KR101395131B1 - Manufaturing method for case of movable terminal having antena - Google Patents
Manufaturing method for case of movable terminal having antena Download PDFInfo
- Publication number
- KR101395131B1 KR101395131B1 KR1020140013732A KR20140013732A KR101395131B1 KR 101395131 B1 KR101395131 B1 KR 101395131B1 KR 1020140013732 A KR1020140013732 A KR 1020140013732A KR 20140013732 A KR20140013732 A KR 20140013732A KR 101395131 B1 KR101395131 B1 KR 101395131B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- antenna
- case
- pattern
- thin film
- Prior art date
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3456—Antennas, e.g. radomes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/0999—Circuit printed on or in housing, e.g. housing as PCB; Circuit printed on the case of a component; PCB affixed to housing
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention relates to a case manufacturing method of a portable terminal having an antenna. The present invention comprises a base frame (61) constituting a base; And the antenna pad 1 installed on the upper surface of the base frame 61 so that the antenna pad 1 to be adhered to the sub case 10 of the portable terminal is seated on the adhesive pad 20 of the sub case 10, 1. A method of manufacturing a case of a portable terminal using a mold 50 including an elastic mold 63 for elastically adhering an elastic pad 63 to an elastic pad 63 of the mold 50, (1); Exposing the adhesive layer (21) of the antenna pad (1) by peeling the release layer (5) from the antenna pad (1); Attaching the antenna pad (1) to the adhesive seat (20) of the sub case (10) by stacking the sub case (10); And removing the protective layer (7) from the antenna pad (1). The present invention can easily attach the antenna pad (1) to the elastic mold (63) of the mold (50).
Description
The present invention relates to a method for manufacturing a case of a portable terminal having an antenna having an antenna, and more particularly, to a method for manufacturing a case of a portable terminal having an antenna, The present invention relates to a method for manufacturing a case of a portable terminal having an antenna capable of reducing a production cost by reducing material costs.
Recently, various portable terminals such as a laptop, a tablet PC, a PDA, a smart phone, and MP3 have been widely used. Such a mobile terminal is capable of outputting a broadcast by outputting a call or receiving a DMB through the development of manufacturing technology by miniaturization of the component, and also can capture an image through a built-in camera, Function.
Here, the functions such as telephone conversation, DMB reception, data transmission / reception, and Internet connection can be performed by the antenna installed in the portable terminal. Accordingly, various antennas are installed in the portable terminal, and recently, about 3 to 7 antennas are installed.
However, such a mobile terminal tends to decrease its thickness gradually according to a demand of a consumer who expects to have a more advanced high performance and miniaturization, so that a problem has arisen to embed a large number of antennas without affecting the thickness.
Accordingly, a manufacturer develops various technologies. In particular, in case of an antenna used for telephone communication, data transmission / reception, and Internet connection, the manufacturer is disposed inside the back plate covering the back surface of the portable terminal case. The antenna element for radio wave reception is plated in the groove machined by the laser and is patterned to prevent the thickness from increasing.
However, such a manufacturing method requires a laser processing and a plating process, so that a manufacturing cost such as a material cost is relatively excessively required, and in case of a failure, a case member in which a mounting surface such as a back plate is formed must be disposed.
Accordingly, in recent years, an antenna for a radio communication terminal (reference number 10-1055427) shown by
Since the
However, since the conventional film-
Particularly, in manufacturing the
Similarly, even if the
SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a metal thin film pattern such as a copper foil, And it is an object of the present invention to provide a method of manufacturing a case of a portable terminal having an antenna which can be easily bonded and can be easily processed and handled even in a manufacturing process.
In order to achieve the above object, an antenna pad of a portable terminal of the present invention includes: an antenna pattern layer bonded to a sub-case of a portable terminal and formed only in the form of an antenna pattern; A release layer adhered to the pattern surface of the antenna pattern layer to be adhered to the sub-case and preserving the adhesion of the pattern surface; And a protective layer which is adhered to the surface of the antenna pattern layer so as to face the release layer with the antenna pattern layer therebetween and protects the surface, wherein the antenna pattern layer transmits and receives radio waves, A metal thin film pattern formed in a pattern shape; And a cover layer formed on the metal thin film pattern so as to cover the metal thin film pattern and covering the metal thin film pattern to protect the metal thin film pattern when the metal thin film pattern is covered and shielded, .
