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    • 15. 发明申请
    • CORNER SPOILER FOR IMPROVING PROFILE UNIFORMITY
    • 用于改善轮廓均匀性的角撑板
    • US20150211120A1
    • 2015-07-30
    • US14610489
    • 2015-01-30
    • Applied Materials, Inc.
    • Lai ZHAOGaku FURUTAQunhua WANGRobin L. TINERBeom Soo PARKSoo Young CHOISanjay D. YADAV
    • C23C16/455H01J37/32
    • The present disclosure relates to a corner spoiler designed to decrease high deposition rates on corner regions of substrates by changing the gas flow. In one embodiment, a corner spoiler for a processing chamber includes an L-shaped body fabricated from a dielectric material, wherein the L-shaped body is configured to change plasma distribution at a corner of a substrate in the processing chamber. The L-shaped body includes a first and second leg, wherein the first and second legs meet at an inside corner of the L-shaped body. The length of the first or second leg is twice the distance defined between the first or second leg and the inside corner. In another embodiment, a shadow frame for a depositing chamber includes a rectangular shaped body having a rectangular opening therethrough, and one or more corner spoilers coupled to the rectangular shaped body at corners of the rectangular shaped body.
    • 本发明涉及一种设计用于通过改变气体流量来降低基板拐角区域的高沉积速率的拐角扰流板。 在一个实施例中,用于处理室的拐角扰流板包括由介电材料制成的L形主体,其中L形主体被配置为改变处理室中的基板的拐角处的等离子体分布。 L形本体包括第一和第二腿,其中第一和第二腿在L形体的内角处相交。 第一腿或第二腿的长度是在第一腿或第二腿与内角之间限定的距离的两倍。 在另一个实施例中,用于沉积室的阴影框架包括具有矩形开口的矩形体,以及在矩形体的角落处联接到矩形体的一个或多个拐角扰流板。