CN114585150A - Reinforcing sheet, antenna assembly and radio frequency connecting assembly - Google Patents
Reinforcing sheet, antenna assembly and radio frequency connecting assembly Download PDFInfo
- Publication number
- CN114585150A CN114585150A CN202210258142.2A CN202210258142A CN114585150A CN 114585150 A CN114585150 A CN 114585150A CN 202210258142 A CN202210258142 A CN 202210258142A CN 114585150 A CN114585150 A CN 114585150A
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- circuit board
- layer
- flexible circuit
- reinforcing sheet
- conductive layer
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- 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
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- 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
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
- H05K1/0281—Reinforcement details thereof
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- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- 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
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- 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
- H05K2201/10189—Non-printed connector
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention discloses a reinforcing sheet, an antenna assembly and a radio frequency connecting assembly. The reinforcement piece provides the fixed stay for electric structure, and electric structure can be fixed on the second conducting layer of reinforcement piece through the welded mode to be connected with the second conducting layer electricity, thereby realize that electric structure and flexible line way board are connected electrically. The reinforcing sheet can not only provide the support required for fixing the electric structure on the flexible circuit board, but also play a role in electrically connecting the electric structure and the flexible circuit board.
Description
Technical Field
The invention relates to the technical field of flexible circuit boards, in particular to a reinforcing sheet, an antenna assembly and a radio frequency connecting assembly.
Background
A Flexible Printed Circuit Board (also called a "Flexible Board"), commonly referred to as an FPC in the industry, is a Printed Circuit made of a Flexible insulating substrate. It can be freely bent, rolled and folded. The FPC can be used for greatly reducing the volume of electronic products, and is suitable for the development of the electronic products in the directions of high density, miniaturization and high reliability.
Although the flexible wiring board has good flexibility, its mechanical strength is low. The flexible circuit board can not be directly inserted into other electrical structures, so that a reinforcing sheet with higher mechanical strength is attached to a position to be inserted into the flexible circuit board, so that the strength of the inserted position is improved, and the whole assembly of a product is facilitated.
Insulating plates are mostly adopted in the existing reinforcing sheets. In some specific use scenarios, for example, when it is required to fix the electrical structure to the flexible circuit board through the reinforcing sheet and to electrically connect the electrical structure to the flexible circuit board, the reinforcing sheet is attached to the flexible circuit board, and the electrical structure is connected to the reinforcing sheet. If the insulating plate is used as the reinforcing sheet, the electrical connection between the electrical structure and the flexible circuit board cannot be realized.
Disclosure of Invention
The invention provides a reinforcing sheet, an antenna assembly and a radio frequency connecting assembly, which can provide support required by fixing an electric structure on a flexible circuit board and can also play a role in electrically connecting the electric structure and the flexible circuit board.
In a first aspect, the present invention provides a reinforcing sheet comprising:
an insulating support layer;
the first conducting layer is arranged on the first side face of the insulating supporting layer and is used for being electrically connected with the flexible circuit board;
the second conducting layer is arranged on the second side face, far away from the first conducting layer, of the insulating supporting layer and used for electrically connecting an electrical structure to be fixed, and the first conducting layer is electrically connected with the second conducting layer.
Optionally, the first conductive layer and the second conductive layer are electrically connected through a conductive via penetrating through the insulating support layer.
Optionally, the reinforcing patch includes a plurality of conductive vias for electrically connecting the first conductive layer and the second conductive layer.
Optionally, the material of the insulating support layer is FR4 grade material.
In a second aspect, the present invention provides an antenna assembly, including the stiffener provided in the first aspect of the present invention, further including a flexible circuit board, a spring plate, and an antenna;
the first conducting layer of the reinforcing sheet is fixed on the first side face of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the elastic sheet is arranged on the second conducting layer of the reinforcing sheet, is electrically connected with the second conducting layer and is used for being electrically connected with a contact on the hard circuit board;
the antenna is fixed at a position corresponding to the reinforcing sheet on the second side face, far away from the reinforcing sheet, of the flexible circuit board, and the antenna is electrically connected with the flexible circuit board.
