SEMICONDUCTOR WAFER PROCESSING DEVICE

    公开(公告)号:US20220392781A1

    公开(公告)日:2022-12-08

    申请号:US17745254

    申请日:2022-05-16

    Abstract: There is provided a semiconductor device capable of improving the performance and reliability of a device. The semiconductor wafer processing device comprising a chamber, and, a showerhead configured to supply a gas into the chamber, wherein the showerhead includes, a plate, a plurality of first spray hole groups in a first row from a center of the plate, and a second spray hole group in a second row outside the first row, wherein each of the first spray hole groups includes a plurality of first spray holes, and when L is an average value of distances from the center of the plate to each spray hole of each of the first spray hole groups, the number of first spray holes where a distance from the center of the plate is smaller than L is more than the number of first spray holes where the distance from the center of the plate is greater than L.

    DISPLAY APPARATUS
    4.
    发明申请
    DISPLAY APPARATUS 审中-公开

    公开(公告)号:US20190289729A1

    公开(公告)日:2019-09-19

    申请号:US16353545

    申请日:2019-03-14

    Abstract: Disclosed is a display apparatus including an LED module having a first fastening member, a front bracket having a second fastening member on which the LED module is mounted by an attractive force generated between the first and second fastening members, and at least one level adjusting member disposed on the LED module and configured to adjust a level difference between the LED module and another adjacent LED module.

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