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WO2020200465A1 - Procédé de fabrication d'un élément d'antenne - Google Patents

Procédé de fabrication d'un élément d'antenne Download PDF

Info

Publication number
WO2020200465A1
WO2020200465A1 PCT/EP2019/058547 EP2019058547W WO2020200465A1 WO 2020200465 A1 WO2020200465 A1 WO 2020200465A1 EP 2019058547 W EP2019058547 W EP 2019058547W WO 2020200465 A1 WO2020200465 A1 WO 2020200465A1
Authority
WO
WIPO (PCT)
Prior art keywords
pliable substrate
pliable
substrate
conductive structure
antenna element
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2019/058547
Other languages
English (en)
Inventor
Dieter Zierhut
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/EP2019/058547 priority Critical patent/WO2020200465A1/fr
Publication of WO2020200465A1 publication Critical patent/WO2020200465A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
    • 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
    • H01Q9/06—Details
    • H01Q9/065—Microstrip dipole antennas
    • 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • 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
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • 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
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/052—Branched
    • 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
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/053—Tails
    • 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
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/055—Folded back on itself
    • 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
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/058—Direct connection between two or more FPCs or between flexible parts of rigid PCBs
    • 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
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas

Definitions

  • the present disclosure relates to equipment for wireless communication systems. More specifically, the disclosure relates to a method for manufacturing an antenna element of an antenna for a base station for wireless communication in a communication network, in particular a 5G communication network.
  • Antennas for base stations used in mobile communication networks are often array antennas, comprising several antenna elements in the form of dipoles (also referred to as radiators).
  • the radiators may be arranged, for example, in a cross configuration in order to generate a +45°and -45° polarization.
  • There are various techniques for manufacturing such radiators It is known, for instance, to use die casted radiators in combination with additional plastic parts.
  • etched planar radiators which consist of several planar substrates (PCBs) and additional plastic parts (sometimes, although less often injection moulded plastic parts with metallized lines thereon).
  • radiators i.e. dipoles for antennas for wireless communication in a communication network
  • manufacturing steps comprise, for instance, alignment of the different radiator parts, soldering the different radiator parts together for providing electrical contact and adding, i.e. attaching additional plastic parts for providing better mechanical stability or electrical performance (also known as matching and pattern correction).
  • a dipole As a radiator for an antenna for wireless communication in a communication network usually is made up from several parts, the costs for assembling the radiator make a substantial contribution to the overall manufacturing costs for an antenna. Moreover, the reliability of an antenna in the field can be negatively impacted by a complex structure of the antenna and/or a complex manufacturing process of the antenna.
  • a dipole In order to provide a light-weight dipole with as few parts as possible in a cost-efficient manner, a dipole is often made of one or more plastic support bodies having complex 3D shapes, wherein the radiator lines and feed lines are metallized structures on the one or more plastic support bodies.
  • Figures 1 a and 1 b show perspective views of a dipole 100 comprising a plastic support body 101 with a plurality of metallized lines 103 provided on a surface thereof.
  • plastic parts for an antenna element is limited with respect to creating complex dipole shapes because of the limitations of plating processes and limitations of creating plastic parts with injection moulding or deep drawing. Under these circumstances special applications are usually necessary, such as bonding different plastic parts and then plating over different materials. Further limitations are due to areas of the dipole, which cannot be accessed by metallizing equipment.
  • the invention relates to a method for manufacturing an antenna element having a desired shape, wherein the antenna element is configured to transmit and/or receive an RF signal.
  • the method comprises the steps of: providing a pliable substrate, wherein the pliable substrate has a conductive structure formed thereon; folding the pliable substrate into a folded configuration; and fastening the pliable substrate in the folded configuration to a rigid support for providing the antenna element having the desired shape.
  • the rigid support provides both shape and stability to the pliable substrate to keep it in the desired shape and, furthermore, can act as a dielectric, if desired.
  • the conductive structure comprises one or more feed lines and/or one or more radiators.
  • Each radiator may comprise a dipole.
  • the one or more feed lines may be connected to a transmitter or receiver.
  • the pliable substrate and the conductive structure together prior to being folded have a flat shape.
  • the pliable substrate can be provided using a cost-efficient manufacturing process.
