KR101624192B1 - Method for manufacturing antenna for mobile communication device having metallic border, antenna for mobile communcation device manufactured thereby and mobile communication device having the antenna - Google Patents

Method for manufacturing antenna for mobile communication device having metallic border, antenna for mobile communcation device manufactured thereby and mobile communication device having the antenna Download PDF

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Publication number
KR101624192B1
KR101624192B1 KR1020140159003A KR20140159003A KR101624192B1 KR 101624192 B1 KR101624192 B1 KR 101624192B1 KR 1020140159003 A KR1020140159003 A KR 1020140159003A KR 20140159003 A KR20140159003 A KR 20140159003A KR 101624192 B1 KR101624192 B1 KR 101624192B1
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KR
South Korea
Prior art keywords
mobile communication
communication terminal
antenna
extending
substrate
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KR1020140159003A
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Korean (ko)
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KR20160057854A (en
Inventor
김우중
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김우중
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Priority to KR1020140159003A priority Critical patent/KR101624192B1/en
Priority to PCT/KR2015/012222 priority patent/WO2016076660A1/en
Publication of KR20160057854A publication Critical patent/KR20160057854A/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
    • 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

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  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Telephone Set Structure (AREA)

Abstract

A method of manufacturing an antenna for a mobile communication terminal having a metal frame according to the present invention comprises the steps of forming a conductive metal frame for constituting an edge portion of a mobile communication terminal, Comprising; Wherein the extension protrusions penetrate the dielectric case in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal, Placing the other end of the substrate facing away from the substrate; And forming an antenna pattern part on a surface of the dielectric case, wherein the antenna pattern part is connected to the other end of the extending protrusion.

Description

TECHNICAL FIELD [0001] The present invention relates to a method of manufacturing an antenna for a mobile communication terminal having a metal rim, an antenna for a mobile communication terminal manufactured thereby, and a mobile communication terminal having the antenna, and a mobile communication terminal having the metal rim. COMMUNICATION DEVICE HAVING THE ANTENNA}

The present invention relates to a method of manufacturing an antenna for a mobile communication terminal having a metal frame, an antenna for the mobile communication terminal manufactured thereby, and a mobile communication terminal having the same.

A mobile communication terminal is a portable device having a function of storing information, inputting / outputting information, and data, centering on a call / message transmission / reception function, while being portable. Thanks to the rapid development of information technology and electronic industry, mobile communication terminals are becoming one of the essential personal personal items of modern people equipped with various functions such as cameras, music and video playback, games, and TV.

An external antenna, which is exposed to the outside of the terminal, was developed first, but the internal antenna mounted on the mobile communication terminal has been replaced with an internal antenna having fewer problems of damage while improving the beauty. Various types of built-in antennas have been developed depending on the type of antenna, manufacturing method, material, position, and the like. In accordance with miniaturization of a terminal, an antenna embedded therein must satisfy complicated conditions such as securing a space and a space that can realize communication quality from the viewpoint of design, overcoming influences from other parts becoming closer and becoming higher density, and regulating electromagnetic waves The difficulty also increases.

In recent years, a dielectric carrier or a support for fixing the built-in antenna is separately provided inside the cage of the terminal. In recent years, the antenna is installed directly in a case or a frame of the mobile terminal, thereby reducing the installation space or volume and increasing the component density. In the method of forming the antenna pattern, direct printing or vapor deposition is also used in order to reduce the thickness and simplify the manufacturing process. In order to secure a certain distance from the circuit board, the antenna pattern may be located on the opposite side of the case or the frame. In order to connect the antenna pattern to the circuit board, a conductor that passes through the structure supporting the antenna pattern is required. In order to install the conductor through the case, another metal may be injected into the case and insert, a metal pin may be press-fitted, or printing or plating may be performed on the inner wall of the through hole for conduction.

