Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroomi Kojima0
Date of Patent
April 30, 2024
0Patent Application Number
180501130
Date Filed
October 27, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
Provided is an electrophotographic belt having a cylindrical film as a base layer. The cylindrical film contains crystalline polyester and carbon black, and a content of the carbon black in the cylindrical film is 2.0% by mass or more. Fc1 is 0.30 or more, and Φc1 being −10° to +10°, where Fc1 denotes an average degree of arrangement of the carbon black in the circumferential direction observed in a cross section in a direction along a circumferential direction of the cylindrical film, and Φc1 denotes an average arrangement angle of the carbon black in the circumferential direction observed in a cross section in a direction along a circumferential direction of the cylindrical film.
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