CN114181633A - Stretchable and removable gum and production process thereof - Google Patents
Stretchable and removable gum and production process thereof Download PDFInfo
- Publication number
- CN114181633A CN114181633A CN202111399906.1A CN202111399906A CN114181633A CN 114181633 A CN114181633 A CN 114181633A CN 202111399906 A CN202111399906 A CN 202111399906A CN 114181633 A CN114181633 A CN 114181633A
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- layer
- conductive
- adhesive tape
- induction coil
- conductive adhesive
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/383—Natural or synthetic rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/308—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive tape or sheet losing adhesive strength when being stretched, e.g. stretch adhesive
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2421/00—Presence of unspecified rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
Abstract
The invention relates to a stretch removable adhesive backing comprising: a bottom film, wherein a conductive adhesive tape layer is arranged on the bottom film; lie in the flexible protective layer on electrically conductive sticky tape layer, flexible protective layer includes: induction coil, be used for cladding induction coil's flexible layer and be used for restricting the flexible spacing protective layer on layer, the induction coil both sides are equipped with the busbar to the extension, and spacing protective layer includes: the device comprises a release film, a pressure-sensitive adhesive layer arranged on the release film, and limiting columns positioned on two sides of the pressure-sensitive adhesive layer; and the limiting groove is arranged on the conductive adhesive tape layer and matched with the limiting column. Through the setting that adopts induction coil and flexible layer, realize the wireless charging of the installed part on the gum, simultaneously, also be convenient for carry out automatic dismantlement to the installed part on the gum piece, improve the high efficiency of gum in the use.
Description
Technical Field
The invention relates to the technical field of back glue, in particular to a stretchable and removable back glue and a production process thereof.
Background
The adhesive tape has wide application in daily life, has the functions of connection, fixation, adhesion and the like, and is required to be used in various fields such as food, medicine, cigarettes, household appliances and the like. The back adhesive is also commonly used for sealing and packaging electronic and electronic products, various small household appliances, mobile phone accessories, industrial instruments, computers, peripheral equipment, automobile accessories, audio and video equipment and other products.
The existing gum has a simpler function, can only realize the connection between the gum piece to be treated and the gum piece to be treated, does not have conductivity, cannot realize the automatic separation between the gum piece and the gum piece to be treated, and has poor use effect.
Disclosure of Invention
In order to solve the technical problems, the invention provides the stretchable removable gum and the production process thereof, and the stretchable removable gum has the advantage of good service performance.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a stretch removable backing adhesive, comprising:
the bottom film is provided with a conductive adhesive tape layer;
the flexible protective layer that is located on the conductive adhesive tape layer, flexible protective layer includes: induction coil, be used for the cladding induction coil's flexible layer and be used for the restriction flexible layer spacing protective layer, the induction coil both sides are equipped with the busbar to the extension, spacing protective layer includes: the device comprises a release film, a pressure-sensitive adhesive layer arranged on the release film, and limiting columns positioned on two sides of the pressure-sensitive adhesive layer; and the number of the first and second groups,
and the limiting groove is arranged on the conductive adhesive tape layer and matched with the limiting column.
When the technical scheme is realized, the bottom of the bottom film is contacted with the upper end of the mounting piece, and the lower end of the mounting piece is abutted against the pressure-sensitive adhesive layer, so that the upper end of the mounting piece is clamped with the lower end of the mounting piece; meanwhile, under the action of the pressing force, the telescopic layer synchronously moves downwards, so that the induction coil can also extrude downwards, and further, the limiting columns and the limiting grooves are locked with each other, so that the bottom film, the conductive adhesive tape layer and the telescopic protective layer are in a stable pressing state; the conducting strips extending outwards from the two sides of the induction coil are connected with the conducting layer at the upper end of the mounting piece, so that the conducting connection between the gum and the mounting piece is realized, and the wireless charging between the mounting piece on the gum and the charger is further realized; when installed part upper end and installed part lower extreme phase separation, under the effect of induction coil elastic force, autosegregation between basement membrane and the pressure sensitive adhesive layer makes it easier to dismantle the separation between installed part upper end and the installed part lower extreme. Through the setting that adopts induction coil and flexible layer, realize the wireless charging of the installed part on the gum, simultaneously, also be convenient for carry out automatic dismantlement to the installed part on the gum piece, improve the high efficiency of gum in the use.
As a preferred aspect of the present invention, the induction coil is mounted on the conductive tape layer, and the flexible layer is made in a bellows manner.
According to the technical scheme, the arrangement of the induction coil enables the telescopic protection layer to have conductive performance, so that connection with the piece to be back-glued is achieved.
