KR101395131B1 - Manufaturing method for case of movable terminal having antena - Google Patents

Manufaturing method for case of movable terminal having antena Download PDF

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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
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KR
South Korea
Prior art keywords
layer
antenna
case
pattern
thin film
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Application number
KR1020140013732A
Other languages
Korean (ko)
Inventor
이임범
Original Assignee
홍형복
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Publication of KR101395131B1 publication Critical patent/KR101395131B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—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

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of 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 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 reference numeral 101 in Fig. 1 has been developed.

Since the antenna 101 is composed of the antenna main body 103, the thin film conductor 105 and the insulating film 107 as shown in the figure, the thin conductor 105 is used as a conductor for transmitting and receiving radio waves, The space can be reduced, the material cost required for manufacturing can be reduced, and various effects such as protecting the thin film conductor 105 through the insulating film 107 can be expected.

However, since the conventional film-type antenna pad 101 requires the antenna main body 103 for coupling with the terminal case, there is a problem that the installation space occupied in the case is large and the manufacturing cost increases.

Particularly, in manufacturing the antenna 101, the thin film conductor 105 is bonded to the antenna main body 103 with a separate jig or by hand. However, due to the property of the thin film conductor 105 having no rigidity or elasticity, There is a problem that the thin film coated body 105 to which the adhesive is applied can not be accurately and uniformly bonded to the antenna main body 103.

Similarly, even if the thin film conductor 105 is adhered to the antenna main body 103, the insulating film 107 coated with the adhesive can be accurately and uniformly adhered to the thin film conductor 105 adhered to the antenna main body 103 There is a problem that it is difficult to precisely and uniformly adhere to the insulating film 107 coated with the adhesive before the thin film conductor 105 is adhered to the antenna main body 103.

KR 10-1055427

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 antenna pattern layer 3, the release layer 5, and the protection layer 7 as shown in Fig. 2 and Fig. (Mainly a back plate) of a portable terminal such as a mobile phone. The adhesive layer 5 is removed before adhesion, and the protective layer 7 is removed after bonding. At this time, the case described above may be, for example, at least one of a back plate constituting the rear face of the cellular phone, a normal main case constituting the front face of the cellular phone, and a plate member or a block member interposed between the above- And is composed of a case body used as a normal sub-case 10. That is, the case is composed of a case body made of a plate material or a block-like member and is used as a sub-case 10 such as a back plate or a normal inner case interposed between the main case and the back plate. As shown in FIGS. 2 and 16, the sub-case 10 has a curved surface portion (inner curved surface of the inner side surface) formed by bending a curved surface to have a curvature, And is formed of a plate or block made of a nonmetallic material having an antenna pad 1, which will be described later and is formed of only a metal antenna pattern capable of receiving radio waves. In the description, the above-described sub-case 10 is described as an example of the above-described rear plate.

Here, the antenna pattern layer 3 includes a metal thin film pattern 11 and a cover layer 13 as shown in FIGS. 2, 3, 10 and 13.

First, the metal thin film pattern 11 is a metal pattern portion such as a copper foil, through which the antenna pad 1 transmits and receives a radio wave. As shown in Figs. 2, 10 and 13, In order to maximize the extension length, the shape of the corner and the width of the left and right sides are bent, and the inside of the figure is densely filled with several times so as to bend into the shape while drawing the shape of the polygonal shape. 4, although the metal thin film pattern 11 has a polygonal shape as an external shape, the metal thin film pattern 11 may be formed to have a length corresponding to the wavelength of a radio wave transmitted and received as an antenna of a portable terminal, It extends as you draw an open curve. That is, the metal thin film pattern 11 is formed in the pattern of the antenna.

The cover layer 13 is bonded to the inner side surface of the case 10 together with the metal thin film pattern 11 to protect the metal thin film pattern 11, (Width slightly wider) than the metal thin film pattern 11 so as to cover and cover the metal thin film pattern 11 as shown in FIG. 1B, but is shaped like the metal thin film pattern 11 . The metal thin film pattern 11 and the cover layer 13 constitute the metal thin film layer 4 as shown in Fig.

