CN116419467A - Double-sided identification film and circuit board - Google Patents
Double-sided identification film and circuit board Download PDFInfo
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- CN116419467A CN116419467A CN202111654486.7A CN202111654486A CN116419467A CN 116419467 A CN116419467 A CN 116419467A CN 202111654486 A CN202111654486 A CN 202111654486A CN 116419467 A CN116419467 A CN 116419467A
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Images
Classifications
-
- 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
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0269—Marks, test patterns or identification means for visual or optical inspection
Abstract
The invention discloses a double-sided marking film and a circuit board, wherein the double-sided marking film comprises a marking code layer and an adhesive layer, a first marking code and a second marking code are arranged in the marking code layer, the positions of the first marking code and the second marking code are spaced, the marking code layer comprises a substrate layer and a semi-transparent layer arranged on two sides of the substrate layer, hollowed-out patterns for forming the first marking code and the second marking code are arranged on the substrate layer, a first light-transmitting area and a second light-transmitting area are arranged on the semi-transparent layer, the positions of the first light-transmitting area and the first marking code are opposite, the positions of the second light-transmitting area and the second marking code are opposite, and the light transmittance of the first light-transmitting area is larger than that of the second light-transmitting area; the both sides of sign indicating number layer all are provided with the viscose layer, and the luminousness of viscose layer is greater than the luminousness of semi-transparent layer. The two sides of the double-sided marking film are both sticky, so that any side of the double-sided marking film can be used as an adhesive side, the front side and the back side of the double-sided marking film do not need to be distinguished, and the efficiency of the double-sided marking film adhering operation is improved.
Description
Technical Field
The invention relates to the technical field of identification code manufacturing, in particular to a double-sided identification film and a circuit board comprising the double-sided identification film.
Background
With the rapid development of the electronic industry, electronic products further develop to miniaturization, light weight and high-density assembly, and the development of flexible circuit boards is greatly promoted, so that the connection integration of various components and wires is realized.
In order to better trace back the electronic product or a certain device in the electronic product, an identification code is often arranged in the electronic product, and the information trace back of the product or a certain component can be carried out by scanning the identification code, so that whether the product or the certain component is a genuine product is verified.
Chinese patent document CN 212970634U discloses a film and a circuit board, in which an identification code is provided on the film, then the film is stuck on a product or a certain component, and information tracing and verification are performed on the product by scanning the identification code. However, as the imitation technology of bad merchants is continuously improved, the identification results of the imitated identification codes and the identification codes of genuine products tend to be consistent, so that the existing identification code structure is difficult to be the basis for distinguishing the genuine products from the imitated products, and the maintenance rights of consumers and regular manufacturers are not facilitated; and the film needs to be distinguished from the front and the back when being stuck, which is not beneficial to improving the efficiency of film sticking operation.
Disclosure of Invention
The aim of the embodiment of the invention is that: provided are a double-sided marking film and a wiring board, which can improve the accuracy of a recognition result.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in a first aspect, there is provided a double-sided signage film comprising:
the identification code layer is internally provided with a first identification code and a second identification code, the first identification code and the second identification code are spaced in position, the identification code layer comprises a substrate layer and semi-transparent layers arranged on two sides of the substrate layer, the substrate layer is provided with hollowed-out patterns for forming the first identification code and the second identification code, the semi-transparent layers are provided with a first light transmission area and a second light transmission area, the first light transmission area is opposite to the first identification code in position, the second light transmission area is opposite to the second identification code in position, and the light transmittance of the first light transmission area is larger than that of the second light transmission area;
the adhesive layer, the both sides on sign indicating number layer all are provided with the adhesive layer, the luminousness of adhesive layer is greater than the luminousness of semi-transparent layer.
As a preferable mode of the double-sided marking film, the gray values of the semi-transparent layer and the base material layer are different, and the semi-transparent layer and the base material layer are combined to form the first marking code and the second marking code.
As a preferable mode of the double-sided marking film, the thickness of the first light-transmitting area is smaller than that of the second light-transmitting area.