As a preferred embodiment of the present invention, the flexible layer is sleeved with the induction coil, and one end of the flexible layer is connected to the conductive adhesive tape layer, and the other end of the flexible layer is connected to the release film.
Realize above-mentioned technical scheme, through flexible layer and the dual setting from the type membrane, realize the sealed to induction coil, also be convenient for from the type membrane with treat the connection of gum piece.
As a preferable scheme of the present invention, the conductive strip extends outward to form the stretchable layer, and the conductive strip is connected to the conductive layer of the member to be back-glued.
Realize above-mentioned technical scheme, through the setting of conducting strip, realize the mutual transmission between the electric current.
As a preferred scheme of the present invention, the length of the pressure-sensitive adhesive layer is greater than that of the release film, and the lengths of the pressure-sensitive adhesive layer, the base film and the conductive adhesive tape layer are the same; the limiting columns are arranged at the bottoms of the pressure-sensitive adhesive layers and face the limiting grooves.
According to the technical scheme, the pressure-sensitive adhesive layer and the bottom film are pressed through the limiting columns and the limiting grooves, so that the pressure-sensitive adhesive layer and the bottom film can be pressed conveniently and can be connected with a back adhesive piece to be pressed.
In another aspect, the present invention further provides a stretch removable adhesive-backed production process, which is based on the adhesive-backed according to any one of the above embodiments, and the production process includes:
(1) preparing materials: preparing the base film and the conductive adhesive tape layer required by the process, wherein the base film consists of a common adhesive tape, a PET (polyethylene terephthalate) adhesive tape and a MYLAR (MYLAR adhesive tape), and the conductive adhesive tape layer consists of a conductive adhesive and conductive cloth;
(2) forming a conductive adhesive tape layer: after the conductive adhesive tape layer is heated and cured, the stable conductive adhesive tape layer is formed, and the telescopic protective layer is arranged on the conductive adhesive tape layer to form a conductive induction coil layer, so that the communication between the telescopic protective layer and a piece to be back-glued is realized, and the conductivity is improved;
(3) punching and waste discharge: punching the conductive adhesive tape layer and the telescopic protective layer into required shapes by using a punching die, and collecting scraps generated in the punching process;
(4) back gluing: and connecting the release layer and the pressure-sensitive adhesive layer on the telescopic protective layer with a piece to be back-glued, and simultaneously connecting the conductive strip with the conductive part of the piece to be back-glued, wherein the pressure-sensitive adhesive layer is formed by mixing acrylic acid and latex type adhesive according to the proportion of 1: 3.
In conclusion, the invention has the following beneficial effects:
the invention provides a stretch removable adhesive backing, comprising: the bottom film is provided with a conductive adhesive tape layer; the flexible protective layer that is located on the conductive adhesive tape layer, flexible protective layer includes: induction coil, be used for the cladding induction coil's flexible layer and be used for the restriction flexible layer spacing protective layer, the induction coil both sides are equipped with the busbar to the extension, spacing protective layer includes: the device comprises a release film, a pressure-sensitive adhesive layer arranged on the release film, and limiting columns positioned on two sides of the pressure-sensitive adhesive layer; and the limiting groove is arranged on the conductive adhesive tape layer and matched with the limiting column. During operation, the bottom of the bottom film is contacted with the upper end of the mounting piece, and the lower end of the mounting piece is abutted against the pressure-sensitive adhesive layer, so that the upper end of the mounting piece is clamped with the lower end of the mounting piece; meanwhile, under the action of the pressing force, the telescopic layer synchronously moves downwards, so that the induction coil can also extrude downwards, and further, the limiting columns and the limiting grooves are locked with each other, so that the bottom film, the conductive adhesive tape layer and the telescopic protective layer are in a stable pressing state; the conducting strips extending outwards from the two sides of the induction coil are connected with the conducting layer at the upper end of the mounting piece, so that the conducting connection between the gum and the mounting piece is realized, and the wireless charging between the mounting piece on the gum and the charger is further realized; when installed part upper end and installed part lower extreme phase separation, under the effect of induction coil elastic force, autosegregation between basement membrane and the pressure sensitive adhesive layer makes it easier to dismantle the separation between installed part upper end and the installed part lower extreme. Through the setting that adopts induction coil and flexible layer, realize the wireless charging of the installed part on the gum, simultaneously, also be convenient for carry out automatic dismantlement to the installed part on the gum piece, improve the high efficiency of gum in the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front structural view of an embodiment of the present invention.
