SEMICONDUCTOR PROCESSING APPARATUS USING PLASMA

    公开(公告)号:US20250014871A1

    公开(公告)日:2025-01-09

    申请号:US18406898

    申请日:2024-01-08

    Abstract: According to an aspect of the present inventive concepts, a semiconductor processing apparatus includes: a chamber; an electrostatic chuck in an internal space of the chamber; a plurality of grid electrodes installed on the electrostatic chuck so as to be separated from each other in a first direction, perpendicular to an upper surface of the electrostatic chuck, and respectively having a plurality of through-holes; a plurality of reflectors between the plurality of grid electrodes and the electrostatic chuck and reflecting ions passing through the plurality of through-holes in each of the plurality of grid electrodes; and a voltage supply unit outputting a bias voltage having a predetermined cycle to at least one of the plurality of grid electrodes, wherein each of the plurality of grid electrodes includes a base plate containing a conductive material, and a cover layer covering a surface of the base plate and containing a metal oxide.

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