Optionally, the first conductive layer and the second conductive layer are electrically connected through a conductive via penetrating through the insulating support layer, the reinforcing sheet includes a central region and a peripheral region surrounding the central region, the conductive via is disposed in the peripheral region of the reinforcing sheet, and the elastic sheet is disposed in the central region of the reinforcing sheet.
Optionally, the elastic sheet includes a fixing portion and an elastic portion connected to the fixing portion, the elastic portion is used for electrically connecting to a contact on the hard circuit board, and the fixing portion is soldered to a central region of the reinforcing sheet through solder paste.
Optionally, a peripheral region of the second conductive layer is coated with a solder resist.
In a third aspect, the present invention provides a radio frequency connection assembly, including the reinforcing patch provided in the first aspect of the present invention, further including a flexible circuit board and a radio frequency connector;
the first conducting layer of the reinforcing sheet is fixed on the first side face of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the radio frequency connector is fixed at a position, corresponding to the reinforcing sheet, on the second side face, far away from the reinforcing sheet, of the flexible circuit board, and the radio frequency connector is electrically connected with the flexible circuit board.
Optionally, a through hole penetrating through the first conductive layer is formed in a position, corresponding to the radio frequency connector, of the first conductive layer, and a through hole penetrating through the second conductive layer is formed in a position, corresponding to the radio frequency connector, of the second conductive layer.
The reinforcing sheet provided by the invention comprises an insulating supporting layer, a first conducting layer and a second conducting layer, wherein the first conducting layer is arranged on the first side surface of the insulating supporting layer and is used for being electrically connected with a flexible circuit board, the second conducting layer is arranged on the second side surface, far away from the first conducting layer, of the insulating supporting layer, the second conducting layer is used for being electrically connected with an electrical structure to be fixed, and the first conducting layer is electrically connected with the second conducting layer. The reinforcing sheet is attached to the position to be reinforced on the flexible circuit board and then electrically connected with the flexible circuit board through the first conducting layer. The reinforcement piece provides fixed support for electric structure, and electric structure can fix on the second conducting layer of reinforcement piece through the welded mode to be connected with the second conducting layer electricity, thereby realize that electric structure and flexible line way board are connected electrically. The reinforcing sheet not only can provide the support required for fixing the electric structure on the flexible circuit board, but also can play a role in electrically connecting the electric structure and the flexible circuit board.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a schematic view of a reinforcement panel according to the prior art;
FIG. 2 is a cross-sectional view of a reinforcing patch provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an antenna assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a radio frequency connection assembly according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have a special meaning.
Fig. 1 is a schematic view of an application of a reinforcing sheet provided in the prior art, and as shown in fig. 1, a first electrical structure 11 and a second electrical structure 12 need to be fixed on two sides of a flexible circuit board 13 and electrically connected to the flexible circuit board 13. Therefore, the reinforcing sheet 14 needs to be provided to provide sufficient strength support for the first electrical structure 11 and the second electrical structure 12. The reinforcing sheet 14 is attached to the first side of the flexible wiring board 13. The first electrical structure 11 is fixed on one side of the reinforcing sheet 14 far away from the flexible circuit board 13, and the second electrical structure 12 is fixed at a position corresponding to the second side reinforcing sheet 14 of the flexible circuit board 13. However, since the conventional reinforcing sheet 14 is mostly an insulating sheet, electrical connection between the first electrical structure 11 and the flexible wiring board 13 cannot be achieved.
In view of the above problem, an embodiment of the present invention provides a reinforcing sheet, including:
an insulating support layer;
the first conducting layer is arranged on the first side surface of the insulating supporting layer and is used for being electrically connected with the flexible circuit board;
the first conducting layer is arranged on the second side face, far away from the first conducting layer, of the insulating supporting layer, the second conducting layer is used for being electrically connected with an electrical structure to be fixed, and the first conducting layer is electrically connected with the second conducting layer.
