CN112886197A - Antenna assembly, electronic equipment and manufacturing method of antenna assembly - Google Patents
Antenna assembly, electronic equipment and manufacturing method of antenna assembly Download PDFInfo
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- CN112886197A CN112886197A CN202110183315.4A CN202110183315A CN112886197A CN 112886197 A CN112886197 A CN 112886197A CN 202110183315 A CN202110183315 A CN 202110183315A CN 112886197 A CN112886197 A CN 112886197A
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- antenna
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- injection molding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Telephone Set Structure (AREA)
Abstract
The application discloses antenna module, electronic equipment, manufacturing method of antenna module, antenna module includes: an antenna body having a metal activity weaker than that of a reference material; the bearing piece is connected with the antenna body in an injection molding mode and bears the antenna body; a mounting member connected to the carrier member and having a density no greater than a density of the reference material; wherein, the antenna body includes: the functional part is connected with the bearing part in an injection molding manner; and the auxiliary part is used for connecting all the functional parts before the injection molding of the bearing part and removing the functional parts after the injection molding of the bearing part. According to the antenna assembly, the metal activity of the antenna body is reduced, the density of the mounting parts is not increased, the stable performance and the light weight can be realized, the antenna assembly can be suitable for light electronic equipment, and the electronic equipment can be ensured to have good signal receiving and transmitting performance.
Description
Technical Field
The present application relates to the field of electronic device technologies, and in particular, to an antenna assembly, and further, to an electronic device having the antenna assembly, and a method for manufacturing the antenna assembly.
Background
For example, in order to make the electronic device with smaller mass (i.e., lighter weight) require to be equipped with an MDA antenna, the components such as the middle frame support and the antenna are made of lighter metal materials such as magnesium aluminum alloy, and the lighter metal materials generally have stronger metal activity and are easily oxidized, so that the feed point of the MDA antenna is increased in resistance due to oxidation, and the stability of the working performance of the MDA antenna is seriously affected.
Disclosure of Invention
In view of the above, the present application provides an antenna assembly, which can improve the stability of the working performance thereof while considering the light weight. The application also provides electronic equipment with the antenna assembly and a manufacturing method of the antenna assembly.
In order to achieve the above purpose, the present application provides the following technical solutions:
an antenna assembly, comprising:
an antenna body having a metal activity weaker than that of a reference material;
the bearing piece is connected with the antenna body in an injection molding mode and bears the antenna body;
a mounting member connected to the carrier member and having a density no greater than a density of the reference material;
wherein, the antenna body includes: the functional part is connected with the bearing part in an injection molding manner; and the auxiliary part is used for connecting all the functional parts before the injection molding of the bearing part and removing the functional parts after the injection molding of the bearing part.
Preferably, in the antenna assembly, the functional portion is connected to a conductive member exposed outside the carrier.
Preferably, in the antenna assembly, the carrier is a ring-shaped member connected to and molded with the functional portion by injection molding, and the ring-shaped member surrounds the functional portion and the auxiliary portion.
Preferably, in the antenna assembly, the antenna body is made of an aluminum alloy material; the bearing piece is made of plastic materials; the mounting piece is made of magnesium-aluminum alloy; the reference materials are all magnesium aluminum alloy.
An electronic device comprising an appearance frame, a rear case, and an antenna assembly, the antenna assembly comprising:
an antenna body having a metal activity weaker than that of a reference material;
the bearing piece is connected with the antenna body in an injection molding mode and bears the antenna body;
a mounting member connected to the carrier member and having a density no greater than a density of the reference material;
wherein:
the antenna body includes: the functional part is connected with the bearing part in an injection molding manner; the auxiliary part is used for connecting all the functional parts before the injection molding of the bearing part and is removed after the injection molding of the bearing part;
the carrier is the outward appearance frame, the installed part is the backshell or set up and be in the inboard mounting panel of carrier.
