the mobile telecommunication terminal of multi-functional and small size.It should be noted that this trend is general especially aspect antenna (one of mainly essential parts in the mobile telecommunication terminal).
Usually, the external antenna in the mobile telecommunication terminal (such as rod shape antenna and helical aerials) is from the outwards outstanding certain-length of terminal, thereby Miniaturizable and inconvenience are carried hardly.And when dropping, external antenna easily is damaged.
On the contrary, different with external antenna, the built-in aerial (such as surface-mounted antenna component) that is installed on mobile telecommunication terminal inner may less being damaged, still, because the physical size of built-in aerial, so still be difficult to reduced in size.
Recently, antenna radiator directly is formed in one of terminal shell and antenna substrate, so that the space utilization maximization.
Figure 1A shows the perspective view of the conventional built-in antenna of mobile telecommunication terminal, and Figure 1B shows the schematic sectional view that is installed on the built-in aerial on the mobile telecommunication terminal.
With reference to Figure 1A, the plastic substrate 11 that is used for built-in aerial forms by injecting method, and metal plate shape, it goes up the figuratum radiator 13 of formation and forms by pressing process.Then, matrix 11 and radiator 13 are combined into one by welding.
But basically, the matrix 11 and the radiator 13 that are installed on terminal inner need certain space, thereby have hindered the miniaturization of terminal.
In addition, in order to ensure the impressionability and the adhesiveness of electrically conductive ink, not only with electric conducting material but also organic material is made an addition to electrically conductive ink.Here, when at high temperature handling electrically conductive ink, organic material can be removed, but when handling electrically conductive ink at low temperatures, organic material keeps not being removed.Since use the matrix of polymer as antenna, so electrically conductive ink can not be handled when high temperature, thereby, or even after forming antenna radiator, still leave the organic material of from electrically conductive ink, not removed.This has reduced conductivity (as antenna radiator, conductivity is most important characteristic), thus deterioration the radiation characteristic of antenna.
In addition, printing conductive inks makes complex process on the antenna substrate of three-dimensional.
Summary of the invention
One aspect of the present invention provides a kind of radiator of built-in aerial, and the size of described built-in aerial is reduced, and the conductivity height.
According to an aspect of the present invention, the method that provides a kind of manufacturing to have the shell structure of antenna, this method comprises: carrier film is provided; On at least one surface of carrier film, form the antenna radiator that constitutes by metal forming; The carrier film that is formed with antenna radiator on it is inserted in the model, and this model forms the required form of shell structure; And moulding material is injected in the model.
Between the step that forms antenna radiator and the step that carrier film is inserted in the model, this method may further include: the formation protective layer is with the cover antenna radiator on carrier film.
Be inserted in the step that forms antenna radiator and with carrier film between the step in the model, this method may further include: the shape that is embedded in model wherein according to antenna radiator forms carrier film with 3D shape, and this carrier film has antenna radiator formed thereon.
The step that forms antenna radiator can comprise: the required form that metal forming is cut into antenna radiator; And the antenna radiator that is cut is attached at least one surface of carrier film.
The step that forms antenna radiator can comprise: metal forming is attached at least one surface of carrier film; And the required form that accompanying metal forming is cut into antenna radiator.
The step that forms antenna radiator can comprise: form the etchant resist with antenna pattern on a surface of metal forming; The expose portion of etching metal paper tinsel; And removal etchant resist.
According to a further aspect in the invention, the method that provides a kind of manufacturing to have the shell structure of antenna, this method comprises: a plurality of carrier film are provided; On a surface of each carrier film, form the antenna radiator that constitutes by metal forming; Deposit a plurality of carrier film that are formed with antenna radiator on it; The carrier film that is deposited is inserted in the model of the hull shape that is mobile telecommunication terminal; And moulding material flow in the model, and form the housing that the carrier film one for the treatment of with being deposited of mobile telecommunication terminal combines.
A plurality of carrier film can be formed by the material that differs from one another.
The antenna radiator that is formed at respectively on a plurality of carrier film can be formed by the metal that differs from one another.
