| 摘要 |
PROBLEM TO BE SOLVED: To provide a photoreceptor free of occurrence of a streaky orgradation striped image, and to provide an image forming apparatus using the photoreceptor and capable of forming a high quality image. SOLUTION: In the photoreceptor having a photosensitive layer, when a profile curve of the substrate side boundary face of the photosensitive layer is sampled at intervals ofΔt in a horizontal direction and the heights x of N sampled profile curves are subjected to Fourier transform according to an expression 1, a power spectrum S derived from an expression 2 has a plurality of peaks in a region where n satisfies an expression 3. COPYRIGHT: (C)2006,JPO&NCIPI
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