Fig. 2 is a cross-sectional view of a reinforcing patch according to an embodiment of the present invention, as shown in fig. 2, the reinforcing patch of this embodiment includes an insulating support layer 110, a first conductive layer 120, and a second conductive layer 130.
Wherein the first conductive layer 120 and the second conductive layer 130 are respectively disposed on two opposite sides of the insulating support layer 110. The insulating support layer 110 requires a certain mechanical strength to provide the support required for fixing the electrical structure to be connected. The first conductive layer 120 is disposed on the first side surface of the insulating support layer 110, and the first conductive layer 120 is used for electrically connecting to a flexible printed circuit board, or a stiffener is attached to the flexible printed circuit board.
The second conductive layer 130 is disposed on a second side of the insulating support layer 110 away from the first conductive layer 120, and the second conductive layer 130 is used for electrically connecting to an electrical structure to be fixed. The second conductive layer 130 may be a copper foil, a tin foil, or the like.
The first conductive layer 120 and the second conductive layer 130 are electrically connected, and for example, a connection portion may be disposed on the insulating support layer 110 for electrically connecting the first conductive layer 120 and the second conductive layer 130.
In the reinforcing sheet provided by the embodiment of the present invention, the first conductive layer 120 and the second conductive layer 130 are disposed on two sides of the insulating support layer 110, and the first conductive layer 120 and the second conductive layer 130 are electrically connected. The reinforcing sheet is attached to the position to be reinforced on the flexible printed circuit board and then electrically connected to the flexible printed circuit board through the first conductive layer 120. The electrical structure can be fixed on the second conductive layer 130 of the reinforcing sheet by welding and electrically connected with the second conductive layer 130, so that the electrical structure is electrically connected with the flexible circuit board.
The reinforcing sheet provided by the embodiment of the invention comprises an insulating supporting layer, a first conducting layer and a second conducting layer, wherein the first conducting layer is arranged on the first side surface of the insulating supporting layer and is used for being electrically connected with a flexible circuit board, the second conducting layer is arranged on the second side surface, far away from the first conducting layer, of the insulating supporting layer and is used for being electrically connected with an electrical structure to be fixed, and the first conducting layer is electrically connected with the second conducting layer. The reinforcing sheet is attached to the position to be reinforced on the flexible circuit board and then electrically connected with the flexible circuit board through the first conducting layer. The reinforcement piece provides fixed support for electric structure, and electric structure can fix on the second conducting layer of reinforcement piece through the welded mode to be connected with the second conducting layer electricity, thereby realize that electric structure and flexible line way board are connected electrically. The reinforcing sheet can not only provide the support required for fixing the electric structure on the flexible circuit board, but also play a role in electrically connecting the electric structure and the flexible circuit board.
Illustratively, as shown in fig. 2, in some embodiments of the present invention, the first conductive layer 120 and the second conductive layer 130 are electrically connected by conductive vias 140 that extend through the insulating support layer 110. The conductive via 140 is a through hole having a conductive layer attached to an inner wall of the through hole, and the conductive layer on the inner wall of the conductive via 140 connects the first conductive layer 120 and the second conductive layer 130.
Illustratively, as shown in fig. 2, the stiffener includes a plurality of conductive vias 140 for electrically connecting the first conductive layer 120 and the second conductive layer 130, so as to equalize the potentials at the grid positions of the first conductive layer 120 and the second conductive layer 130 and avoid the generation of potential differences.
Illustratively, the material of the insulating support layer 110 may be FR4 grade material. FR-4 is a code of a flame-resistant material grade, which means a material specification that a resin material must be self-extinguishing after burning, and it is not a material name but a material grade, so that there are very many kinds of FR4 grade materials generally used for circuit boards, but most of them are composite materials made of so-called tetra-functional (tetra-functional) epoxy resin, Filler (Filler) and glass fiber. For example, the insulating support layer 110 may be a glass fiber board, an epoxy resin board, an epoxy glass cloth board, and the like, and the embodiment of the invention is not limited herein.