The antenna radiator that is formed at respectively on the carrier film can have configurations differing from one.
In the step of deposition carrier film and the carrier film that is deposited is inserted between the step in the housing of mobile telecommunication terminal, this method may further include: with the top of the carrier film that ceramic coated deposited.
Description of drawings
By detailed description, can be expressly understood above-mentioned and others, feature and other advantage of the present invention more below in conjunction with accompanying drawing.
Figure 1A shows the perspective view of conventional built-in antenna, and Figure 1B shows the schematic sectional view of the terminal with the built-in aerial that is mounted thereon;
Fig. 2 A to Fig. 2 E shows the flow chart of the method for making the shell structure that is attached with antenna on it according to an exemplary embodiment of the present;
Fig. 3 A to Fig. 3 D shows the program diagram that is used to form the technology of the carrier film that is attached with antenna radiator on it according to the embodiment of the invention;
Fig. 4 A to Fig. 4 D shows the program diagram that is used to form the technology of the carrier film with antenna radiator attached to it according to another embodiment of the present invention;
Fig. 5 A to Fig. 5 D shows the program diagram that is used to make the technology that deposits antenna according to an exemplary embodiment of the present; And
Fig. 6 A to Fig. 6 D shows the program diagram of the technology that is used to form antenna radiator according to an exemplary embodiment of the present.
Embodiment
Below, describe exemplary embodiment of the present invention with reference to the accompanying drawings in detail.
Fig. 2 A to Fig. 2 D shows the cross-sectional view of the method for making shell structure according to an exemplary embodiment of the present, and this shell structure has the antenna that is used for mobile telecommunication terminal attached to it.
With reference to Fig. 2 A, provide carrier film 21.
Carrier film can be formed by the thin insulating polymeric material.
With reference to Fig. 2 B, the antenna radiator 23 that is made of metal forming is formed on the carrier film 21.
The example that is used for the material of metal forming comprises goldleaf, silver foil, Copper Foil, aluminium foil etc.
When this metal forming is used as antenna radiator, because its high-purity, so guaranteed quite high antenna efficiency.
Usually, forming by silk screen printing in the process of antenna radiator, a large amount of organic materials are comprised in the pastel, to improve the impressionability and the adhesiveness of carrier film.In addition, molded in should under the lower temperature that plastics do not deform, carrying out, thereby need comprise the room temperature type pastel of organic material.As a result, this has reduced the conductivity of electrode and has reduced antenna efficiency.According to present embodiment, these defectives all can be by being overcome metal forming as antenna radiator.
Though not shown in the accompanying drawings, antenna radiator 23 comprises current feed terminal, and may further include the splicing ear such as earth terminal, to be connected in external circuit.
Fig. 2 C shows and is arranged in the carrier film 21 that is formed with antenna radiator 23 in the model 24 its.Model 24 comprises: the 24a of first, and the bottom that supplies a model contacts with carrier film 21; Second portion 24b is injected with moulding material, and the top that supplies a model; And third part 24c, be connected in the holder of moulding material by nozzle.Carrier film 21 is inserted between 24a of first and the second portion 24b.During molded, the antenna radiator 23 that is formed on the carrier film is arranged to directly contact with moulding material.
Fig. 2 D show the model that is bonded together first to third part 24a to 24c.Here, under certain pressure, moulding material is flow in the model 24 by nozzle.Pressure is deformed into carrier film 21 shape of the 24a of model first.Then, the moulding material that is injected in the model is filled between the second portion 24b and the 24a of first of model.
Fig. 2 E shows the film antenna of mobile telecommunication terminal after with model 24 compressions, cooling and curing, and this film antenna has the carrier film 21 and the housing 29 of integrative-structure, and wherein carrier film 21 places are formed with antenna radiator 23.
In the present embodiment, carrier film 21 is arranged on the outer perimeter of housing 29 of mobile telecommunication terminal, and antenna radiator 23 is arranged between the carrier film 21 and housing 29 of mobile telecommunication terminal.