As a preferable scheme of the double-sided marking film, the hollowed-out pattern is filled with a contrast material, and the gray values of the contrast material and the base material layer are different.
As a preferable scheme of the double-sided marking film, at least one first light-transmitting area on one of the semi-transparent layers is provided with a hollowed-out area, and the hollowed-out area is opposite to the first marking code.
As a preferable scheme of the double-sided marking film, the double-sided marking film comprises a protective layer, wherein the protective layer is arranged between the semi-transparent layer and the adhesive layer, and the light transmittance of the protective layer is larger than that of the semi-transparent layer.
As a preferable mode of the double-sided marking film, one of the base material layer and the contrast material is black in color, and the other of the base material layer and the contrast material is white in color.
As a preferable scheme of the double-sided marking film, the double-sided marking film comprises a release layer, wherein the release layer is arranged on one side of the adhesive layer away from the marking code layer.
As a preferable mode of the double-sided marking film, the substrate layer is a metal layer or an insulating layer.
As a preferable scheme of the double-sided marking film, the first marking code comprises at least one of a bar code, a two-dimensional code and characters; and/or the number of the groups of groups,
the second identification code includes at least one of a bar code, a two-dimensional code, and a character.
As a preferable scheme of the double-sided marking film, the marking code layer comprises a transparent medium layer, the transparent medium layer is arranged between the semi-transparent layer and the substrate layer, and the transparent medium layer is used for supporting the substrate layer.
In a second aspect, a circuit board is provided, including a substrate and the double-sided marking film, where one of adhesive layers of the double-sided marking film is attached to the substrate.
The beneficial effects of the invention are as follows: by setting the first identification code and the second identification code, the information of the product can be stored in a channel division manner, and the second identification code can be used as an anti-counterfeiting code; by arranging the first light transmission area and the second light transmission area on the semi-transparent layer, when the light of the environment is weaker, the first light transmission area has higher light transmittance, so that the first identification code can be identified, the second light transmission area has lower light transmittance, the light penetrating through the second light transmission area is less, the semi-transparent layer shields the second identification code, at the moment, the second identification code is hidden, when the light of the environment is stronger, the light penetrating through the second light transmission area is more, at the moment, the second identification code can be exposed, and the second identification code can be identified through a scanner, so that the information of the second identification code is obtained, namely, only the second identification code with an anti-counterfeiting function in a specific environment can be identified, and the accuracy of an identification result is improved; through set up fretwork pattern in order to shaping first identification code and second identification code on the substrate layer, and the both sides of substrate layer all are provided with semi-transparent layer and viscose layer, can make two sides of two-sided identification film all have the viscidity for arbitrary one side of two-sided identification film all can be as the sticky face, need not distinguish the positive and negative of two-sided identification film, is favorable to improving the efficiency of two-sided identification film pasting operation.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
Fig. 1 is a schematic view of a double-sided adhesive label according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a double-sided adhesive label according to a second embodiment of the invention.
Fig. 3 is a schematic view of a double-sided adhesive label according to a third embodiment of the present invention.
Fig. 4 is a schematic view of a double-sided adhesive label according to a fourth embodiment of the present invention.
Fig. 5 is a schematic diagram of a double-sided adhesive label according to a fifth embodiment of the invention.
Fig. 6 is a schematic diagram of a double-sided adhesive label according to a sixth embodiment of the invention.
Fig. 7 is a schematic diagram of a circuit board according to an embodiment of the invention.
Fig. 8 is a schematic diagram of a circuit board according to a second embodiment of the invention.