The embodiment of the invention also provides an antenna assembly, which comprises the reinforcing sheet, a flexible circuit board, an elastic sheet and an antenna, wherein the reinforcing sheet is provided according to any embodiment of the invention;
the first conducting layer of the reinforcing sheet is fixed on the first side surface of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the elastic sheet is arranged on the second conducting layer of the reinforcing sheet and is electrically connected with the second conducting layer, and the elastic sheet is used for being electrically connected with the contact on the hard circuit board;
the antenna is fixed at the position corresponding to the reinforcing sheet on the second side surface of the flexible circuit board far away from the reinforcing sheet, and the antenna is electrically connected with the flexible circuit board.
Fig. 3 is a schematic structural diagram of an antenna assembly according to an embodiment of the present invention, and exemplarily, as shown in fig. 3, the antenna assembly includes a reinforcing patch 100, a flexible circuit board 200, an elastic sheet 300, and an antenna 400.
The reinforcing patch 100 includes an insulating support layer 110, a first conductive layer 120, and a second conductive layer 130. The specific structure of the reinforcing sheet 100 is described in detail in the foregoing embodiments, and the embodiments of the present invention are not described herein again.
The first conductive layer 120 of the reinforcing patch 100 is fixed on the first side surface of the flexible circuit board 200, and the first conductive layer 120 of the reinforcing patch 100 is electrically connected with the flexible circuit board 200.
The elastic sheet 300 is disposed on the second conductive layer 130 of the reinforcing sheet 100, and the elastic sheet 300 is electrically connected to the second conductive layer 130, and the elastic sheet 300 is used for electrically connecting to a contact on the hard circuit board.
The antenna 400 is fixed on the second side surface of the flexible circuit board 200 away from the reinforcing sheet 100 and located at a position corresponding to the reinforcing sheet 100, and the antenna 400 is electrically connected with the flexible circuit board 200. It should be noted that, in some embodiments of the present invention, the antenna may also be connected to the second side of the flexible circuit board 200 away from the stiffener 100 through a connector, and the embodiments of the present invention are not limited herein.
The antenna 400 is used for receiving and transmitting wireless signals, and the elastic sheet 300 is used for transmitting ground signals or data signals, which is not limited herein. When the antenna assembly is assembled in the electronic equipment, the elastic sheet is electrically connected with the contact on the hard circuit board in the electronic equipment, so that the electronic equipment is connected with the antenna assembly.
The antenna assembly provided by the embodiment of the invention comprises a reinforcing sheet, a flexible circuit board, an elastic sheet and an antenna. The reinforcing sheet is attached to the position to be reinforced on the flexible circuit board and is electrically connected with the flexible circuit board through the first conducting layer of the reinforcing sheet. The reinforcing sheet provides fixed support for antenna and shell fragment, and the shell fragment sets up on the second conducting layer of reinforcing sheet to be connected with the second conducting layer electricity, thereby realize that the shell fragment is connected with flexible line way board electricity. The reinforcing sheet not only can provide the required support of fixing on the flexible circuit board for the shell fragment, can also play the effect of electric connection shell fragment and flexible circuit board.
In some embodiments of the present invention, as shown in fig. 3, the first conductive layer 120 and the second conductive layer 130 are electrically connected by conductive vias 140 that extend through the insulating support layer 110. Illustratively, the reinforcing sheet includes a plurality of conductive vias 140 for electrically connecting the first conductive layer 120 and the second conductive layer 130, so as to equalize the potentials at the positions on the first conductive layer 120 and the second conductive layer 130 and avoid the generation of potential differences.