But, antenna radiator 23 can be arranged on the outer surface of carrier film 21.In this case, can form protective layer with cover antenna radiator 23.
Fig. 3 A to Fig. 3 D shows the program diagram that is used to form the technology of the carrier film that is attached with antenna radiator on it according to the embodiment of the invention.
Fig. 3 A shows the process that metal forming 33a is provided.
Fig. 3 B shows metal forming 33a is cut into required form to obtain the process of metal forming antenna radiator 33.This metal forming antenna radiator is cut by automatic gas cutting machine, therefore helps automation and large-scale production and has reduced manufacturing cost.
Fig. 3 C shows the sectional view that the antenna radiator 33 after the cutting is attached to the technology on the carrier film 31.
Common metal forming has jointing material on the one surface so that easily be attached on other object.Therefore in this process, metal forming 33 is utilized adhesive component and is bonded in carrier film 31 basically.In order to ensure stronger bonding, can between metal forming 33 and carrier film 31, form transition zone.
Fig. 3 D shows and forms protective layer 35 to cover the process of radiator 33 on carrier film 31.
The protective layer 35 of present embodiment is used for protecting the antenna radiator 33 that is exposed to outside atmosphere.Protective layer 35 is formed by electrical insulating material, thereby can not influence very much the radiation characteristic of antenna radiator 33.Can adopt the known insulating material that is used for passivation herein.
And, selectively, can be on protective layer 35 at least a in printed pattern and the letter extraly, to give mobile telecommunication terminal with appearance attractive in appearance.And, the necessary letter such as logo can be made an addition on the protective layer 35.
During described process, protective layer is protected antenna radiator 33 or is avoided metal forming to take place to float.For realizing this point, form protective layer by hot pressing, therefore can help metal forming firmly is attached on the carrier film.
In addition, protective layer 35 can be exposed to the outside by the internal circuit pattern that non-transparent material forms to avoid antenna.This has guaranteed the protection to the know-how that is used to research and develop antenna.
Fig. 4 A to Fig. 4 D shows the program diagram that according to the present invention another exemplary embodiment is used to form the technology of the carrier film that is attached with antenna radiator on it.
Fig. 4 A shows the process that carrier film 41 is provided.
Fig. 4 B shows the process of adhesion metal paper tinsel 43a on carrier film 41.
Fig. 4 C shows and cuts into the process of the required form of antenna radiator 43 with being attached to metal forming 43a on the carrier film 41.
Under cutting metal paper tinsel at first was attached to it situation on carrier film 41 then, metal forming 43a may not overlap with carrier film 41.According to present embodiment, large-sized (large-scale) metal forming 43a is attached on the surface of carrier film 41, and passes through only cutting metal paper tinsel 43a of automatic gas cutting machine.Suitably regulate the height of cutting blade does not cut the below so that only cut the metal forming 43a of top carrier film 41 herein.Present embodiment especially helps large-scale production and automation, has therefore reduced manufacturing cost and unit cost.
Fig. 4 D shows and form the process of protective layer 45 with cover antenna radiator 43 on carrier film 41.
Fig. 5 A to Fig. 5 D shows the method that is used to make the deposition antenna according to an exemplary embodiment of the present.
At first, provide a plurality of carrier film, shown in Fig. 5 A.Then, antenna radiator 53a, the 53b and the 53c that are made of mutually different metal forming are formed at respectively on carrier film 51a, 51b and the 51c, shown in Fig. 5 B.
Shown in Fig. 5 C, deposit the carrier film that is formed with antenna radiator on it respectively, and, form protective layer 55 is exposed to the place, carrier film top that is deposited with covering antenna radiator 53a then its pressurization.
Can be by above-mentioned interior molded and deposition antenna that will so make is incorporated in the housing of mobile telecommunication terminal.
Usually, the built-in aerial that is used for mobile telecommunication terminal according to present embodiment is much thinner than traditional antenna structure.Therefore, the sandwich construction that comprises additional carrier film and antenna pattern according to present embodiment satisfies the adequate condition that is used for miniaturization.