The metal thin film layer 4 may be formed by copper plating, front face, lamination, exposure, development, etching, and peeling in the same manner as the metal thin film pattern layer produced when a general flexible circuit board (FPCB) The metal thin film pattern 11 is formed on the insulating layer 12 made of polyamide or the like and the cover layer 13 is laminated on the metal thin film pattern 11 and then the insulating layer 12 is removed, And the manufacturing method thereof will be described in detail below.

5, an adhesive layer 21 is formed on the pattern surface 17 constituting one side surface of the metal thin film pattern 11, and the metal thin film layer 4 can be adhered to the case 10 To the pattern surface (17). To this end, the adhesive layer 21 is formed by attaching a double-faced tape to the pattern surface 17 of the metal thin film layer 4 in a battery state or applying an adhesive agent, for example, The patterned surface 17 is uniformly formed in various ways.

The release layer 5 is a layer for preserving the adhesive force formed on the pattern surface 17 of the metal thin film layer 4 as described above and has a pattern surface 17 (see FIG. 2, FIG. 3, (Not shown). At this time, the releasing layer 5 is provided with a release agent on the surface in contact with the adhesive layer 21 like the commonly used releasing paper, and is easily detached from the adhesive layer 21 without damaging the adhesive layer 21. Such a release layer 5 may be subjected to a folding reduction 51 in the middle portion as shown in Fig. 2 so as to be easily peeled off from the adhesive layer 21.

In addition, the release layer 5 can be formed by dividing the antenna pattern layer 3, which is folded and arranged several times in the shape of a polygonal shape, so as not to be disturbed. The basic structure is the same as the outer shape (outline) of the antenna pattern layer 3 As shown in Figs. 2, 10 and 13, as a preferred embodiment, it further includes an elongated end 23 and a through hole 25, as shown in Fig.

The extension 23 is an extended portion for hanging the antenna pad 1 so as not to disturb the position of the antenna pad 1 when the antenna pad 1 is attached to the case 10 using a metal mold or the like, 10, 13, and the like, the antenna pattern layer 3 extends to the outside of the antenna pattern layer 3 at one side of the polygonal-shaped antenna pattern layer 3, which is generally rectangular in shape, preferably at one side long side. The through hole 25 is a means for engaging the upper extending end 23 with the fixing protrusion 76 of the mold 50 or the like to be described later and as shown in Figures 2, (Magnetic field) of the step 23, as shown in Fig. Although the through hole 25 is not shown, the through hole 25 may be formed through the inside (inside) of the polygonal shape of the antenna pattern layer 3 when the extending end 23 does not exist separately.

The protective layer 7 is a means for protecting the surface of the antenna pattern layer 3 on the opposite side of the release layer 5 and as shown in Figures 2 and 8, Is adhered to the opposite side of the release layer 5, that is, to the surface 19 of the antenna pattern layer 3 to protect the surface 19 of the antenna pattern layer 3, that is, the cover layer 13, Even if the internal scrap of the release layer 5 is punched out all as shown in Fig. 7, the particularly elongated free end 31 portion of the release liner 6, as shown enlarged in Fig. 8, It also serves as a catcher so that it does not get distracted.

At this time, the protective layer 7 can be cut in the same shape as the outer shape of the antenna pattern layer 3 as a basic form like the release layer 5, and can be cut with the hook end 27, It is preferable to further include a hole 29.

When the antenna pad 1 is attached to the case 10 using a metal mold or the like as in the case of the extended end 23 of the release layer 5, 2, the metal thin film pattern 11 is preferably formed at one side of the metal thin film pattern 11 arranged in the shape of a polygonal shape having a generally rectangular shape, 11). The positioning hole 29 is a means for engaging the upper hooking end 27 with the fixing protrusion of the metal mold or the like so as to be aligned with the through hole 25 of the release layer 5, And a plurality of through holes are formed along the ends (edges) of the step (27). At this time, the positioning hole 29 may be formed through the inner scrap portion inside the polygonal shape in the case of the basic type in which the hooking step 27 does not exist. In addition, the hooking end 27 may serve as a hooking means alone in the case where the extension end 23 does not exist in the release layer 5.

