CN213739268U

CN213739268U - Aluminum foil heat conduction double faced adhesive tape

Info

Publication number: CN213739268U
Application number: CN202022173474.XU
Authority: CN
Inventors: 刘上武; 何双科; 何银科
Original assignee: Shenzhen Nuofeng Electronic Technology Co ltd
Current assignee: Shenzhen Nuofeng Electronic Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-20
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses an aluminum foil heat-conducting double-sided adhesive, which comprises a substrate, wherein two sides of the substrate are covered with first adhesive layers, the first adhesive layers are covered with a heat-conducting structure, the heat-conducting structure comprises heat-conducting layers, copper powder is coated on the heat-conducting layers, the free end surfaces of the copper powder are adhered with another group of heat-conducting layers, the free end surfaces of the heat-conducting layers far away from the group of the substrate are covered with second adhesive layers, the free end surfaces of the two groups of the second adhesive layers are respectively covered with an upper release film layer and a lower release film layer, the two groups of the heat-conducting layers respectively cover two opposite sides of the copper powder, the heat-conducting layers are made of graphite materials, the copper powder is coated on the heat-conducting layers in a net shape, the thickness of the copper powder is 0.1-1um, the thickness of the copper powder is less than or equal to that of the heat-conducting layers, the heat-conducting layers improve the heat conductivity, the heat-radiating efficiency of the copper powder is improved, the material-conducting efficiency is reduced, the use cost is reduced, and the thickness of the adhesive layers is controlled, make the heat conduction more even, and then the heat conduction structure of being convenient for carries out heat conduction and heat dissipation work, and it is better to glue the effect of covering simultaneously.

Description

Aluminum foil heat conduction double faced adhesive tape

Technical Field

The utility model relates to a heat conduction double faced adhesive tape technical field specifically is an aluminium foil heat conduction double faced adhesive tape.

Background

Today, the industry of heat conduction materials is also germinating, and the heat conduction double-sided adhesive tape plays a great core role in high-tech continuous research and development and production. Because the common heat conduction material is difficult to play a role in heat conduction and good viscosity on important parts of electrons, the heat conduction double-sided adhesive tape completely solves the problem; especially, the LED fluorescent lamp plays an important role in the fields of electronics, LED illumination industry and LED televisions.

Among the prior art, the heat-conducting layer only possesses the heat conduction function, and the thermal diffusivity is relatively poor, has influenced double faced adhesive tape heat conduction radiating efficiency, and the heat-conducting layer material kind is many on a large scale simultaneously, has improved use cost, and the thickness on viscose layer is inhomogeneous, leads to the inhomogeneous condition of heat conduction easily, influences the working effect of heat conduction structure, and it is more weak to glue the effect simultaneously, for this reason we propose an aluminium foil heat conduction double faced adhesive tape and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aluminium foil heat conduction double faced adhesive tape to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an aluminium foil heat conduction double faced adhesive tape, includes the substrate, the substrate both sides cover has first viscose layer, first viscose layer covers has the heat conduction structure, the heat conduction structure includes the heat-conducting layer, scribble the copper powder on the heat-conducting layer, the copper powder free end face glues and has another a set of heat-conducting layer, the heat-conducting layer is kept away from a set of free end face of substrate and is stamped the second viscose layer.

Preferably, the free end faces of the two groups of second adhesive layers are respectively covered with an upper release film layer and a lower release film layer.

Preferably, the two groups of heat conduction layers cover two opposite surfaces of the copper powder respectively, and the heat conduction layers are made of graphite materials.

Preferably, the copper powder is coated on the heat conduction layer in a net shape, the thickness of the copper powder is 0.1-1um, and the thickness of the copper powder is smaller than or equal to that of the heat conduction layer.

Preferably, the thickness of the first adhesive layer is the same as that of the second adhesive layer, and the first adhesive layer and the second adhesive layer are both acrylic adhesive.

Preferably, the upper covers of the free end surfaces of the upper release film layer and the lower release film layer are coated with elastomer type sub-sensitive glue or resin type sub-sensitive glue.

