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EP0200468A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Photoreceptor drum for electrophotography

Assignee: Kyocera Mita Industrial Co Ltd
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Filing: 1986-04-23
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Granted: —
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Expires: 2006-04-23
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Abstract

Abstract @ A photoreceptor drum for electrophotography comprising a cylindrical conductive substrate (11) and an organic or inorganic photosensitive layer (12) covering the outer surface of said substrate, wherein the maximum roughness, Rmax, of the surface of the photoreceptor drum is in the range of 0.3 S to 2.0 S.

Inventors

  • 👤 Toru Nakazawa

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 15:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/75; G03G15/751; G03G5/00; G03G5/10

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 45 words
A photoreceptor drum for electrophotography comprising a cylindrical conductive substrate and an organic or inorganic photosensitive layer covering the outer surface of said substrate, wherein the maximum roughness, Rmax, of the surface of the photoreceptor drum is in the range of 0.3 S to 2.0.S.
Claim 2
Dependent Claim 45 words
A photoreceptor drum for electrophotography comprising a cylindrical conductive substrate and an organic or inorganic photosensitive layer covering the outer surface of said substrate, wherein the maximum roughness, Rmax, of the surface of the photoreceptor drum is in the range of 0.3 S to 2.0.S.
Claim 3
Dependent Claim 18 words
A photoreceptor drum for electrophotography according to claim 1, wherein said cylindrical conductive substrate is made of aluminum.
Claim 4
Dependent Claim 27 words
A photoreceptor drum for electrophotography according to claim 1 or 2, wherein said cylindrical conductive substrate is polished using a grinding machine such as a cylindrical grinder.

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