KR101477586B1 - Mold for wireless communication device case and antenna carrier - Google Patents

Mold for wireless communication device case and antenna carrier Download PDF

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Publication number
KR101477586B1
KR101477586B1 KR1020140046179A KR20140046179A KR101477586B1 KR 101477586 B1 KR101477586 B1 KR 101477586B1 KR 1020140046179 A KR1020140046179 A KR 1020140046179A KR 20140046179 A KR20140046179 A KR 20140046179A KR 101477586 B1 KR101477586 B1 KR 101477586B1
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KR
South Korea
Prior art keywords
protrusion
groove
antenna
protruding
antenna pattern
Prior art date
Application number
KR1020140046179A
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Korean (ko)
Inventor
성원모
이원노
Original Assignee
주식회사 이엠따블유
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Filing date
Publication date
Application filed by 주식회사 이엠따블유 filed Critical 주식회사 이엠따블유
Priority to KR1020140046179A priority Critical patent/KR101477586B1/en
Application granted granted Critical
Publication of KR101477586B1 publication Critical patent/KR101477586B1/en
Priority to PCT/KR2015/003838 priority patent/WO2015160202A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds

Abstract

A wireless communication device case mold and an antenna carrier are provided. The case mold of a wireless communication device according to an embodiment of the present invention includes a base portion on which an antenna pattern is formed, a protrusion protruding from the base portion to which the antenna pattern extends, and a protrusion protruding from the side portion of the protrusion in a protruding direction A cavity in which at least a portion of the protrusion is inserted; And a guide groove formed on an inner surface of the groove to guide the position of the projection so as to prevent scratching of the antenna pattern formed on the protrusion when at least a part of the protrusion is inserted into the groove, .

Description

[0001] MOLD FOR WIRELESS COMMUNICATION DEVICE CASE AND ANTENNA CARRIER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication device case mold and an antenna carrier, and more particularly, to a wireless communication device case mold and an antenna carrier for preventing damage to an antenna pattern.

Wireless communication devices such as mobile phones, PDAs, navigation systems, and notebook computers that support wireless communication are indispensable devices in modern society. 2. Description of the Related Art [0002] Wireless communication devices have been developed to include functions of CDMA, wireless LAN, GSM, DMB, etc. An antenna for realizing such functions is a component that must be provided in a wireless communication device.

The antenna is provided in the form of a module in the wireless communication device. The antenna pattern included in the antenna module may be located inside the antenna module and may be formed by a laser direct structuring (LDS) method. To this end, the antenna module is completed by forming an antenna pattern on the surface of an antenna carrier formed through a primary injection molding process, inserting the antenna pattern into a mold, and covering the antenna pattern by secondary injection molding .

However, since the antenna pattern formed by the LDS method has a high risk of causing physical damage due to an external impact, the antenna pattern is damaged during the process of inserting the antenna carrier into the mold for the secondary injection molding, Of the total number of cases. Particularly, when physical damage such as scratching occurs in the terminal portion (feeding end or grounding end) of the antenna pattern, it leads to failure of the antenna module and the wireless communication device.

Patent Document 1: Korean Patent No. 10-1353946 (Apr. 21, 2014)

Embodiments of the present invention relate to a wireless communication device case mold and an antenna carrier that prevent an antenna pattern from being damaged when an antenna carrier is inserted into a mold for secondary injection.

According to exemplary embodiments of the present invention, there is provided an antenna device including: a base portion on which an antenna pattern is formed; a protrusion protruding from the base portion to extend the antenna pattern; and a rib extending from the side portion of the protrusion in a protruding direction of the protrusion ribs, comprising: a groove portion into which at least a portion of the protrusion is inserted; And a guide groove formed on an inner surface of the groove to guide the position of the projection so as to prevent scratching of the antenna pattern formed on the protrusion when at least a part of the protrusion is inserted into the groove, A case for a wireless communication device case is provided.

