Magnetron plasma processing apparatus
    1.
    发明授权
    Magnetron plasma processing apparatus 有权
    磁控管等离子体处理装置

    公开(公告)号:US06190495B1

    公开(公告)日:2001-02-20

    申请号:US09361992

    申请日:1999-07-28

    IPC分类号: B23K1000

    摘要: The magnetron plasma processing apparatus includes a vacuum chamber in which a semiconductor wafer is accommodated. In the chamber, a pair of electrodes are provided to face each other, and the wafer is placed on one electrode. Between a pair of the electrodes, a vertical electric field is formed, and a horizontal magnetic field is formed by the dipole ring magnet to cross perpendicularly to the electric field. The magnetic field has a gradient of the magnetic field intensity such that the intensity is high on the upstream side and is low on the downstream side in the electron-drift direction. Further, the magnetic field is formed such that the intensity is made uniform over a large area including the end portion of the wafer on the upstream side in the electron-drift direction and a region right outside it.

    摘要翻译: 磁控管等离子体处理装置包括容纳半导体晶片的真空室。 在室内设置一对电极以彼此面对,并且将晶片放置在一个电极上。 在一对电极之间形成垂直电场,并且由偶极环磁体形成水平磁场以垂直于电场交叉。 磁场具有磁场强度的梯度,使得上游侧的强度高,并且在电子漂移方向的下游侧具有低的磁场强度。 此外,磁场形成为使得强度在包括晶片在电子漂移方向上游侧的晶片的端部和右侧的区域的大面积上均匀。

    Focus ring and plasma processing apparatus
    9.
    发明申请
    Focus ring and plasma processing apparatus 失效
    对焦环和等离子体处理装置

    公开(公告)号:US20070169891A1

    公开(公告)日:2007-07-26

    申请号:US10933383

    申请日:2004-09-03

    IPC分类号: C23F1/00

    摘要: A focus ring and a plasma processing apparatus capable of improving an in-surface uniformity of a surface and reducing occurrences of deposition on a backside surface of a peripheral portion of a semiconductor wafer compared to a conventional case are provided. Installed in a vacuum chamber is a susceptor for mounting the semiconductor wafer thereon and a focus ring is installed to surround the semiconductor wafer mounted on the susceptor. The focus ring includes an annular lower member made of a dielectric, and an annular upper member made of a conductive material and mounted on the lower member. The upper member includes a flat portion which is an outer peripheral portion having a top surface positioned higher than a surface to be processed of the semiconductor wafer W, and an inclined portion which is an inner peripheral portion inclined inwardly.

    摘要翻译: 提供了一种聚焦环和等离子体处理装置,其能够改善表面的表面均匀性并减少与常规情况相比在半导体晶片的周边部分的背面上沉积的情况。 安装在真空室中的是用于在其上安装半导体晶片的基座,并且安装聚焦环以围绕安装在基座上的半导体晶片。 聚焦环包括由电介质制成的环形下部构件和由导电材料制成并安装在下部构件上的环形上部构件。 上部构件包括平坦部,该平坦部是具有位于比半导体晶片W的待加工表面高的顶面的外周部,以及作为向内倾斜的内周部的倾斜部。