Patent ID: 6326117
Filing Date: 2001-12-04
Classification: G03G

Abstract:
A toner comprising:a core that includes a core material as a main component;a shell that includes a shell material as a main component;a component-changing portion between the core and shell and that includes both the core material and the shell material, whereinthe amount of core material in the component changing portion gradually decreases in the direction from the core to the shell, andthe amount of shell material in the component-changing portion gradually decreases in the direction from the shell to the core;an outer shell that covers the shell, including an outer shell material as a main component; anda shell component changing portion between the shell and the outer shell, the shell component changing portion including the shell material and the outer shell material, whereinthe amount of shell material in the shell component-changing portion gradually decreases in the direction from the shell to the outer shell,the amount of outer shell material in the shell component-changing portion gradually decreases in the direction from the outer shell to the shell.