In addition, can additionally comprise two carrier film 51b and 51c according to the built-in aerial 50 of present embodiment, on built-in aerial, to be additionally formed two antenna pattern 53b and 53c.Generally speaking, built-in aerial 50 can comprise three antenna patterns.Therefore, can carry out different designs with 53c to each antenna pattern 53a, 53b, to guarantee to cover the multiband antenna of at least three resonant frequency bandwidth.
Replacedly, two adjacent patterns in described three antenna patterns can be designed to symmetrical structure, to realize comprising the antenna structure of balancing antenna.
Fig. 6 A to Fig. 6 D shows the program diagram of the process that forms antenna radiator according to an exemplary embodiment of the present invention.
Fig. 6 A shows the process that metal forming 63a is provided.
Metal forming can adopt golden film, silverskin, copper film and aluminium film.In this process, from the surface of metal forming, remove foreign matter.
Fig. 6 B shows the process that forms etchant resist 66 on the surface of metal forming 63a with the shape of antenna radiator.
Etchant resist 66 can be the photoresist film that is formed by photosensitive material.
For the shape with antenna pattern forms photoresist film, at first on a surface of metal forming, form photoresist film, and on photoresist film, form photomask.In photomask, with the corresponding part of the required form of antenna pattern can be transparent, simultaneously other parts can be nontransparent.
When with infrared radiation on the photoresist film that is coated with photomask the time, photoresist be cured, and remaining area is not cured with the corresponding zone of transparent part photomask.This process is called as photoetching.Under the situation that photoetching is finished, remove photomask.
When photoetching was finished, the metal forming that is formed with photoresist film on it was placed in the developer, so that remove the uncured zone of the photoresist film except the consolidation zone of photoresist film.This process is called as development.
When development was finished, developing made the photoresist film 66 that is patterned into antenna pattern be formed on the metal forming 63a.
Fig. 6 C shows the process of the expose portion of etching metal paper tinsel.In this etching process, can adopt etchant to come the dissolution of metals paper tinsel.When etching was finished, etching made etchant resist 66 and antenna radiator 63 with required antenna pattern be deposited.
Fig. 6 D shows by removing the antenna radiator 63 that etchant resist obtains.
Can utilize remover to remove etchant resist.
According to present embodiment, can form antenna radiator by photoetching process, therefore guaranteed that more accurate patterns forms with being stabilized.
As mentioned above, according to exemplary embodiment of the present invention, the built-in aerial that is used for mobile telecommunication terminal can be made have high conductivity, high efficiency and less size.
Though illustrated and described the present invention in conjunction with exemplary embodiment, to those skilled in the art, under the prerequisite that does not break away from the spirit and scope of the invention that is defined by the following claims, can make and revising and change.
Claims (11)
1. a manufacturing has the method for the shell structure of antenna, and described method comprises:
Carrier film is provided;
On at least one surface of described carrier film, form the antenna radiator that constitutes by metal forming;
The described carrier film that is formed with described antenna radiator on it is inserted in the model, and described model forms the required form of shell structure; And
Moulding material is injected in the described model.
2. method according to claim 1 between the step and the described step that described carrier film is inserted in the model of described formation antenna radiator, further comprises: form protective layer to cover described antenna radiator on described carrier film.
3. method according to claim 1, between the step and the described step that carrier film is inserted in the model of described formation antenna radiator, further comprise: the shape that is embedded in described model wherein according to described antenna radiator forms described carrier film with 3D shape, and described carrier film has antenna radiator formed thereon.
4. method according to claim 1, wherein, the step of described formation antenna radiator comprises:
Described metal forming is cut into the required form of described antenna radiator; And
Antenna radiator after the described cutting is attached at least one surface of described carrier film.
5. method according to claim 1, wherein, the step of described formation antenna radiator comprises:
Described metal forming is attached at least one surface of described carrier film; And
Described metal forming of adhering to is cut into the required form of described antenna radiator.
6. method according to claim 1, wherein, the step of described formation antenna radiator comprises:
On a surface of described metal forming, form etchant resist with antenna pattern;
The expose portion of the described metal forming of etching; And
Remove described etchant resist.