In the figure:
100. a double-sided marking film; 200. a substrate; 300. a shielding film;
1. an adhesive layer; 2. an identification code layer; 21. a substrate layer; 211. hollowed-out patterns; 22. a semi-transparent layer; 221. a first light-transmitting region; 222. a second light-transmitting region; 223. a hollowed-out area; 23. a first identification code; 24. a second identification code; 25. a transparent dielectric layer; 3. a contrast material; 4. a protective layer; 5. and (5) a release layer.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, 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 some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1, the double-sided marking film 100 provided by the invention comprises a marking code layer 2 and an adhesive layer 1, wherein a first marking code 23 and a second marking code 24 are arranged in the marking code layer 2, the first marking code 23 and the second marking code 24 are spaced, the marking code layer 2 comprises a base material layer 21 and semi-transparent layers 22 arranged on two sides of the base material layer 21, hollowed-out patterns 211 for forming the first marking code 23 and the second marking code 24 are arranged on the base material layer 21, a first light-transmitting area 221 and a second light-transmitting area 222 are arranged on the semi-transparent layers 22, the first light-transmitting area 221 is opposite to the first marking code 23, the second light-transmitting area 222 is opposite to the second marking code 24, the light transmittance of the first light-transmitting area 221 is greater than the light transmittance of the second light-transmitting area 222, the adhesive layer 1 is arranged on two sides of the marking code layer 2, and the light transmittance of the adhesive layer 1 is greater than the light transmittance of the semi-transparent layers 22. By setting the first identification code 23 and the second identification code 24, information of the product can be stored in a channel, for example, production date information of the product is stored in the first identification code 23, anti-counterfeiting information of the product is stored in the second identification code 24, and at this time, the second identification code 24 can be used as an anti-counterfeiting code; by arranging the first light transmission area 221 and the second light transmission area 222 on the semi-transparent layer 22, when the light of the environment is weaker, the first light transmission area 221 has higher light transmittance, so that the first identification code 23 can be identified, the second light transmission area 222 has lower light transmittance, the light penetrating through the second light transmission area 222 is less, the semi-transparent layer 22 shields the second identification code 24, at the moment, the second identification code 24 is hidden, when the light of the environment is stronger, the light penetrating through the second light transmission area 222 is more, at the moment, the second identification code 24 can be exposed, and the second identification code 24 can be identified through a scanner, so that the information of the second identification code 24 can be obtained, namely, only the second identification code 24 with an anti-counterfeiting function under a specific environment can be identified, the accuracy of identification results is improved, and the identification of genuine products and imitation products is facilitated; through setting up fretwork pattern 211 in order to form first identification code 23 and second identification code 24 on substrate layer 21, and the both sides of substrate layer 21 all are provided with semi-transparent layer 22 and viscose layer 1, can make two sides of two-sided identification film 100 all have the viscidity for two-sided identification film 100's arbitrary one side all can be regarded as the sticky face, need not distinguish the positive and negative of two-sided identification film 100, is favorable to improving two-sided identification film 100 and pastes the efficiency of operation.
In one embodiment, the gray values of the semi-transparent layer 22 and the substrate layer 21 are different, and the semi-transparent layer 22 and the substrate layer 21 are combined to form the first identification code 23 and the second identification code 24. Referring to fig. 1, the two semi-transparent layers 22 are respectively an a semi-transparent layer 22 and a B semi-transparent layer 22, the two adhesive layers 1 are respectively an a adhesive layer 1 and a B adhesive layer 1, when the B adhesive layer 1 is adhered on a product, light enters the identification code layer 2 from the a semi-transparent layer 22, at this time, the B semi-transparent layer 22 and the substrate layer 21 can form color contrast, and a first identification code 23 and a second identification code 24 are formed between the B semi-transparent layer 22 and the substrate layer 21; accordingly, when the adhesive layer 1 is adhered to a product, light enters the identification code layer 2 from the semi-transparent layer 22, and at this time, the light transmitted through the semi-transparent layer 22 is less, so that the semi-transparent layer 22 and the substrate layer 21 can form color contrast, and a first identification code 23 and a second identification code 24 are formed between the semi-transparent layer 22 and the substrate layer 21. In order to improve the contrast between the semi-transparent layer 22 and the base material layer 21, the semi-transparent layer 22 may be made of a white adhesive layer, and the base material layer 21 may be made of a black material. Setting the semi-transparent layer 22 to be white can enable light to pass through the semi-transparent layer 22, and avoid the semi-transparent layer 22 from completely shielding the substrate layer 21. It will be appreciated that the black and white gray values are greatly different, so that a relatively obvious contrast of brightness and darkness can be formed between the semi-transparent layer 22 and the substrate layer 21 to a certain extent, so as to enhance the definition and resolution between the first identification code 23 and the second identification code 24, and thus the scanner can conveniently identify the first identification code 23 and the second identification code 24.
