CHARGING ROLLER AND IMAGE FORMING DEVICE

To provide a charging roller capable of preventing separation of a surface layer thereof while preventing wear and contamination of a surface thereof.SOLUTION: A charging roller 30 provided herein comprises a conductive core metal 31, an elastic layer 32 formed on an outer periphery of the core meta...

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Main Authors INOUE TATSUYA, UNO MASAMI, ISHIDA HIROAKI, FUKUDA MASASHI, AKASAKI MIKIHIRO, MIYAMOTO AKINORI, MAEJIMA MASAHITO, NAGATOMO YUYA
Format Patent
LanguageEnglish
Japanese
Published 08.12.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:To provide a charging roller capable of preventing separation of a surface layer thereof while preventing wear and contamination of a surface thereof.SOLUTION: A charging roller 30 provided herein comprises a conductive core metal 31, an elastic layer 32 formed on an outer periphery of the core metal 31, a resin intermediate layer 33 formed on an outer periphery of the elastic layer 32, and a carbon layer 34 formed on an outer periphery of the intermediate layer 33 and composed of a tetrahedral amorphous carbon.SELECTED DRAWING: Figure 2 【課題】帯電ローラの表面の摩耗や汚染を抑制しつつ、帯電ローラの表面の層が剥離することを抑制することができる帯電ローラを提供する。【解決手段】帯電ローラ３０は、導電性を有する芯金３１と、芯金３１の外周部に形成された弾性層３２と、弾性層３２の外周部に形成された樹脂製の中間層３３と、中間層３３の外周部に形成され、テトラへドラルアモルファスカーボンで構成された炭素層３４を備える。【選択図】図２
Bibliography:Application Number: JP20210089147