A slim design of the mobile communication terminal and a design that wraps the frame by using a metallic ring to provide mechanical rigidity or emphasize individuality according to the display conversation has been proposed. However, the metal rim acts as a weak point that imposes restrictions on the mounting area or design of the antenna, which is becoming increasingly narrow.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is an object of the present invention to provide a method for positively using a metal frame in a mobile communication terminal using a metal frame or a decorative metal, And an antenna for a mobile communication terminal manufactured by the method and a mobile communication terminal having the metal antenna.

According to an aspect of the present invention, there is provided a method of manufacturing an antenna for a mobile communication terminal having a metal frame, the method comprising the steps of: forming a conductive metal frame for forming an edge portion of the mobile communication terminal, Comprising an extending projection extending inwardly; Wherein the extension protrusions penetrate the dielectric case in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal, Placing the other end of the substrate facing away from the substrate; And forming an antenna pattern part on a surface of the dielectric case, wherein the antenna pattern part is connected to the other end of the extending protrusion.

According to an embodiment of the present invention, the step of forming the conductive metal frame for forming the edge portion of the mobile communication terminal comprises: casting a conductive metal material to obtain a primary shape; And mechanically machining the primary shape to obtain a secondary shape.

As an example related to the present invention, a method of manufacturing an antenna for a mobile communication terminal having the metal rim may further include a step of performing an erosion treatment on the secondary shape.

As an example related to the present invention, the conductive metal material is aluminum, and the corrosion-resistant treatment may be anodizing.

In one embodiment of the present invention, the step of integrating the dielectric case with the metal frame may include a step of molding the resin material for forming the dielectric case by the metal frame and insert injection.

As an example related to the present invention, a method of manufacturing an antenna for a mobile communication terminal having a metal rim may further include machining the metal rim and the dielectric case after the insert is injected.

In one embodiment of the present invention, the step of machining the metal rim and the dielectric case after the injection of the insert further comprises forming the other end of the elongate projection to be lower than the surface of the dielectric case .

In one embodiment of the present invention, the step of forming the antenna pattern portion on the surface of the dielectric case may include a step of directly printing the conductive ink on the dielectric case in a predetermined pattern.

In one embodiment of the present invention, a method of fabricating an antenna for a mobile communication terminal having a metal rim includes removing a portion connecting the extending ridge and the metal rim, after integrating the dielectric case with the metal rim As shown in FIG.

The present invention also provides a mobile communication terminal comprising: a conductive metal frame including a frame body for constituting an edge portion of the mobile communication terminal; and an extending projection extending inward from the frame body; The extension protrusion penetrates in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal and the other end of the extension protrusion is away from the substrate. A dielectric case formed in an integrally joined shape; And an antenna pattern portion formed on a surface of the dielectric case, the antenna pattern being connected to the other end of the extending protrusion.

In one embodiment of the present invention, a plurality of the extending protrusions are disposed in proximity to each other, and the antenna pattern unit is configured to be connected to the plurality of extending projections.

In one embodiment of the present invention, a plurality of the extending protrusions may be arranged in proximity to each other to form a group, while the groups may be formed on the dielectric case in a plurality.

According to another aspect of the present invention, there is provided a mobile communication terminal comprising: a frame body configured to form an edge portion of a mobile communication terminal; a conductive metal frame including an extension protrusion extending inward from the frame body; A substrate disposed inside the metal rim; A dielectric body formed integrally with the metal frame so that the extending protrusion penetrates in the thickness direction so that one end of the extending protrusion is directed toward the substrate and the other end of the extending protrusion is directed away from the substrate, case; An antenna pattern formed on a surface of the dielectric case, the antenna pattern being connected to the other end of the extending protrusion; And an elastic terminal formed on the substrate, the elastic terminal being in contact with one end of the extending projection and electrically connecting the extending projection to the substrate.