FIG. 2 is a top view of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a base film; 2. a conductive tape layer; 3. a flexible protective layer; 4. an induction coil; 5. a stretchable layer; 6. A limiting protective layer; 7. a release film; 8. a pressure sensitive adhesive layer; 9. a limiting column; 10. a limiting groove; 12. a conductive strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Examples
A stretch removable adhesive backing, as shown in fig. 1-2, comprising: the film comprises a bottom film 1, wherein a conductive adhesive tape layer 2 is arranged on the bottom film 1; lie in flexible protective layer 3 on conductive adhesive tape layer 2, flexible protective layer 3 includes: induction coil 4, be used for cladding induction coil 4's flexible layer 5 and be used for restricting the flexible spacing protective layer 6 of 5 on flexible layer, induction coil 4 both sides are equipped with to the busbar 12 that extends, and spacing protective layer 6 includes: the pressure-sensitive adhesive film comprises a release film 7, a pressure-sensitive adhesive layer 8 arranged on the release film 7, and limiting columns 9 positioned on two sides of the pressure-sensitive adhesive layer 8; and a limiting groove 10 which is arranged on the conductive adhesive tape layer 2 and is matched with the limiting column 9.
Specifically, the induction coil 4 is installed on the conductive adhesive tape layer 2, and the telescopic layer 5 is made in a corrugated pipe mode. In the embodiment of the present invention, the induction coil 4 is designed in a spring form, so that the induction coil 4 has elastic force, and since the induction coil 4 itself has conductive performance, mutual transmission between currents can be realized.
The telescopic layer 5 is sleeved with the induction coil 4, one end of the telescopic layer is connected with the conductive adhesive tape layer 2, and the other end of the telescopic layer 5 is connected with the release film 7. The induction coil 4 is sealed in the telescopic layer 5 through the release film 7, so that a complete gum is formed among the bottom film 1, the telescopic layer 5 and the release film 7.
Furthermore, the conductive strip 12 extends outward to form the telescopic layer 5, and the conductive strip 12 is connected to the conductive layer of the member to be back-glued. The current on the induction coil 4 is transmitted to the conductive strip 12, so that the transmission of the current among the conductive strip 12, the gum and the piece to be gum is realized.
The length of the pressure sensitive adhesive layer 8 is larger than that of the release film 7, and the length of the pressure sensitive adhesive layer 8 is consistent with that of the bottom film 1 and that of the conductive adhesive tape layer 2; the limiting column 9 is arranged at the bottom of the pressure sensitive adhesive layer 8 and is arranged towards the direction of the limiting groove 10. Basement membrane 1 is as the installation basement, the installation connection between basement membrane 1 and the piece of treating the gum of being convenient for to further realize the gum and treat being connected between the gum piece.
During operation, the bottom of the basement membrane 1 is contacted with the upper end of the mounting piece, and the lower end of the mounting piece is abutted against the pressure sensitive adhesive layer 8, so that the upper end of the mounting piece is clamped with the lower end of the mounting piece; meanwhile, under the action of the pressing force, the telescopic layer 5 synchronously moves downwards, so that the induction coil 4 can also extrude downwards, and further, the limiting columns 9 and the limiting grooves 10 are mutually locked, so that the bottom film 1, the conductive adhesive tape layer 2 and the telescopic protective layer 3 are in a stable pressing state; moreover, the conducting strips 12 extending outwards from the two sides of the induction coil 4 are connected with the conducting layer at the upper end of the mounting piece, so that the conducting connection between the gum and the mounting piece is realized, and further the wireless charging between the mounting piece on the gum and the charger is realized; when installed part upper end and installed part lower extreme phase separation, under the effect of induction coil 4 elastic force, autosegregation between basement membrane 1 and the pressure sensitive adhesive layer 8 makes it easier to dismantle the separation between installed part upper end and the installed part lower extreme. Through the setting that adopts induction coil 4 and flexible layer 5, realize the wireless charging of the installed part on the gum, simultaneously, also be convenient for carry out automatic dismantlement to the installed part on the gum piece, improve the high efficiency of gum in the use.