A method of manufacturing an antenna assembly, comprising the steps of:
processing a first material to obtain an antenna base member, the first material having a metal activity lower than that of a reference material;
injection molding a carrier, and injection-connecting the carrier and the plurality of functional parts of the antenna base piece to form an injection-molded connector;
machining a second material to shape the mounting, the second material having a density no greater than the density of the reference material;
and connecting the injection molding connecting body and the mounting piece.
Preferably, in the method of manufacturing the antenna assembly, the antenna base member to which the carrier is injection-connected is processed to remove an auxiliary portion of the antenna body to which the functional portion is connected.
Preferably, in the above method of manufacturing an antenna assembly, the carrier is a frame-shaped bracket of an electronic device, and the mounting device is a mounting plate provided inside the carrier or a rear case of the electronic device.
Preferably, in the above method for manufacturing an antenna assembly, the first material is an aluminum alloy, and the reference material and the second material are both magnesium aluminum alloys.
Preferably, in the method of manufacturing an antenna assembly, the injection-molded connector and the mounting member are bonded or connected by using a connecting member.
In the antenna module that this application provided, the connection of moulding plastics of antenna body is on bearing the piece to by bearing the piece and then connecting on the installed part, the installation of whole antenna module in electronic equipment is realized to the cooperation installation of rethread installed part and other component parts of electronic equipment. The metal material selected for manufacturing the antenna body is made to be weaker in metal activity than that of the reference material, so that the antenna body is less prone to being oxidized relative to the reference material, stability of working performance of the antenna body can be improved, the density of the metal material for manufacturing the mounting piece is made to be not larger than that of the reference material, the mass of the mounting piece cannot be increased relative to that of the reference material, and the reference material is light and high in metal activity. According to the antenna assembly, the metal activity of the antenna body is reduced, the density of the mounting parts is not increased, the stable performance and the light weight can be realized, the antenna assembly can be suitable for light electronic equipment, and the electronic equipment can be ensured to have good signal receiving and transmitting performance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna body of an antenna assembly provided in an embodiment of the present application;
FIG. 2 is a schematic structural view of an injection molded interconnect;
FIG. 3 is a schematic structural view of the injection-molded connector with the auxiliary portion removed;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the mount;
fig. 6 is a schematic structural diagram of a molded antenna assembly.
In fig. 1-6:
1-an antenna body, 2-a carrier, 3-a conductive piece, 4-a mounting piece;
101-functional part, 102-auxiliary part.
Detailed Description
The application provides an antenna module, can make its working property's stability obtain improving under the circumstances of considering the light. The application also provides electronic equipment with the antenna assembly and a manufacturing method of the antenna assembly.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to fig. 6, the present application provides an antenna assembly, preferably an MDA antenna suitable for electronic devices such as mobile phones, which mainly includes an antenna body 1, a carrier 2 and a mounting member 4, wherein: in terms of structure, the antenna body 1 is connected to the carrier 2 by injection molding to be carried by the carrier 2, the carrier 2 is connected to the mounting member 4, and then the mounting of the whole antenna assembly in the electronic device is realized by the matching installation of the mounting member 4 and other components of the electronic device, the antenna body 1 further comprises a plurality of functional parts 101 connected to the carrier 2 by injection molding, and an auxiliary part 102 connected to all the functional parts 101 before the carrier 2 is injection molded and removed after the carrier 2 is injection molded, the functional parts 101 are components of the antenna assembly for receiving and transmitting signals, and the auxiliary part 102 is used for connecting and supporting the plurality of functional parts 101, since the functional parts 101 are connected to the carrier 2 by injection molding, the plurality of functional parts 101 need to be placed at corresponding positions in the injection mold first during the injection molding process, then plastic material is injected into the injection mold, and the auxiliary part 102 is arranged to connect, The functional parts 101 can be prevented from moving in the injection process of the plastic raw material by supporting the functional parts 101, so that the functional parts 101 