The grooves may be formed by abutting a plurality of surfaces so as to correspond to shapes of the protrusions to be inserted.

The portion where the plurality of surfaces of the groove portion abut can be curved so as to prevent scratching of the antenna pattern formed on the projection portion when at least a portion of the projection portion is inserted into the groove portion.

The guide groove may be formed to extend in the protruding direction of the protrusion at the inner surface of the groove so that at least a portion of the protrusion can receive at least a part of the rib in the process of being inserted into the groove.

The guide groove may be formed to extend from the bottom surface of the groove portion by a predetermined length in the protruding direction of the protrusion.

The width of the guide groove may be reduced as the protruding direction of the protruding portion increases.

The wireless communication device case mold is adjacent to the groove portion, and when at least a portion of the protrusion is inserted into the groove portion, the wireless communication device case mold is spaced a predetermined distance from the base portion, And may further include a spacing portion for providing space.

According to another exemplary embodiment of the present invention, there is provided an antenna carrier, which is inserted into a case mold of a wireless communication device including a groove portion and a guide groove formed on an inner side surface and a bottom surface of the groove portion, A base portion; A protrusion protruding from the base portion to extend the antenna pattern, at least a portion of which is inserted into the groove portion; And a protrusion extending from the side surface of the protrusion in a protruding direction of the protrusion, the protrusion being in contact with the guide groove so as to prevent scratching of the antenna pattern formed on the protrusion when at least a part of the protrusion is inserted into the groove, And a rib for guiding the position of the antenna.

The ribs may be reduced in width in the projecting direction of the projections.

The rib may be formed so as to protrude by a predetermined length toward the protruding direction side from the height of the antenna pattern formed on the protruding direction side surface of the protruding portion.

The antenna pattern may be formed by plating a metal material on a region irradiated with a laser beam and irradiating at least one surface of each of the base portion and the protruding portion.

The antenna pattern may include at least one of a main antenna for transmitting and receiving, an LTE antenna, a GPS antenna, a Bluetooth antenna, a sub antenna, and a wireless LAN antenna.

According to the embodiments of the present invention, it is possible to prevent physical damage such as scratching of the antenna pattern by guiding the position of the antenna carrier inserted in the case mold of the wireless communication device through the rib and the guide groove. Particularly, according to the embodiments of the present invention, it is possible to prevent the physical damage of the edge portion of the feeding end or the grounding end during the process of inserting the antenna carrier into the case mold of the wireless communication device, .

In addition, according to the embodiments of the present invention, the portions where the plurality of surfaces of the grooves formed in the case mold of the wireless communication device are brought into contact with each other are curved so that the antenna pattern is scratched during the insertion of the antenna carrier into the case mold of the wireless communication device And the like can be prevented.

1 shows an antenna carrier according to embodiments of the present invention;
2 is a view showing protrusions according to embodiments of the present invention
FIG. 3 is a side sectional view of the antenna carrier according to the embodiments of the present invention in a state in which the antenna carrier is inserted into the case mold of the wireless communication device.
4 is a plan view of a case mold of a wireless communication device according to embodiments of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, this is an exemplary embodiment only and the present invention is not limited thereto.

In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and may be changed according to the intention or custom of the user, the operator, and the like. Therefore, the definition should be based on the contents throughout this specification.

The technical idea of the present invention is determined by the claims, and the following embodiments are merely a means for efficiently describing the technical idea of the present invention to a person having ordinary skill in the art to which the present invention belongs.

1 is a view of an antenna carrier 100 according to embodiments of the present invention. The antenna carrier 100 is a part for providing a base for forming an antenna pattern (not shown), and may be formed by an injection molding process. The antenna carrier 100 may be a part of the first molded product forming the case of the wireless communication device. 1, the antenna carrier 100 includes a base portion 102, a protrusion 104, and a rib 106. As shown in Fig.