Wherein the release layer opposing the protective layer has an extension extending beyond one side of the outer shape of the metal thin film pattern; And a plurality of through holes penetrating the extension.
Wherein the protective layer comprises: a hook extending beyond the one side of the outer shape of the antenna pattern layer to correspond to the extension; And a plurality of positioning holes penetrating the hook so as to correspond to the through holes.
And the protective layer has the same planar shape as the planar shape of the release layer.
A method of manufacturing an antenna pad of a portable terminal according to the present invention includes the steps of forming a metal thin film pattern formed only in the form of an antenna pattern on an insulating layer and laminating a cover layer on the metal thin film pattern to cover the insulating layer, A pattern forming step of forming a thin film layer; An adhesive force applying step of forming an adhesive layer on a pattern surface of the metal thin film layer formed in the pattern forming step to generate an adhesive force; A release layer forming step of forming a release layer by adhering the release paper to the adhesive layer formed on the pattern surface in the adhesive force application step; An inner punching step of picking up an inner scrap formed along an inner side outline of the metal thin film pattern in the release liner formed in the release layer forming step; Forming a protective layer on the metal foil layer of the releasing laminate after the internal scraping step to form a protective laminate; And an outer punching step of pulling the protective laminate formed in the protective layer forming step along the outer side (outer side outline) of the metal thin film pattern.
The inner punching step may include a step of forming the release ply or the protection ply so that the cover layer leaves a margin in the width direction of the metal thin film pattern when the release ply is punched or when the protective ply is punched out in the outer punching step, Is cut.
The inner punching step may leave a release leg connecting the free end of the release ply and the edge of the release ply adjacent to the free end occurring when the release ply is internally punched.
In the outer punching step, when releasing the protective ply, the releasing pawl is simultaneously pressed and removed.
The inner punching step divides the inner scrap in order to maintain the tension of the inner scrap before punching, and successively punches the inner scrap.
And forming a hooking step outside the metal thin film pattern, wherein the hooking step forming step includes a step of forming a metal thin film pattern on the outer side of the metal thin film pattern, A step of preparing the releasing laminate to extend to a point where the hooking end is formed; And a punching step of punching the punching ply including the punching pin at the outside punching step in the outer punching step.
And a release layer removing step of removing the released release layer from the protective laminate in the internal punching step and adhering an alternative release paper to the adhesive layer of the release paper from which the release layer has been removed to form a new release layer .
In addition, the case of the portable terminal according to the present invention is characterized in that a curved surface portion having a curved edge is formed on a curved surface and a curved surface portion having a curved surface is formed on a rim and is coupled to a main case of the portable terminal to form a sub- A case body; And an antenna pattern layer attached to the surface of the case body and formed integrally with the case body, the antenna pattern layer being formed only of an antenna pattern of a metal material capable of receiving radio waves, wherein the antenna pattern layer transmits and receives radio waves, A metal thin film pattern formed in a pattern form; And a cover layer formed on the metal thin film pattern so as to cover the metal thin film pattern and covering the metal thin film pattern to protect the metal thin film pattern when the metal thin film pattern is covered and shielded, .
According to another aspect of the present invention, there is provided a mold for manufacturing a sub-case of a portable terminal, comprising: a base frame constituting a base; And an elastic mold installed on an upper surface of the base frame to seat an antenna pad to be adhered to a sub-case of the portable terminal, wherein the elastic mold elastically presses the antenna pad in an adhesive seat of the sub- Wherein the antenna pad comprises: an antenna pattern layer bonded to the case body and formed only in the form of an antenna pattern; A release layer adhered to a pattern surface of the antenna pattern layer to be adhered to the case main body and preserving the adhesive force of the pattern surface; And a protective layer adhered to the surface of the antenna pattern layer so as to face the release layer with the antenna pattern layer interposed therebetween to protect the surface of the antenna pattern layer, ; And a cover layer formed on the metal thin film pattern so as to cover the metal thin film pattern and covering the metal thin film pattern to protect the metal thin film pattern when the metal thin film pattern is covered and shielded, .