  • the pliable substrate prior to being folded has a planar surface on which the conductive structure is arranged.
  • the method comprises forming the conductive structure on the substrate by one or more of the following processes: plasma coating, jet printing, applying a conductive ink, applying a conductive paste.
  • the method comprises forming the conductive structure on the pliable substrate by placing a metal foil on the substrate and by removing parts of the metal foil, for instance, by etching or punching.
  • the conductive structure can be provided on the pliable substrate using a cost- efficient manufacturing process.
  • the pliable substrate is or comprises a pliable sheet.
  • the pliable substrate can be provided using a cost- efficient manufacturing process.
  • the pliable substrate consists of or comprises a pliable dielectric material, e.g. a pliable plastic.
  • the pliable substrate can act as a dielectric within the antenna element having the desired shape.
  • the rigid support comprises or consists of a rigid dielectric material, e.g. a rigid plastic.
  • the rigid support can act as a dielectric within the antenna element having the desired shape.
  • folding the pliable substrate comprises folding the pliable substrate around at least a portion of the rigid support.
  • the rigid support may be located at least partially between different planar portions of the folded substrate.
  • the rigid support located between different planar portions of the substrate can act as a dielectric between the different planar portions of the substrate.
  • fastening the pliable substrate in the folded configuration to the rigid support comprises a bonding process or a form closure process.
  • the pliable substrate is a first pliable substrate and the method comprises the further steps of: providing a second pliable substrate, the second pliable substrate having a conductive structure formed thereon; folding the second pliable substrate into a folded configuration; and fastening the second pliable substrate in the folded configuration to the rigid support.
  • the invention relates to an antenna element provided by a manufacturing method according to the first aspect of the invention.
  • the invention relates to an antenna comprising a plurality of antenna elements, wherein each antenna element of the antenna is provided by a manufacturing method according to the first aspect of the invention.
  • Figs. 1 a and 1 b are perspective views of a conventional antenna element
  • Figs. 2a-d are perspective views of an antenna element being manufactured according to a manufacturing method according to an embodiment of the invention
  • Fig. 3 is a flow diagram illustrating steps of a method for manufacturing an antenna element according to an embodiment of the invention.
  • Figs. 4a-e are perspective views of an antenna element being manufactured according to a manufacturing method according to a further embodiment of the invention.
  • a disclosure in connection with a described method may also hold true for a corresponding device or system configured to perform the method and vice versa.
  • a corresponding device may include one or a plurality of units, e.g. functional units, to perform the described one or plurality of method steps (e.g. one unit performing the one or plurality of steps, or a plurality of units each performing one or more of the plurality of steps), even if such one or more units are not explicitly described or illustrated in the figures.
  • a specific apparatus is described based on one or a plurality of units, e.g.
  • a corresponding method may include one step to perform the functionality of the one or plurality of units (e.g. one step performing the functionality of the one or plurality of units, or a plurality of steps each performing the functionality of one or more of the plurality of units), even if such one or plurality of steps are not explicitly described or illustrated in the figures. Further, it is understood that the features of the various exemplary embodiments and/or aspects described herein may be combined with each other, unless specifically noted otherwise.
  • Figures 2a-e show perspective views of an antenna element 200 (or components thereof) being manufactured according to a manufacturing method according to an embodiment of the invention.
  • the manufactured antenna element 200 which can be a component of a larger antenna or antenna array, is configured to transmit and/or receive an RF signal.
  • a pliable substrate 201 is provided with a conductive structure formed thereon.
  • the conductive structure may comprise one or more feed lines 203a and one or more radiators 203b.
  • Each radiator 203b may comprise or define a dipole.
  • the one or more feed lines 203a may be connected to a transmitter or receiver circuitry.
  • the pliable substrate 201 and the conductive structure may both have a substantially flat shape.
  • the pliable substrate 201 is a pliable sheet and defines a planar surface on which the conductive structure, e.g. the one or more feed lines 203a and/or the one or more radiators 203b, is arranged.
  • the substrate 201 may consist of or comprise a pliable dielectric material, such as a pliable dielectric plastic material.
  • the one or more feed lines 203a and/or the one or more radiators 203b can be formed on the pliable substrate 201 by one or more of the following processes: plasma coating, jet printing, applying a conductive ink and/or applying a conductive paste.
  • the one or more feed lines 203a and/or the one or more radiators 203b can be formed on the pliable substrate 201 by arranging a metal foil on the substrate 201 and removing parts of the metal foil, e.g., by means of an etching or punching process.
  • the pliable substrate 201 is folded into a folded configuration having a desired shape.