and the bearing part 2 can be connected in an injection molding manner according to the process requirement; in terms of material, the metal activity of the material for manufacturing the antenna body 1 is made to be weaker than that of the reference material, so that the antenna body 1 is less prone to be oxidized relative to the reference material, the resistance of the feed point of the antenna body 1 is not excessively increased or even not increased due to the fact that the material is prone to be oxidized, and therefore the stability of the working performance of the antenna body 1 can be improved, meanwhile, the density of the metal material for manufacturing the mounting part 4 is not greater than that of the reference material, so that the mass of the mounting part 4 is not increased relative to that of the reference material on the premise of the same volume, and the mounting part 4 is the light mounting part 4, while the reference material defined in the application is a light material which is commonly used for manufacturing MDA antenna in the prior art and has stronger metal activity, such as magnesium aluminum alloy, on the basis, the material of the antenna body 1 can be aluminum or aluminum alloy and the like, the material of the mounting member 4 may be magnesium aluminum alloy, magnesium lithium alloy, carbon fiber, glass fiber board, or the like. In addition, in addition to the definition of the density of the mounting member 4, the present application may also preferably select that the yield strength of the metal material of the mounting member 4 is greater than that of the reference material, so that the mounting member 4 has greater strength and is less prone to deformation, and the mounting stability and firmness of the carrier member 2 and other components of the electronic device on the mounting member 4 are ensured.
In the antenna assembly with the above structure, the metal activity of the antenna body 1 is reduced relative to the metal activity of the reference material, and the density of the mounting pieces 4 is not increased relative to the density of the reference material (that is, the density of the mounting pieces 4 is less than or equal to the density of the reference material), so that the antenna assembly can achieve both light weight and stable performance, and further the antenna assembly can be applied to light-weight electronic equipment and can ensure that the electronic equipment has good signal transceiving performance.
As shown in fig. 3 and 4, the function portion 101 is preferably connected to a conductive member 3 exposed outside the carrier 2. In this structure, the conductive member 3 is added because when the antenna body 1 (specifically, the functional part 101) is made of a material with weak metal activity, such as aluminum alloy or aluminum, although the metal activity of the metal is weakened relative to the metal activity of the reference material, because the conductive member still has a certain metal activity, the feed point of the antenna body 1 is oxidized to increase the resistance (only the resistance increases by a value smaller than that of the reference material and/or the resistance increases by a time longer than that of the reference material), so in order to further reduce the increasing trend of the resistance and stabilize the operation performance of the antenna assembly, it is preferable to provide the conductive member 3 electrically connected to the functional part 101 on the supporting member 2, so that the conductive member 3 is electrically connected to other components of the electronic device instead of the functional part 101 (or the conductive member 3 is used as the feed point of the antenna assembly, without letting the functional part 101 itself act as a feed point) to slow down the oxidation of the functional part 101 or even avoid the functional part 101 from being oxidized, so as to protect the functional part 101. Specifically, the protection manner of the conductive device 3 for the functional part 101 may be that the functional part 101 is exposed on the inner surface of the carrier 2 while being connected to the carrier 2 by injection molding, and then the exposed functional part 101 is covered by the sheet-shaped conductive device 3 to reduce the contact area between the functional part 101 and the air, or as shown in fig. 4, the functional part 101 is injected into the carrier 2 without being exposed, and the legs of the conductive device 3 extend into the carrier 2 to be electrically connected with the functional part 101 (preferably, the legs are also connected to the carrier 2 by injection molding, that is, the conductive device 3 with legs is electrically connected with the functional part 101 and then put into an injection mold during the injection molding of the carrier 2), so that the functional part 101 and the air can be completely isolated by the carrier 2 while ensuring the normal electrical connection with other components of the electronic device, thereby preventing the functional part 101 from being oxidized. The conductive member 3 may be a copper sheet with good conductivity, and meanwhile, in order to slow down oxidation of the copper sheet, gold may be plated on the surface of the copper sheet, that is, the conductive member 3 is a gold-plated copper sheet.
