WO2013035932A1 - Procédé de fabrication d'une antenne sans fil - Google Patents

Procédé de fabrication d'une antenne sans fil Download PDF

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Publication number
WO2013035932A1
WO2013035932A1 PCT/KR2011/008285 KR2011008285W WO2013035932A1 WO 2013035932 A1 WO2013035932 A1 WO 2013035932A1 KR 2011008285 W KR2011008285 W KR 2011008285W WO 2013035932 A1 WO2013035932 A1 WO 2013035932A1
Authority
WO
WIPO (PCT)
Prior art keywords
case
base
antenna
forming
injection molding
Prior art date
Application number
PCT/KR2011/008285
Other languages
English (en)
Inventor
Byoung-Jun Yim
Duck-Hyun Kim
Jin-Seok YUN
Original Assignee
Partron Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Partron Co., Ltd. filed Critical Partron Co., Ltd.
Publication of WO2013035932A1 publication Critical patent/WO2013035932A1/fr

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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
    • H01Q1/12—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
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • the present invention relates to a method for fabricating a wireless antenna.
  • the wireless antennas may be largely divided into an external antenna provided on the outside of the wireless communication device, an internal antenna provided on the inside of the wireless communication device, and an in-mold antenna provided on the inside of a case of the wireless communication device.
  • the present invention provides a method for fabricating a wireless antenna capable of facilitating formation of an antenna pattern and providing a wireless antenna having excellent bandwidth characteristics.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by injection molding; and forming an antenna pattern on an outer surface of the base.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by double injection molding or insert injection molding; forming an antenna region on an outer surface of the base by using a laser; forming an antenna pattern by performing a plating process on the antenna region; and coating the antenna pattern to have a thickness of 5 to 100 ⁇ m, wherein the base is formed of laser-sensitive resin, and a ratio of glass fiber to a material forming the case may ranges from 5 to 50%, and a ratio of polycarbonate to the material forming the case ranges from 50 to 95%.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by double injection molding or insert injection molding; forming an antenna pattern by printing conductive ink on an outer surface of the base; and coating the antenna pattern to have a thickness of 5 to 100 ⁇ m, wherein the base includes no glass fiber, and a ratio of glass fiber to a material forming the case may ranges from 5 to 50%, and a ratio of polycarbonate to the material forming the case ranges from 50 to 95%.
  • the case included in the wireless antenna may include a predetermined ratio of glass fiber. Accordingly, it is possible to increase the stiffness of the case to a maximum level while maintaining the shape of the case.
  • the base included in the wireless antenna may be formed of laser-sensitive resin. Since the laser-sensitive resin can be easily patterned by a laser, there is an advantage of easily forming antenna patterns on the outer surface of the base.
  • the antenna patterns exposed to the outside are coated. Accordingly, it is possible to minimize an external influence on the antenna patterns, thereby ensuring reliability of the wireless antenna.
  • the wireless antenna can be fabricated to have more excellent bandwidth characteristics by forming the antenna patterns on the outer surface of the base.
  • FIG. 1 is a flowchart showing a method for fabricating a wireless antenna in accordance with the embodiment of the present invention
  • FIG. 2 is a perspective view showing a wireless antenna fabricated by the method for fabricating a wireless antenna in accordance with the embodiment of the present invention
  • FIG. 3 is a plan view showing the wireless antenna as seen in direction A of FIG. 2.
  • FIG. 4 is a flowchart showing a method for fabricating a wireless antenna in accordance with another embodiment of the present invention.
  • FIG. 5 is a flowchart showing a method for fabricating a wireless antenna in accordance with still another embodiment of the present invention.
  • FIG. 6 is a perspective view showing a wireless antenna fabricated by the method for fabricating a wireless antenna in accordance with still another embodiment of the present invention.
  • FIG. 7 is a plan view showing the wireless antenna as seen in direction B of FIG. 6;
  • FIGS. 8 and 9 are graphs showing the bandwidth characteristics of the wireless antenna in accordance with the embodiments of the present invention.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by injection molding; and forming an antenna pattern on an outer surface of the base.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by double injection molding or insert injection molding; forming an antenna region on an outer surface of the base by using a laser; forming an antenna pattern by performing a plating process on the antenna region; and coating the antenna pattern to have a thickness of 5 to 100 ⁇ m, wherein the base is formed of laser-sensitive resin, and a ratio of glass fiber to a material forming the case may ranges from 5 to 50%, and a ratio of polycarbonate to the material forming the case ranges from 50 to 95%.
  • a method for fabricating a wireless antenna comprising: forming a base on an outer surface of a case by double injection molding or insert injection molding; forming an antenna pattern by printing conductive ink on an outer surface of the base; and coating the antenna pattern to have a thickness of 5 to 100 ⁇ m, wherein the base includes no glass fiber, and a ratio of glass fiber to a material forming the case may ranges from 5 to 50%, and a ratio of polycarbonate to the material forming the case ranges from 50 to 95%.
