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US 2022/0308485 A1Published application
Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method
AssigneeFUJIFILM Business Innovation Corp.
InventorsTakuro WATANABE, Kazutsuna Sasaki, Yosuke Tsurumi, Yasuo Kadokura, Karin Sakai
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Abstract
An electrostatic charge image developing carrier includes a magnetic particle and a coating resin layer that covers the magnetic particle and contains a silica particle, and a ratio of Si on a surface of the coating resin layer, determined by an X-ray photoelectron spectroscopy (XPS), is 6 atom % or more and 12 atom % or less.
Claims19
An electrostatic charge image developing carrier comprising:
- a magnetic particle;
- and
- a coating resin layer that covers the magnetic particle and contains a silica particle,
- wherein a ratio of Si on a surface of the coating resin layer, determined by an X-ray photoelectron spectroscopy (XPS), is 6 atom % or more and 12 atom % or less.
1 more element
An electrostatic charge image developing carrier comprising:
- a magnetic particle;
- and
- a coating resin layer that covers the magnetic particle and contains a silica particle,
- wherein an area ratio of the silica particle exposed on a surface of the coating resin layer is 10% or more and 50% or less.
1 more element
Dependencies are inferred from the claim text.