2, 10 and 13, it is preferable that the protective layer 7 is formed to have the same outer shape as the release layer 5, that is, to have the same planar shape, The distal end may be made shorter or longer than the extension 23 so that the release layer 5 is more easily peeled off when the antenna pad 1 is attached to the case 10. [

On the other hand, the above-described film-type antenna pad 1 is manufactured as follows.

The above-described antenna pad 1 has the following pattern forming step S10, the adhesive force applying step S20, the release layer forming step S30, the internal punching step S40, the protective layer forming step S50, Is manufactured by the external punching step (S60), and may also be manufactured by further comprising a step for forming a step (S70) and a step for releasing a release layer (S80).

The pattern forming step S10 is a step of forming a metal thin film pattern 11 with a metal thin film having a predetermined pattern and covering the cover layer 13 with the metal thin film pattern 11 to form a metal thin film layer 4, The metal thin film layer 4 is formed by forming the metal thin film pattern 11 on the insulating layer 12 in the same manner as in the case of manufacturing the flexible printed circuit board and forming the cover layer 13 thereon And then the insulating layer 12 is removed, and the details thereof are well-known, and thus description thereof will be omitted herein. 4, the metal thin film pattern 11 is arranged so as to have a polygonal shape close to a rectangle so as to coincide with the outer shape of the case 10, And is formed in such a manner that it is wound inward of the polygonal shape and densely fills the interior of the polygonal shape. At this time, a part of the cover layer 13 is removed so that the metal thin film layer 11 is exposed to the surface 19, the surface is plated again on the removed part, Terminal 15 is formed.

The adhesive force applying step S20 is a step of generating an adhesive force on the metal thin film layer 4 formed in the upper pattern forming step S10 so as to form the pattern surface 17 of the metal thin film layer 4 , An adhesive is applied to the exposed surface of the metal thin film pattern 11 adhered to the case 10 or an adhesive layer 21 is formed by attaching a double-faced tape to the exposed surface. At this time, the adhesive layer 21 may be formed only on the metal thin film pattern 11 and around the metal thin film pattern 11 so as to reduce the usage amount.

6, the releasing layer forming step S30 is performed by adhering the release paper to the adhesive layer 21 of the metal thin film layer 4 composed of the metal thin film pattern 11 and the cover layer 13, 5, a release paper or the like is adhered to the adhesive layer 21 formed on the pattern surface 17 in the upper adhesive force application step S20 as shown in FIG. 6, (5). The release layer 5 is preferably cut in the same shape as the metal thin film layer 4 but may be cut to a minimum size that can include the metal thin film pattern 11 as shown in FIG. It is possible to protect the partially formed adhesive layer 21 by cutting.

The inner punching step S40 is a step of removing the inner scrap 33 of the metal thin film layer 4 and the release layer 5 adhered to the metal thin film layer 4, The portion surrounded by the outermost metal thin film pattern 11 along the outline of the polygonal shape in the release liner 6 made by the adhesion of the metal thin film layer 4 and the release layer 5 in the inside scraps 33 are formed by punching or the like to form scrap holes 34, 54.

As described above, the present invention, which divides the punching step into an internal punch and an external punch, particularly, when the release punch 6 is punched in the internal punching step S40, The cover layer 13 completely covers and protects the metal thin film pattern 11 when the antenna pattern layer 3 is adhered to the terminal case 10 after leaving the margin M in the cover layer 13 in the width direction. .

