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US 12,055,868 B2Granted
Conductive member, charging device, process cartridge, and image forming apparatus having surface layer with sea/island structure
AssigneeFUJIFILM Business Innovation Corp.
InventorsKenta Yamakoshi, Yukimi Kawabata
Life of this patent
Estimating the term…
Abstract
A conductive member includes: a substrate; an elastic layer provided on the substrate; and a surface layer provided on the elastic layer, in which the surface layer contains a conductive agent and has a sea/island structure that consists of a sea portion containing a first resin and an island portion containing a second resin, and a distance R between the island portions and a radius r of the island portion in a cross-section of the surface layer satisfy the following Expression (1-1), −0.20≤R−2r≤0.40 Expression (1-1).
Claims20
A conductive member comprising:
- a substrate;
- an elastic layer provided on the substrate;
- and
- a surface layer provided on the elastic layer,
- wherein the surface layer contains a conductive agent and has a sea/island structure that consists of a sea portion containing a first resin and an island portion containing a second resin, and
- a distance R between the island portions and a radius r of the island portion in a cross-section of the surface layer satisfy the following Expression (1-1),
- −0.20≤R−2r≤0.40 Expression (1-1).
4 more elements
Dependencies are inferred from the claim text.