For example, as shown in fig. 3, the reinforcing patch 100 includes a central region and a peripheral region surrounding the central region, the conductive via 140 is disposed in the peripheral region of the reinforcing patch 100, and the elastic sheet 300 is disposed in the central region of the reinforcing patch 100.
In some embodiments of the present invention, the resilient plate 300 includes a fixing portion 310 and an elastic portion 320 connected to the fixing portion 310, the elastic portion 320 is used for electrically connecting with a contact on a hard circuit board, and the fixing portion 310 is soldered to a central region of the reinforcing plate 100 by solder paste 150.
In order to avoid the problem that solder paste 150 may be sucked into the conductive via 140 in the area where the conductive via 140 is located, which may cause weak soldering. In the embodiment of the present invention, the conductive via 140 is disposed in the peripheral region of the reinforcing sheet 100, and the elastic sheet 300 is disposed in the central region of the reinforcing sheet 100.
In the embodiment of the present invention, the solder resist is coated on the peripheral region (i.e., the region outside the solder paste) of the second conductive layer 130, so as to prevent the solder paste from flowing to the non-soldering region, thereby facilitating accurate soldering.
The embodiment of the invention also provides a radio frequency connecting assembly, which comprises the reinforcing sheet provided by any of the previous embodiments of the invention, a flexible circuit board and a radio frequency connector;
the first conducting layer of the reinforcing sheet is fixed on the first side face of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the radio frequency connector is fixed at the position corresponding to the reinforcing sheet on the second side surface of the flexible circuit board far away from the reinforcing sheet, and the radio frequency connector is electrically connected with the flexible circuit board.
Fig. 4 is a schematic structural diagram of a radio frequency connection assembly according to an embodiment of the present invention, as shown in fig. 4, the radio frequency connection assembly includes a reinforcing patch 100, a flexible circuit board 200, and a radio frequency connector 500.
The reinforcing patch 100 includes an insulating support layer 110, a first conductive layer 120, and a second conductive layer 130. The specific structure of the reinforcing sheet 100 is described in detail in the foregoing embodiments, and the embodiments of the present invention are not described herein again.
The first conductive layer 120 of the reinforcing patch 100 is fixed on the first side surface of the flexible circuit board 200, and the first conductive layer 120 of the reinforcing patch 100 is electrically connected with the flexible circuit board 200. Illustratively, the first conductive layer 120 of the reinforcing patch 100 is electrically connected to the flexible circuit board 200 through a conductive adhesive.
The rf connector 500 is fixed at a position corresponding to the reinforcing patch 100 on the second side of the flexible printed circuit board 200 away from the reinforcing patch 100, and the rf connector 500 is electrically connected to the flexible printed circuit board 200. The stiffener 100 provides support for securing the rf connector 500 to the flexible wiring board 200. The rf connector 500 is used for transmitting rf signals and provides an rf signal output or input interface.
The second conductive layer 130 of the reinforcing patch 100 may be grounded.
The first and second conductive layers 120 and 130 are electrically connected by conductive vias 140 that extend through the insulating support layer 110.
In some embodiments of the present invention, as shown in fig. 4, the first conductive layer 120 is provided with a through hole 121 penetrating through the first conductive layer 120 at a position corresponding to the rf connector 500, and the second conductive layer 130 is provided with a through hole 131 penetrating through the second conductive layer 130 at a position corresponding to the rf connector 500. By providing through holes at the positions of the rf connector 500 on the first conductive layer 120 and the second conductive layer 130, that is, removing the conductive layers at the positions, the distributed capacitance of the rf connector 500 between the two conductive layers can be reduced, thereby reducing the transmission loss of the video signal.
In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A reinforcing patch, comprising:
an insulating support layer;
the first conducting layer is arranged on the first side face of the insulating supporting layer and is used for being electrically connected with a flexible circuit board;
the second conducting layer is arranged on the second side face, far away from the first conducting layer, of the insulating supporting layer and used for electrically connecting an electrical structure to be fixed, and the first conducting layer is electrically connected with the second conducting layer.