9, in the inner punching step S40, as shown in Fig. 9, in the inner punching punch 6, the free punching of the release ply 6, which occurs when the punching punch 6 is internally punched, The release leg 35 is left so that the end 31 is connected to the outer edge portion of the adjacent release liner 6 so that the protective layer 35 is formed on the release liner 6 internally punched in the protective layer forming step S50 The free end 31 of the release liner 6 is prevented from being skewed or misaligned and misaligned. Thereafter, the releasing paper leg 35 can be removed together with the protective sheet 8 when the protective sheet 8 is pulled out in the outer punching step S60 described below. At this time, 37) will remain. 11, the release layer 5 punched out in the pre-inner punching step S40 is peeled off from the release ply 6, and a replacement release paper is applied to the adhesive layer 21 Since the release release layer 5 is formed, it is not necessary to remove the release release legs 35 separately as described above.

In addition, it is preferable that the inner scraping 33 is divided into a predetermined rule and the punching is sequentially performed even when the releasing piece 6 is tapped in the inner punching step S40. For example, as shown in Fig. 14, First, as shown in Fig. 14 (a), the release layer 27 is formed by the protective layer 7 so as to leave the first tread spot A along the lower side of the drawing of the antenna pattern layer 3, (6). Then, as shown in FIG. 14 (b), the second punching spot B located at the farthest from the first punching spot A is punched. By setting the second punching position as described above, The tension can be kept relatively tight. 14 (c) for the reason as shown in Fig. 14 (b), a third punching spot C in the same direction as the second punching spot B is hit. Finally, if the inner scrap 33 is removed and removed so that the fourth tread spot D shown in FIG. 14 (d) is formed in the release tongue 6, the inner scraper 33 in the inner tread step S40 of FIG. The foot is completed. At this time, it is preferable that the first to fourth puncture positions A to D are formed in a long rectangular shape as shown in the figure.

The protective layer forming step S50 is a step of adhering the protective layer 7 to the release liner 6 having the inner scraper 33 taken in the upper inner punching step S40, A protective laminate 8 as a whole is formed by adhering a protective layer 7 made of a protective film in the form of a film to the surface 19 of the release liner 6 on which the scraps 33 are all taken. 8, the protection layer 7 protects the metal thin film layer 4 (see FIG. 8) from being blocked by the protective layer 7, , It is not necessary to apply a separate adhesive to the surface 19, since it is not adhered to the surface 19 of the surface 19.

Finally, the external punching step S60 is a step of finally picking up the antenna pad 1 in the protection laminate 8, and as shown in FIG. 10, the protective laminate (step S60) 8 are cut along the contour lines of the polygonal shape formed by the metal thin film pattern 11 to form the antenna pad 1 and the surrounding outer scraps 73 remaining after the outer punch are discarded. At this time, the outer punching step S60 is performed in the same manner as in the inner punching step S40 when the metal thin film pattern 11 is formed along the outer side of the metal thin film pattern 11, When the antenna pattern layer 3 cut from the metal foil layer 4 by the external puncture is bonded to the terminal case 10 after leaving the margin M in the cover layer 13 in the width direction of the metal foil pattern 13, (11) covered by the cover layer (13).

The hooking step S70 is a step for forming the hooking step 27 on the antenna pad 1 as mentioned in the inner punching step S40. (Step S72).

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 release liner 6 is extended from the outer side of the polygonal shape formed by the metal thin film pattern 11, that is, from the lower side of the drawing So as to form the hooking end 27. Thus, the protective laminate 8, which is formed by sticking the protective layer 7 to the release liner 6 at a later time, has a hook end 27 as shown in Fig. As described above, the hooking step S72 is also a step of touching the hooking end 27 made in the protective joint 8 together with the antenna pad 1, The hook end 27 provided in the hooking step preparation step S71 is cut together with the metal foil layer 4 at the protective joint 8 when the protective joint 8 is punched out, The antenna pad 1 having the hooking end 27 is finally completed. At this time, the hooking end (27) is also passed through the position setting hole (29) at the time of external punching.