Compared with the prior art, this practical beneficial effect is:

1. the heat conduction layer improves the heat conductivity, the copper powder improves the heat dissipation performance, the heat conduction and heat dissipation efficiency is improved, meanwhile, the material usage is reduced, and the use cost is reduced.

2. The thickness on control viscose layer for heat conduction is more even, and then the heat conduction structure of being convenient for carries out heat conduction and heat dissipation work, and it is better to glue the effect of covering simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of the material of the present invention;

fig. 2 is a schematic side view of the material of the present invention.

In the figure: the heat conducting structure comprises a substrate 1, a first adhesive layer 2, a heat conducting structure 3, a heat conducting layer 31, copper powder 32, a second adhesive layer 4, an upper release film layer 5 and a lower release film layer 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an aluminium foil heat conduction double faced adhesive tape, including

substrate

1, 1 two sides of substrate covers has first viscose layer 2, first viscose layer 2 covers has heat conduction structure 3, heat conduction structure 3 includes heat-conducting layer 31, copper powder 32 has been paintd on the heat-conducting layer 31, copper powder 32 free end face glues and has been covered another a set of heat-conducting layer 31, heat-conducting layer 31 two sets of two sides that cover copper powder 32 respectively are relative, heat-conducting layer 31 be the graphite material, copper powder 32 is netted the smearing and is located heat-conducting layer 31, copper powder 32 thickness is 0.1-1um, copper powder 32 thickness less than or equal to heat-conducting layer 31's thickness, the heat-conducting layer has improved the heat conductivity, the copper powder has improved the thermal diffusivity, heat conduction radiating efficiency has been improved, the material use has been reduced simultaneously, use cost is reduced.

Heat-conducting layer 31 keeps away from that 1 a set of free end face of substrate coats and is stamped second viscose layer 4, two sets of 4 free end faces of second viscose layer cover respectively have and have gone up from type rete 5 and leave type rete 6 down, first viscose layer 2 is the same with 4 thickness of second viscose layer, first viscose layer 2 is acrylic acid glue with second viscose layer 4, go up from type rete 5 and leave type rete 6 free end face upper cover all coated with elastomer type sub-sensitive glue or resin type sub-sensitive glue down, the thickness of control viscose layer, make the heat conduction more even, and then the heat conduction structure of being convenient for carries out heat conduction and radiating work, it is better to glue the effect simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminium foil heat conduction double faced adhesive tape, includes substrate (1), its characterized in that: substrate (1) two sides covers has first viscose layer (2), first viscose layer (2) cover has heat conduction structure (3), heat conduction structure (3) are including heat-conducting layer (31), scribble copper powder (32) on heat-conducting layer (31), copper powder (32) free end face glues and covers there is another group of heat-conducting layer (31), base (1) a set of free end face coats and is stamped second viscose layer (4) in heat-conducting layer (31).

2. The aluminum foil double sided thermal adhesive tape of claim 1, wherein: and the free end surfaces of the two groups of second adhesive layers (4) are respectively covered with an upper release film layer (5) and a lower release film layer (6).

3. The aluminum foil double sided thermal adhesive tape of claim 1, wherein: the two groups of heat conduction layers (31) respectively cover two opposite surfaces of the copper powder (32), and the heat conduction layers (31) are made of graphite materials.

4. The aluminum foil double sided thermal adhesive tape of claim 1, wherein: copper powder (32) are netted and paint and lie in heat-conducting layer (31), copper powder (32) thickness is 0.1-1um, copper powder (32) thickness less than or equal to the thickness of heat-conducting layer (31).

5. The aluminum foil double sided thermal adhesive tape of claim 1, wherein: first viscose layer (2) and second viscose layer (4) thickness are the same, first viscose layer (2) and second viscose layer (4) are acrylic acid glue.

6. The aluminum foil double sided thermal adhesive tape of claim 2, wherein: and the upper covers of the free end surfaces of the upper release film layer (5) and the lower release film layer (6) are coated with elastomer type sub-sensitive glue or resin type sub-sensitive glue.