2. The reinforcing patch of claim 1, wherein the first conductive layer and the second conductive layer are electrically connected by conductive vias through the insulating support layer.
3. The reinforcing patch of claim 2, wherein the reinforcing patch comprises a plurality of conductive vias for electrically connecting the first conductive layer and the second conductive layer.
4. The reinforcing patch according to claim 1, wherein the material of the insulating support layer is FR4 grade material.
5. An antenna assembly, comprising the patch of any of claims 1-4, further comprising a flexible circuit board, a spring, and an antenna;
the first conducting layer of the reinforcing sheet is fixed on the first side face of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the elastic sheet is arranged on the second conducting layer of the reinforcing sheet, is electrically connected with the second conducting layer and is used for being electrically connected with a contact on the hard circuit board;
the antenna is fixed at a position corresponding to the reinforcing sheet on the second side face, far away from the reinforcing sheet, of the flexible circuit board, and the antenna is electrically connected with the flexible circuit board.
6. The antenna assembly of claim 5, wherein the first conductive layer and the second conductive layer are electrically connected by a conductive via extending through the insulating support layer, the stiffener includes a central region and a peripheral region surrounding the central region, the conductive via is disposed in the peripheral region of the stiffener, and the spring is disposed in the central region of the stiffener.
7. The antenna assembly of claim 6, wherein the spring plate comprises a fixed portion and an elastic portion connected to the fixed portion, the elastic portion being configured to electrically connect to a contact on a rigid circuit board, and the fixed portion is soldered to a central region of the stiffener by solder paste.
8. The antenna assembly of claim 7, wherein a peripheral region of the second conductive layer is coated with a solder resist.
9. A radio frequency connection assembly comprising the stiffener of any one of claims 1-4, further comprising a flexible wiring board and a radio frequency connector;
the first conducting layer of the reinforcing sheet is fixed on the first side face of the flexible circuit board, and the first conducting layer of the reinforcing sheet is electrically connected with the flexible circuit board;
the radio frequency connector is fixed at a position corresponding to the reinforcing sheet on the second side face, far away from the reinforcing sheet, of the flexible circuit board, and the radio frequency connector is electrically connected with the flexible circuit board.
10. The rf connection assembly of claim 9, wherein the first conductive layer is provided with a through hole through the first conductive layer at a location corresponding to the rf connector, and the second conductive layer is provided with a through hole through the second conductive layer at a location corresponding to the rf connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258142.2A CN114585150A (en) | 2022-03-16 | 2022-03-16 | Reinforcing sheet, antenna assembly and radio frequency connecting assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258142.2A CN114585150A (en) | 2022-03-16 | 2022-03-16 | Reinforcing sheet, antenna assembly and radio frequency connecting assembly |
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|---|---|
| CN114585150A true CN114585150A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210258142.2A Pending CN114585150A (en) | 2022-03-16 | 2022-03-16 | Reinforcing sheet, antenna assembly and radio frequency connecting assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061041A1 (en) * | 2022-09-24 | 2024-03-28 | 华为技术有限公司 | Electronic device |
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| CN109714882A (en) * | 2018-11-26 | 2019-05-03 | 惠州Tcl移动通信有限公司 | Mobile terminal and flexible circuit board |
| CN111465180A (en) * | 2020-06-09 | 2020-07-28 | 京东方科技集团股份有限公司 | Stiffening plate for flexible circuit board, flexible circuit board assembly and display device |
| CN212970233U (en) * | 2020-07-09 | 2021-04-13 | 深圳市汇德镁电子科技有限公司 | Flexible circuit board with double-layer structure |
| CN213462435U (en) * | 2020-09-30 | 2021-06-15 | 深圳市三德冠精密电路科技有限公司 | Flexible circuit board with reinforcing sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024061041A1 (en) * | 2022-09-24 | 2024-03-28 | 华为技术有限公司 | Electronic device |
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