According to the method for manufacturing an antenna for a mobile communication terminal having a metal rim according to the present invention, an antenna for a mobile communication terminal manufactured by the method, and a mobile communication terminal having the same, a protrusion is formed at the time of manufacturing a metal rim, Since the metal case is used as a connection means by contact, manufacturing is simplified compared to forming a separate metal pin or through hole in the dielectric case, and reliability of electrical connection with the antenna pattern against impact can be ensured.

According to an embodiment of the present invention, the extension protrusion extending from the metal rim can be used independently in connection with the metal rim after integrally molding with the dielectric case, or can be used independently by removing the connection element, .

In addition, the extension protrusion integrally formed with the metal frame and the case can be combined with a method of forming an antenna pattern by direct printing, thereby simplifying the antenna manufacturing process, and using the metal rim as a radiator by a simple method.

1 is a partial cross-sectional view schematically showing an example of a mobile communication terminal having an antenna manufactured in a method related to the present invention;
FIG. 2 is a view schematically showing a result of a detailed process to describe a method of manufacturing an antenna for a mobile communication terminal having a metal frame according to the present invention; FIG.
3 is a cross-sectional view schematically showing a mobile communication terminal having an antenna manufactured by another example method related to the present invention
FIG. 4 is a cross-sectional view schematically showing a mobile communication terminal having an antenna manufactured by another example method related to the present invention
FIG. 5 is a cross-sectional view showing another state of engagement between a metal rim and an extending projection
Fig. 6 is a plan view of the coupled state of Fig. 5
FIG. 7 is a plan view showing a state in which a conductor print layer is formed on a connection portion between an antenna pattern portion and an extending projection in the state of FIG.
FIG. 8 is a plan view showing a state in which an antenna pattern portion is formed in a fit shape to a dielectric case using the method of FIGS. 5 to 7. FIG.

Hereinafter, a method of manufacturing an antenna for a mobile communication terminal having a metal frame according to the present invention and an antenna for a mobile communication terminal manufactured thereby will be described in detail with reference to the accompanying drawings.

1 is a partial cross-sectional view schematically showing an example of a mobile communication terminal having an antenna manufactured according to a method related to the present invention.

Referring to FIG. 1, the mobile communication terminal 100 includes a main body, and the peripheral edge of the main body 100 is surrounded by a conductive metal frame 110. A dielectric case 130 formed integrally with the metal rim 110 is included inside or outside the main body.

The mobile communication terminal 100 is a mobile device having an antenna for a mobile communication in connection with the present invention. Typically, the mobile communication terminal 100 may include a mobile phone, a smart phone, etc. In addition, various portable devices such as a tablet PC, .

The metal frame 110 may form an outer appearance of the mobile communication terminal 100 and may be utilized as an antenna due to its conductivity. An antenna pattern 140 is formed on the dielectric case 130 and the antenna pattern 140 is electrically connected to the extension protrusion 120 extending from the metal frame 110. Specifically, the extending protrusion 120 extends inward of the metal rim 110, and includes a connecting arm 121 extending from the metal rim 110, and a dielectric case 130 at the end of the connecting arm 121. [ And a through-hole fin 122 penetrating through the through-hole. One end of the through-hole fin 122 faces the circuit board 150 and the other end faces away from the circuit board 150. The through-hole fin 122 contacts an elastic terminal 160 provided on the circuit board 150 to feed an electrical signal to be received or transmitted through the antenna pattern 140 or the metal frame 110.

The antenna pattern 140 may be formed by a direct printing method on the dielectric case 130. A Direct Printed Antenna (DPA) method or a pad printing method can be applied to the antenna pattern 140 herein. In addition, a pattern may be formed by a method such as vapor deposition, plating or transfer. In any case, the formed antenna pattern 140 is connected to the circuit board 150 through the extension protrusion 120 extending from the metal rim 110. Therefore, the metal frame 110 and the dielectric case 130 are integrated with each other without having a press-fit pin or a through-hole structure for connecting an antenna.