In the present application, as shown in fig. 2 and 3, the carrier 2 is preferably a ring-shaped member that is connected to the functional portion 101 by injection molding and is molded, and the ring-shaped member surrounds the outside of the functional portion 101 and the auxiliary portion 102. The bearing part 2 with the structure can better bear the antenna body 1, and when the bearing part 2 bears the antenna body 1, the bearing part 2 can be used as an appearance part of the electronic equipment, for example, a middle frame between a screen and a rear shell of a mobile phone, so that the bearing part 2 has double functions of bearing the antenna body 1 and being the appearance part of the electronic equipment, the number of parts of the electronic equipment is reduced, and the structure of the electronic equipment is simplified.
Further, the present application preferably: the antenna body 1 is made of aluminum alloy; the bearing piece 2 is made of plastic; the mounting piece 4 is made of magnesium-aluminum alloy; the reference materials are all magnesium aluminum alloy. Among these materials, the reference material is a light-weight mg-al alloy with strong metal activity, which is commonly used in the prior art for manufacturing MDA antennas, and the materials of the antenna body 1 and the mounting member 4 are based on mg-al alloy as a comparison standard, and since the al alloy is less susceptible to oxidation relative to mg-al alloy, the al alloy is selected to manufacture the antenna body 1 so as to make the antenna assembly have more stable working performance, and the mounting member 4 is a component mainly affecting the quality of the antenna assembly, and is preferably made of a light-weight material, and since mg-al alloy has a smaller density, its mass is smaller, and it also has higher strength, rigidity and dimensional stability, it is directly preferable that the mounting member 4 is made of mg-al alloy, and further, on the premise that the density is not greater than the mg-al alloy density, the mounting member 4 can also be made of other materials, such, Carbon fiber or glass fiber board, etc. As described above, the yield strength of the metal material of the mounting 4 may be preferably higher than the yield strength of the reference material.
In addition, the present application also provides an electronic device including an appearance frame, a rear case, and an antenna assembly, the antenna assembly including: an antenna body 1, wherein the metal activity of the antenna body 1 is weaker than that of a reference material; the bearing part 2 is connected with the antenna body 1 in an injection molding mode and bears the antenna body 1; a mounting member 4 connected to the carrier member 2, wherein the density of the mounting member 4 is not greater than that of the reference material, or the yield strength of the metal material of the mounting member 4 is greater than that of the reference material; wherein: the antenna body 1 includes: a functional part 101 injection-molded with the carrier 2; an auxiliary part 102 which is connected to all the functional parts 101 before the injection molding of the carrier 2 and is removed after the injection molding of the carrier 2; the carrier 2 is an appearance frame and the mounting 4 is a rear shell or a mounting plate arranged inside the carrier 2.
That is to say, the electronic device provided by the present application has the foregoing antenna assembly, and the electronic device has the beneficial effects brought by the antenna assembly, please refer to the foregoing content, which is not described herein again. On the basis, the bearing part 2 is also made to be an appearance frame of the electronic device, namely, a middle frame of the electronic device between the screen and the rear shell, and the mounting part 4 can be a rear shell of the electronic device or a mounting plate arranged on the inner side of the bearing part 2, and when the mounting part 4 is the mounting plate, the bearing part 2 and the mounting part 4 can be matched to form a middle frame support of the mobile phone.