In step S80, the releasing layer 5 is removed from the inner scrap 33 in step S40, and a new releasing layer 5 in the form of a battery is adhered to the outer releasing layer 5, 11, the releasing layer 5 punched out together with the protective laminate 8 in the internal punching step S40 shown in Fig. 7 is subjected to the protection shown in Fig. 8, Removed from the laminate (8). 12, a new release layer 5 is formed by adhering an alternative release sheet in the form of a battery to the adhesive layer 21 of the release release sheet 6 from which the released release layer 5 has been removed. 12, the release layer 5 and the protective layer 7 in a battery state are arranged above and below, respectively, and an antenna pattern layer 3 internally punched therebetween is formed between the release layer 5 and the protective layer 7, Sandwich form.

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 antenna pattern layer 3 as shown in FIG. 12, As shown in Fig. Thus, the alternative release sheet is provided with a protective laminate 8 having a plurality of antenna pattern layers 3 unlike the illustrated one. Accordingly, the user can easily store and use the plurality of antenna pattern layers 3 because the plurality of antenna pattern layers 3 are provided on the replacement one sheet of paper.

The alternative release sheet of the releasing layer step S80 may be punched along the outline of the antenna pattern layer 3 to produce the antenna pad 1 of the type shown in FIG.

A mold 50 for manufacturing a portable terminal case for attaching the film-type antenna pad 1 to a sub-case 10 of a portable terminal is shown at 50 in FIGS. 15 to 19, A base frame 61 and an elastic mold 63, and may further include an auxiliary frame 65 as required.

20, the base frame 61 is formed in a plate-like shape as in a general mold as shown in FIG. 20, and the elastic mold 63 is positioned at the lower end of the mold 50, Respectively. For this purpose, the base frame 61 can fix the elastic mold 63 by various means. For example, the elastic mold 63 may be adhered to the upper surface, or the fixing groove may be formed on the upper surface, It can be fixed to the upper surface through a separate fixed block 71 as shown in FIG. At this time, a vacuum passage 73 is formed in the elastic mold 63 and the fixed block 71 as described below. In the base frame 61, the vacuum passage 73 is connected to a vacuum pump And a vacuum passage (75) for connecting to the vacuum chamber (67).

15 to 19, the fixed block 71 includes a base portion 71-1 and a lid portion 71-2. The base portion 71-1 has a base 71-1, As shown in Figs. 15 and 16, in order to increase the installation position of the elastic mold 63 and to secure the height of the vacuum passage 73, the base frame 61 is protruded at a predetermined height. 17, the base 71-1 is provided with a suction groove 77 for connecting a plurality of vacuum passages 73 so as to simultaneously absorb the bottom surface of the elastic mold 63 seated on the upper surface And is concave on the upper surface. The lid portion 71-2 is a plate-like member for fixing the elastic mold 63 on the base 71-1. The lid portion 71-2 is a plate-shaped member for fixing the elastic mold 63 to the center as shown in Figs. 15 to 16 And is made of a plate-shaped body having an elongated hole 78 penetrating therethrough, and is detachably fixed on the base 71-1 by a screw 79 or the like.

The elastic mold 63 is a part for adhering the film-type antenna pad 1 to the sub-case 10 of the portable terminal, in particular, by adhering it to the adhesive surface including the inner curved surface. As shown in FIG. 15, And is provided at a position corresponding to the adhesive spot 20 including the inner curved surface of the sub-case 10, that is, on one side of the upper surface of the frame 61. [

The elastic mold 63 is attached to the adhesive spot 20 in the process of bonding the film type antenna pad 1 that is seated on the upper surface to the adhesive spot 20 including the inner curved surface of the sub- As a material having high elasticity, various materials having elasticity may be used, but it is particularly preferable to use silicon having heat resistance. In addition, the elastic mold 63 is preferably formed in a shape corresponding to the inner curved surface in order to adhere the film-type antenna pad 1 to the adhesive seat 20 including the inner curved surface.

15 to 17, the fixing block 71 of the base frame 61 is provided with a film type antenna pad (not shown), for example, in the base frame 61 or the elastic mold 63, A fixing protrusion 76 for fixing the fixing member 1 in a fixed position is protruded. The fixing protrusions 76 fix the film antenna pad 1 in a fixed position by fitting the above-mentioned locking hole 29 of the protective layer 7 adhered to the surface of the film antenna pad 1 . The fixing protrusions 76 may be formed on the auxiliary frame 65 which will be described later. Particularly, it is preferable that the fixing protrusion 76 is formed at a position adjacent to the cutout portion of the auxiliary frame 65, which will be described later.

