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    • 4. 发明授权
    • Electrostatic chuck and substrate temperature adjusting-fixing device
    • 静电吸盘和基板温度调节固定装置
    • US08199454B2
    • 2012-06-12
    • US12333491
    • 2008-12-12
    • Tomoaki KoyamaKoki Tamagawa
    • Tomoaki KoyamaKoki Tamagawa
    • H01L21/683H01T23/00H01G7/02H05F3/00
    • H01L21/6831
    • There is provided an electrostatic chuck for placing an adsorption object or a base body having an electrostatic electrode embedded therein and generating a coulombic force between the adsorption object and the electrostatic electrode by applying a voltage to the electrostatic electrode so as to hold the adsorption object in an adsorption state, wherein the base body includes a upper surface of the base body opposed to the adsorption object and a protrusion portion provided in the upper surface of the base body so as to come into contact with the adsorption object, and wherein the protrusion portion is provided in a region except for an outer edge portion of the upper surface of the base body, and the outer edge portion is substantially formed in the same plane as that of the upper surface of the base body.
    • 提供了一种静电卡盘,用于将吸附物体或具有静电电极的基体放置在其中并通过向静电电极施加电压以在吸附物体和静电电极之间产生库仑力,以将吸附物体保持在 吸附状态,其中所述基体包括与所述吸附物体相对的所述基体的上表面和设置在所述基体的上表面中以与所述吸附物接触的突出部,并且其中所述突起部 设置在除了基体的上表面的外缘部以外的区域中,外缘部大致形成在与基体的上表面相同的平面上。
    • 6. 发明申请
    • SUBSTRATE FOR ELECTROSTATIC CHUCK AND ELECTROSTATIC CHUCK
    • 静电卡盘和静电卡盘基座
    • US20110096461A1
    • 2011-04-28
    • US12910493
    • 2010-10-22
    • Tadayoshi YOSHIKAWAKoki TamagawaNaoto Watanabe
    • Tadayoshi YOSHIKAWAKoki TamagawaNaoto Watanabe
    • H01L21/683
    • H01L21/6833
    • An electrostatic chuck includes a metal base member and an insulating substrate having an opposite surface to an attraction surface joined onto the base member via an adhesive layer. In the substrate, an electrode layer to which a direct current voltage for attraction is applied is embedded in a portion of the substrate, close to the attraction surface. In addition, a plurality of independent RF electrode layers to which different radio frequencies for plasma control are fed, respectively, are embedded in portions of the substrate, at an opposite side of the first electrode layer to the attraction surface. The RF electrode layers are arranged separately in different layers which are not on an identical plane in such a manner as to partially overlap each other in a plan view.
    • 静电卡盘包括金属基部件和绝缘基板,该绝缘基板具有通过粘合剂层接合到基底构件上的吸引表面的相反表面。 在基板中,施加有用于吸引的直流电压的电极层嵌入基板的靠近吸引面的部分。 此外,在第一电极层的与吸引表面相对的一侧的基板的部分分别嵌入多个用于等离子体控制的不同射频的独立RF电极层。 RF电极层分别布置在不在同一平面上的不同层中,以在平面图中彼此部分重叠的方式。
    • 9. 发明授权
    • Substrate for electrostatic chuck and electrostatic chuck
    • 静电吸盘和静电吸盘用基板
    • US08441772B2
    • 2013-05-14
    • US12910493
    • 2010-10-22
    • Tadayoshi YoshikawaKoki TamagawaNaoto Watanabe
    • Tadayoshi YoshikawaKoki TamagawaNaoto Watanabe
    • H01L21/683H01T23/00H01G7/02H05F3/00G03G15/02
    • H01L21/6833
    • An electrostatic chuck includes a metal base member and an insulating substrate having an opposite surface to an attraction surface joined onto the base member via an adhesive layer. In the substrate, an electrode layer to which a direct current voltage for attraction is applied is embedded in a portion of the substrate, close to the attraction surface. In addition, a plurality of independent RF electrode layers to which different radio frequencies for plasma control are fed, respectively, are embedded in portions of the substrate, at an opposite side of the first electrode layer to the attraction surface. The RF electrode layers are arranged separately in different layers which are not on an identical plane in such a manner as to partially overlap each other in a plan view.
    • 静电卡盘包括金属基部件和绝缘基板,该绝缘基板具有通过粘合剂层接合到基底构件上的吸引表面的相反表面。 在基板中,施加有用于吸引的直流电压的电极层嵌入基板的靠近吸引面的部分。 此外,在第一电极层的与吸引表面相对的一侧的基板的部分分别嵌入多个用于等离子体控制的不同射频的独立RF电极层。 RF电极层分别布置在不在同一平面上的不同层中,以在平面图中彼此部分重叠的方式。