Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
Reexamination Certificate
2008-07-22
2008-07-22
Edwards, N (Department: 1794)
Stock material or miscellaneous articles
Self-sustaining carbon mass or layer with impregnant or...
C423S447200
Reexamination Certificate
active
11822334
ABSTRACT:
It is an object of the present invention to provide a high thermal conductive element that has improved thermal conductivity in the layer direction while retaining the high thermal conductivity characteristics in the planar direction possessed by graphite. The present invention is a high thermal conductive element in which carbon particles are dispersed in a graphite-based matrix, wherein (1) the c axis of the graphene layers constituting the graphite are substantially parallel, (2) the thermal conductivity κ∥ in a direction perpendicular to the c axis is at least 400 W/m·k and no more than 1000 W/m·k, and (3) the thermal conductivity κ⊥ in a direction parallel to the c axis is at least 10 W/m·k and no more than 100 W/m·k.
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Deguchi Masahiro
Hashimoto Mitsuru
Ozaki Toyokazu
Shibata Motoshi
Taomoto Akira
Edwards N
Matsushita Electric - Industrial Co., Ltd.
McDermott Will & Emery LLP
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