The auxiliary frame 65 is a member that allows the adhesive operation of the film-type antenna pad 1 by the upper base frame 61 and the elastic mold 63 to be carried out more stably. In FIGS. 15 to 17 As shown in the figure, the apparatus includes a case supporting portion 81, a lamination portion 83, and a guide portion 85, and further includes a buffer spring 87.

The case support 81 is a means for supporting the inner portion of the sub-case 10 other than the adhesive seat 20 when the sub-case 10 is pressed against the elastic mold 63, The inside of the sub-case 10 is supported. 15 to 17, it is preferable that the upper surface of the case supporting portion 81 is formed in a shape corresponding to the inner shape of the sub-case 10. The portion of the case supporting portion 81 corresponding to the elastic mold 63 is cut so that the elastic mold 63 is exposed on the case supporting portion 81.

15 and 18, the laminated portion 83 is integrally formed along the rim and surrounds the case supporting portion 81. The laminated portion 83 is integrally formed with the base frame 81, And the sub-case 10, which is pressed onto the elastic mold 63 by being stacked on the support 61, stably supports the sub-case 10 together with the case supporting portion 81 as a whole.

The guide portion 85 is a means for guiding the stacked portion 83 so as to be able to ascend and descend from the base frame 61 together with the case supporting portion 81 for supporting the sub-case 10 as described above. It is possible to adopt any kind of guiding means as long as it does not cause displacement in the front, rear, left, and right directions. In this embodiment, as shown in Figs. 15 to 17, a plurality of guide posts 88, Through holes (89) that are inserted into the through holes (88).

Here, the guide posts 88 are formed in a plurality of four corners on the upper surface of the base frame 61, and extend vertically so as to guide the auxiliary frame 65 without back and forth left and right displacements. The through hole 89 is passed through the auxiliary frame 65 at a position corresponding to the plurality of guide posts 88. When the stacked portion 83 is stacked on the base frame 61, 88 so that the stacked portion 83 is not displaced forward, backward, leftward, or rightward when the stacked portion 83 is lifted and lowered from the base frame 61 together with the case supporting portion 81.

15 to 17, the cushion spring 87 elastically supports the auxiliary frame 65 as described above. The cushion spring 87 is provided between the base frame 61 and the lamination portion 83, do. The buffer spring 87 is urged toward the sub-case 10 when the sub-case 10 is lowered together with the sub-frame 65 in a state of being seated in the case supporting portion 81 and pressed against the elastic mold 63 The pressing force applied to the case supporting portion 81, that is, the auxiliary frame 65 is buffered to press the sub-case 10 with a greater force, so that the elastic mold 63 is pressed against the adhesive surface of the sub- So that the SUS antenna pad 1 to be adhered is more strongly adhered to the adhesive spot 20. [

In order to manufacture the sub-case 10 according to the present invention by adhering the film-type antenna pad 1 manufactured as described above to the case body of the sub-case 10, the antenna mounting step S110, the release layer peeling step The pattern adhesion step S130 and the protective layer peeling step S140, the vacuum adsorption step S150 and the elastic mold heating step S160 are performed.

In this case, the step of mounting the antenna (S110) is a step of placing the antenna pad 1 on the elastic mold 63 of the mold 50 for manufacturing a portable terminal case as described above. In manufacturing the sub-case 10 by the mold 50 including the frame 61 and the elastic mold 63, the adhesive spot 20 of the sub-case 10, as shown in Figs. 15 and 16, The antenna pad 1 to be adhered to the elastic mold 63 is seated. To this end, the antenna pad 1 is fixed at a fixed position by fitting the hooking end 27 and the positioning hole 29 into the fixing protrusion 76 of the elastic mold 63. As described above, the base frame 61 constitutes the base of the mold 50. The elastic mold 63 is disposed on the upper surface of the base frame 61 and is pressed against the base frame 61 The antenna pad 1 is elastically brought into close contact with the adhesive seat 20 of the antenna 10.

