High-thermal conductivity graphite heat-dissipation membrane making technology
A technology of high thermal conductivity graphite and production process, which is applied in the field of high thermal conductivity graphite heat dissipation film production process, which can solve the problems of low thermal conductivity, heat dissipation materials that cannot meet product requirements, high density and difficult processing, etc.
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[0024] The following examples are given to further describe the present invention in detail.
[0025] A manufacturing process of high thermal conductivity graphite heat dissipation film, select high purity graphite with a density of 2.1g / cm 3 , to make graphite sintering molds, the external dimensions of the mold are designed according to the internal dimensions of the furnace body, and the internal dimensions of the mold are designed according to the size of the sintered graphite film required; the carbon content is ≥ 99%, the thermal conductivity is greater than 400w / mk, and the density is 1.9g / cm 3 , the natural graphite paper with a thickness of 0.15mm is used as the base material and cut into slices according to the size inside the graphite mold; stack the cut natural graphite paper into the graphite mold, and put a 6Kg graphite plate on the top layer for pressure .
[0026] Put the graphite mold with natural graphite paper into the high-temperature graphitization furnac...
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