Production method for photosensitive drum-use substrate and photosensitive drum-use substrate

摘要

The substrate for photosensitive drum of the invention for use in electrophotographic process is produced by ultrasonic-welding a resin-made flange or gear flange to an end portion of a cylindrical substrate made from an electroconductive resin composition prepared by dispersedly mixing an electroconductive material and a filler into a polymer matrix. The ultrasonic welding permits an efficient production of the substrate for photosensitive drum and ensures a high rotation accuracy of the substrate for photosensitive drum. With such a substrate for photosensitive drum, images with high quality can be formed.