  • FIGS. 1 to 3 a method for fabricating a wireless antenna in accordance with an embodiment of the present invention will be described with reference to FIGS. 1 to 3.
  • FIG. 1 is a flowchart showing a method for fabricating a wireless antenna in accordance with the embodiment of the present invention.
  • FIG. 2 is a perspective view showing a wireless antenna fabricated by the method for fabricating a wireless antenna in accordance with the embodiment of the present invention.
  • FIG. 3 is a plan view showing the wireless antenna as seen in direction A of FIG. 2.
  • a base is formed on an outer surface of a case by injection molding (S100).
  • double injection molding and insert injection molding may be used as the injection molding.
  • fabrication method in accordance with the embodiment of the present invention will be described below using the double injection molding and the insert injection molding as an example, it is merely exemplary, and various modifications can be made.
  • the case 100 is formed by first injection molding.
  • the case 100 may be fabricated using resin including glass fiber.
  • the case 100 may include glass fiber to improve the stiffness of the case 100.
  • a ratio of the glass fiber to a material forming the case 100 may be equal to or smaller than 50%.
  • a ratio of the glass fiber included in the case 100 may be equal to or smaller than 50%, it is possible to increase the stiffness of the case 100 to a maximum level while maintaining the shape of the case 100.
  • the case 100 may further include polycarbonate (PC) in addition to the glass fiber.
  • PC polycarbonate
  • a ratio of the glass fiber forming the case 100 may range from 5 to 50%, and a ratio of the polycarbonate forming the case 100 may range from 50 to 95%.
  • the base 200 is formed on the outer surface of the case 100 by second injection molding in which the first injection-molded case 100 is loaded in a mold including a region for formation of the base 200 and resin is injected into a remaining space.
  • the outer surface of the case 100 may mean the surface of the case 100 exposed to the outside when the case 100 is viewed from the outside.
  • the resin forming the base 200 may be laser-sensitive resin.
  • the laser-sensitive resin can be easily patterned by a laser, there is an advantage of easily forming antenna patterns 201 and 220 in accordance with the embodiment of the present invention.
  • the base 200 can be formed on the outer surface of the case 100 by double injection molding including first injection molding for forming the case 100 and second injection molding in which laser-sensitive resin is injection-molded on the outer surface of the case 100 using a remaining space of the mold.
  • the base 200 is formed by first injection molding.
  • a material forming the base 200 and the like may be the same as those of the above-described double injection molding.
  • the base 200 is formed on the outer surface of the case 100 by second injection molding in which the first injection-molded base 200 is loaded in a mold including a region for formation of the case 100 and resin is injected into a remaining space.
  • the resin injected to form the case 100 may be the same as that of the above-described double injection molding.
  • an antenna region is formed on the surface of the base by using a laser (S110).
  • the antenna region is formed by irradiating laser light on the outer surface of the base 200 formed on the outer surface of the case 100.
  • the outer surface of the base 200 may mean the surface of the base 200 exposed to the outside when the base 200 is viewed from the outside. That is, the surface at which the case 100 is in contact with the base 200 may be referred to as the inner surface, and the opposite surface may be referred to as the outer surface.
  • the antenna region formed by a laser may be variously formed without being limited to that of FIG. 2.
  • antenna patterns are formed by performing a plating process on the antenna region (S120).
  • a first antenna pattern 210 and a second antenna pattern 220 may be respectively formed by performing an electroless plating process on a first antenna region and a second antenna region formed by a laser in the previous step.
  • the first and second antenna patterns 210 and 220 may be formed by, e.g., Cu plating, Ni plating or the like, but the present invention is not limited thereto.
  • the antenna patterns 210 and 220 may include the first antenna pattern 210 for transmitting and receiving a signal of a first frequency band and the second antenna pattern 220 for transmitting and receiving a signal of a second frequency band.
  • a plurality of the antenna patterns 210 and 220 for transmitting and receiving signals of different frequency bands may be formed on the base 200.
  • the antenna patterns 210 and 220 may include terminal portions 215 and 225 which are bent and fixed to the inner surface of the case 100 through terminal holes 115 and 125 of the case 100 such that the antenna patterns 210 and 220 can be electrically connected to the inner side of the case 100.
  • the terminal portions 215 and 225 formed on the inner surface of the case 100 may serve to electrically connect the antenna patterns 210 and 220 with a circuit board (not shown) and the like to be mounted on the inside of the case 100.
  • the antenna patterns exposed to the outside are coated (S130).
  • the antenna patterns 210 and 220 exposed to the outside are coated with ink used for plastic surface treatment, a rubber material, a plastic material including urethane.
  • the coating thickness may be, e.g., 5 to 100 ⁇ m, but the present invention is not limited thereto.
  • the antenna patterns 210 and 220 By coating the antenna patterns 210 and 220 exposed to the outside, it is possible to minimize damage to the antenna patterns 210 and 220 due to an external impact or corrosion of the antenna patterns 210 and 220 due to an external environment. Accordingly, it is possible to minimize an external influence on the antenna patterns 210 and 220, thereby ensuring reliability of the wireless antenna.
