Artificial graphite heat dissipation substrate and production method thereof

Disclosed is a production method for an artificial graphite heat dissipation substrate, which includes the following steps: applying a pressure of 0.1 kg/cm2 or less to a sheet-like polymer substrate and using a gradual temperature-rising means to obtain a condensed carbonized film in a noble gas at...

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Bibliographic Details
Main Authors LI, HONG-YUAN, XIAO, LONG-DA, WENG, MING-SHENG, ZENG, ZHE-LV
Format Patent
LanguageChinese
English
Published 16.03.2014
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Summary:Disclosed is a production method for an artificial graphite heat dissipation substrate, which includes the following steps: applying a pressure of 0.1 kg/cm2 or less to a sheet-like polymer substrate and using a gradual temperature-rising means to obtain a condensed carbonized film in a noble gas atmosphere; gradually heating the condensed carbonized film to obtain a graphite film consisting of multi-layered graphene; laminating a plurality of graphite films along a lamination direction; and using a predetermined pressure to compress and fix said graphite films at the lamination direction. Compared with the current production method, the production method according to the present invention can simplify the process, lower production costs and has a synergistic effect of easy processing. Furthermore, the artificial graphite heat dissipation substrate produced by this invention has excellent effect of heat conductivity.
Bibliography:Application Number: TW20120133288