Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1992-03-23
1994-12-06
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430110, G03G 1308
Patent
active
053709594
ABSTRACT:
An image formation method of developing a latent electrostatic image formed on a latent-electrostatic-image bearing member to a visible toner image by a one-component type developer consisting essentially of a toner is carried out by the steps of forming numerous micro closed electric fields near the surface of a developer-bearing member by causing the developer-bearing member to selectively hold electric charges on the surface thereof; supplying the developer to the surface of the developer-bearing member to hold the toner on the surface of the developer-bearing member by the micro closed electric fields; and developing a latent electrostatic image to a visible toner image by the toner. The toner is composed of a binder resin, a coloring agent and a quaternary ammonium salt serving as a charge controlling agent.
REFERENCES:
patent: 4576463 (1986-03-01), Sakamoto et al.
patent: 4866480 (1989-09-01), Hosoya et al.
patent: 4876573 (1989-10-01), Kamimura
patent: 5096798 (1992-03-01), Kanbe et al.
Hagiwara Tomoe
Kuramoto Shin-ichi
Orihara Motoi
Goodrow John
Ricoh & Company, Ltd.
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