| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method capable of efficiently producing a carbon film having a large shape and obtaining a high purity carbon film.SOLUTION: There is provided a method for producing a carbon film which comprises: a step of forming projections 12 along the side in the longitudinal direction of a polymer film 11; a step of winding a polymer film 11 on a core material 13; and a step of arranging the polymer film 11 wound on the core material so that the central axis of a core material 12 is oriented in a vertical direction and followed by heat treatment, wherein the thickness of the projections 12 is set at one time or more and 4 times or less of the thickness of the polymer film.SELECTED DRAWING: Figure 1 |
