Patent EP0200468A2 successfully refreshed from Google Patents.
EP0200468A2
Expired / Lapsed
EP
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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
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 15:49
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.
References Cited (Backward Citations)
No citation records indexed.
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