7. a manufacturing has the method for the shell structure of antenna, and described method comprises:
A plurality of carrier film are provided;
On a surface of each described carrier film, form the antenna radiator that constitutes by metal forming;
Deposit the described a plurality of carrier film that are formed with described antenna radiator on it;
The carrier film of described deposition is inserted in the model of the hull shape that is mobile telecommunication terminal; And
Moulding material is flow in the described model, and form the described housing that combines with the carrier film one of described deposition treated of described mobile telecommunication terminal.
8. method according to claim 7, wherein, described a plurality of carrier film are formed by the material that differs from one another.
9. method according to claim 7, wherein, the described antenna radiator that is formed at respectively on described a plurality of carrier film is formed by the metal that differs from one another.
10. method according to claim 7, wherein, the described antenna radiator that is formed at respectively on the described carrier film has configurations differing from one.
11. method according to claim 7 between the step of described deposition carrier film and described carrier film with deposition are inserted in step in the housing of mobile telecommunication terminal, further comprises: with the top of the carrier film of the described deposition of ceramic coated.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060089425 | 2006-09-15 | ||
| KR1020060089425 | 2006-09-15 | ||
| KR1020070045576 | 2007-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101145631A true CN101145631A (en) | 2008-03-19 |
Family
ID=39208002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101521330A Pending CN101145631A (en) | 2006-09-15 | 2007-09-14 | Method of manufacturing case structure having antenna |
Country Status (2)
| Country | Link |
|---|---|
| KR (2) | KR20080025285A (en) |
| CN (1) | CN101145631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820094B (en) * | 2009-02-27 | 2013-10-30 | 三星电机株式会社 | Antenna embedded mobile communication terminal case and method of manufacturing same, mobile communication terminal |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100915353B1 (en) * | 2008-12-11 | 2009-09-03 | 마상영 | Manufacturing method of an antenna module |
| KR100930207B1 (en) | 2009-03-16 | 2009-12-07 | 삼성전기주식회사 | Method of manufacturing mobile communication terminal, mobile communication terminal case and mobile communication terminal using the same |
| KR101050078B1 (en) * | 2009-03-16 | 2011-07-19 | 주식회사 모비텍 | Case-integrated film antenna manufacturing method |
| KR20100113259A (en) * | 2009-04-13 | 2010-10-21 | 아로 주식회사 | Manufactor method for inmold antenna using insert catapulting |
| KR101032769B1 (en) * | 2010-02-11 | 2011-05-06 | 주식회사 에이티앤씨 | A manufacturing method of mobile phone case having internal aatenna |
| KR101101468B1 (en) * | 2010-03-15 | 2012-01-03 | 삼성전기주식회사 | Case of electronic device and mould for manufacturing the same, and mobile communication terminal |
| KR101133325B1 (en) * | 2010-05-31 | 2012-04-05 | 삼성전기주식회사 | Antenna radiator, method for manufacturing case of electronic device having a plurality of antenna pattern radiator embeded therein |
| KR101413224B1 (en) * | 2012-12-18 | 2014-06-30 | 주식회사 마이크로알에프 | In-mold antenna using printed protection layer and manufacturing method therefor |
| KR101421487B1 (en) * | 2012-12-18 | 2014-07-23 | 주식회사 마이크로알에프 | In-mold antenna using film and manufacturing method therefor |
-
2007
- 2007-05-10 KR KR1020070045576A patent/KR20080025285A/en active Search and Examination
- 2007-09-14 CN CNA2007101521330A patent/CN101145631A/en active Pending
-
2008
- 2008-12-24 KR KR1020080133514A patent/KR20090006817A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820094B (en) * | 2009-02-27 | 2013-10-30 | 三星电机株式会社 | Antenna embedded mobile communication terminal case and method of manufacturing same, mobile communication terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090006817A (en) | 2009-01-15 |
| KR20080025285A (en) | 2008-03-20 |
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Open date: 20080319 |