Carrier, developer including the carrier, and image forming apparatus using the developer
    1.
    发明授权
    Carrier, developer including the carrier, and image forming apparatus using the developer 有权
    包括载体的载体,显影剂和使用显影剂的图像形成装置

    公开(公告)号:US07272347B2

    公开(公告)日:2007-09-18

    申请号:US11528609

    申请日:2006-09-28

    IPC分类号: G03G15/09

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    Carrier, developer including the carrier, and image forming apparatus using the develper
    2.
    发明申请
    Carrier, developer including the carrier, and image forming apparatus using the develper 有权
    载体,显影剂,包括载体,以及使用脱毛剂的成像装置

    公开(公告)号:US20070082286A1

    公开(公告)日:2007-04-12

    申请号:US11528609

    申请日:2006-09-28

    IPC分类号: G03G9/113 G03G15/09

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    Carrier, developer including the carrier and image forming apparatus using the developer
    3.
    发明授权
    Carrier, developer including the carrier and image forming apparatus using the developer 有权
    载体,显影剂,包括使用显影剂的载体和图像形成装置

    公开(公告)号:US07226713B2

    公开(公告)日:2007-06-05

    申请号:US10766874

    申请日:2004-01-30

    IPC分类号: G03G9/113

    摘要: A carrier including a magnetic core material and a layer located on a surface of the magnetic core material, wherein the carrier satisfies the following relationships (1) to (3): 0.90≦(σa/σb)

    摘要翻译: 一种载体,包括磁芯材料和位于磁芯材料表面上的层,其中载体满足以下关系式(1)至(3):0.90 <=(sigmaa / sigmab)<1.00(1); 200 <=(sigmab.rhoc)<= 400(2); 10 <=(sigmab / rhoc)<= 20(3)其中sigmab表示载体在1,000 Oe下的磁化,σa表示在特定条件下与圆柱形套筒摩擦后载体的磁化,rhoc表示真实的 载体的重力,其中载体的重均粒径为约25至约65μm,并且包括重量平均粒径不大于约12μm的载体颗粒,其量不大于约0.3%,通过 重量,其中所述载体的重均粒径和数均粒径之间的比率为约1至约1.3,并且其中电阻为约1.0×10 9至约1.0 当以1000Hz的频率向载体的磁刷施加以下公式(4)表示的AC电压时,x10为11Ω·cm,形成在间隙为d的平行板电极之间 mm,使得磁刷具有sp A占有率为40%:E(V)= 250×d(4),其中d为0.40±0.05mm,E为峰值电压。

    Carrier, developer, image forming apparatus and process cartridge
    5.
    发明授权
    Carrier, developer, image forming apparatus and process cartridge 有权
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US07172846B2

    公开(公告)日:2007-02-06

    申请号:US10844442

    申请日:2004-05-13

    IPC分类号: G03G9/00

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 一种载体,其包括在其表面上具有层的锰铁氧体磁芯材料,使得0.1≤K≤30,其中K =(S / M)×100,S和M表示标准偏差,M 2 /(M 1 + M 2),M分别为0.05〜0.45,M 1和M 2分别表示载体颗粒中的铁和锰的含量。 载体的磁化范围为1,000Oe时的45至75emu / g,质量平均粒径D 4为25至65μm,粒径不大于12μm的载体颗粒的量为 不大于0.3重量%,D 4 / D 1为1至1.3的比例,其中D 1是载体的数均粒径。

    Carrier, developer, image forming apparatus and process cartridge
    6.
    发明申请
    Carrier, developer, image forming apparatus and process cartridge 审中-公开
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US20060291911A1

    公开(公告)日:2006-12-28

    申请号:US11514222

    申请日:2006-09-01

    IPC分类号: G03G15/09

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 一种载体,其包括在其表面上具有层的锰铁氧体磁芯材料,使得0.1≤K≤30,其中K =(S / M)×100,S和M表示标准偏差,M 2 /(M 1 + M 2),M分别为0.05〜0.45,M 1和M 2分别表示载体颗粒中的铁和锰的含量。 载体的磁化范围为1,000Oe时的45至75emu / g,质量平均粒径D 4为25至65μm,粒径不大于12μm的载体颗粒的量为 不大于0.3重量%,D 4 / D 1为1至1.3的比例,其中D 1是载体的数均粒径。

    Carrier, developer, image forming apparatus and process cartridge
    7.
    发明申请
    Carrier, developer, image forming apparatus and process cartridge 有权
    载体,显影剂,成像装置和处理盒

    公开(公告)号:US20050003292A1

    公开(公告)日:2005-01-06

    申请号:US10844442

    申请日:2004-05-13

    摘要: A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

    摘要翻译: 其中K =(S / M)×100,S和M表示标准偏差,平均值为M2 /(M1 + M2 ),M分别为0.05〜0.45,M1和M2分别表示载体颗粒中铁和锰的含量。 载体的磁化强度范围为1,000Oe时为45〜75emu / g,质量平均粒径D4为25〜65μm,粒径不大于12μm的载体颗粒不包括 大于0.3重量%,D4 / D1的范围为1至1.3的比率,其中D1是载体的数均粒径。