The base portion 102 is formed to be adjacent to the protruding portion 104 as a portion where the antenna pattern is formed. Here, the antenna pattern may include at least one of a main antenna for transmitting and receiving, an LTE antenna, a GPS antenna, a Bluetooth antenna, a sub antenna, and a wireless LAN antenna. The protrusions 104 may protrude from the base portion 102 so that the base portion 102 and the protrusions 104 form a step.

The protruding portion 104 is a portion that is inserted into a case mold (not shown) of a wireless communication device to be described later, and is formed so as to protrude from the base portion 102. The antenna pattern formed on the base portion 102 may be formed on at least one surface of the protrusion 104. One end of the antenna pattern formed on the protrusion 104 may be electrically connected to a feeding part (not shown) or a ground plane (not shown) formed on the main board. That is, one end of the antenna pattern formed on the protrusion 104 may be singly fed or grounded. Accordingly, the feeding end or the grounding end of the antenna pattern is not covered by the resin during the secondary injection molding process and is exposed to the outside. As shown in FIG. 1, a plurality of protrusions 104 may be formed on the base portion 102, and one end of the antenna pattern formed on each protrusion 104 may be singly fed and grounded. However, the number of the protrusions 104 is not limited to this, and one feeding end and a grounding end may be formed on one of the protrusions 104.

Meanwhile, the antenna pattern described above can be formed by an LDS (Laser Direct Structuring) method. The LDS method is a method in which a plated thin film of copper (Cu), nickel (Ni), or the like is performed after laser processing (irradiation) on at least one surface of the surface of the antenna carrier 100, that is, the base portion 102 and the protruding portion 104 . The LDS method is a method of forming a rough surface in micrometers through selective processing of the antenna carrier 100 and performing plating by an anchoring phenomenon. As described above, the antenna pattern formed by the LDS method is vulnerable to thermal and physical impact, and is easily damaged even by a weak impact.

To this end, ribs 106 may be formed on the side surface of the protrusion 104 to prevent scratching of the antenna pattern. The side surface portion of the protrusion 104 may be adjacent to one surface of the protrusion 104 on which the antenna pattern is formed. The ribs 106 may extend in the projecting direction of the projections 104 at the side portions of the projections 104. As described later, the rib 106 guides the position of the protruding portion 104 in the process of being inserted into the case of the wireless communication device (not shown), thereby preventing the antenna pattern formed on the protruding portion 104 from being scratched can do. This will be described in detail later with reference to FIG. 2 and FIG.

FIG. 2 is a view illustrating protrusions 104 according to embodiments of the present invention. FIG. 3 is a cross-sectional view of the antenna carrier 100 according to the embodiment of the present invention, 4 is a plan view of a case 300 of a wireless communication device according to embodiments of the present invention. First, protrusions 104 according to embodiments of the present invention include a planar portion 202, an inclined portion 204, and a side portion 206.

The planar portion 202 is a portion where a feeding end or a grounding end is formed, and an antenna pattern 400 formed on the base portion 102 is extended. The flat portion 202 is inserted into the groove portion 302 of the case 300 of the wireless communication device.

The inclined portion 204 is formed to be inclined at a predetermined angle to connect the base portion 102 and the planar portion 202. The antenna pattern 400 formed on the base portion 102 is extended. A part of the slope part 204 is inserted into the groove part 302 of the wireless communication device case mold 300 together with the flat surface part 202. [

