G - Physics – 03 – G
Patent
G - Physics
03
G
G03G 5/147 (2006.01) G03G 15/00 (2006.01) G03G 15/22 (2006.01)
Patent
CA 2414413
In an electrophotographic photosensitive member comprising a cylindrical support, and provided thereon a photosensitive layer and a protective layer in this order, which cylindrical support has an outer diameter of less than 30 mm, the difference between a coefficient of thermal expansion .alpha.1 measured from the top of the protective layer and a coefficient of thermal expansion .alpha.2 measured after the protective layer has been removed, ¦.alpha.1 - .alpha.2¦, is more than 5.0 × 10-7 °C-1 to less than 1.0 × 10-4 °C-1, and the modulus of elastic deformation We% measured from the top of the protective layer is more than 30% to less than 60%. Also disclosed are a process cartridge and an electrophotographic apparatus which have such an electrophotographic photosensitive member.
Ikezue Tatsuya
Morikawa Yosuke
Nakata Kouichi
Tanaka Daisuke
Yoshimura Kimihiro
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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