A process for producing a filmy graphite includes the steps of forming a polyimide film having {TAIL ~ a birefringence} of 0.12 or more and {HEAD ~ heat} treating 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 { TAIL ~ a birefringence } of 0.12 or more and { HEAD ~ heat } treating 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH