Two-component dry type developer for developing latent electrost

Details Two-component dry type developer for developing latent electrost Two-component dry type developer for developing latent electrost

1991-01-02

1993-07-06

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430109, 430122, 430137, G03G 900

Patent

active

052253023

ABSTRACT:
A two-component dry type developer for developing latent electrostatic images comprises (i) toner particles with an average particle diameter of 14 .mu.m or less and (ii) carrier particles with an average particle diameter of 70 .mu.m or less, with the ratio of the average particle diameter of the toner particles to the average particle diameter of the carrier particles being 1/5 or less, with a dynamic resistance of 1.0.times.10.sup.8 .OMEGA. or less, and the specific triboelectric charge quantity generated between the toner particles and the carrier particles per unit weight of the toner particles is 25 .mu.C/g or more.

REFERENCES:
patent: 4963454 (1990-10-01), Yano et al.
patent: 5053305 (1991-10-01), Aoki et al.

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