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    • 4. 发明申请
    • BAFFLE, SUBSTRATE SUPPORTING APPARATUS AND PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD
    • 基板支撑装置和等离子体处理装置和等离子体处理方法
    • WO2009054696A1
    • 2009-04-30
    • PCT/KR2008/006296
    • 2008-10-24
    • SOSUL CO., LTD.SEO, Young SooGUAHK, Jae HoJANG, Chul HeeHAN, Young Ki
    • SEO, Young SooGUAHK, Jae HoJANG, Chul HeeHAN, Young Ki
    • H01L21/306
    • H01J37/32633H01J37/32623
    • A plasma processing apparatus includes a chamber, a shielding member provided at an inner- upper portion of the chamber, a substrate supporting unit disposed under the shielding member and supporting a substrate, an electrode injecting reacting gas to an undersurface of the substrate, and a baffle discharging the reaction gas at a location identical to or higher than a horizontal plane of the substrate seating on the supporting unit. Since the gas discharge is realized at the location identical to or higher than the horizontal plane of the substrate, it becomes possible to make a residence time of the reaction gas at the central portion and edge of the undersurface of the substrate uniform. In addition, a plasma processing apparatus includes a chamber, a shielding member provided in the chamber, a first high frequency generator disposed opposing the shielding member and configured to generate plasma in the chamber, antennas arranged near an outer circumference of a sidewall of the chamber at a predetermined distance, a second high frequency generator including a high frequency power source connected to the antennas, and a substrate supporting unit supporting a substrate between the shielding member and the first high frequency generator. A second high frequency signal is applied after a first high frequency is applied from the first high frequency generator. Therefore, leakage of reaction gas and plasma located under the substrate can be prevented, and thus the etching rate and uniformity of the bottom side of the substrate can be improved.
    • 一种等离子体处理装置,包括:室,设置在所述室的内部上部的屏蔽部件,设置在所述屏蔽部件的下方并支撑基板的基板支撑部,向所述基板的下表面喷射反应气体的电极, 挡板将反应气体排放在与支撑单元上的基板的水平面相同或更高的位置处。 由于在与基板的水平面相同或更高的位置实现气体放电,因此可以使反应气体在基板的下表面的边缘和边缘的停留时间均匀。 此外,等离子体处理装置包括:腔室,设置在腔室中的屏蔽构件;第一高频发生器,其布置成与屏蔽构件相对设置,并且被配置为在腔室中产生等离子体;天线布置在室的侧壁的外周附近 在预定距离处,包括连接到所述天线的高频电源的第二高频发生器和在所述屏蔽构件和所述第一高频发生器之间支撑衬底的衬底支撑单元。 在从第一高频发生器施加第一高频之后施加第二高频信号。 因此,可以防止位于基板下方的反应气体和等离子体的泄漏,从而可以提高基板的底面的蚀刻速度和均匀性。
    • 5. 发明申请
    • APPARATUS AND METHOD FOR PROCESSING SUBSTRATE
    • 装置和处理基板的方法
    • WO2009084823A1
    • 2009-07-09
    • PCT/KR2008/007291
    • 2008-12-10
    • SOSUL CO., LTD.HAN, Young KiSEO, Young Soo
    • HAN, Young KiSEO, Young Soo
    • H01L21/205
    • H01J37/20H01J37/3244H01J37/32449H01J2237/2002H01J2237/20235
    • There are provided an apparatus and method for processing a substrate. By using the apparatus and method, plasma processing can be individually performed on each of edge and rear regions of a substrate in a single chamber. The apparatus includes a chamber providing a reaction space; a stage installed in the chamber; a plasma shielding unit installed opposite to the stage in the chamber; a support unit for supporting a substrate between the stage and the plasma shielding unit; a first supply pipe provided at the stage to supply a reaction or non-reaction gas to one surface of the substrate; and second and third supply pipes provided at the plasma shielding unit, the second supply pipe supplying a reaction gas to the other surface of the substrate, the third supply pipe supplying a non-reaction gas to the other surface.
    • 提供了一种用于处理基板的装置和方法。 通过使用该装置和方法,可以在单个室中对基板的边缘区域和后部区域各自进行等离子体处理。 该装置包括提供反应空间的室; 安装在室内的舞台; 等离子体屏蔽单元,其安装在所述室中与所述台相对; 支撑单元,用于在所述载物台和所述等离子体屏蔽单元之间支撑基板; 设置在所述阶段以将反应或非反应气体供应到所述基板的一个表面的第一供给管; 以及设置在所述等离子体屏蔽单元处的第二和第三供应管,所述第二供应管向所述基板的另一表面供应反应气体,所述第三供应管向另一表面供应非反应气体。