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公开(公告)号：US20210278773A1
公开(公告)日：2021-09-09
申请号：US16944975
申请日：2020-07-31
申请人： FUJI XEROX CO., LTD
摘要： An electrostatic charge image developing carrier includes: magnetic particles; and a resin layer coating the magnetic particles and containing inorganic particles, in which an average particle diameter of the inorganic particles is 5 nm or more and 90 nm or less, an average thickness of the resin layer is 0.6 μm or more and 1.4 μm or less, and a ratio B/A of a surface area B of the electrostatic charge image developing carrier to a plan view area A of the electrostatic charge image developing carrier is 1.020 or more and 1.100 or less when a surface of the electrostatic charge image developing carrier is three-dimensionally analyzed.
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2.发明授权公开(公告)号：US10725393B1
公开(公告)日：2020-07-28
申请号：US16517015
申请日：2019-07-19
申请人： FUJI XEROX CO., LTD.
发明人： Yuka Yamagishi , Yutaka Saito , Kazuhiko Nakamura , Kazutsuna Sasaki , Takashi Inukai , Sakiko Takeuchi
摘要： A toner for electrostatic image development includes: toner base particles containing at least a nonionic surfactant, a binder resin, and a release agent; and an external additive. The content of the nonionic surfactant is from 0.05% by mass to 1% by mass inclusive based on the total mass of the toner. The external additive contains inorganic particles having an arithmetic mean particle diameter of from 50 nm to 400 nm inclusive and an average circularity of from 0.5 to 0.8 inclusive.
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公开(公告)号：US10571820B2
公开(公告)日：2020-02-25
申请号：US16109786
申请日：2018-08-23
申请人： FUJI XEROX CO., LTD.
摘要： A white toner for electrostatic latent image development includes toner particles containing a binder resin, a white pigment, and a release agent, the binder resin containing an amorphous resin. In viscosity measurement using a capillary viscometer, a temperature-viscosity curve has a minimum value within a temperature range of 70° C. or more and 95° C. or less.
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