Sputtering chamber having auxiliary backside magnet to improve etch uniformity and magnetron producing sustained self sputtering of ruthenium and tantalum
    1.
    发明授权
    Sputtering chamber having auxiliary backside magnet to improve etch uniformity and magnetron producing sustained self sputtering of ruthenium and tantalum 失效
    具有辅助背面磁体的溅射室以提高蚀刻均匀性,并产生磁控管,从而产生钌和钽的持续自溅射

    公开(公告)号:US08557094B2

    公开(公告)日:2013-10-15

    申请号:US11689720

    申请日:2007-03-22

    IPC分类号: C23C14/34

    摘要: A plasma sputter chamber and process for sputtering ruthenium and tantalum at low pressure or with self-sustained sputtering (SSS). The source magnetron is strongly unbalanced and of sufficient size to project the unbalanced magnetic field toward the wafer to increase the ionization probability. Sputter etch uniformity is increased by the use of an auxiliary magnet system rotating with the source magnetron but placed towards the center of rotation. It may be a larger, nearly balanced auxiliary magnetron with an outer polarity matching that of the source magnetron or an array of magnets of that polarity. An integrated process includes a directional deposition of the refractory metal and its nitride, a sputter etch, and a flash deposition.

    摘要翻译: 一种等离子体溅射室和用于在低压或自持溅射(SSS)下溅射钌和钽的工艺。 源极磁控管是非常不平衡的,并且具有足够的尺寸以将不平衡磁场投射到晶片以增加电离概率。 通过使用与源磁控管一起旋转但是朝向旋转中心放置的辅助磁体系统来增加溅射蚀刻均匀性。 它可以是较大的,几乎平衡的辅助磁控管,其外极性与源极磁控管或该极性的磁体阵列的极性匹配。 集成工艺包括难熔金属及其氮化物的定向沉积,溅射蚀刻和闪蒸沉积。

    Sputtering Chamber Having Auxiliary Backside Magnet to Improve Etch Uniformity and Magnetron Producing Sustained Self Sputtering of Ruthenium and Tantalum
    2.
    发明申请
    Sputtering Chamber Having Auxiliary Backside Magnet to Improve Etch Uniformity and Magnetron Producing Sustained Self Sputtering of Ruthenium and Tantalum 失效
    具有辅助背面磁铁的溅射室,以提高蚀刻均匀性和制造钌和钽的持续自溅射的磁控管

    公开(公告)号:US20080083610A1

    公开(公告)日:2008-04-10

    申请号:US11689720

    申请日:2007-03-22

    IPC分类号: C23C14/35

    摘要: A plasma sputter chamber and process for sputtering ruthenium and tantalum at low pressure or with self-sustained sputtering (SSS). The source magnetron is strongly unbalanced and of sufficient size to project the unbalanced magnetic field toward the wafer to increase the ionization probability. Sputter etch uniformity is increased by the use of an auxiliary magnet system rotating with the source magnetron but placed towards the center of rotation. It may be a larger, nearly balanced auxiliary magnetron with an outer polarity matching that of the source magnetron or an array of magnets of that polarity. An integrated process includes a directional deposition of the refractory metal and its nitride, a sputter etch, and a flash deposition.

    摘要翻译: 一种等离子体溅射室和用于在低压或自持溅射(SSS)下溅射钌和钽的工艺。 源极磁控管是非常不平衡的,并且具有足够的尺寸以将不平衡磁场投射到晶片以增加电离概率。 通过使用与源磁控管一起旋转但是朝向旋转中心放置的辅助磁体系统来增加溅射蚀刻均匀性。 它可以是较大的,几乎平衡的辅助磁控管,其外极性与源极磁控管或该极性的磁体阵列的极性匹配。 集成工艺包括难熔金属及其氮化物的定向沉积,溅射蚀刻和闪蒸沉积。

    Magnetron design for RF/DC physical vapor deposition
    7.
    发明授权
    Magnetron design for RF/DC physical vapor deposition 有权
    用于RF / DC物理气相沉积的磁控管设计

    公开(公告)号:US08580094B2

    公开(公告)日:2013-11-12

    申请号:US13163817

    申请日:2011-06-20

    IPC分类号: C23C14/35

    摘要: Methods and apparatus to improve target life and deposition uniformity in PVD chambers are provided herein. In some embodiments, a magnetron assembly includes a shunt plate having a central axis, the shunt plate rotatable about the central axis, a first open loop magnetic pole arc coupled to the shunt plate at a first radius from the central axis, and a second open loop magnetic pole arc coupled the shunt plate at a first distance from the first open loop magnetic pole arc, wherein at least one of the first radius varies along the first open loop magnetic pole arc or the first distance varies along the second open loop magnetic pole arc. In some embodiments, a first polarity of the first open loop magnetic pole arc opposes a second polarity of the second open loop magnetic pole arc.

    摘要翻译: 本文提供了改善PVD室中的目标寿命和沉积均匀性的方法和装置。 在一些实施例中,磁控管组件包括具有中心轴线的分流板,分流板可围绕中心轴线旋转,第一开环磁极电弧在与中心轴线成第一半径处耦合到分流板,第二开路 环形磁极以与第一开环磁极弧成第一距离的方式将分流板电弧耦合,其中第一半径中的至少一个沿第一开环磁极弧变化,或者第一距离沿第二开环磁极变化 弧。 在一些实施例中,第一开环磁极的第一极性与第二开环磁极的第二极性相反。