CN209955436U - Long-life high strength copper-clad plate - Google Patents
Long-life high strength copper-clad plate Download PDFInfo
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- CN209955436U CN209955436U CN201920068508.3U CN201920068508U CN209955436U CN 209955436 U CN209955436 U CN 209955436U CN 201920068508 U CN201920068508 U CN 201920068508U CN 209955436 U CN209955436 U CN 209955436U
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Abstract
The utility model discloses a long-life high-strength copper-clad plate, the copper-clad plate includes first copper foil layer, second copper foil layer and base plate, wherein the first copper foil layer is set up with the second copper foil layer symmetrically with the base plate as the axle, the upper surface, the lower surface of the base plate all are equipped with a plurality of convex ribs, and the first copper foil layer and the second copper foil layer are close to the one side of the base plate and all are equipped with the recess that agrees with the convex rib; the first copper foil layer, the second copper foil layer and the substrate are adhered through bonding glue; the bonding adhesive comprises graphene oxide, epoxy resin and dicyandiamide; the copper-clad plate is also provided with an anti-static layer, an anti-aging layer and an anti-corrosion layer, the adhesion between the substrate and the copper foil can be ensured through the engagement of the convex ribs and the grooves, and the bearing strength of the copper plate is increased; the bonding glue comprises graphene oxide, epoxy resin and dicyandiamide, so that the peel strength of the copper-clad plate after being heated can be further improved; the function of the copper-clad plate can be further enhanced by arranging the antistatic layer, the anti-aging layer and the anticorrosive layer, and the service life of the copper-clad plate is prolonged.
Description
Technical Field
The utility model relates to a copper technical field, concretely relates to longe-lived high strength copper-clad plate.
Background
The copper clad laminate is a product combining a reinforcing material and a resin glue solution, the surface of the copper clad laminate is coated with copper foil, and a plate-shaped material prepared by high temperature and high pressure is fully called a copper clad laminate, copper clad laminate for short, the copper clad laminate is one of important materials for manufacturing a circuit board (PCB), in recent years, along with rapid development of industrial science and technology in China and wide application of integrated circuits, electronic products are increasingly miniaturized and have high performance, so the demand of the industrial market for the copper clad laminate is gradually increased.
The working efficiency of the existing high-frequency/high-speed circuit is improved, the transmission speed is improved, and the transmission delay is reduced; therefore, the copper clad laminate has higher requirements on the strength and the service life of the copper clad laminate. Therefore, the existing market needs to provide a copper-clad plate with high strength and long service life.
SUMMERY OF THE UTILITY MODEL
Based on the problems, the invention aims to provide the copper-clad plate with high strength, long service life and better heat-conducting property.
In order to achieve the above purpose, the utility model adopts the following scheme: a long-life high-strength copper-clad plate comprises a first copper foil layer (1), a second copper foil layer (3) and a substrate (2), wherein the first copper foil layer (1) is symmetrically arranged with the second copper foil layer (3) by taking the substrate (2) as an axis, a plurality of convex ribs (21) are arranged on the upper surface and the lower surface of the substrate (2), and grooves (22) matched with the convex ribs (21) are arranged on the surfaces, close to the substrate (2), of the first copper foil layer (1) and the second copper foil layer (3); the first copper foil layer (1), the second copper foil layer (3) and the substrate (2) are adhered through bonding glue; the bonding adhesive comprises graphene oxide, epoxy resin and dicyandiamide; the lower surface of the second copper foil layer (3) is further provided with an anti-static layer (4), the lower surface of the anti-static layer (4) is further provided with an anti-aging layer (5), and the lower surface of the anti-aging layer (5) is further provided with an anti-corrosion layer (6).
The utility model ensures the adhesiveness of the substrate and the copper foil through the meshing design of the convex ribs and the grooves, improves the strength of the substrate and the copper foil, and further enhances the bearing strength of the copper plate through the design of the convex ribs; the glue for bonding the copper foil layer and the substrate comprises graphene oxide, epoxy resin and dicyandiamide, and the combination of the graphene oxide, the epoxy resin and the dicyandiamide can further improve the peel strength of the copper-clad plate after the temperature is raised; the function of the copper-clad plate can be further enhanced by additionally arranging the antistatic layer, the anti-aging layer and the anticorrosive layer, and the service life of the copper-clad plate is prolonged.
Further, the substrate is an insulating substrate.
Further, the insulating substrate is formed by pressing a plurality of layers of glass fiber cloth, and the glass fiber cloth is impregnated with CTBN modified epoxy resin; the use of the glass fiber cloth can further improve the strength of the copper-clad plate.
Further, a protective layer is further arranged on the upper surface of the first copper foil layer.
Furthermore, the protective layer is a cobalt-free ceramic oxygen permeable membrane, so that the product is not easily abraded or damaged in the production and use processes.
Further, the anti-aging layer is a chlorosulfonated polyethylene coating.
Further, the anticorrosive coating is an epoxy phenolic coating.
Furthermore, the antistatic layer is a coating consisting of hydroxyl acrylic acid, titanium dioxide and conductive potassium titanate.