In this embodiment, the thickness of the first light transmitting region 221 may be set smaller than that of the second light transmitting region 222, and the local light transmittance of the semi-light transmitting layer 22 is improved by thinning the local thickness of the semi-light transmitting layer 22, so that the first identification code 23 can be recognized even in the case where the ambient light is dark.
In this embodiment, the hollowed-out area 223 may be further disposed on the first light-transmitting area 221, the hollowed-out area 223 may be disposed on the first light-transmitting area 221 on one semi-transparent layer 22, or the hollowed-out area 223 may be disposed on the first light-transmitting areas 221 on both semi-transparent layers 22. When the double-sided adhesive film 100 is attached to a product, the color of the product can be exposed through the hollowed-out pattern 211 of the substrate layer 21, and at this time, the substrate layer 21 can form a color contrast with the product, and the substrate layer 21 and the product together form the first identification code 23 and the second identification code 24.
Referring to fig. 2, in another embodiment, the hollowed pattern 211 of the substrate layer 21 may be filled with the contrast material 3, where the gray values of the contrast material 3 and the substrate layer 21 are different. At this time, the base material layer 21 and the contrast material 3 are combined to form the first identification code 23 and the second identification code 24.
Referring to the above embodiment, this embodiment can also increase the light transmittance of the first light transmitting region 221 by reducing the thickness of the first light transmitting region 221 so that the light transmittance of the first light transmitting region 221 is greater than the light transmittance of the second light transmitting region 222.
Referring to fig. 3, of course, the hollowed-out area 223 may be disposed in the first light-transmitting area 221 of the semi-transparent layer 22, the hollowed-out area 223 may be disposed in the first light-transmitting area 221 of one semi-transparent layer 22, or the hollowed-out areas 223 may be disposed in the first light-transmitting areas 221 of both semi-transparent layers 22. Through setting up fretwork region 223, can expose first identification code 23 with the mode of fretwork, reduce the shielding of semi-transparent layer 22 to first identification code 23, guarantee also can discern first identification code 23 under the darker condition of environment.
Referring to fig. 4, specifically, the double-sided adhesive film 100 further includes a protective layer 4, the protective layer 4 is disposed between the semi-transparent layer 22 and the adhesive layer 1, and the light transmittance of the protective layer 4 is greater than that of the semi-transparent layer 22, at this time, the protective layer 4 may cover the first identification code 23, so as to protect the first identification code 23, and the first identification code 23 is prevented from being scratched.
In this embodiment, the hollowed-out pattern 211 of the substrate layer 21 is filled with the contrast material 3, and the gray values of the contrast material 3 and the substrate layer 21 are different, specifically, the color of the substrate layer 21 may be set to be black, the color of the contrast material 3 may be set to be white, or of course, the color of the substrate layer 21 may be set to be white, and the color of the contrast material 3 may be set to be black. It will be appreciated that the black and white grey values are more distinct, and a more pronounced contrast between the contrast material 3 and the substrate layer 21 may be achieved to some extent to enhance the sharpness and resolution of the first identification code 23 and the second identification code 24, which may facilitate the identification of the first identification code 23 and the second identification code 24 by the scanner.
