COOLED REFLECTIVE ADAPTER PLATE FOR A DEPOSITION CHAMBER

    公开(公告)号:US20200098559A1

    公开(公告)日:2020-03-26

    申请号:US16695793

    申请日:2019-11-26

    IPC分类号: H01L21/02 C23C16/48 C23C14/54

    摘要: In one embodiment, an adapter plate for a deposition chamber is provided. The adapter plate comprises a body, a mounting plate centrally located on the body, a first annular portion extending longitudinally from a first surface of the mounting plate and disposed radially inward from an outer surface of the mounting plate, a second annular portion extending longitudinally from an opposing second surface of the mounting plate and disposed radially inward from the outer surface of the mounting plate, and a mirror-finished surface disposed on the interior of the second annular portion, the mirror-finished surface having an average surface roughness of 6 Ra or less.