CN211879375U

CN211879375U - Graphene heat dissipation film for electronic chip

Info

Publication number: CN211879375U
Application number: CN202021011688.0U
Authority: CN
Inventors: 李永锋; 崔建强
Original assignee: Jiangsu Xingtu New Material Technology Co ltd
Current assignee: Xingtu Changzhou Carbon Materials Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-11-06
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a graphite alkene heat dissipation membrane for electronic chip relates to electronic chip heat dissipation technical field. The utility model discloses a graphite alkene membrane main part and PET rete, the upper and lower end of graphite alkene membrane main part is provided with first arch and second arch respectively, and the upper end of graphite alkene membrane main part bonds and has the resin layer that absorbs water, and the upper end and the fire-retardant layer bonding connection on the resin layer that absorbs water, waterproof ventilative layer is posted to the upper end on fire-retardant layer, the through-hole has been seted up to the equidistance on the PET rete. Can increase the heat conduction area of graphite alkene membrane main part through first arch and second arch, then the through-hole on the accessible PET rete distributes away heat fast, and the radiating effect is all good, later can be waterproof through waterproof ventilative layer, and the resin layer that absorbs water can absorb moisture, reaches dampproofing waterproof effect, and fire-retardant layer can insulate against heat fire-retardant, improves the utility model discloses a security, the utility model discloses dampproofing and waterproofing, prevent static, fire-retardant, radiating effect are all good.

Description

Graphene heat dissipation film for electronic chip

Technical Field

The utility model relates to an electron chip heat dissipation technical field specifically is a graphite alkene heat dissipation membrane for electron chip.

Background

Chips, also known as microcircuits, microchips, integrated circuits. Refers to a silicon chip containing integrated circuits, which is small in size and is often part of a computer or other electronic device. Usually, a thin graphite heat dissipation film is adhered to an electronic chip during use, and a graphene heat dissipation film is a very thin GTS, and is a heat conduction material with comprehensive properties, also called a heat conduction graphite film, a heat conduction graphite sheet, a graphite heat dissipation sheet and the like, so that the possibility of thinning development of electronic products is provided.

At present, the current graphene heat dissipation film is not good in waterproof and moistureproof effects, easily influences the normal work of an electronic chip, is not good in heat dissipation effect, is large in limitation, and cannot meet the requirements in actual use, so that the technology capable of being improved is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a graphite thin heat dissipation membrane for electronic chip has dampproofing and waterproofing, prevents static, fire-retardant, radiating effect all good characteristics.

(II) technical scheme

For solving the technical problem, the utility model provides a graphite alkene heat dissipation membrane for electronic chip, including graphite alkene membrane main part and PET rete, graphite alkene membrane main part's last lower extreme is provided with first arch and second arch respectively, and graphite alkene membrane main part's upper end bonds and has the resin layer that absorbs water, and the upper end and the fire-retardant layer adhesive connection on the resin layer that absorbs water, waterproof ventilative layer is posted to the upper end on fire-retardant layer, the through-hole has been seted up to the equidistance on the PET rete.

Furthermore, a shielding layer is bonded to the lower end of the graphene film main body.

Furthermore, the lower extreme of shielding layer scribbles first heat-conducting glue, and the shielding layer through first heat-conducting glue with from type rete adhesive connection.

Furthermore, the upper end of the waterproof breathable layer is connected with the antistatic coating in an adhering mode.

Furthermore, the upper end of the anti-static coating is coated with second heat-conducting glue, and the anti-static coating is connected with the PET film layer through the second heat-conducting glue in a bonding mode.

The above technical scheme of the utility model has following profitable technological effect: the utility model discloses the upper and lower end of the graphite alkene membrane main part that sets up is provided with first arch and second arch respectively, can increase the heat conduction area of graphite alkene membrane main part through first arch and second arch, and the utility model discloses the through-hole has been seted up to the equidistance on the PET rete of setting, can distribute away heat fast through the through-hole on the PET rete, and the radiating effect is all good, then the utility model discloses the upper end of the graphite alkene membrane main part that sets up bonds and has the resin layer that absorbs water, and waterproof ventilative layer is posted to the upper end on fire-retardant layer, can waterproof ventilative through waterproof ventilative layer, and the resin layer that absorbs water can absorb moisture, reaches dampproofing waterproof effect, and fire-retardant layer can insulate against heat fire, improves the utility model discloses a.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the graphene film body of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the PET film layer in fig. 1 according to the present invention.