2 is a view schematically showing a result of each sub-process to describe a method of manufacturing an antenna for a mobile communication terminal having a metal frame according to the present invention.

First, as shown in FIG. 2A, a conductive metal material is cast to form a metal rim 110 to obtain a primary shape. The primary shape includes a rim body 110a and an extending projection 120a extending inward of the rim body 110a. As the conductive metal material, aluminum excellent in workability and electrical conductivity can be used, and a primary shape can be formed by the die casting method. In addition, it is also possible to use magnesium as the conductive metal material. The extension protrusion 120 may have a number of positions or numbers depending on the part where it is needed.

Next, as shown in Fig. 2 (b), the primary shape is mechanically processed through a device such as a CNC to obtain a secondary shape. Thereby forming the correct shapes 110b and 120b of the rim body 110a and the extension protrusion 120a.

When the shape of the rim body 110b and the shape forming of the extending protrusions 120b are completed, the rustproofing process 110c or 120c can be performed on the quadratic shape so as to reduce the deterioration of the electric conductivity as shown in Fig. 2 (c) have. When an aluminum material is used, an anodizing treatment can be performed. In addition, it is possible to apply chromium. Also, it is possible to secure physical conduction by forming a thin pin or a pin after forming the antenna pattern 140 so as to reduce a decrease in electrical conductivity due to galvanic corrosion of the extension protrusion 120 made of aluminum. In this case, the present corrosion-resistant processing step may be omitted or replaced by another step.

When the metal rim and the protrusion are completed, the metal rim 110c and the protrusion 120c are integrated with the dielectric case 130a as shown in Fig. 2 (d). As such a method, a process of molding the metal rim 110c and the extending protrusion 120c by insert injection with a resin material for forming the dielectric case 130a may be included. At this time, the extending protrusion 120 passes through the dielectric case 130a, and one end thereof faces toward the circuit board to be mounted forward, and the other end faces away from the circuit board.

Next, after the insert injection, the metal rim and the dielectric case can be machined (Fig. 2 (e)). In this step, the metal rim 110e can be separated into several pieces by the cutting gap 112. Further, the extending protrusion 120e can be separated from the metal rim 110e through processing. For this, a portion connecting the extension protrusion 120e and the metal rim 110e may be removed. These extending projections 120e can be used independently of the metal rim 110e.

When the case having the metal rim is formed, the antenna pattern 140 is formed on the surface of the case 130b. The antenna pattern 140 may have a certain length or pattern depending on the required band or usage and may be disposed at a different position. A method of printing the conductive ink in the predetermined pattern on the dielectric case 130b as described above for forming the antenna pattern 140 can be used. It can be connected to the extension protrusions 120d and 120e which are already underneath by printing or the like and thus can be electrically connected to the circuit board to be disposed on the opposite side.

In this way, the antenna for a mobile communication terminal having a metal rim is formed with an antenna pattern phosphor or a contact pin to which a metal rim is to be fed together (that is, an extending protrusion) in the process of integrating the metal rim and the dielectric case It can reduce the overall manufacturing process and is excellent in cost and management.

3 is a cross-sectional view schematically illustrating a mobile communication terminal 200 having an antenna manufactured by another method according to the present invention. In this example, a portion C connecting the metal rim 210 and the through-fin portion 222 is removed in a state where the metal rim 210 and the through-fin portion 222 are connected. Accordingly, the through-fin portion 222 is connected to the circuit board 250 independently of the metal frame 210. The through-fin portion 222 may have a length protruding from the inner side surface of the case 230 in consideration of the distance between the circuit board 250 and the conductive elastic terminal 260. [

FIG. 4 is a cross-sectional view schematically showing a mobile communication terminal 300 having an antenna manufactured by another method according to the present invention. In this example, the metal rim 310 and the portion C connecting the metal rim 310 and the penetrating fin portion 322 are removed together. That is, considering the position and distance with respect to the circuit board 350, the exposed portion of the through-fin portion 322 with respect to the elastic terminal 360 may be formed in various manners.