The side surface portion 206 is formed adjacent to the planar portion 202 and the inclined portion 204 where the antenna pattern 400 is formed. As described above, ribs 106 may be formed on the side surface portion 206. [ The ribs 106 may extend from the side surface portion 206 in the projecting direction of the protruding portion 104. At this time, the width of the rib 106 may be reduced as the protrusion 104 protrudes. Accordingly, the ribs 106 can be easily received (or inserted) into the guide grooves 304 formed on the inner side surface and the bottom surface of the groove portion 302. As shown in FIG. 2, the ribs 106 may be, for example, in the shape of a truncated cone. The guide groove 304 may have a shape corresponding to the shape of the rib 106. That is, the width of the ribs 106 and the guide grooves 304 decreases as the projection 104 protrudes. Therefore, as the protrusion 104 is inserted into the groove portion 302, the rib 106 is gradually fixed by the guide groove 304. The protruding portion 104 can be stably inserted into the groove portion 302 without being shaken and the antenna pattern 400 is guided by the rib 106 and the guide groove 304 so that the risk of physical damage . As described above, the antenna pattern 400 formed by the LDS method has a high risk of physical damage due to an external impact. However, according to the embodiments of the present invention, the frusto-conical rib 106 is stably inserted into the guide groove 304, so that the external impact transmitted to the antenna pattern 400 can be minimized. Meanwhile, the shape of the rib 106 is not limited thereto, and the rib 106 may have various shapes such as a cylindrical shape.

The rib 106 is formed so as to protrude by a predetermined length toward the protruding direction side of the protruding portion 104, that is, the height (or thickness) of the antenna pattern 400 formed on the flat surface portion 202, Can be extended. For example, the rib 106 may be formed to protrude by 0.1 mm toward the protruding direction side of the protrusion 104 than the height of the antenna pattern 400 formed on the flat surface portion 202. As shown in FIG. 3, the guide groove 304 may be formed to extend a predetermined length (for example, 0.1 mm) inside the bottom surface of the groove portion 302. The antenna pattern 400 formed on the flat surface portion 202 is formed on the bottom surface of the groove portion 302 when the rib 106 is fully accommodated in the guide groove 304 along the protruding direction of the protruding portion 104 And the resin is not injected between the flat surface portion 202 and the bottom surface of the groove portion 302. That is, even if the resin is injected between the flat portion 202 and the spacing portion 306, the antenna pattern 400 formed on the flat portion 202 is not covered by the resin. After the completion of the secondary injection molding, And may be electrically connected to the feeding portion or the grounding surface of the antenna.

Next, the wireless communication device case mold 300 according to the embodiments of the present invention includes a groove portion 302, a guide groove 304, and a spacing portion 306.

The groove portion 302 provides a space for at least a portion of the projection 104, that is, the flat portion 202, and a portion of the slope portion 204, to be inserted. The groove portion 302 is formed by abutting a plurality of surfaces to correspond to the shape of the projecting portion 104 to be inserted. When the shape of the protrusion 104, for example, the inclination angle of the inclined portion 204 is changed, the shape of the groove portion 302 may also be changed.

At this time, portions where the plurality of surfaces of the groove portion 302 abut (portions A and B in FIG. 3) are formed to be curved. In general, the groove portion of the case of the wireless communication device in which the antenna carrier is inserted is formed by a combination of a plurality of bent surfaces. Conventionally, during the process of inserting the antenna carrier into the case mold of the wireless communication device, physical damage such as scratching of the antenna pattern 400 by the bent portion of the groove frequently occurred. Accordingly, in the embodiments of the present invention, at least a part of the protrusion 104 is formed in the wireless communication device case mold 300 (part of FIG. 3) by making the portion where the plurality of surfaces of the groove portion 302 abut So that the antenna pattern 400 can be prevented from being scratched. In order to prevent the antenna pattern 400 from being scratched, the position of the curved portion may be varied depending on the shape of the groove 302, have.