  • FIG. 4 is a flowchart showing a method for fabricating a wireless antenna in accordance with another embodiment of the present invention.
  • a base is formed on an outer surface of a case by injection molding (S200).
  • injection molding S200
  • double injection molding and insert injection molding may be used as the injection molding. Since the respective injection molding processes have been described above, a description thereof will be omitted.
  • resin forming the base 200 may not include glass fiber.
  • the case 100 includes a predetermined ratio of glass fiber in the same way as the above-described embodiment, but the base 200 of this embodiment may not include glass fiber.
  • the antenna patterns are formed on the outer surface of the base by a printing method (S210).
  • the antenna patterns 210 and 220 may be formed on the outer surface of the base 200 by a printing method using conductive ink containing Cu or Ag and the like.
  • the antenna patterns exposed to the outside are coated (S220).
  • FIG. 5 is a flowchart showing a method for fabricating a wireless antenna in accordance with still another embodiment of the present invention.
  • FIG. 6 is a perspective view showing a wireless antenna fabricated by the method for fabricating a wireless antenna in accordance with still another embodiment of the present invention.
  • FIG. 7 is a plan view showing the wireless antenna as seen in direction B of FIG. 6. Since the configuration of this embodiment is basically the same as that of the above embodiments, a repeated description is omitted, and a description will be given focusing on the differences.
  • a base, terminal portions and a case are formed by injection molding (S300).
  • the base 200 is formed on the outer surface of the case 100 by the same injection molding method as in the above embodiment.
  • this embodiment in different from the above embodiment is that it does not include the terminal portions extending from the base 200 to pass through the terminal holes 115 and 125. That is, when the base 200 is formed on the outer surface of the case 100, the terminal holes 115 and 125 of the case 100 are empty while the base 200 does not pass through the terminal holes 115 and 125.
  • terminal portions 217 and 227 passing through the terminal holes 115 and 125 of the case 100 are separately formed by injection molding.
  • the separate terminal portions 217 and 227 of this embodiment may be formed of, e.g., metal (more particularly, metal rods or the like).
  • the terminal portions 217 and 227 may serve to electrically connect the antenna patterns 210 and 220 with the inside of the case 100 (more particularly, a circuit board (not shown) and the like to be mounted on the inside of the case 100).
  • an antenna region is formed on the outer surface of the base by using a laser (S310).
  • antenna patterns are formed by performing a plating process on the antenna region (S320), and the antenna patterns exposed to the outside are coated (S330). Since these steps are the same as those of the above embodiment, a detailed description thereof is omitted.
  • FIGS. 8 and 9 are graphs showing the bandwidth characteristics of the wireless antenna in accordance with the embodiments of the present invention.
  • FIG. 8 is a graph showing the bandwidth characteristics of a wireless antenna in which the antenna patterns 210 and 220 are not formed on the outer surface of the base 200 in a different way from the embodiments of the present invention.
  • the band of the first antenna pattern 210 ranges from 655 MHz to 760 MHz to have a bandwidth of about 150 MHz
  • the band of the second antenna pattern 220 ranges from 1794 MHz to 2170 MHz to have a bandwidth of about 396 MHz.
  • FIG. 9 is a graph showing the bandwidth characteristics of a wireless antenna in which the antenna patterns 210 and 220 are formed on the outer surface of the base 200 as in the embodiments of the present invention.
  • the band of the first antenna pattern 210 ranges from 640 MHz to 800 MHz to have a bandwidth of about 160 MHz
  • the band of the second antenna pattern 220 ranges from 1694 MHz to 2187 MHz to have a bandwidth of about 493 MHz.
  • the bandwidth characteristics are better and the performance of the wireless antenna becomes more excellent in a case where the antenna patterns 210 and 220 are formed on the outer surface of the base 200 as in the embodiments of the present invention.
  • the case included in the wireless antenna may include a predetermined ratio of glass fiber. Accordingly, it is possible to increase the stiffness of the case to a maximum level while maintaining the shape of the case.
  • the base included in the wireless antenna may be formed of laser-sensitive resin. Since the laser-sensitive resin can be easily patterned by a laser, there is an advantage of easily forming antenna patterns on the outer surface of the base.
  • the antenna patterns exposed to the outside are coated. Accordingly, it is possible to minimize an external influence on the antenna patterns, thereby ensuring reliability of the wireless antenna.
  • the wireless antenna can be fabricated to have more excellent bandwidth characteristics by forming the antenna patterns on the outer surface of the base.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une antenne sans fil. Le procédé comprend les étapes suivantes : formation d'une base sur une surface extérieure d'un boîtier par moulage par injection ; et formation d'un motif d'antenne sur une surface extérieure de la base.
PCT/KR2011/008285 2011-09-09 2011-11-02 Procédé de fabrication d'une antenne sans fil WO2013035932A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0092126 2011-09-09
KR1020110092126A KR101137988B1 (ko) 2011-09-09 2011-09-09 무선 안테나의 제조 방법