FIG. 5 is a cross-sectional view showing another state of engagement between the metal rim and the extending protrusion according to the present invention, FIG. 6 is a plan view of the coupled state of FIG. 5, In which a conductor print layer is formed on the upper side.

The connection arm portions 421 connecting between the metal frame 410 and the through-hole fin portions 422 are formed in a common shape, instead of a plurality of through-hole fin portions 422 in this example. This multiplication of the through-fin portions 422 increases the stability of the electrical connection with the antenna pattern. That is, the antenna pattern can be connected to the ends of the plurality of through-fin portions 422 by printing or the like, and even if a fine crack is generated between one of the through-hole fin portions 422 and the antenna pattern 440, The connection state of the connection terminal 422 can be compensated for.

FIG. 8 is a plan view showing a state in which an antenna pattern portion is formed in a shape fit to a dielectric case using the method of FIGS. 5 to 7. FIG.

As shown in FIG. 8, a plurality of the extending protrusions 422a and 422b may be arranged close to each other to form one group, and the plurality of the extending protrusions 422a and 422b may be formed on the dielectric case 430. The extension protrusions 422a and 422b may be connected to the metal rim 410 as occasion demands, or may be used independently as a part thereof is removed. The antenna patterns 440A, 440B, 440C, and 440D may be formed in correspondence with the necessary extended protrusion groups, and may be selectively used according to the provision of a plurality of extended protrusions in the group.

The above-described method of manufacturing an antenna for a mobile communication terminal having a metal frame, the antenna for a mobile communication terminal manufactured thereby, and the mobile communication terminal having the same are not limited to the configuration and method of the embodiments described above. The above embodiments may be constructed by selectively combining all or a part of each embodiment so that various modifications can be made.

100, 200, 300: mobile communication terminal
110, 210, 310, 410: metal rim
120, 420: extension protrusions 130, 230, 330, 430: dielectric case
221, 421: connecting arm portions 222, 322, 422:
140, 240, 340, 440: antenna pattern
150, 250, 350: circuit board 160, 260, 360: conductive elastic terminal

Claims (13)