The guide groove 304 is formed in the inner surface of the groove portion 302 and the projection portion 104 is formed so that at least a portion of the projection portion 104 (the flat portion 202 and a portion of the slope portion 204) It is possible to contact the rib 106 to guide the position of the protrusion 104 so as to prevent the antenna pattern 400 formed on the protrusion 104 from being scratched. As shown in FIG. 4, one or more guide grooves 304 may be formed on the inner surface of the groove 302. Although the guide grooves 304 are illustrated as being formed on opposite inner side surfaces of the groove portions 302, this is only one embodiment, and the position where the guide grooves 304 are formed corresponds to the number of the ribs 106 And the forming position. The guide groove 304 may extend in the protruding direction of the protrusion 104 at the inner side of the groove 302 to accommodate at least a portion of the rib 106 and may have a shape corresponding to the shape of the rib 106 ≪ / RTI > The guide groove 304 may be extended by a predetermined length (for example, 0.1 mm) in the protruding direction (inward of the bottom surface) of the protruding portion 104 from the bottom surface of the groove portion 302. The antenna pattern 400 formed on the flat surface portion 202 is formed on the bottom surface of the groove portion 302 when the rib 106 is fully accommodated in the guide groove 304 along the protruding direction of the protruding portion 104 And the resin is not injected between the flat surface portion 202 and the bottom surface of the groove portion 302. That is, even if resin is injected between the flat portion 202 and the spacing portion 306, the antenna pattern 400 formed on the flat portion 202 is not covered by the resin and is exposed to the outside after the completion of the secondary injection molding, And may be electrically connected to the feeding portion or the grounding surface of the antenna. The position of the protrusion 104 inserted in the case 300 of the wireless communication device is guided through the rib 106 and the guide groove 304 so that the antenna pattern 400 may be scratched Thereby preventing physical damage to the device. The rib 106 is received in the guide groove 304 in the process of inserting the antenna carrier 100 into the case 300 of the wireless communication device so that the flow of the antenna carrier 100 can be prevented. Particularly, according to the embodiments of the present invention, the antenna pattern 400 formed on the flat surface portion 202 during the process of inserting the protruding portion 304 into the case 300 of the wireless communication device, that is, It is possible to prevent physical damage to the edge portion of the antenna module, thereby preventing deterioration of transmission / reception efficiency of the antenna module.

The spacing portion 306 provides a space S for resin injection between the base portion 102 and the wireless communication device case mold 300. As shown in Figs. 3 and 4, the spacing portion 306 is formed adjacent to the groove portion 302. Fig. The spacers 306 may be, for example, planar, but are not limited thereto. When at least a portion of the protrusion 104 is inserted into the groove portion 302, the spacing portion 306 is spaced apart from the base portion 102 by a predetermined distance. Thereby, a space S for resin injection is formed, and resin for secondary injection is injected into this space. The flat portion 202 to be inserted into the groove portion 302 of the case 300 of the wireless communication device is in close contact with the groove portion 302 so that no resin is injected into the flat portion 202. When the resin is injected into the space S between the base portion 102 and the spacing portion 306 and the secondary injection is completed, a second injection molding (not shown) may be formed. Here, the second molded article may be a portion forming the outer surface of the antenna module, or may be a portion forming a case of the wireless communication device (for example, a back surface case of a smart phone). The antenna pattern 400 is positioned between the antenna carrier 100 and the second injection molding, i.e., inside the antenna module. At this time, the antenna pattern 400 inserted into the groove 302 of the case 300 of the wireless communication device and exposed to the outside after the secondary injection molding can function as a feeding end or a grounding end.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by equivalents to the appended claims, as well as the appended claims.

100: Antenna carrier
102: Base portion
104:
106: rib
202:
204:
206:
300: Case for wireless communication device case
302: Groove
304: Guide groove
306:
400: antenna pattern

Claims (12)