And a fixing protrusion protruding from the base frame or the elastic mold to fix the antenna pad in a fixed position by being fitted in a positioning hole of a protective layer adhered to a surface of the antenna pad, And a vacuum passage formed in each of the bodies so as to communicate with the elastic mold and allowing the antenna pad to be attracted to the elastic mold by applying vacuum pressure to the antenna pad.
According to another aspect of the present invention, there is provided a method of manufacturing a case of a portable terminal including a base frame, And an elastic mold provided on an upper surface of the base frame to elastically adhere the antenna pad to an adhesive seat of the sub case so that an antenna pad to be adhered to the sub case of the portable terminal is seated, A method of manufacturing a case of a terminal, the method comprising: placing an antenna pad on an elastic mold of the mold; A release layer peeling step of peeling the release layer from the antenna pad seated on the elastic mold to expose the adhesive layer of the antenna pad; A pattern bonding step of laminating the sub-case on the exposed adhesive layer and pressing the sub-case in a state in which the adhesive spot of the sub-case is in close contact with the adhesive layer to attach the antenna pad to the adhesive spot; And a protective layer peeling step of peeling off the protective layer from the antenna pad attached to the adhesive spot, wherein the antenna pad is attached to a sub case of the portable terminal and is formed only in the form of an antenna pattern; A release layer adhered to the pattern surface of the antenna pattern layer to be adhered to the sub-case and preserving the adhesion of the pattern surface; And a protective layer which is adhered to the surface of the antenna pattern layer so as to face the release layer with the antenna pattern layer interposed therebetween and protects the surface, wherein the antenna pattern layer transmits and receives radio waves, A metal thin film pattern formed in a pattern shape; And a cover layer formed on the metal thin film pattern so as to cover the metal thin film pattern and covering the metal thin film pattern to protect the metal thin film pattern when the metal thin film pattern is covered and shielded, .
A vacuum adsorption step performed after the antenna seating step to apply vacuum pressure to the elastic mold to adsorb the antenna pad on the elastic mold when the antenna pad is seated in the elastic mold; And an elastic mold heating step of heating the elastic mold to which the antenna pad is adsorbed to soften the adhesive constituting the adhesive layer of the antenna pad; As shown in FIG.
According to the present invention, an antenna pattern layer made of a metal thin film pattern, which is a radio wave transmitting / receiving part of an antenna, is interposed between a release layer and a protective layer so that the antenna can be modularized so as to have a sandwich form as a whole. Handling and processing are facilitated in bonding work.
In addition to bonding the antenna pattern layer made of a metal thin film to the terminal case together with the cover layer, the cover layer covers the antenna pattern layer with a certain margin in the width direction. Therefore, The durability life can be ensured. Further, since the antenna pattern layer is covered with the margin by the cover layer as described above, and the antenna pattern layer is punched out in the pattern along the outer shape of the antenna pattern layer, the antenna pattern layer is bonded to the insulating film in the battery state without internal scrap , Since the cover layer is formed in a pattern shape and the width of the cover layer is small, the tension of the cover layer does not act on attachment so that the antenna pattern layer and the cover layer do not cry or flutter when attached, .
In addition, during the inner punching, the distal end portion of the antenna pattern layer, which is elongated and elongated by the protective layer at the time of external punching, is caught or held by the punching leg at the inner punching. The stability and ease of handling of the punch can be further improved.
In addition, according to the mold for bonding the antenna pads, since the antenna pattern is disposed in the elastic mold of the metal mold and the case body of the sub case is pressed to attach the antenna pad, the antenna pad can be securely attached by the elastic force of the elastic mold At the same time, the antenna pad can be prevented from being wrinkled at the time of attaching, and the antenna pad can be automatically attached to a curved surface of a narrow area, especially a concave curved surface.
In addition, since the elastic mold is fixed to the fixed block, only the portion where the fixed block is formed can be prevented from being excessively increased in load, and the protective layer of the antenna pad provided with the antenna pattern is caught and fixed, And can be easily fixed.
Further, since the antenna pad is closely fixed to the surface of the elastic mold by the vacuum pressure applied to the elastic mold, the antenna pattern can be securely fixed to the elastic mold, and the antenna pad can be prevented from being wrinkled .
