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AssigneeAdvanced Materials International Company, Ltd.
InventorsNoriaki Kawamura, Eiki Tsushima, Nobuyuki Suzuki
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According to the present invention, there is provided a carbon-based metal composite material comprising a carbonaceous matrix and a metal component dispersed in said carbonaceous matrix, wherein at least 90 volume percent of the pores of the carbonaceous matrix is substituted with said metal component, and the content of said metal component is 35% or less based on the total volume of said carbon-based metal composite material; a method of producing a carbon-based metal composite material wherein impregnation of the carbon formed body with molten metal under pressure is carried out by pre-heating said carbon formed body and then impregnating the open pores of the carbon formed body with molten metal under a pressure of at least 200 kg/cm2 of the cross-sectional area of the plunger; and a substrate-shaped formed body for an electronic component comprising a carbon-based metal composite material.
A carbon-based metal composite material comprising a carbonaceous matrix and a metal component dispersed in said carbonaceous matrix, characterized in that
A method of producing a carbon-based metal composite material comprising impregnating a carbon formed body with a molten metal by contacting said carbon formed body with said molten metal under pressure, characterized by
A carbon, based metal composite material for an electronic component characterized in that it is formed from a carbon-based metal composite material having a density of 2.0 g/ml to 2.5 g/ml, a thermal conductivity of at least 150 W/m·K and a thermal expansivity of 4×10−6/° C. to 8×10−6/° C., which comprises a carbonaceous matrix and aluminum or aluminum alloy dispersed in said carbonaceous matrix, characterized in that
A carbon based metal composite material for an electronic component characterized in that it is formed from a carbon-based metal composite material, having a density of 2.3 g/ml to 4.6 g/ml, a thermal conductivity of at least 150 W/m·K) and a thermal expansivity of 4×10−6/° C. to 12×10−6/° C., which comprises a carbonaceous matrix and copper, silver or an alloy thereof dispersed in said carbonaceous matrix, characterized in that
Dependencies are inferred from the claim text.