The release layer peeling step S120 is a step of peeling off the release layer 5 protecting the adhesive layer 21 of the antenna pad 1. The release layer removal step S120 is a step of peeling off the release layer 5 protecting the adhesive layer 21 of the antenna pad 1, The setting hole 29 is fitted in the fixing protrusion 76 and the release layer 5 at the top of the antenna pad 1 protecting the adhesive layer 21 from the antenna pad 1 which is placed on the elastic mold 63 is peeled off Thereby exposing the adhesive layer 21 underneath.

The pattern bonding step S130 is a step of bonding the antenna pad 1 to the adhesive seat 20 of the sub case 10 by using the elastic force of the elastic mold 63. As shown in Figure 19, In the layer delamination step S120, the sub case 10 is brought into close contact with the antenna pad 1 on which the adhesive layer 21 is exposed. At this time, when the antenna pad 1 is bonded without using the case supporting portion 81 for supporting the entire sub case 10, that is, without using the auxiliary frame 65, the sub case 10 is fixed to the elastic mold 63). Conversely, when the adhesive seat 20 of the sub-case 10 is pressed against the elastic mold 63 while the entire sub-case 10 is supported by the auxiliary frame 65, that is, the case supporting portion 81, The antenna pad 1 can be bonded automatically or semiautomatically by means of a pressure plate 91 which operates by hydraulic pressure, as shown in Fig. At this time, a silicon pad 93 for buffering is attached to the bottom surface of the pressure plate 91.

The protective layer peeling step S140 is a step of finally peeling off the protective layer 7 after the antenna pad 1 is adhered to the sub case 10 and as shown in Figure 19, The antenna pad 1 adhered to the adhesive spot 20 inside the sub case 10 in the step of S130 is moved to the fixing projection 76 of the positioning hole 29 of the protective layer 7 so as to be held in the correct position. The protection layer 7 attached to the surface opposite to the adhesive spot 20 is removed from the antenna pad 1 to complete the adhesion of the antenna pad 1. [

The vacuum adsorption step S150 is a step of strongly pressing the antenna pad 1 placed on the elastic mold 63 against the elastic mold 63. The vacuum pump 67 shown in FIG. . The generated vacuum negative pressure acts on the seating surface of the elastic mold 63 along the vacuum passage 75 of the base frame 61, the fixed block 71 and the vacuum passage 73 formed in the elastic mold 63. Thus, the surface of the protective layer 7 of the antenna pad 1 is adsorbed on the seating surface of the elastic mold 63, and is securely seated on the elastic mold 63.

The step of heating the elastic mold S160 is a step of increasing the adhesive strength of the antenna pad 1 to the sub case 10 which is seated on the elastic mold 63. As shown in Figure 17, The adhesive applied to the adhesive layer 21 of the antenna pad 1 is softened by heating the frame 61 or directly heating the fixing block 71 to raise the temperature of the elastic mold 63, And more firmly adheres to the adhesive spot 20 of the case 10. In addition, since the antenna pad 1 itself, which is placed on the elastic mold 63, is also heated by the elastic mold 63 and softened, the adhesion to the elastic mold 63 also increases.

On the other hand, the above-described antenna pattern layer 3 is formed by the elastic force of the aforementioned elastic mold 63 formed corresponding to the inner curved surface of the case body constituting the sub-case 10, That is, on the side of the rim of the lower surface (inner surface). Therefore, the antenna pattern layer 3 of the antenna pad 1 is attached to the curved surface portion of the lower side of the sub-case 10, thereby improving space utilization.

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)

delete delete delete delete delete delete delete delete delete delete A base frame 61 forming 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 metal mold (50) including an elastic mold (63)
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 method of claim 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.
KR1020140013732A 2013-03-28 2014-02-06 Manufaturing method for case of movable terminal having antena KR101395131B1 (en)

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KR20130033984 2013-03-28

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Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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