A process for producing a filmy graphite includes the steps of forming a polyimide film having a birefringence of 0.12 or more and {HEAD ~ heat} treating {TAIL ~ the polyimide film} at 2,400° C. or higher 
A process for producing a filmy graphite includes the steps of forming a polyimide film having a birefringence of 0.12 or more and { HEAD ~ heat } treating { TAIL ~ the polyimide film } at 2,400 ° C. or higher
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH