High-conductivity copper foil

Abstract

The utility model discloses a high-conductivity copper foil, which belongs to the field of electric copper foils and comprises a copper foil layer, a waterproof layer arranged on the outer side of the copper foil layer, a non-woven fabric conductive layer arranged on the top of the waterproof layer, a buffer layer arranged on the top of the non-woven fabric conductive layer, a protective film arranged on the outer side of the buffer layer and a support component arranged on the outer side of the protective film. The buffer layer is made of rubber, the protective film is made of a polyvinyl chloride film, the transverse supporting columns and the vertical supporting layers are arranged so as to prevent the whole body from curling and bending, and meanwhile, the detachable protective film is additionally arranged, so that the protective performance of the copper foil layer and the non-woven fabric conducting layer is improved, and the service life of the copper foil layer and the non-woven fabric conducting layer is prolonged. The safety of the copper foil layer and the non-woven fabric conducting layer in the transportation process is enhanced, better protection is provided, and it is ensured that the copper foil layer and the non-woven fabric conducting layer are kept in a good state before use.

Description

Technical Field

[0001] The utility model relates to the field of electrical copper foil, and more particularly to a high-conductivity copper foil. Background Art

[0002] Conductive copper foil is a material with excellent electrical conductivity and is widely used in electronic components, lithium batteries, flexible circuit boards and other fields. It is usually prepared through special processes such as electrolytic deposition or hot rolling to improve its conductivity and mechanical properties. The conductive properties of copper foil directly affect the overall performance of the circuit, so its quality and stability are increasingly demanded.

[0003] For example, patent (CN210065631U) discloses a conductive copper foil that solves the technical problems that the internal assembly space of electronic components is limited, the copper foil is easily broken due to poor toughness when applied to electronic components, and the heat dissipation performance of a single copper foil heat dissipation structure is poor;

[0004] When using the above technology, we found the following technical problems in the existing technology: during transportation and storage, copper foil is prone to curling and bending, resulting in its performance degradation and even affecting subsequent processing and application. To this end, we designed high-conductivity copper foil to provide another technical solution to the above technical problems. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In response to the problems existing in the prior art, the purpose of the present invention is to provide a highly conductive copper foil, which improves the protective performance of the copper foil layer and the non-woven conductive layer, enhances the safety of the copper foil layer and the non-woven conductive layer during transportation, and provides better protection to ensure that the copper foil layer and the non-woven conductive layer remain in good condition before use.

[0007] 2. Technical solution

[0008] In order to solve the above problems, the present invention adopts the following technical solutions.

[0009] The highly conductive copper foil comprises a copper foil layer, a waterproof layer is provided on the outside of the copper foil layer, a non-woven conductive layer is provided on the top of the waterproof layer, a buffer layer is provided on the top of the non-woven conductive layer, a protective film is provided on the outside of the buffer layer, and a support component is provided on the outside of the protective film.

[0010] Furthermore, the material of the buffer layer is rubber;

[0011] The material of the protective film is polyvinyl chloride film.

[0012] Furthermore, the support assembly includes a longitudinal adhesive strip, both ends of the protective film are provided with a longitudinal adhesive strip, the outer side of the longitudinal adhesive strip is provided with a vertical support layer, and the top and bottom between the two vertical support layers are provided with detachable horizontal support columns.

[0013] Furthermore, a plurality of vertical tearing grooves are evenly distributed on the outer side of the vertical supporting layer, and a plurality of vertical tearing holes are evenly distributed inside the vertical tearing grooves.

[0014] Furthermore, dovetail blocks are fixed to both ends of the transverse support column, and dovetail grooves adapted to the dovetail blocks are opened inside the vertical support layer.

[0015] Furthermore, longitudinal film strips are provided at both ends of the interior of the protective film, and a transverse rectangular connecting block is fixed to one end of the longitudinal film strip close to the longitudinal adhesive strip. The transverse rectangular connecting block is fixedly connected to the longitudinal adhesive strip, and a rectangular sliding groove adapted to the transverse rectangular connecting block is opened inside the protective film, and a plurality of transverse tear holes are also opened inside both ends of the protective film.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] This solution sets up horizontal support columns and vertical support layers to prevent overall curling and bending. At the same time, it also adds a detachable protective film to improve the protective performance of the copper foil layer and the non-woven conductive layer, enhance the safety of the copper foil layer and the non-woven conductive layer during transportation, and provide better protection to ensure that the copper foil layer and the non-woven conductive layer are in good condition before use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the horizontal support column and the vertical support layer of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the copper foil layer and the waterproof layer of the utility model;

[0022] Figure 4 This is a schematic structural diagram of the longitudinal film strip and the transverse rectangular connecting block of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the horizontal support column and the vertical support layer of the utility model;

[0024] Figure 6This is a schematic structural diagram of the transverse support column and dovetail block of the utility model.

