| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electrostatic developing positive-chargeable carrier for magnetic brush development which has excellent surface contamination resistance, good environmental dependence of electrification and performance with time, fast rising speed of electrification and excellent charge exchanging property. SOLUTION: The positive-chargeable carrier for electrostatic charge image development has a coating having function to control triboelectrification and having 100 to 1,000 ppm concentration of nitrogen atoms to weight of the carrier core on the material.</p> |
