Two-component dry type developer for developing latent electrostatic images
First Claim
Patent Images
1. A two-component dry type developer for developing latent electrostatic images comprising:
- toner particles with an average particle diameter of 14 μ
m or less; and
carrier particles with an average particle diameter of 70 μ
m or less, with the ratio of the average particle diameter of said toner particles to the average particle diameter of said carrier particles being 1/5 or less, and with a dynamic resistance of 1.0×
108 Ω
or less;
the specific triboelectric charge quantity generated between said toner particles and said carrier particles per unit weight of said toner particles being 25 μ
C/g or more.
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Abstract
A two-component dry type developer for developing latent electrostatic images comprises (i) toner particles with an average particle diameter of 14 μm or less and (ii) carrier particles with an average particle diameter of 70 μm 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 1.0×108 Ω 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 μC/g or more.
15 Citations
22 Claims
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1. A two-component dry type developer for developing latent electrostatic images comprising:
-
toner particles with an average particle diameter of 14 μ
m or less; andcarrier particles with an average particle diameter of 70 μ
m or less, with the ratio of the average particle diameter of said toner particles to the average particle diameter of said carrier particles being 1/5 or less, and with a dynamic resistance of 1.0×
108 Ω
or less;
the specific triboelectric charge quantity generated between said toner particles and said carrier particles per unit weight of said toner particles being 25 μ
C/g or more. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A two-component dry type developer for developing latent electrostatic images comprising:
-
toner particles with an average particle diameter of 14 μ
m or less; andcarrier particles with an average particle diameter of 70 μ
m or less, said carrier particles comprising particles of an inorganic material and an organic resin, with the ratio of the average particle diameter of said toner particles to the average particle diameter of said carrier particles being 1/5 or less, and with a dynamic resistance of 1.0×
108 Ω
or less;
the specific triboelectric charge quantity generated between said toner particles and said carrier particles per unit weight of said toner particles being 25 μ
C/g or more.
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Specification