The antenna carrier includes a base portion on which an antenna pattern is formed, a protrusion protruding from the base portion to extend the antenna pattern, and a rib extending from a side portion of the protrusion portion in a protruding direction of the protrusion portion. A case mold for a wireless communication device,
A groove portion into which at least a portion of the protrusion is inserted; And
A guide groove formed on an inner surface of the groove to guide the position of the protrusion in contact with the rib so as to prevent scratching of the antenna pattern formed on the protrusion when at least a portion of the protrusion is inserted into the groove, Including,
The rib is formed so as to protrude by a predetermined length toward the protruding direction side from the height of the antenna pattern formed on the protruding direction side surface of the protruding portion,
The guide groove is formed in the protruding direction of the protrusion at the inner surface of the groove so as to accommodate at least a part of the rib in the process of inserting at least a part of the protrusion into the groove, And is formed to extend by a predetermined length in the protruding direction of the protruding portion.
The method according to claim 1,
Wherein the groove portion is formed by abutting a plurality of surfaces so as to correspond to shapes of the protrusions to be inserted.
The method of claim 2,
Wherein a portion of the groove portion where the plurality of surfaces abuts is curved so as to prevent scratching of the antenna pattern formed on the protrusion when at least a portion of the protrusion is inserted into the groove portion.
delete delete The method according to claim 1,
Wherein the guide groove is reduced in width in a protruding direction of the protrusion.
The method according to claim 1,
And a spacing portion adjacent to the groove portion and spaced apart from the base portion by at least a portion of the protrusion when inserted into the groove portion to provide a space for resin injection between the base portion and the case of the wireless communication device Wireless communication device case mold.
An antenna carrier insertable into a case mold of a wireless communication device including a groove portion and having a guide groove formed on an inner side surface and a bottom surface of the groove portion,
A base portion on which an antenna pattern is formed;
A protrusion protruding from the base portion to extend the antenna pattern, at least a portion of which is inserted into the groove portion; And
Wherein the protruding portion is formed to extend in a protruding direction of the protruding portion at a side surface portion of the protruding portion and is in contact with the guide groove so as to prevent scratching of the antenna pattern formed on the protruding portion when at least a portion of the protruding portion is inserted into the groove portion, And a rib for guiding the position,
Wherein the rib is formed so as to protrude by a predetermined length toward the protruding direction side than the height of the antenna pattern formed on the protruding direction side surface of the protruding portion.
The method of claim 8,
Wherein the ribs are reduced in width in the projecting direction of the projections.
delete The method of claim 8,
Wherein the antenna pattern is formed by plating a metal material on a region irradiated with a laser beam and irradiating at least one surface of each of the base portion and the protrusion portion.
The method of claim 8,
Wherein the antenna pattern includes at least one of a main antenna for transmitting and receiving, an LTE antenna, a GPS antenna, a Bluetooth antenna, a sub antenna, and a wireless LAN antenna.
KR1020140046179A 2014-04-17 2014-04-17 Mold for wireless communication device case and antenna carrier KR101477586B1 (en)

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KR1020140046179A KR101477586B1 (en) 2014-04-17 2014-04-17 Mold for wireless communication device case and antenna carrier
PCT/KR2015/003838 WO2015160202A1 (en) 2014-04-17 2015-04-16 Wireless communication device case mold and antenna carrier

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101053336B1 (en) * 2010-03-15 2011-08-01 삼성전기주식회사 Antenna pattern frame, case of electronic device and mould for manufacturing the same
KR20110097414A (en) * 2010-02-25 2011-08-31 삼성전기주식회사 Antenna pattern frame, case of electronic device and mould for manufacturing the same
KR20130105562A (en) * 2013-05-21 2013-09-25 대산전자(주) Manufacturing method of wireless mobile built-in antenna case or cover and its mold
KR20130134111A (en) * 2012-05-30 2013-12-10 삼성전기주식회사 Antenna pattern frame for maunfacturing case of electronic device and case of electronic device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101177519B1 (en) * 2011-05-30 2012-08-27 (주)파트론 Antenna structure and method for fabricating the wireless antenna comprising the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110097414A (en) * 2010-02-25 2011-08-31 삼성전기주식회사 Antenna pattern frame, case of electronic device and mould for manufacturing the same
KR101053336B1 (en) * 2010-03-15 2011-08-01 삼성전기주식회사 Antenna pattern frame, case of electronic device and mould for manufacturing the same
KR20130134111A (en) * 2012-05-30 2013-12-10 삼성전기주식회사 Antenna pattern frame for maunfacturing case of electronic device and case of electronic device
KR20130105562A (en) * 2013-05-21 2013-09-25 대산전자(주) Manufacturing method of wireless mobile built-in antenna case or cover and its mold

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