In addition, since the case body of the sub-case is seated on the case supporting portion of the sub-frame, it is possible to stably press the sub-case and prevent the sub-case from flowing when pressurized, Since the buffer spring provides an elastic force to the laminated portion, the sub-case can be easily pressed, and the laminated frame can be easily lifted and lowered. By heating the elastic mold or the base frame with the heater, It is possible to improve the adhesiveness by softening the adhesive provided on the surface.
In addition, the sub-case to which the antenna pad is attached has an antenna at various positions because a pattern-type antenna is attached to a plane or a curved surface, in particular, a concave curved surface. Therefore, the space efficiency of the inner surface of the sub-case is improved.
1 is a perspective view showing a conventional film type antenna for a wireless terminal.
FIG. 2 is an exploded perspective view showing a film-type antenna pad according to the present invention together with a portable terminal case. FIG.
3 is a longitudinal sectional view of the antenna shown in Fig.
4 is a view showing a pattern forming step in a method of manufacturing a film-type antenna pad according to the present invention.
5 is a view showing an adhesive force applying step in a method of manufacturing a film-type antenna pad according to the present invention.
6 is a view showing a step of forming a release layer in a method of manufacturing a film-type antenna pad according to the present invention.
7 is a view showing an inner punching step of a method of manufacturing a film-type antenna pad according to the present invention.
8 is a view showing a step of forming a protective layer in a method of manufacturing a film-type antenna pad according to the present invention.
9 is a view showing an inner punching step of retaining a release paper leg in a method of manufacturing a film-type antenna pad according to the present invention.
FIG. 10 is a view showing an outer punching step of a method of manufacturing a film-type antenna pad according to the present invention without removing a release sheet.
FIG. 11 is a view showing a state in which a release sheet punched in the releasing layer step is removed in the method of manufacturing a film-type antenna pad according to the present invention. FIG.
12 is a view showing a state in which a replacement release paper is adhered to a protective liner from which a release paper is removed in Fig.
FIG. 13 is a view showing an outer punching step in which the release papermaking is performed in the method of manufacturing the film-type antenna pad according to the present invention.
FIG. 14 is a view sequentially showing an inner punching step of a method of manufacturing a film-type antenna pad according to the present invention; FIG.
15 is an exploded perspective view of a mold according to an embodiment of the present invention;
16 is a side view of the mold shown in Fig.
17 is an exploded perspective view showing a detailed configuration of the base frame and the elastic mold shown in Fig.
Fig. 18 is a front view showing the use state of the mold shown in Fig. 15; Fig.
Fig. 19 is an enlarged cross-sectional view of a portion of a case of a portable terminal manufactured by the mold shown in Fig. 15; Fig.
Hereinafter, the present invention will be described with reference to the accompanying drawings.
The film-type antenna pad applied to the manufacturing method according to the present invention has the
Here, the
First, the metal
The
The metal
5, an
The
In addition, the
The
The
At this time, the
When the
2, 10 and 13, it is preferable that the
On the other hand, the above-described film-
The above-described
The pattern forming step S10 is a step of forming a metal
The adhesive force applying step S20 is a step of generating an adhesive force on the metal
6, the releasing layer forming step S30 is performed by adhering the release paper to the
The inner punching step S40 is a step of removing the
As described above, the present invention, which divides the punching step into an internal punch and an external punch, particularly, when the
9, in the inner punching step S40, as shown in Fig. 9, in the
In addition, it is preferable that the
The protective layer forming step S50 is a step of adhering the
Finally, the external punching step S60 is a step of finally picking up the
The hooking step S70 is a step for forming the hooking
As described above, the step of preparing the hooking step (S71) is a step of preparing the hooking step (27) in the protective joint (8). The inner stepping step (S40) 14 (a), when starting the internal punching, the
In step S80, the releasing