In addition, the present application also provides a manufacturing method of an antenna assembly, for manufacturing the aforementioned antenna assembly, the method including the steps of:
processing a first material to obtain an antenna base member, the first material having a metal activity lower than that of a reference material; as mentioned above, the first material is preferably an aluminum alloy, the reference material is preferably a magnesium aluminum alloy, and based on this, the antenna base is preferably formed by die casting, the structure of the die-cast antenna base is as shown in fig. 1, and the die-cast antenna base is the same as the structure of the antenna body 1, that is, the antenna base also includes the functional parts 101 and the auxiliary parts 102, the die-casting operation is specifically to die-cast an aluminum alloy sheet to obtain the strip-shaped functional parts 101 and the strip-shaped auxiliary parts 102, and the plurality of auxiliary parts 102 are located inside the plurality of circumferentially distributed functional parts 101 and are in a rectangular grid shape (the plurality of auxiliary parts 102 may be other structures if the installation requirement is met, which is not limited in this application), so as to connect and support the plurality of functional parts 101, and avoid the functional parts 101 from shifting during the in-mold injection;
injection molding the carrier 2 and injection connecting the carrier 2 with the plurality of functional parts 101 of the antenna base part to form an injection-molded connection body, as shown in fig. 2; the process of using the plastic material to mold the carrier 2 is a process of molding the carrier 2 and a process of connecting the antenna basic part and the carrier 2, and the injection molding connector refers to a combined body formed by combining the antenna body 1 and the carrier 2;
machining a second material to shape the mounting member 4, the second material having a density no greater than the density of the reference material; as mentioned above, the second material is preferably magnesium aluminum alloy, that is, the second material is a reference material, and on this basis, the processing method of the mounting member 4 is preferably also die-casting, specifically, the magnesium aluminum alloy sheet is die-cast, and the structure of the die-cast mounting member 4 is as shown in fig. 5, and similarly, the material of the mounting member 4 may also be other types of light metals or light non-metals, such as the aforementioned magnesium lithium alloy, carbon fiber or glass fiber board, on the premise of having sufficient strength; as described above, the yield strength of the metal material of the mounting 4 may be preferably higher than the yield strength of the reference material;
the injection-molded connector and the mounting member 4 are connected, and the structure of the injection-molded connector and the mounting member 4 after the connection is as shown in fig. 6 (the structure shown in fig. 6 is a structure in which the auxiliary portion 102 is removed).
In the above manufacturing method, before the injection-molded connecting body is connected to the mounting member 4, the method further includes the steps of: the antenna base member to which the carrier 2 is injection-molded is processed to remove the auxiliary portion 102 of the antenna body 1 to which the functional portion 101 is connected. Since the auxiliary portion 102 is an extra portion, the finished antenna assembly or electronic device does not need the extra portion, and the function of the extra portion is only to prevent the functional portion 101 from shifting during the in-mold molding process, so as to avoid the interference between the auxiliary portion 102 and other components of the electronic device, a removing operation of the auxiliary portion 102 is required, specifically, a method of stamping and/or numerical control machining is adopted to remove the grid structure located inside the plurality of functional portions 101 in fig. 1, so as to only retain the functional portion 101 on the inner wall or inside of the carrier 2, and the machined structure is as shown in fig. 3.
In the present application, the carrier 2 obtained by the above-mentioned manufacturing method is preferably a frame-shaped support of the electronic device, the mounting device 4 is preferably a mounting plate disposed inside the carrier 2 or a rear case of the electronic device, that is, the carrier 2 is an external component of the electronic device, and the mounting device 4 may be a rear case of the electronic device or a mounting plate disposed inside the carrier 2, and when the mounting device 4 is such a mounting plate, the carrier 2 and the mounting device 4 can be matched to constitute a middle frame support of the mobile phone.
In addition to the carrier 2 being an exterior component of an electronic device, the manufacturing method described above further includes a step of performing an appearance treatment on the carrier 2, for example, the outer wall of the carrier 2 and the housing of the electronic device have the same color, texture, and/or touch.
The manufacturing method further includes the step of providing the conductive member 3, and the operation of providing the conductive member 3 may be to connect the sheet-shaped conductive member 3 to the functional portion 101 exposed on the surface of the carrier 2 before the injection-molded connector is connected to the mounting member 4, or as shown in fig. 3 and 4, connect the conductive member 3 to the functional portion 101 before the injection-molding of the carrier 2, and then place the conductive member 3 with the legs and the functional portion 101 into an injection mold together during the injection-molding of the carrier 2, both of which can achieve the installation of the conductive member 3. Through setting up conductive piece 3, can realize the protection to functional unit 101, further slow down the oxidation of functional unit 101.