    CARRIER AND DEVELOPER FOR FORMING LATENT ELECTROSTATIC IMAGES, ASSOCIATED APPARATUS AND METHODOLOGY
    8.
    发明申请
    CARRIER AND DEVELOPER FOR FORMING LATENT ELECTROSTATIC IMAGES, ASSOCIATED APPARATUS AND METHODOLOGY 审中-公开
    形成静电影像的载体和开发者,相关设备和方法

    公开(公告)号:US20070202430A1

    公开(公告)日:2007-08-30

    申请号:US11744014

    申请日:2007-05-03

    IPC分类号: G03G9/113

    CPC分类号: G03G9/1075 G03G9/107

    摘要: A carrier for a double component developer for developing latent electrostatic images at least contains a particulate core material having a weight average particle diameter (Dw) of from 25 to 45 μm and a magnetic moment of from 65 to 90 Am2/Kg at 1 KOe and a resin layer located on the surface of the particulate core material. Further, the carrier has a breakdown voltage not less than 1,000 V.

    摘要翻译: 用于显影静电图像的双组分显影剂的载体至少含有重均粒径(Dw)为25至45μm,磁矩为65至90Am 2的颗粒芯材料, 1KOe的SUP> / Kg,位于颗粒状芯材表面的树脂层。 此外,载体具有不小于1000V的击穿电压。

    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
    9.
    发明授权
    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge 有权
    用于静电潜像显影的载体和显影剂,容器外壳显影剂,图像形成工艺,成像设备和处理盒

    公开(公告)号:US07252919B2

    公开(公告)日:2007-08-07

    申请号:US11449808

    申请日:2006-06-09

    IPC分类号: G03G9/00

    CPC分类号: G03G9/107 G03G2215/0607

    摘要: A carrier for electrostatic development contains a core particle and a coating layer covering the core particle, and the core particle is a ferrite particle containing at least one of Zr in an amount of 0.005% by mass to 5% by mass and Bi in an amount of 0.001% by mass to 1% by mass. The carrier shows a sufficient resistance, is stably charged over a long period of time, can avoid roughness and irregular density in halftone images, prevents deposition of the carrier particles on a photoconductor, can satisfactorily reproduce character images and can produce high-quality images over a long period of time. The carrier is usable for constituting a developer, a container housing the developer, an image forming apparatus and process, and process cartridge using the developer.

    摘要翻译: 用于静电显影的载体包含芯颗粒和覆盖芯颗粒的涂层,芯颗粒是含有0.005质量%至5质量%的Zr中的至少一种的铁氧体颗粒,Bi含量为 为0.001质量%〜1质量%。 载体显示出足够的电阻,在长时间内稳定地充电,可以避免半色调图像中的粗糙度和不规则的密度,防止载体颗粒沉积在感光体上,可以令人满意地再现字符图像并且可以产生高质量的图像 很长一段时间。 载体可用于构成显影剂,容纳显影剂的容器,图像形成装置和处理以及使用显影剂的处理盒。

    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge
    10.
    发明授权
    Carrier and developer for latent electrostatic image development, container housing developer, image forming process, image forming apparatus, and process cartridge 有权
    用于静电潜像显影的载体和显影剂,容器外壳显影剂,图像形成工艺,成像设备和处理盒

    公开(公告)号:US07144669B2

    公开(公告)日:2006-12-05

    申请号:US10798871

    申请日:2004-03-12

    IPC分类号: G03G9/00

    CPC分类号: G03G9/107 G03G2215/0607

    摘要: A carrier for electrostatic development contains a core particle and a coating layer covering the core particle, and the core particle is a ferrite particle containing at least one of Zr in an amount of 0.005% by mass to 5% by mass and Bi in an amount of 0.001% by mass to 1% by mass. The carrier shows a sufficient resistance, is stably charged over a long period of time, can avoid roughness and irregular density in halftone images, prevents deposition of the carrier particles on a photoconductor, can satisfactorily reproduce character images and can produce high-quality images over a long period of time. The carrier is usable for constituting a developer, a container housing the developer, an image forming apparatus and process, and process cartridge using the developer.

    摘要翻译: 用于静电显影的载体包含芯颗粒和覆盖芯颗粒的涂层,芯颗粒是含有0.005质量%至5质量%的Zr中的至少一种的铁氧体颗粒,Bi含量为 为0.001质量%〜1质量%。 载体显示出足够的电阻,在长时间内稳定地充电,可以避免半色调图像中的粗糙度和不规则的密度,防止载体颗粒沉积在感光体上,可以令人满意地再现字符图像并且可以产生高质量的图像 很长一段时间。 载体可用于构成显影剂,容纳显影剂的容器,图像形成装置和处理以及使用显影剂的处理盒。