A method of manufacturing a mobile communication terminal, comprising the steps of: forming a conductive metal frame for constituting an edge portion of a mobile communication terminal, the metal frame including an extending projection extending inward;
Wherein the extension protrusions penetrate the dielectric case in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal, Placing the other end of the substrate facing away from the substrate; And
Forming an antenna pattern portion on the surface of the dielectric case, the antenna pattern portion being connected to the other end of the extending projection,
The step of integrating the dielectric case with the metal rim may include:
And molding the resin material for forming the dielectric case by the metal rim and insert injection,
And machining the metal rim and the dielectric case after the insert injection,
Wherein the step of machining the metal rim and the dielectric case after the insert injection comprises:
And forming the other end of the extending protrusion to be lower than the surface of the dielectric case.
Claim 2 has been abandoned due to the setting registration fee. The method according to claim 1,
The step of forming the conductive metal frame for constituting the edge portion of the mobile communication terminal comprises:
Casting a conductive metal material to obtain a primary shape; And
And mechanically machining the primary shape to obtain a secondary shape. A method of manufacturing an antenna for a mobile communication terminal having a metal rim.
Claim 3 has been abandoned due to the setting registration fee. 3. The method of claim 2,
Further comprising a step of subjecting the secondary shape to corrosion treatment.
Claim 4 has been abandoned due to the setting registration fee. The method of claim 3,
Wherein the conductive metal material is aluminum and the corrosion-resistant treatment is anodizing, the metal frame having a metal frame.
delete delete delete Claim 8 has been abandoned due to the setting registration fee. The method according to claim 1,
Wherein the step of forming the antenna pattern portion on the surface of the dielectric case comprises:
And printing the conductive ink directly on the dielectric case according to a predetermined pattern. The method of manufacturing an antenna for a mobile communication terminal having a metal frame.
A method of manufacturing a mobile communication terminal, comprising the steps of: forming a conductive metal frame for constituting an edge portion of a mobile communication terminal, the metal frame including an extending projection extending inward;
Wherein the extension protrusions penetrate the dielectric case in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal, Placing the other end of the substrate facing away from the substrate; And
Forming an antenna pattern portion on the surface of the dielectric case, the antenna pattern portion being connected to the other end of the extending projection,
After the step of integrating the dielectric case with the metal rim,
Further comprising the step of removing a portion connecting the protrusion and the metal rim.
delete A conductive metal frame including a rim body for constituting an edge portion of the mobile communication terminal and an extending projection extending inward from the rim body;
The extension protrusion penetrates in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal and the other end of the extension protrusion is away from the substrate. A dielectric case formed in an integrally joined shape; And
And an antenna pattern portion connected to the other end of the extending protrusion and formed on the surface of the dielectric case,
Wherein the plurality of extension protrusions are disposed in proximity to each other, and the antenna pattern unit is connected to the plurality of extension protrusions.
A conductive metal frame including a rim body for constituting an edge portion of the mobile communication terminal and an extending projection extending inward from the rim body;
The extension protrusion penetrates in the thickness direction so that one end of the extension protrusion is directed toward the substrate to be disposed in the mobile communication terminal and the other end of the extension protrusion is away from the substrate. A dielectric case formed in an integrally joined shape; And
And an antenna pattern portion connected to the other end of the extending protrusion and formed on the surface of the dielectric case,
Wherein the plurality of extension protrusions are disposed in proximity to each other to form a group, and the groups are formed on the dielectric case in a plurality of numbers.
A conductive metal frame including a rim body for constituting an edge portion of the mobile communication terminal and an extending projection extending inward from the rim body;
A substrate disposed inside the metal rim;
A dielectric body formed integrally with the metal frame so that the extending protrusion penetrates in the thickness direction so that one end of the extending protrusion is directed toward the substrate and the other end of the extending protrusion is directed away from the substrate, case;
An antenna pattern formed on a surface of the dielectric case, the antenna pattern being connected to the other end of the extending protrusion; And
And an elastic terminal formed on the substrate and contacting one end of the extending projection to electrically connect the extending projection and the substrate,
Wherein a plurality of the extending projections are disposed in proximity to each other, and the antenna pattern portion is configured to be connected to the plurality of extending projections.
KR1020140159003A 2014-11-14 2014-11-14 Method for manufacturing antenna for mobile communication device having metallic border, antenna for mobile communcation device manufactured thereby and mobile communication device having the antenna KR101624192B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020140159003A KR101624192B1 (en) 2014-11-14 2014-11-14 Method for manufacturing antenna for mobile communication device having metallic border, antenna for mobile communcation device manufactured thereby and mobile communication device having the antenna
PCT/KR2015/012222 WO2016076660A1 (en) 2014-11-14 2015-11-13 Method for manufacturing antenna for mobile communication terminal having metal edge, antenna for mobile communication terminal manufactured thereby, and mobile communication terminal having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140159003A KR101624192B1 (en) 2014-11-14 2014-11-14 Method for manufacturing antenna for mobile communication device having metallic border, antenna for mobile communcation device manufactured thereby and mobile communication device having the antenna

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KR20160057854A KR20160057854A (en) 2016-05-24
KR101624192B1 true KR101624192B1 (en) 2016-05-26

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KR101102703B1 (en) * 2009-07-13 2012-01-05 마상영 An antenna module and its manufacturing method
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KR101297195B1 (en) * 2011-08-04 2013-08-16 이기수 Method of manufacturing a case with an antenna
KR20130022208A (en) * 2011-08-25 2013-03-06 삼성전자주식회사 Antenna apparatus
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