  • the folding of the pliable substrate 201 into the desired shape can comprise folding the substrate 201 around a rigid support.
  • the rigid support can be a single part or comprise at least two rigid support elements.
  • a support having two such rigid support elements 21 1 a,b is illustrated in figure 2c.
  • more than two or only one rigid support element can provide the rigid support.
  • the rigid support elements 21 1 a,b are located at least partially between different planar portions of the folded substrate 201 and can act as a dielectric between the different planar portions of the substrate 201 .
  • the support or support elements 21 1 a-c can comprise or consists of a rigid dielectric material, e.g. a rigid plastic material.
  • the pliable substrate 201 is fastened in the folded configuration to the rigid support elements 21 1 a,b for providing the antenna element 200 having a desired shape and the required stability, as illustrated in figure 2d.
  • fastening the pliable substrate 201 in the folded configuration to the rigid support elements 21 1 a,b can comprises a bonding process or a form closure.
  • one or more holes 202 may be provided in the pliable substrate 201 , as illustrated in figures 2a-c, wherein the holes 202 are
  • the hole 202 illustrated in figure 2c is dimensioned and arranged to receive the alignment pin 212 provided on the edge of the rigid support element 21 1 a.
  • Figure 3 is a flow diagram illustrating the steps of a method 300 for manufacturing the antenna element 200 according to an embodiment of the invention.
  • the method 300 comprises the steps of: providing 301 the pliable substrate 201 , wherein the pliable substrate 201 has the conductive structure 203a, b formed thereon; folding 303 the pliable substrate 201 into a folded configuration; and fastening 305 the pliable substrate 201 in the folded configuration to the rigid support 21 1 a-c for providing the antenna element 200 having the desired shape.
  • Figures 4a-e show perspective views of an antenna element 200 (or components thereof) being manufactured according to a manufacturing method according to a further embodiment of the invention.
  • FIGs 4a-e show perspective views of an antenna element 200 (or components thereof) being manufactured according to a manufacturing method according to a further embodiment of the invention.
  • the different stages of the manufacturing method illustrated in figures 4a-e are mostly identical or very similar to the stages of the manufacturing method illustrated in figures 2a-e, in the following only the differences between the embodiments shown in figures 2a-e and figures 4a-e will be described in more detail.
  • the antenna element 200 comprises a first pliable substrate 201 having a conductive structure, in particular one or more feed lines 203a and/or one or more radiators 203b, formed thereon and a second pliable substrate 401 having a conductive structure 403, in particular one or more feed lines 403 formed thereon.
  • both the first pliable substrate 201 and the second pliable substrate 401 are folded into a folded configuration and fastened in the folded configuration to the rigid support for providing the antenna element 200 with the desired shape and stability.
  • the first pliable substrate 201 is fastened in the folded configuration to the support element 21 1 a and the second pliable substrate 401 is fastened in the folded configuration to the support elements 21 1 b and 21 1 c.
  • the support elements 21 1 b are provided by planar dielectric plastic parts and the support element 21 1 c can define a ground potential.
  • embodiments of the invention allow providing antenna elements with dipoles or dipole configurations and/or all kind of reflector/director configurations in a 3D structure by folding a pliable 2D substrate with a metallized conduction structure thereon into the desired shape.
  • a dipole may be built with more and different layers of foils.
  • the pliable substrate may be adhesively bonded to the support elements.
  • a radiator, i.e. dipole head, signal lines and the connection to the antenna can be provided in one part.
  • dipole groups comprising radiators, signal lines and/or connections may be realised using a single substrate foil.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the described apparatus embodiment is merely exemplary.
  • the unit division is merely logical function division and may be other division in actual implementation.
  • a plurality of units or components may be combined or integrated into another system, or some features may be ignored or not performed.
  • the indirect couplings or communication connections between the apparatuses or units may be implemented in electronic, mechanical, or other forms.
  • the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • functional units in the embodiments of the invention may be integrated into one processing unit, or each of the units may exist alone physically, or two or more units are integrated into one unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un procédé (300) de fabrication d'un élément d'antenne pour la transmission ou la réception d'un signal RF. Le procédé consiste à : fournir (301) un substrat pliable, le substrat pliable ayant une structure conductrice formée sur celui-ci ; plier (303) le substrat pliable dans une configuration pliée ; et fixer (305) le substrat pliable dans la configuration pliée à un support rigide pour fournir l'élément d'antenne.
PCT/EP2019/058547 2019-04-04 2019-04-04 Procédé de fabrication d'un élément d'antenne Ceased WO2020200465A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/058547 WO2020200465A1 (fr) 2019-04-04 2019-04-04 Procédé de fabrication d'un élément d'antenne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/058547 WO2020200465A1 (fr) 2019-04-04 2019-04-04 Procédé de fabrication d'un élément d'antenne