Here, the above-described releasing layer grating step S80 may be performed in such a manner that the alternative release sheet in the battery state described above is not formed to have a size corresponding to one
The alternative release sheet of the releasing layer step S80 may be punched along the outline of the
A
20, the
15 to 19, the fixed
The
The
15 to 17, the fixing
The
The
15 and 18, the
The
Here, the guide posts 88 are formed in a plurality of four corners on the upper surface of the
15 to 17, the
In order to manufacture the sub-case 10 according to the present invention by adhering the film-
In this case, the step of mounting the antenna (S110) is a step of placing the
The release layer peeling step S120 is a step of peeling off the
The pattern bonding step S130 is a step of bonding the
The protective layer peeling step S140 is a step of finally peeling off the
The vacuum adsorption step S150 is a step of strongly pressing the
The step of heating the elastic mold S160 is a step of increasing the adhesive strength of the
On the other hand, the above-described
1: antenna pad 3: antenna pattern layer
4: metal thin film layer 5: release layer
6: release layer 7: protective layer
8: protective liner 10: sub case
11: metal thin film pattern 13: cover layer
15: Terminal 21: Adhesive layer
23: Extension end 25: Through hole
27: Hook only 29: Position setting ball
31: free end 33: internal scrap
34, 54: scrap ball 35: release paper leg
37: Hatchlings 51: Sheath
73: External scrap M: Margin
50: mold 56: external scrap
61: base frame 63: elastic mold
65: auxiliary frame 71: fixed block
Claims (12)
Placing an antenna pad (1) on an elastic mold (63) of the mold (50);
A release layer peeling step of peeling the release layer 5 from the antenna pad 1 mounted on the elastic mold 63 to expose the adhesive layer 21 of the antenna pad 1;
The sub case 10 is stacked on the exposed adhesive layer 21 to press the sub case 10 in a state in which the adhesive seat 20 of the sub case 10 is in close contact with the adhesive layer 21 Attaching the antenna pad (1) to the adhesive spot (20); And
And peeling off the protective layer (7) from the antenna pad (1) attached to the adhesive spot (20)
The antenna pad (1)
An antenna pattern layer 3 attached to the sub-case 10 of the portable terminal and formed only in the form of an antenna pattern;
A release layer 5 adhered to the pattern surface 17 of the antenna pattern layer 3 to be adhered to the sub case 10 to preserve the adhesion of the pattern surface 17; And
A protective layer 7 adhered to the surface 19 of the antenna pattern layer 3 so as to face the release layer 5 with the antenna pattern layer 3 interposed therebetween and to protect the surface 19; / RTI >
The antenna pattern layer (3)
A metal thin film pattern 11 that transmits and receives radio waves and is formed in the form of an antenna pattern; And
The metal thin film pattern 11 is formed to have a width greater than the width of the metal thin film pattern 11 and is formed along the metal thin film pattern 11 so as to cover the metal thin film pattern 11, And a cover layer (13) for protecting the metal thin film pattern (11).
The elastic pad 63 is provided after the step of mounting the antenna and when the antenna pad 1 is mounted on the elastic mold 63, And a vacuum adsorption step of adsorbing the adsorbent on the surface of the case.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20130033984 | 2013-03-28 | ||
KR1020130033984 | 2013-03-28 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR20140034911A Division KR101501986B1 (en) | 2014-03-25 | 2014-03-25 | molde for manufaturing case of movable terminal having antena |
Publications (1)
Publication Number | Publication Date |
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KR101395131B1 true KR101395131B1 (en) | 2014-05-15 |
Family
ID=50894129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020140013732A KR101395131B1 (en) | 2013-03-28 | 2014-02-06 | Manufaturing method for case of movable terminal having antena |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100019690A (en) * | 2008-08-11 | 2010-02-19 | (주)에이스안테나 | Process for manufacturing built-in antenna using film-type radiator insert molding and built-in antenna manufactured thereby |
KR20110102969A (en) * | 2010-03-12 | 2011-09-20 | 주식회사 모비텍 | Flexible built-in antenna |
-
2014
- 2014-02-06 KR KR1020140013732A patent/KR101395131B1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100019690A (en) * | 2008-08-11 | 2010-02-19 | (주)에이스안테나 | Process for manufacturing built-in antenna using film-type radiator insert molding and built-in antenna manufactured thereby |
KR20110102969A (en) * | 2010-03-12 | 2011-09-20 | 주식회사 모비텍 | Flexible built-in antenna |
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