In one embodiment, the substrate layer 21 may be a metal layer, and the metal layer is made of at least one element of nickel, silver, platinum, titanium, aluminum, cobalt and chromium; or the material of the metal layer is an alloy formed by at least two of nickel, silver, platinum, titanium, aluminum, cobalt and chromium; or, the material of the metal layer is a combination of alloys formed by at least two of nickel, silver, platinum, aluminum, titanium, aluminum, cobalt and chromium, specifically, the contrast material 3 is a metal with lighter color such as white or silvery white, for example, a metal such as nickel, silver, platinum, chromium, titanium, aluminum, cobalt or an alloy of any two or more of the above metals, and the substrate layer 21 is a black metal layer, for example, a metal simple substance such as iron, chromium or manganese or an alloy thereof, for example, black metal iron and an alloy thereof such as steel, pig iron, iron alloy, cast iron, and the like, and at this time, the hollowed-out pattern 211 may be hollowed out on the substrate layer 21 by adopting a laser etching manner.
In another embodiment, the substrate layer 21 is an insulating layer, and the contrast material 3 may be an insulating material or a metal. In order to meet the requirement of light and thin electronic devices, the thickness range of the identification code layer 2 can be more than 2 micrometers, the thickness range of the adhesive layer 1 can be 1-30 micrometers, the thickness range of the semi-transparent layer 22 can be 1-30 micrometers, and the thickness range of the protective layer 4 can be 1-30 micrometers. Preferably, the thickness of the identification code layer 2 is 4 microns, the thickness of the adhesive layer 1 is 4 microns, the thickness of the semi-transparent layer 22 is 4 microns, and the thickness of the protective layer 4 is 4 microns.
Referring to fig. 5, in particular, the double-sided adhesive film 100 further includes a release layer 5, the release layer 5 being disposed on a side of the adhesive layer 1 remote from the identification code layer 2. When in use, the release layer 5 on one side can be removed, the adhesive layer 1 on the side is exposed, and then the adhesive layer 1 is attached to a product. By providing the release layer 5, the double-sided adhesive film 100 can be prevented from being adhered to other articles by mistake, thereby avoiding accidental damage to the double-sided adhesive film 100.
Specifically, the first identification code 23 includes at least one of a bar code, a two-dimensional code, and a character, the second identification code 24 includes at least one of a bar code, a two-dimensional code, and a character, and the kinds of the first identification code 23 and the second identification code 24 can be selected according to actual needs. The identification code is a unique corresponding identification mark for identifying the component or the electronic product. The identification code may include a number, a letter, or other character graphic, or may be a bar code or a two-dimensional code, and the identification film of this embodiment may include at least one of the above bar code, the two-dimensional code, and the character, so as to identify a corresponding component or electronic product.
Referring to fig. 6, specifically, the identification code layer 2 further includes a transparent dielectric layer 25, the transparent dielectric layer 25 is disposed between the semi-transparent layer 22 and the substrate layer 21, the transparent dielectric layer 25 is used to form the substrate layer 21, the transparent dielectric layer 25 may be disposed between both the semi-transparent layers 22 and the substrate layer 21, or the transparent dielectric layer 25 may be disposed between only one of the semi-transparent layers 22 and the substrate layer 21. Because be provided with the fretwork pattern 211 on the substrate layer 21, it can be understood that the setting of fretwork pattern 211 can reduce the intensity of substrate layer 21 for substrate layer 21 produces deformation easily, sets up transparent medium layer 25, and transparent medium layer 25 can provide the support for substrate layer 21, avoids substrate layer 21 to take place great deformation, avoids substrate layer 21 beacon to cause first identification code 23 and second identification code 24 distortion, guarantees that first identification code 23 and second identification code 24 can be discerned.
In particular, the adhesive layer 1 may be a thermosetting adhesive or a thermoplastic adhesive. Thermosetting adhesives are adhesives which form chemical bonds under the action of a thermal catalyst alone or in combination, and are not melted or dissolved after being solidified. Thermoplastic rubber is a high molecular material which shows rubber elasticity at normal temperature and is plastic when heated. The adhesive layer 1 may be a styrene resin, a vinyl acetate resin, a polyester resin, a polyethylene resin, a polystyrene resin, an imide resin, an acrylic resin, or the like. Specifically, the adhesive layer 1 may be polyvinyl acetate, polyvinyl acetal, ethylene-vinyl acetate copolymer resin, vinyl chloride-vinyl acetate copolymer resin, perchloroethylene resin, polyacrylate, polyamide, polysulfone, or the like.