A production process of a stretch removable gum comprises the following steps:
(1) preparing materials: preparing a bottom film 1 and a conductive adhesive tape layer 2 required by the process, wherein the bottom film 1 consists of a common adhesive tape, PET (polyethylene terephthalate) and MYLAR (MYLAR adhesive tape), and the conductive adhesive tape layer 2 consists of a conductive adhesive and conductive cloth;
(2) forming the conductive adhesive tape layer 2: after the conductive adhesive tape layer 2 is heated and cured, a stable conductive adhesive tape layer 2 is formed, and the telescopic protective layer 3 is arranged on the conductive adhesive tape layer 2 to form a conductive induction coil 4 layer, so that the communication between the telescopic protective layer 3 and a piece to be back-glued is realized, and the conductivity is improved;
(3) punching and waste discharge: punching the conductive adhesive tape layer 2 and the telescopic protective layer 3 into required shapes by using a punching die, and collecting scraps generated in the punching process;
(4) back gluing: the release layer and the pressure sensitive adhesive layer 8 on the telescopic protective layer 3 are connected with a piece to be back-glued, meanwhile, the conductive strip 12 is connected with a conductive part of the piece to be back-glued, and the pressure sensitive adhesive layer 8 is formed by mixing acrylic acid series and latex type adhesives according to the proportion of 1: 3.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (6)
1. A stretch removable backing adhesive, comprising:
the bottom film is provided with a conductive adhesive tape layer;
the flexible protective layer that is located on the conductive adhesive tape layer, flexible protective layer includes: induction coil, be used for the cladding induction coil's flexible layer and be used for the restriction flexible layer spacing protective layer, the induction coil both sides are equipped with the busbar to the extension, spacing protective layer includes: the device comprises a release film, a pressure-sensitive adhesive layer arranged on the release film, and limiting columns positioned on two sides of the pressure-sensitive adhesive layer; and the number of the first and second groups,
and the limiting groove is arranged on the conductive adhesive tape layer and matched with the limiting column.
2. The stretch removable adhesive backing of claim 1, wherein said induction coil is mounted on said conductive tape layer, and said stretchable layer is made in the form of a bellows.
3. The stretch removable adhesive tape of claim 2, wherein the stretchable layer is sleeved with the induction coil, and one end of the stretchable layer is connected to the conductive adhesive tape layer, and the other end of the stretchable layer is connected to the release film.
4. The stretch removable adhesive-backed tape of claim 1, wherein said conductive strip extends outwardly beyond said stretchable layer, and said conductive strip is connected to a conductive layer of a member to be adhesive-backed.
5. The stretch removable adhesive backing of claim 1, wherein the length of the pressure sensitive adhesive layer is greater than the length of the release film, and the pressure sensitive adhesive layer is the same as the length of the carrier film and the length of the conductive adhesive tape layer; the limiting columns are arranged at the bottoms of the pressure-sensitive adhesive layers and face the limiting grooves.
6. A stretch removable adhesive-backed production process, characterized in that the production process is based on the adhesive-backed according to any one of claims 1 to 5, the production process comprising:
(1) preparing materials: preparing the base film and the conductive adhesive tape layer required by the process, wherein the base film consists of a common adhesive tape, a PET (polyethylene terephthalate) adhesive tape and a MYLAR (MYLAR adhesive tape), and the conductive adhesive tape layer consists of a conductive adhesive and conductive cloth;
(2) forming a conductive adhesive tape layer: after the conductive adhesive tape layer is heated and cured, the stable conductive adhesive tape layer is formed, and the telescopic protective layer is arranged on the conductive adhesive tape layer to form a conductive induction coil layer, so that the communication between the telescopic protective layer and a piece to be back-glued is realized, and the conductivity is improved;
(3) punching and waste discharge: punching the conductive adhesive tape layer and the telescopic protective layer into required shapes by using a punching die, and collecting scraps generated in the punching process;
(4) back gluing: and connecting the release layer and the pressure-sensitive adhesive layer on the telescopic protective layer with a piece to be back-glued, and simultaneously connecting the conductive strip with the conductive part of the piece to be back-glued, wherein the pressure-sensitive adhesive layer is formed by mixing acrylic acid and latex type adhesive according to the proportion of 1: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399906.1A CN114181633A (en) | 2021-11-24 | 2021-11-24 | Stretchable and removable gum and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399906.1A CN114181633A (en) | 2021-11-24 | 2021-11-24 | Stretchable and removable gum and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114181633A true CN114181633A (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111399906.1A Pending CN114181633A (en) | 2021-11-24 | 2021-11-24 | Stretchable and removable gum and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114181633A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205123423U (en) * | 2015-10-13 | 2016-03-30 | 张璐 | Wireless dash receiver that charges of silica gel antiskid |
| CN209118908U (en) * | 2018-12-27 | 2019-07-16 | 中山市恒莲电子有限公司 | A kind of encapsulated type inductance of I-shaped |
| WO2021175205A1 (en) * | 2020-03-05 | 2021-09-10 | 华为技术有限公司 | Electronic device, accessory for electronic device, and rear housing assembly for electronic device |
-
2021
- 2021-11-24 CN CN202111399906.1A patent/CN114181633A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205123423U (en) * | 2015-10-13 | 2016-03-30 | 张璐 | Wireless dash receiver that charges of silica gel antiskid |
| CN209118908U (en) * | 2018-12-27 | 2019-07-16 | 中山市恒莲电子有限公司 | A kind of encapsulated type inductance of I-shaped |
| WO2021175205A1 (en) * | 2020-03-05 | 2021-09-10 | 华为技术有限公司 | Electronic device, accessory for electronic device, and rear housing assembly for electronic device |
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