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US 2019/0168486 A1Published application
Heat Dissipation Sheet Having Excellent Heat Dissipation Characteristics and Manufacturing Method Therefor
AssigneeSolueta
InventorsEui Hong MIN, Dong-Won LEE, Min Seong KIM, Hyun Soo NOH, Hye Jin HAN
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Abstract
The present invention has been proposed to resolve the above-described problems, and it is an objective of the present invention to provide a heat dissipation sheet with excellent heat dissipation properties, which has a specific porosity, exhibits excellent horizontal heat conductivity, and exhibits an excellent effect in peel strength, and a manufacturing method thereof.
Claims12
A heat dissipation sheet having enhanced heat dissipation properties, comprising:
- a heat dissipation enhancing layer including a carbon material;
- and
- a heat conductive base layer formed on one surface of the heat dissipation enhancing layer,
- wherein the carbon material includes at least one selected from graphene and graphite, and
- horizontal heat conductivity is in a range of 420 W/mK to 620 W/mK.
2 more elements
A method of manufacturing a heat dissipation sheet having enhanced heat dissipation properties, comprising:
- a process of manufacturing a heat dissipation enhancing coating liquid including a carbon material, a binder resin, and a solvent;
- a process of applying the heat dissipation enhancing coating liquid on one surface of a heat conductive base layer to form a heat dissipation layer;
- a process of performing first calendering on the heat dissipation layer and the heat conductive base layer;
- a process of heat treating the first calendered heat dissipation layer and heat conductive base layer to form a heat dissipation enhancing layer and the heat conductive base layer;
- and
- a process of performing second calendering on the heat dissipation enhancing layer and the heat conductive base layer to manufacture the heat dissipation sheet.
3 more elements
Dependencies are inferred from the claim text.