Electrophotography – Image formation – Development
Patent
1995-05-22
1996-11-12
Braun, Fred L.
Electrophotography
Image formation
Development
G03G 1509, G03G 914
Patent
active
055745458
ABSTRACT:
In a developing method, a layer of electrically charged toner particles is formed on a surface of a developer carrying member, and magnetic particles which retain on their surfaces electrically charged toner particles are dispersed on the surface of the developing carrying member. The toner particles and magnetic particles are carried on the developing carrying member to a developing position where a surface of an electrostatic latent image bearing member for bearing an electrostatic latent image is opposed with a clearance to the surface of the developer carrying member. An alternating electric field is formed at the developing position against the electrostatic image and chains of magnetic particles are formed by stationary magnetic field generating apparatus disposed behind the developer carrying member. The latent electrostatic latent image is developed by the charge toner particles on the surface of the developer carrying member and on the surface of the magnetic particles in the clearance under the alternating electric field and the stationary magnetic field.
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Hoshika Norihisa
Hosoi Atsushi
Saito Takashi
Tajika Hiroshi
Tajima Hatsuo
Braun Fred L.
Canon Kabushiki Kaisha
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