Reference numerals:

1. a graphene film body; 2. a shielding layer; 3. a first thermally conductive adhesive; 4. a release film layer; 5. a water-absorbent resin layer; 6. a flame retardant layer; 7. a waterproof breathable layer; 8. an antistatic coating; 9. a second thermally conductive adhesive; 10. a PET film layer; 11. a first protrusion; 12. a second protrusion; 13. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-3, the present invention relates to a graphene heat dissipation film for electronic chips, which comprises a graphene film body 1 and a PET film layer 10, wherein the PET film layer 10 is a high temperature resistant polyester film, which has excellent physical properties, chemical properties, dimensional stability, transparency, recyclability, etc. for protection, the upper and lower ends of the graphene film body 1 are respectively provided with a first protrusion 11 and a second protrusion 12, the first protrusion 11 and the second protrusion 12 can increase the heat conduction area of the graphene film body 1, thereby facilitating rapid heat conduction, the upper end of the graphene film body 1 is bonded with a water absorbent resin layer 5, the water absorbent resin layer 5 is one of polyacrylic acid sodium salt, polyacrylonitrile hydrolysate, vinyl acetate-methyl acrylate copolymer or modified polyvinyl alcohol water absorbent resin, in this embodiment, the water absorbent resin is polyvinyl alcohol water absorbent resin produced by clony chemical limited japan, the waterproof breathable PET film can absorb moisture in the air and keep dry, the upper end of the water-absorbing resin layer 5 is connected with the flame-retardant layer 6 in an adhering mode, the flame-retardant layer 6 is formed by uniformly dispersing a flame retardant in an adhesive and can block combustion, safety is improved, the waterproof breathable layer 7 is attached to the upper end of the flame-retardant layer 6, the waterproof breathable layer 7 is made of polytetrafluoroethylene dispersion resin, and a microporous film is produced through special processes such as premixing, extrusion, calendering and bidirectional stretching and has a waterproof breathable function and safety improvement function, through holes 13 are formed in the PET film layer 10 at equal intervals, and the through holes 13 facilitate rapid heat dissipation.

Wherein as shown in fig. 1, the lower extreme of graphene membrane main part 1 bonds and has shielding layer 2, and shielding layer 2 is for weaving the copper mesh structure, has electromagnetic shielding's function, and shielding layer 2's lower extreme scribbles first heat-conducting glue 3, and also can heat when first heat-conducting glue 3 bonds, and shielding layer 2 through first heat-conducting glue 3 with from type rete 4 adhesive connection, from type rete 4 have keep apart, protect and easily peel off the characteristics, convenient to use.

As shown in fig. 1, the upper end of the waterproof breathable layer 7 is adhesively connected with the antistatic coating 8, the antistatic coating 8 is formed by coating antistatic agent on the surface of the waterproof breathable layer 7, the antistatic coating 8 prevents dust from being attached to the PET film layer 10, the dust from blocking the through hole 13 on the PET film layer 10, the upper end of the antistatic coating 8 is coated with the second heat-conducting glue 9, and the antistatic coating 8 is adhesively connected with the PET film layer 10 through the second heat-conducting glue 9.

The working principle is as follows: during the installation, tear earlier and leave type rete 4, then will the utility model discloses a lower extreme alignment electronic chip to the butt, then press the utility model discloses, make the utility model discloses a first heat-conducting glue 3 is fixed with the bonding of electronic chip, during the use, shielding layer 2 can shield the electromagnetism, and the multiplicable heat conduction area of first arch 11 and the second arch 12 on the graphite alkene membrane main part 1, absorbent resin layer 5 absorbable moisture keeps dry, and waterproof ventilative layer 7 can prevent that water from getting into, and antistatic coating 8 can prevent the electrostatic absorption dust, avoids the dust to block up through-hole 13 on the PET rete 10, and the convenient quick heat dissipation of through-hole 13 on the PET rete 10.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a graphite alkene heat dissipation membrane for electronic chip, includes graphite alkene membrane main part (1) and PET rete (10), its characterized in that: the graphene film is characterized in that the upper end and the lower end of the graphene film main body (1) are respectively provided with a first protrusion (11) and a second protrusion (12), the upper end of the graphene film main body (1) is bonded with a water-absorbing resin layer (5), the upper end of the water-absorbing resin layer (5) is bonded with the flame-retardant layer (6), the upper end of the flame-retardant layer (6) is bonded with a waterproof breathable layer (7), and the PET film layer (10) is equidistantly provided with through holes (13).

2. The graphene heat dissipation film for the electronic chip as claimed in claim 1, wherein a shielding layer (2) is bonded to a lower end of the graphene film body (1).

3. The graphene heat dissipation film for the electronic chip as claimed in claim 2, wherein the lower end of the shielding layer (2) is coated with a first thermally conductive adhesive (3), and the shielding layer (2) is bonded to the release film layer (4) through the first thermally conductive adhesive (3).

4. The graphene heat dissipation film for the electronic chip as claimed in claim 1, wherein the upper end of the waterproof and breathable layer (7) is bonded and connected with the antistatic coating (8).

5. The graphene heat dissipation film for the electronic chip as claimed in claim 4, wherein the upper end of the anti-static coating (8) is coated with a second heat conductive adhesive (9), and the anti-static coating (8) is adhesively connected to the PET film layer (10) through the second heat conductive adhesive (9).