In the above-described manufacturing method, the injection-molded connection body and the mounting member 4 are preferably bonded or connected using a connecting member. The connection between the injection-molded connection body, in particular the carrier part 2, and the mounting part 4 can be chosen in many ways, one preferred way being to use hot melt glue or glue to bond the carrier part 2 and the mounting part 4, and the other preferred way being to use connection members such as screws to connect the carrier part 2 and the mounting part 4. When connecting, it is preferable that each part of the carrier 2 is connected to the mounting part 4, and each part refers to all other parts of the inner wall of the annular carrier 2 except for the part occupied by the functional part 101 and/or the conductive part 3, that is, except for the feed point part, other parts of the inner wall of the carrier 2 are connected to the mounting part 4, so as to improve the connection firmness of the two parts to the maximum extent.
In the present specification, the structure of each part is described in a progressive manner, the structure of each part is mainly described as different from the existing structure, and the whole and partial structure of the antenna assembly can be obtained by combining the structures of the parts.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An antenna assembly, comprising:
an antenna body having a metal activity weaker than that of a reference material;
the bearing piece is connected with the antenna body in an injection molding mode and bears the antenna body;
a mounting member connected to the carrier member and having a density no greater than a density of the reference material;
wherein, the antenna body includes: the functional part is connected with the bearing part in an injection molding manner; and the auxiliary part is used for connecting all the functional parts before the injection molding of the bearing part and removing the functional parts after the injection molding of the bearing part.
2. The antenna assembly of claim 1, the functional portion having a conductive member attached thereto exposed to an exterior of the carrier.
3. The antenna assembly of claim 1, the carrier being a ring connected to and molded with the functional portion by injection molding, the ring surrounding the functional portion and the auxiliary portion.
4. The antenna assembly of claim 1, wherein the antenna body is made of an aluminum alloy; the bearing piece is made of plastic materials; the mounting piece is made of magnesium-aluminum alloy; the reference materials are all magnesium aluminum alloy.
5. An electronic device comprising an appearance frame, a rear case, and an antenna assembly, the antenna assembly comprising:
an antenna body having a metal activity weaker than that of a reference material;
the bearing piece is connected with the antenna body in an injection molding mode and bears the antenna body;
a mounting member connected to the carrier member and having a density no greater than a density of the reference material;
wherein:
the antenna body includes: the functional part is connected with the bearing part in an injection molding manner; the auxiliary part is used for connecting all the functional parts before the injection molding of the bearing part and is removed after the injection molding of the bearing part;
the carrier is the outward appearance frame, the installed part is the backshell or set up and be in the inboard mounting panel of carrier.
6. A method of manufacturing an antenna assembly, comprising the steps of:
processing a first material to obtain an antenna base member, the first material having a metal activity lower than that of a reference material;
injection molding a carrier, and injection-connecting the carrier and the plurality of functional parts of the antenna base piece to form an injection-molded connector;
machining a second material to shape the mounting, the second material having a density no greater than the density of the reference material;
and connecting the injection molding connecting body and the mounting piece.
7. The manufacturing method according to claim 6, wherein the antenna base member to which the carrier is injection-molded is processed to remove an auxiliary portion of the antenna body to which the functional portion is connected.
8. The manufacturing method according to claim 6, wherein the carrier is a frame-shaped bracket of an electronic apparatus, and the mounting member is a mounting plate provided inside the carrier or a rear case of the electronic apparatus.
9. The manufacturing method according to claim 6, wherein the first material is an aluminum alloy, and the reference material and the second material are both magnesium aluminum alloys.
10. The manufacturing method according to claim 6, wherein the injection-molded connector and the mounting member are bonded or connected using a connecting member.
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| CN202110183315.4A CN112886197B (en) | 2021-02-10 | 2021-02-10 | Antenna assembly, electronic equipment and manufacturing method of antenna assembly |
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| CN202110183315.4A CN112886197B (en) | 2021-02-10 | 2021-02-10 | Antenna assembly, electronic equipment and manufacturing method of antenna assembly |
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