[0025] Description of the numbers in the figure:

[0026] 1. Copper foil layer; 2. Waterproof layer; 3. Non-woven conductive layer; 4. Horizontal support column; 41. Dovetail block; 5. Vertical support layer; 51. Vertical tear groove; 52. Vertical tear hole; 6. Buffer layer; 7. Protective film; 8. Longitudinal film strip; 9. Horizontal rectangular connecting block; 10. Longitudinal adhesive strip. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] Example:

[0029] See also Figure 1-6 , a highly conductive copper foil comprises a copper foil layer 1, a waterproof layer 2 is provided on the outside of the copper foil layer 1, a non-woven conductive layer 3 is provided on the top of the waterproof layer 2, a buffer layer 6 is provided on the top of the non-woven conductive layer 3, a protective film 7 is provided on the outside of the buffer layer 6, and a supporting component is provided on the outside of the protective film 7. The non-woven conductive layer 3 has good electrical conductivity and is suitable for electrical connection and signal transmission. Compared with traditional metal materials, it is lighter in weight, easy to process and transport, adapts to applications with complex shapes, and is suitable for flexible electronic products;

[0030] The buffer layer 6 is made of rubber, which has high elasticity and can effectively absorb and release impact energy, thereby reducing the impact of vibration and impact on the copper foil layer 1 and the non-woven conductive layer 3;

[0031] The material of the protective film 7 is polyvinyl chloride film, which has good electrical insulation properties and can better protect the copper foil layer 1 and the non-woven conductive layer 3. It has good tensile and tear resistance and can effectively resist physical damage.

[0032] The support assembly includes a longitudinal adhesive strip 10, and longitudinal adhesive strips 10 are provided at both ends of the protective film 7. A vertical support layer 5 is provided on the outside of the longitudinal adhesive strip 10. Removable transverse support columns 4 are provided at the top and bottom between the two vertical support layers 5. The provision of the transverse support columns 4 can improve the bending ability of the copper foil layer 1 and facilitate transportation. The provision of the vertical support layer 5 can increase the overall lateral support capacity and prevent the overall curling.

[0033] A plurality of vertical tear grooves 51 are evenly distributed on the outside of the vertical support layer 5, and a plurality of vertical tear holes 52 are evenly distributed inside the vertical tear grooves 51. The arrangement of the vertical tear grooves 51 and the vertical tear holes 52 can improve the tearing performance of the vertical support layer 5, so that the vertical support layer 5 can be torn in sections.

[0034] Dovetail blocks 41 are fixed to both ends of the transverse support column 4, and dovetail grooves adapted to the dovetail blocks 41 are opened inside the vertical support layer 5. Through the arrangement of the dovetail blocks 41 and the dovetail grooves, the transverse support column 4 can be installed between the two vertical support layers 5, and the separation between the transverse support column 4 and the vertical support layer 5 is facilitated;

[0035] Longitudinal film strips 8 are provided at both ends of the protective film 7. A transverse rectangular connecting block 9 is fixed to one end of the longitudinal film strip 8 close to the longitudinal adhesive strip 10. The transverse rectangular connecting block 9 is fixedly connected to the longitudinal adhesive strip 10. A rectangular sliding groove adapted to the transverse rectangular connecting block 9 is provided inside the protective film 7, and a plurality of transverse tearing holes are also provided inside both ends of the protective film 7. When the longitudinal adhesive strip 10 is lifted, the longitudinal film strip 8 is driven by the transverse rectangular connecting block 9 to drive the protective film 7 so that the protective film 7 is torn, so that the protective film 7 can be disassembled.

[0036] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. Highly conductive copper foil, characterized by: The invention comprises a copper foil layer (1), a waterproof layer (2) is provided on the outside of the copper foil layer (1), a non-woven conductive layer (3) is provided on the top of the waterproof layer (2), a buffer layer (6) is provided on the top of the non-woven conductive layer (3), a protective film (7) is provided on the outside of the buffer layer (6), and a support component is provided on the outside of the protective film (7).

2. The highly conductive copper foil according to claim 1, wherein: The material of the buffer layer (6) is rubber; The material of the protective film (7) is a polyvinyl chloride film.

3. The highly conductive copper foil according to claim 1, wherein: The support assembly comprises a longitudinal adhesive strip (10), both ends of the protective film (7) are provided with a longitudinal adhesive strip (10), the outer side of the longitudinal adhesive strip (10) is provided with a vertical support layer (5), and the top and bottom between the two vertical support layers (5) are provided with a detachable transverse support column (4).

4. The highly conductive copper foil according to claim 3, wherein: A plurality of vertical tearing grooves (51) are evenly distributed on the outer side of the vertical support layer (5), and a plurality of vertical tearing holes (52) are evenly distributed inside the vertical tearing grooves (51).

5. The highly conductive copper foil according to claim 3, wherein: Dovetail blocks (41) are fixed to both ends of the transverse support column (4), and dovetail grooves adapted to the dovetail blocks (41) are provided inside the vertical support layer (5).

6. The highly conductive copper foil according to claim 3, wherein: Both ends of the protective film (7) are provided with longitudinal film strips (8), and a transverse rectangular connecting block (9) is fixed to one end of the longitudinal film strip (8) close to the longitudinal adhesive strip (10). The transverse rectangular connecting block (9) is fixedly connected to the longitudinal adhesive strip (10). A rectangular sliding groove adapted to the transverse rectangular connecting block (9) is provided inside the protective film (7), and a plurality of transverse tear holes are also provided inside both ends of the protective film (7).

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