公开(公告)号：US20240068096A1

公开(公告)日：2024-02-29

申请号：US18199223

申请日：2023-05-18

Applicant: Applied Materials, Inc.

Inventor： Anantha K. SUBRAMANI ,  Seyyed Abdolreza FAZELI ,  Yang GUO ,  Chandrashekara BAGINAGERE ,  Ramcharan SUNDAR ,  Steven MOSBRUCKER ,  John LEE ,  Yiyang WAN ,  Shumao ZHANG ,  Dhritiman Subha KASHYAP ,  Azhar ALI M.A

IPC: C23C16/455 ,  C23C16/505

CPC classification number: C23C16/4557 ,  C23C16/505

Abstract: In some embodiments, a showerhead assembly includes a heated showerhead having a heater plate and a gas distribution plate coupled together; an ion filter spaced from the heated showerhead; a spacer ring in contact between the heated showerhead and the ion filter; a remote plasma region between the heated showerhead and the ion filter; an upper isolator spaced from the spacer ring and supported on the ion filter; a sealing ring fastened to the heated showerhead sealing against the upper isolator and pushing the upper isolator against the ion filter; a gap between a bottom of the gas distribution plate and a top of the ion filter, the gap being in fluid communication with the remote plasma region; a first passage extending through the heater plate; and a second passage in communication with the first passage and extending through the gas distribution plate, the second passage extending to the gap.