Publications (1)

Publication Number Publication Date
WO2020200465A1 true WO2020200465A1 (fr) 2020-10-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/058547 Ceased WO2020200465A1 (fr) 2019-04-04 2019-04-04 Procédé de fabrication d'un élément d'antenne

Country Status (1)

Country Link
WO (1) WO2020200465A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220311143A1 (en) * 2019-06-07 2022-09-29 Thomson Licensing Apparatus with integrated antenna assembly
WO2023178678A1 (fr) 2022-03-25 2023-09-28 Huawei Technologies Co.,Ltd. Composant d'antenne à feuille pliable

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060187124A1 (en) * 2005-02-10 2006-08-24 Interdigital Technology Corporation Three-dimensional antenna fabrication from a two-dimensional structure
US20150145733A1 (en) * 2013-11-28 2015-05-28 Commissariat A L'energie Atomique Et Aux Energies Alternatives Electronic apparatus with radio antenna folded in a casing
US20170170550A1 (en) * 2014-08-22 2017-06-15 Kmw Inc. Omnidirectional antenna for mobile communication service

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060187124A1 (en) * 2005-02-10 2006-08-24 Interdigital Technology Corporation Three-dimensional antenna fabrication from a two-dimensional structure
US20150145733A1 (en) * 2013-11-28 2015-05-28 Commissariat A L'energie Atomique Et Aux Energies Alternatives Electronic apparatus with radio antenna folded in a casing
US20170170550A1 (en) * 2014-08-22 2017-06-15 Kmw Inc. Omnidirectional antenna for mobile communication service

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AMIN RIDA ET AL: "Inkjet-printing UHF antenna for RFID and sensing applications on Liquid Crystal Polymer", 2013 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSURSI), 1 June 2009 (2009-06-01), pages 1 - 4, XP055638310, ISSN: 1522-3965, ISBN: 978-1-4799-3538-3, DOI: 10.1109/APS.2009.5171791 *
FEDERICO ALIMENTI ET AL: "Communication and Sensing Circuits on Cellulose", JOURNAL OF LOW POWER ELECTRONICS AND APPLICATIONS, vol. 5, no. 3, 25 June 2015 (2015-06-25), pages 151 - 164, XP055640702, DOI: 10.3390/jlpea5030151 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220311143A1 (en) * 2019-06-07 2022-09-29 Thomson Licensing Apparatus with integrated antenna assembly
US12136775B2 (en) * 2019-06-07 2024-11-05 Thomson Licensing Apparatus with integrated antenna assembly
WO2023178678A1 (fr) 2022-03-25 2023-09-28 Huawei Technologies Co.,Ltd. Composant d'antenne à feuille pliable
EP4441841A4 (fr) * 2022-03-25 2025-01-29 Huawei Technologies Co., Ltd. Composant d'antenne à feuille pliable

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