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    • 1. 发明授权
    • Electrostatic chuck with heater and manufacturing method thereof
    • 带加热器的静电吸盘及其制造方法
    • US08136820B2
    • 2012-03-20
    • US11841172
    • 2007-08-20
    • Ikuhisa MoriokaKazuhiro NoboriTetsuya KawajiriAkiyoshi Hattori
    • Ikuhisa MoriokaKazuhiro NoboriTetsuya KawajiriAkiyoshi Hattori
    • B23B31/28H01L21/683
    • H01L21/6831Y10T279/23
    • An electrostatic chuck with a heater includes: a base formed of a sintered body containing alumina; an ESC electrode provided in an upper portion side in the base; and a resistance heating body embedded in a lower portion side in the base. The base is composed of a dielectric layer from the ESC electrode to an upper surface of the base, and of a support member from the ESC electrode to a lower surface of the base. In the support member, a carbon content differs between an ESC electrode neighborhood in contact with the dielectric layer and a lower region below the ESC electrode neighborhood, a carbon content in the dielectric layer is 100 wt ppm or less, the carbon content in the ESC electrode neighborhood is 0.13 wt % or less, the carbon content in the lower region is 0.03 wt % or more and 0.5 wt % or less, and the carbon content in the ESC electrode neighborhood is smaller than the carbon content in the lower region. The resistance heating body contains niobium or platinum.
    • 具有加热器的静电卡盘包括:由含有氧化铝的烧结体形成的基体; 设置在所述基座的上部侧的ESC电极; 以及嵌入基座的下部侧的电阻加热体。 基体由从ESC电极到基底的上表面的电介质层和从ESC电极到基底的下表面的支撑构件构成。 在支撑构件中,与电介质层接触的ESC电极附近和ESC电极附近的下部区域之间的碳含量不同,电介质层中的碳含量为100重量ppm以下,ESC中的碳含量 电极附近为0.13重量%以下,下部区域的碳含量为0.03重量%以上且0.5重量%以下,ESC电极附近的碳含量低于下部区域的碳含量。 电阻加热体包含铌或铂。
    • 4. 发明申请
    • ELECTROSTATIC CHUCK WITH HEATER AND MANUFACTURING METHOD THEREOF
    • 带加热器的静电卡盘及其制造方法
    • US20080049374A1
    • 2008-02-28
    • US11841172
    • 2007-08-20
    • Ikuhisa MoriokaKazuhiro NoboriTetsuya KawajiriAkiyoshi Hattori
    • Ikuhisa MoriokaKazuhiro NoboriTetsuya KawajiriAkiyoshi Hattori
    • H01L21/683
    • H01L21/6831Y10T279/23
    • An electrostatic chuck with a heater includes: a base formed of a sintered body containing alumina; an ESC electrode provided in an upper portion side in the base; and a resistance heating body embedded in a lower portion side in the base. The base is composed of a dielectric layer from the ESC electrode to an upper surface of the base, and of a support member from the ESC electrode to a lower surface of the base. In the support member, a carbon content differs between an ESC electrode neighborhood in contact with the dielectric layer and a lower region below the ESC electrode neighborhood, a carbon content in the dielectric layer is 100 wt ppm or less, the carbon content in the ESC electrode neighborhood is 0.13 wt % or less, the carbon content in the lower region is 0.03 wt % or more but 0.5 wt % or less, and the carbon content in the ESC electrode neighborhood is smaller than the carbon content in the lower region. The resistance heating body contains niobium or platinum.
    • 具有加热器的静电卡盘包括:由含有氧化铝的烧结体形成的基体; 设置在所述基座的上部侧的ESC电极; 以及嵌入基座的下部侧的电阻加热体。 基体由从ESC电极到基体的上表面的电介质层和从ESC电极到基底的下表面的支撑体构成。 在支撑构件中,与电介质层接触的ESC电极附近和ESC电极附近的下部区域之间的碳含量不同,电介质层中的碳含量为100重量ppm以下,ESC中的碳含量 电极附近为0.13重量%以下,下部区域的碳含量为0.03重量%以上且0.5重量%以下,ESC电极附近的碳含量低于下部区域的碳含量。 电阻加热体包含铌或铂。