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    • 4. 发明授权
    • Magnetic toner and method of manufacturing magnetic toner
    • 磁性调色剂和磁性调色剂的制造方法
    • US07560212B2
    • 2009-07-14
    • US12050420
    • 2008-03-18
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • G03G9/083
    • G03G9/08G03G9/083G03G9/087
    • The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention: I) a ratio of an iron element content to a carbon element content present on the toner particle surface is less than 0.0010; II) 50 number % or more of toner particles satisfy a relationship of D/C≦0.02 (C: projected area diameter of toner particles, D: minimum value for a distance between a magnetic iron oxide fine particle and the toner particle surface); and III) 40-95 number % of toner particles satisfy a structure where 70 number % or more of the magnetic iron oxide fine particles in the respective toner particles are present up to a depth of 0.2 time as far as C from the toner particle surface.
    • 本发明提供一种几乎不受环境影响的磁性调色剂,即使在低湿度下也能稳定地进行高品质,高分辨率的图像稳定化。 在本发明的磁性调色剂中:I)调色剂颗粒表面上存在的铁元素含量与碳元素含量之比小于0.0010; II)50数量%以上的调色剂颗粒满足D / C <0.02的关系(C:调色剂颗粒的投影面积直径D:磁性氧化铁微粒与调色剂颗粒表面之间的距离的最小值) ; 和III)40-95%的调色剂颗粒满足其中相应调色剂颗粒中的70%或更多的磁性氧化铁细颗粒直到距调色剂颗粒表面的深度为0.2倍的结构 。
    • 7. 发明申请
    • Magnetic toner and method of manufacturing magnetic toner
    • 磁性调色剂和磁性调色剂的制造方法
    • US20050089785A1
    • 2005-04-28
    • US10938590
    • 2004-09-13
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • G03G9/08G03G9/083G03G9/087
    • G03G9/08G03G9/083G03G9/087
    • The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention: I) a ratio of an iron element content to a carbon element content present on the toner particle surface is less than 0.0010; II) 50 number % or more of toner particles satisfy a relationship of D/C≦0.02 (C: projected area diameter of toner particles, D: minimum value for a distance between a magnetic iron oxide fine particle and the toner particle surface); and III) 40-95 number % of toner particles satisfy a structure where 70 number % or more of the magnetic iron oxide fine particles in the respective toner particles are present up to a depth of 0.2 time as far as C from the toner particle surface.
    • 本发明提供一种几乎不受环境影响的磁性调色剂,即使在低湿度下也能稳定地进行高品质,高分辨率的图像稳定化。 在本发明的磁性调色剂中:I)调色剂颗粒表面上存在的铁元素含量与碳元素含量之比小于0.0010; II)50数量%以上的调色剂颗粒满足D / C <0.02的关系(C:调色剂颗粒的投影面积直径D:磁性氧化铁微粒与调色剂颗粒表面之间的距离的最小值) ; 和III)40-95%的调色剂颗粒满足其中相应调色剂颗粒中的磁性氧化铁细颗粒的70个数量%或更多到达调色剂颗粒表面的深度为0.2倍的结构 。
    • 9. 发明授权
    • Magnetic toner and method of manufacturing magnetic toner
    • 磁性调色剂和磁性调色剂的制造方法
    • US07371494B2
    • 2008-05-13
    • US10938590
    • 2004-09-13
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • G03G9/083
    • G03G9/08G03G9/083G03G9/087
    • The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention: I) a ratio of an iron element content to a carbon element content present on the toner particle surface is less than 0.0010; II) 50 number % or more of toner particles satisfy a relationship of D/C≦0.02 (C: projected area diameter of toner particles, D: minimum value for a distance between a magnetic iron oxide fine particle and the toner particle surface); and III) 40-95 number % of toner particles satisfy a structure where 70 number % or more of the magnetic iron oxide fine particles in the respective toner particles are present up to a depth of 0.2 time as far as C from the toner particle surface.
    • 本发明提供一种几乎不受环境影响的磁性调色剂,即使在低湿度下也能稳定地进行高品质,高分辨率的图像稳定化。 在本发明的磁性调色剂中:I)调色剂颗粒表面上存在的铁元素含量与碳元素含量之比小于0.0010; II)50数量%以上的调色剂颗粒满足D / C <0.02的关系(C:调色剂颗粒的投影面积直径D:磁性氧化铁微粒与调色剂颗粒表面之间的距离的最小值) ; 和III)40-95%的调色剂颗粒满足其中相应调色剂颗粒中的磁性氧化铁细颗粒的70个数量%或更多到达调色剂颗粒表面的深度为0.2倍的结构 。
    • 10. 发明申请
    • MAGNETIC TONER AND METHOD OF MANUFACTURING MAGNETIC TONER
    • 磁性墨粉和制造磁性墨粉的方法
    • US20080171277A1
    • 2008-07-17
    • US12050420
    • 2008-03-18
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • Tatsuhiko ChibaMichihisa MagomeEriko YanaseTakeshi Kaburagi
    • G03G9/083
    • G03G9/08G03G9/083G03G9/087
    • The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention: I) a ratio of an iron element content to a carbon element content present on the toner particle surface is less than 0.0010; II) 50 number % or more of toner particles satisfy a relationship of D/C≦0.02 (C: projected area diameter of toner particles, D: minimum value for a distance between a magnetic iron oxide fine particle and the toner particle surface); and III) 40-95 number % of toner particles satisfy a structure where 70 number % or more of the magnetic iron oxide fine particles in the respective toner particles are present up to a depth of 0.2 time as far as C from the toner particle surface.
    • 本发明提供一种几乎不受环境影响的磁性调色剂,即使在低湿度下也能稳定地进行高品质,高分辨率的图像稳定化。 在本发明的磁性调色剂中:I)调色剂颗粒表面上存在的铁元素含量与碳元素含量之比小于0.0010; II)50数量%以上的调色剂颗粒满足D / C <0.02的关系(C:调色剂颗粒的投影面积直径D:磁性氧化铁微粒与调色剂颗粒表面之间的距离的最小值) ; 和III)40-95%的调色剂颗粒满足其中相应调色剂颗粒中的磁性氧化铁细颗粒的70个数量%或更多到达调色剂颗粒表面的深度为0.2倍的结构 。