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WO2013035932A1 true WO2013035932A1 (fr) 2013-03-14

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WO (1) WO2013035932A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10461400B2 (en) 2015-09-23 2019-10-29 Samsung Electronics Co., Ltd Housing including antenna, manufacturing method of housing, and electronic device having housing

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101448256B1 (ko) 2013-01-08 2014-10-07 엘에스엠트론 주식회사 안테나의 제조 방법
KR101580296B1 (ko) * 2014-04-04 2015-12-28 (주)파트론 안테나 패턴이 형성된 사출물 및 그 제조 방법
KR20160012747A (ko) 2014-07-25 2016-02-03 (주)형제비에이테크 인테나 도장공정용 지그 및 이러한 지그를 이용한 인테나 도장방법
KR20220109615A (ko) * 2021-01-29 2022-08-05 삼성전자주식회사 하우징을 포함하는 전자 장치 및 상기 하우징의 제조 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840514B1 (ko) * 2006-10-10 2008-06-23 주식회사 이엠따블유안테나 안테나 모듈, 이의 형성방법 및 이를 포함하는 무선 통신단말기
KR100849805B1 (ko) * 2007-02-02 2008-07-31 삼성전기주식회사 내장형 안테나 및 내장형 안테나 제조방법
KR101029237B1 (ko) * 2010-08-02 2011-04-18 (주)엘이디팩 케이스 일체형 안테나 제조 방법
KR20110095730A (ko) * 2010-02-19 2011-08-25 엘지전자 주식회사 휴대 단말기용 안테나의 제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100840514B1 (ko) * 2006-10-10 2008-06-23 주식회사 이엠따블유안테나 안테나 모듈, 이의 형성방법 및 이를 포함하는 무선 통신단말기
KR100849805B1 (ko) * 2007-02-02 2008-07-31 삼성전기주식회사 내장형 안테나 및 내장형 안테나 제조방법
KR20110095730A (ko) * 2010-02-19 2011-08-25 엘지전자 주식회사 휴대 단말기용 안테나의 제조방법
KR101029237B1 (ko) * 2010-08-02 2011-04-18 (주)엘이디팩 케이스 일체형 안테나 제조 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10461400B2 (en) 2015-09-23 2019-10-29 Samsung Electronics Co., Ltd Housing including antenna, manufacturing method of housing, and electronic device having housing

Also Published As

Publication number Publication date
KR101137988B1 (ko) 2012-04-20

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