Process kit having tall deposition ring and smaller diameter electrostatic chuck (ESC) for PVD chamber

    公开(公告)号:US11581167B2

    公开(公告)日:2023-02-14

    申请号:US17351535

    申请日:2021-06-18

    IPC分类号: H01J37/32 C23C14/50 C23C14/35

    摘要: Embodiments of process kits are provided herein. In some embodiments, a process kit, includes: a deposition ring configured to be disposed on a substrate support, the deposition ring comprising: an annular band having an upper surface and a lower surface, the lower surface including a step between a radially inner portion and a radially outer portion, the step extending downward from the radially inner portion to the radially outer portion; an inner lip extending upwards from the upper surface of the annular band and adjacent an inner surface of the annular band, and wherein an outer surface of the inner lip extends radially outward and downward from an upper surface of the inner lip to the upper surface of the annular band; a channel disposed radially outward of the annular band; and an outer lip extending upwardly and disposed radially outward of the channel.