US Patent Application 18300968. ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS simplified abstract

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ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

Organization Name

CANON KABUSHIKI KAISHA


Inventor(s)

YASUO Kojima of Chiba (JP)

MOTOYA Yamada of Chiba (JP)

MASAYUKI Shinozuka of Chiba (JP)

KOJI Takahashi of Chiba (JP)

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18300968 titled 'ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

Simplified Explanation

The patent application describes an electrophotographic photosensitive member.

  • The photosensitive member consists of a support and a photosensitive layer.
  • The surface of the support is made of aluminum (Al) or an aluminum alloy.
  • The surface of the support contains Al crystal grains with specific orientations.
  • The Al crystal grains have planes oriented at certain angles with respect to {001}, {101}, and {111} orientations.
  • The surface of the support has a certain ratio of Al crystal grains with the (γ) orientation.
  • The ratio of Al crystal grains with the (α) or (β) orientation to the remaining area is also specified.


Original Abstract Submitted

The electrophotographic photosensitive member includes: a support; and a photosensitive layer, wherein a surface of the support is formed of Al and/or an Al alloy, wherein the surface of the support includes Al crystal grains having: (α) a plane at −15° or more and less than +15° with respect to a {001} orientation; (β) a plane at −15° or more and less than +15° with respect to a {101} orientation; and (γ) a plane at −15° or more and less than +15° with respect to a {111} orientation, and wherein a ratio of an area occupied by Al crystal grains each having the (γ) to a total area of the surface of the support is more than 10% and 50% or less, and a ratio of an area occupied by Al crystal grains each having the (α) or the (β) to the remaining area is 80% or more.

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