Advantageous effects
The utility model discloses a long-life high-strength copper-clad plate, which ensures the adhesiveness of a substrate and a copper foil through the meshing design of convex ribs and grooves, improves the strength of the copper plate, and further enhances the bearing strength of the copper plate through the design of the convex ribs; the glue for bonding the copper foil layer and the substrate comprises graphene oxide, epoxy resin and dicyandiamide, and the combination of the graphene oxide, the epoxy resin and the dicyandiamide can further improve the peel strength of the copper-clad plate after the temperature is raised; the function of the copper-clad plate can be further enhanced by additionally arranging the antistatic layer, the anti-aging layer and the anticorrosive layer, and the service life of the copper-clad plate is prolonged; the protective layer is designed on the surface of the first copper foil layer, so that the product is not easily abraded or damaged in the production and use processes.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
The labels in the figures illustrate:
1: a first copper foil layer; 2. the base plate, 21. protruding rib, 23. groove; 3. a second copper foil layer; 4. an antistatic layer; 5. an anti-aging layer; 6. an anticorrosive layer; 7. and a protective layer.
Detailed Description
In order to make the technical scheme and the advantage of the utility model more clearly understand, it is right to combine the figure below the utility model discloses expound.
Referring to fig. 1, the utility model adopts the following scheme: a long-life high-strength copper-clad plate comprises a first copper foil layer 1, a second copper foil layer 3 and a substrate 2, wherein the first copper foil layer 1 is symmetrically arranged with the second copper foil layer 3 by taking the substrate 2 as an axis, a plurality of convex ribs 21 are arranged on the upper surface and the lower surface of the substrate 2, and grooves 23 matched with the convex ribs 21 are arranged on the surfaces, close to the substrate 2, of the first copper foil layer 1 and the second copper foil layer 3; in the specific use process, the adhesion between the substrate and the copper foil can be further ensured due to the engagement of the convex ribs and the grooves, and the strength of the copper plate can be further enhanced by the design of the convex ribs, so that the bearing strength of the copper plate is increased.
The first copper foil layer 1, the second copper foil layer 3 and the substrate 2 are adhered through bonding glue; the bonding adhesive comprises graphene oxide, epoxy resin and dicyandiamide; the glue for bonding the copper foil layer and the substrate comprises graphene oxide, epoxy resin and dicyandiamide, and the combination of the three can further improve the peeling strength of the copper-clad plate after the temperature is raised, and the heat dissipation performance is better.
In the process of specifically using, the 3 lower surfaces of second copper foil layer still are equipped with antistatic backing 4, the 4 lower surfaces of antistatic backing still are equipped with anti-aging layer 5, anti-aging layer 5's lower surface still is equipped with anticorrosive coating 6, and through the function of setting up antistatic backing, anti-aging layer, anticorrosive coating reinforcing copper-clad plate, its life is prolonged.
In the specific using process, the substrate 2 is an insulating substrate which is formed by pressing a plurality of layers of glass fiber cloth, and the glass fiber cloth is impregnated by CTBN modified epoxy resin; the use of the glass fiber cloth can further improve the strength of the copper-clad plate.
In the specific use process, the upper surface of the first copper foil layer 1 is also provided with a protective layer 7, and the protective layer 7 is a cobalt-free ceramic oxygen permeable membrane; ensures that the product is not easily abraded and damaged in the production and use processes.
In the specific using process, the anti-aging layer 5 is a chlorosulfonated polyethylene coating; the anticorrosive coating 6 is an epoxy phenolic coating; the antistatic layer 4 is a coating consisting of hydroxyl acrylic acid, titanium dioxide and conductive potassium titanate, so that the function of the copper-clad plate is ensured, and the manufacturing cost is reduced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A long-life high-strength copper-clad plate is characterized by comprising a first copper foil layer (1), a second copper foil layer (3) and a substrate (2), wherein the first copper foil layer (1) is symmetrically arranged with the second copper foil layer (3) by taking the substrate (2) as an axis, a plurality of convex ribs (21) are arranged on the upper surface and the lower surface of the substrate (2), and grooves (22) matched with the convex ribs (21) are arranged on the surfaces, close to the substrate (2), of the first copper foil layer (1) and the second copper foil layer (3); the first copper foil layer (1), the second copper foil layer (3) and the substrate (2) are adhered through bonding glue; the lower surface of the second copper foil layer (3) is further provided with an anti-static layer (4), the lower surface of the anti-static layer (4) is further provided with an anti-aging layer (5), and the lower surface of the anti-aging layer (5) is further provided with an anti-corrosion layer (6).
2. The copper-clad plate with long service life according to claim 1, wherein the substrate (2) is an insulating substrate.
3. The copper-clad plate with long service life according to claim 2, wherein the insulating substrate is formed by laminating a plurality of layers of glass fiber cloth, and the glass fiber cloth is impregnated with CTBN modified epoxy resin.
4. The copper-clad plate with long service life according to claim 1, wherein the upper surface of the first copper foil layer (1) is further provided with a protective layer (7).
5. The copper-clad plate with long service life and high strength according to claim 4, wherein the protective layer (7) is a cobalt-free ceramic oxygen-permeable membrane.
6. The copper-clad plate with long service life and high strength according to claim 1, wherein the anti-aging layer (5) is a chlorosulfonated polyethylene coating.
7. The copper-clad plate with long service life according to claim 1, wherein the anticorrosive layer (6) is an epoxy phenolic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068508.3U CN209955436U (en) | 2019-01-15 | 2019-01-15 | Long-life high strength copper-clad plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068508.3U CN209955436U (en) | 2019-01-15 | 2019-01-15 | Long-life high strength copper-clad plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209955436U true CN209955436U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920068508.3U Active CN209955436U (en) | 2019-01-15 | 2019-01-15 | Long-life high strength copper-clad plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209955436U (en) |
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2019
- 2019-01-15 CN CN201920068508.3U patent/CN209955436U/en active Active
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