Referring to fig. 7, the present embodiment further provides a circuit board, which includes a substrate 200 and the double-sided adhesive film 100, where one adhesive layer 1 of the double-sided adhesive film 100 is adhered to the substrate 200. At this time, the information of the circuit board can be stored by the first identification code 23 and the second identification code 24, respectively, so that the anti-counterfeiting capability of the circuit board can be improved. The circuit board can be applied to a computer, a television, an intelligent wearable device or the like, and the embodiment is not particularly limited to this. Referring to fig. 8, the marking film of the present embodiment may also be used together with a shielding film 300, and the double-sided marking film 100 may be directly attached to the shielding film 300 through an adhesive layer 1 and then attached to the substrate 200.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (12)
1. A double-sided signage film comprising:
the identification code layer is internally provided with a first identification code and a second identification code, the first identification code and the second identification code are spaced in position, the identification code layer comprises a substrate layer and semi-transparent layers arranged on two sides of the substrate layer, the substrate layer is provided with hollowed-out patterns for forming the first identification code and the second identification code, the semi-transparent layers are provided with a first light transmission area and a second light transmission area, the first light transmission area is opposite to the first identification code in position, the second light transmission area is opposite to the second identification code in position, and the light transmittance of the first light transmission area is larger than that of the second light transmission area;
the adhesive layer, the both sides on sign indicating number layer all are provided with the adhesive layer, the luminousness of adhesive layer is greater than the luminousness of semi-transparent layer.
2. The double-sided signage film of claim 1, wherein the semi-transmissive layer and the substrate layer have different gray values, the semi-transmissive layer and the substrate layer being combined to form the first and second signage codes.
3. The double-sided signage film of claim 2, wherein the thickness of the first light transmissive region is less than the thickness of the second light transmissive region.
4. The double-sided signage film of claim 1, wherein the hollowed-out pattern is filled with a contrast material, and wherein the contrast material and the substrate layer have different gray values.
5. The double-sided signage film of claim 4, wherein at least one of said semi-transmissive areas on said semi-transmissive layer has a hollowed-out area disposed directly opposite said first signage code.
6. The double-sided signage film of claim 5, comprising a protective layer disposed between the semi-transmissive layer and the adhesive layer, the protective layer having a light transmittance that is greater than the light transmittance of the semi-transmissive layer.
7. The double-sided signage film of claim 4, wherein one of the substrate layer and the contrast material is black in color and the other of the substrate layer and the contrast material is white in color.
8. The double-sided signage film of claim 1, comprising a release layer disposed on a side of the adhesive layer remote from the signage layer.
9. The double-sided signage film of claim 1, wherein the substrate layer is a metal layer or an insulating layer.
10. The double-sided signage film of claim 1, wherein the first signage code comprises at least one of a bar code, a two-dimensional code, and a character; and/or the number of the groups of groups,
the second identification code includes at least one of a bar code, a two-dimensional code, and a character.
11. The double-sided signage film of claim 1, wherein the signage layer comprises a transparent dielectric layer disposed between the semi-transparent layer and the substrate layer, the transparent dielectric layer for supporting the substrate layer.
12. A circuit board comprising a substrate, and further comprising the double-sided labelstock as claimed in any one of claims 1 to 11, wherein one of the adhesive layers of the double-sided labelstock is attached to the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654486.7A CN116419467A (en) | 2021-12-30 | 2021-12-30 | Double-sided identification film and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654486.7A CN116419467A (en) | 2021-12-30 | 2021-12-30 | Double-sided identification film and circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116419467A true CN116419467A (en) | 2023-07-11 |
Family
ID=87056644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111654486.7A Pending CN116419467A (en) | 2021-12-30 | 2021-12-30 | Double-sided identification film and circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116419467A (en) |
-
2021
- 2021-12-30 CN CN202111654486.7A patent/CN116419467A/en active Pending
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