Ultrathin soft conductive patch with excellent oxidation resistance
Through technical means such as conductive fiber weaving and copper-nickel conductive coating, the problem of the existing conductive patches being not soft and thin enough is solved, and the lightweight and high conductivity of ultra-thin and soft conductive patches are achieved, which improves the assembly yield.
Patent Information
- Application Number
- CN202420532561.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The existing conductive patches are not soft and thin enough, resulting in an increase in weight of electronic products and easily irrecoverable creases, reducing the assembly yield rate.
A conductive fabric woven with conductive fibers is used as the main body, and a copper-nickel conductive coating is provided on its surface. The other side is covered with insulating tape and conductive double-sided adhesive layer. Combined with a non-conductive double-sided adhesive layer, an ultra-thin and soft conductive patch with excellent oxidation resistance is formed.
The light texture of the conductive patch is realized, adapted to irregular surfaces, reduce the generation of bubbles and creases, improve the assembly yield, and prevent oxidation through copper-nickel conductive coating to maintain conductive properties.
Smart Images
Figure CN222927217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of conductive patches, and particularly relates to an ultra-thin and flexible conductive patch with excellent antioxidant performance. Background Art
[0002] With the rapid development of the electronics industry and the fast pace of technological updates, electronic products such as laptops are constantly updated. Consumers have higher and higher requirements for the appearance and functions of laptops, and require the products to be thinner and lighter. The existing conductive patches used in electronic products use copper foil or aluminum foil as the main body, which are not soft and light enough, do not conform to the development trend of lightweight and thinness, resulting in an increase in the weight of the entire electronic product, and are prone to irreversible creases during operation, reducing the assembly yield. Content of the Utility Model
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide an ultra-thin and flexible conductive patch with excellent antioxidant performance.
[0004] To achieve the above technical purpose and reach the above technical effect, the utility model is realized through the following technical solutions:
[0005] An ultra-thin and flexible conductive patch with excellent antioxidant performance, including a conductive cloth, one side of the conductive cloth is covered with an insulating tape, the other side of the conductive cloth is provided with a conductive double-sided adhesive layer, and a non-conductive double-sided adhesive layer is provided outside the insulating tape; the conductive cloth is woven from conductive fibers.
[0006] As a further improvement of the above technical solution of the utility model, a copper-nickel conductive coating is provided on the surface of the conductive cloth.
[0007] As a further improvement of the above technical solution of the utility model, the insulating tape is a polyester single-sided tape.
[0008] As a further improvement of the above technical solution of the utility model, the insulating tape is composed of a polyester substrate and an acrylic resin adhesive layer provided on the polyester substrate.
[0009] As a further improvement of the above technical solution of the utility model, the conductive double-sided adhesive layer contains conductive particles and conductive fibers.
[0010] As a further improvement of the above technical solution of the utility model, the thickness of the conductive patch is 0.15 - 0.18 mm.
[0011] As a further improvement of the above technical solution of the utility model, the conductive double-sided adhesive layer partially covers one side of the conductive cloth, and the non-conductive double-sided adhesive layer partially covers the outside of the insulating tape.
[0012] As a further improvement of the above technical solution of the present utility model, the planar conduction resistance of the conductive cloth is less than 0.07 ohm.
[0013] As a further improvement of the above technical solution of the present utility model, the vertical conduction resistance of the conductive double-sided adhesive layer is less than 0.02 ohm.
[0014] As a further improvement of the above technical solution of the present utility model, the 180-degree peel strength of the conductive double-sided adhesive layer and the non-conductive double-sided adhesive layer is > 1200 g / 2.5 cm.
[0015] The beneficial effects of the present utility model are as follows:
[0016] The present utility model uses a conductive cloth woven with conductive fibers as the main body, which is relatively soft and thin, can better adapt to irregular attachment surfaces, and reduce the generation of bubbles and creases.
[0017] The surface of the conductive cloth is provided with a copper-nickel conductive coating, which can effectively block air, avoid oxidation of the inner metal conductive fiber woven layer, and thus avoid affecting the conductive performance.
[0018] One side of the conductive cloth is covered with an insulating tape, which can provide an insulating effect.
