Graphite sheet, a method of manufacturing the same, wiring laminate, method for producing a graphite wiring material, and the wiring board

The present invention, in the first, 9.6 .mu.m in thickness or less, of 50nm greater is the graphite sheet, characterized in that a-b plane direction of the thermal conductivity at 25 ° C. is 1950W / mK or higher . Further Secondly, a thickness in the range 20nm to less than 9.6 .mu.m, the area is not less 9 mm