[0019] Both layers of the conductive patch are provided with double-sided adhesives, which can facilitate assembly, and the conductive double-sided adhesive layer on the side of the conductive cloth contains conductive particles and conductive fibers, which can provide a conductive function.
[0020] The total thickness of the conductive patch of the present utility model is 0.15 - 0.18 mm, which is relatively thin and conforms to the product development trend of lightweight and thinness. Description of the Drawings
[0021] Figure 1 It is a cross-sectional view of the ultra-thin and soft conductive patch of the present utility model.
[0022] Figure 2 It is an exploded structural schematic diagram of the ultra-thin and soft conductive patch of the embodiment of the present utility model.
[0023] In the figure, 1: conductive cloth; 2: insulating tape; 3: conductive double-sided adhesive layer; 4: non-conductive double-sided adhesive layer. Detailed Embodiments
[0024] The following will elaborate on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.
[0025] As Figure 1As shown in the figure, the present utility model provides an ultra-thin soft conductive patch with excellent antioxidant performance, which includes a conductive fabric 1. One side of the conductive fabric 1 is covered with an insulating tape 2, and the other side of the conductive fabric 1 is provided with a conductive double-sided adhesive layer 3. The outer side of the insulating tape 2 is provided with a non-conductive double-sided adhesive layer 4; the conductive fabric 1 is woven from conductive fibers.
[0026] The surface of the conductive fabric 1 is provided with a copper-nickel conductive coating, which can effectively block air and prevent the oxidation of the inner metal conductive fiber braided layer from affecting the conductive performance.
[0027] The present utility model uses a conductive fabric as the main body, which is relatively soft in texture and can better adapt to irregular attachment surfaces, reducing the generation of bubbles and creases.
[0028] The surface of the conductive fabric 1 is provided with a copper-nickel conductive coating, which can effectively block air and prevent the oxidation of the inner metal conductive fiber braided layer, thereby avoiding affecting the conductive performance.
[0029] The insulating tape 2 therein can provide an insulating effect; the insulating tape 2 is preferably a polyester single-sided tape (Mylar tape), and the insulating tape 2 is composed of a polyester substrate and an acrylic resin adhesive layer provided on the polyester substrate.
[0030] The conductive double-sided adhesive layer 3 and the non-conductive double-sided adhesive layer 4 can facilitate the assembly of the conductive patch with electronic products; the conductive double-sided adhesive layer 3 covers one side of the conductive fabric 1 in a partial coverage form according to the shape of the electronic product, and the non-conductive double-sided adhesive layer 4 partially covers the outer side of the insulating tape 2. And the conductive double-sided adhesive layer 3 on one side of the conductive fabric contains conductive particles and conductive fibers, which can provide a conductive function. Moreover, the conductive double-sided adhesive layer 3 is composed of a conductive non-woven fabric substrate and a conductive acrylate resin adhesive provided on the surface of the conductive non-woven fabric substrate. The non-conductive double-sided adhesive layer 4 is composed of a polyester substrate and an acrylic resin adhesive provided on the surface of the polyester substrate.
[0031] The total thickness of the conductive patch is 0.15 - 0.18 mm, which is relatively thin and light, meeting the product development trend of lightweight and thin. Among them, the thickness of the conductive fabric 1 is 0.05 - 0.07 mm, preferably 0.055 m; the thickness of the insulating tape 2 is preferably 25 μm; the thickness of the conductive double-sided adhesive layer 3 is preferably 50 μm; the thickness of the non-conductive double-sided adhesive layer 4 is preferably 0.05 mm.
[0032] The planar conduction resistance of the conductive fabric 1 is less than 0.1 ohm, preferably less than 0.07 ohm. The conductive fabric 1 has an electromagnetic shielding performance of 70 - 100 dB in the frequency range of 30 MHz - 1.5 GHz.
[0033] The vertical conduction resistance of the conductive double-sided adhesive layer 3 is less than 0.05 ohms, preferably less than 0.02 ohms.
[0034] The 180-degree peel strength of the conductive double-sided adhesive layer 3 and the non-conductive double-sided adhesive layer 4 > 1200 g / 2.5 cm.
[0035] The shape of the conductive patch of the present utility model is designed according to the electronic product.
[0036] Embodiment
[0037] As Figure 2 shown, the ultra-thin soft conductive patch with excellent antioxidant performance in this embodiment includes a conductive cloth 1. One side of the conductive cloth 1 is covered with an insulating tape 2, and the other side of the conductive cloth 1 is provided with a conductive double-sided adhesive layer 3. The outside of the insulating tape 2 is provided with a non-conductive double-sided adhesive layer 4; the conductive cloth 1 is woven from conductive fibers.
[0038] The ultra-thin soft conductive patch of this embodiment is applied to a notebook camera module. The structure of the conductive cloth is designed according to the notebook camera module, as Figure 2 shown. Correspondingly, the insulating tape is designed according to the shape of the conductive cloth.
[0039] The present utility model uses a conductive cloth as the main body, which is relatively soft in texture and can better adapt to irregular attachment surfaces, reducing the generation of bubbles and creases. The thickness of the conductive cloth is 0.055 mm.
[0040] In addition, the surface of the conductive cloth 1 in this embodiment is provided with a copper-nickel conductive coating, which can effectively block air and prevent the oxidation of the inner metal conductive fiber braided layer from affecting the conductive performance.
[0041] The insulating tape 2 therein can provide an insulating effect; the insulating tape 2 is a polyester single-sided tape (Mylar tape), and this insulating tape is composed of a polyester substrate and an acrylic resin adhesive layer provided on the polyester substrate. The thickness of the insulating tape is 25 μm.
[0042] The double-sided adhesive layer covers one side of the conductive cloth or the outside of the insulating tape in a partial coverage form according to the shape of the electronic product. Specifically, in this embodiment, the non-conductive double-sided adhesive layer 4 covers most of the structure of the insulating tape 2, and the conductive double-sided adhesive layer 3 on one side of the conductive cloth only covers the lower two ends of the conductive cloth 1. The conductive double-sided adhesive layer 3 contains conductive particles and conductive fibers and can provide a conductive function. The thickness of the conductive double-sided adhesive layer 3 is 50 μm; the thickness of the non-conductive double-sided adhesive layer 4 is 0.05 mm.
[0043] In this embodiment, the non-conductive double-sided adhesive layer 4 on one side of the insulating tape is a transparent structure, the insulating tape 2 is black, the conductive cloth 1 is black, and the conductive double-sided adhesive layer 3 on one side of the conductive cloth is gray.
[0044] The conductive double-sided adhesive layer 3 and the non-conductive double-sided adhesive layer 4 can facilitate the assembly of the conductive patch with electronic products.
[0045] The thickness of the conductive patch is 0.18 mm, which is relatively thin and light, meeting the product development trend of lightweight and thinness.
[0046] The planar conduction resistance of the conductive cloth 1 is less than 0.1 ohm, and the vertical conduction resistance of the conductive double-sided adhesive layer 3 is less than 0.05 ohm.
[0047] The 180-degree peel strength of the conductive double-sided adhesive layer 3 and the non-conductive double-sided adhesive layer 4 > 1200 g / 2.5 cm.
[0048] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. An ultra-thin soft conductive patch with excellent anti-oxidation performance, characterized in that: It comprises a conductive cloth, one side of which is covered with an insulating tape, the other side of which is provided with a conductive double-sided adhesive layer, and the outer side of the insulating tape is provided with a non-conductive double-sided adhesive layer; the conductive cloth is woven with conductive fibers.
2. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The surface of the conductive cloth is provided with a copper-nickel conductive coating.
3. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The insulating tape is a polyester single-sided tape.
4. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 3, characterized in that: The insulating tape is composed of a polyester base material and an acrylic resin adhesive layer arranged on the polyester base material.
5. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The thickness of the conductive patch is 0.15-0.18 mm.
6. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The conductive double-sided adhesive layer partially covers one side of the conductive cloth, and the non-conductive double-sided adhesive layer partially covers the outer side of the insulating tape.
7. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The plane conduction resistance of the conductive cloth is less than 0.0.7 ohms.
8. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The vertical conduction resistance of the conductive double-sided adhesive layer is less than 0.02 ohms.
9. The ultra-thin flexible conductive patch with excellent anti-oxidation performance according to claim 1, characterized in that: The 180-degree peeling force of the conductive double-sided adhesive layer and the non-conductive double-sided adhesive layer is greater than 1200 g / 2.5 cm.