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    • 3. 发明申请
    • GAS DISTRIBUTION SYSTEM
    • 气体分配系统
    • US20120325149A1
    • 2012-12-27
    • US13528906
    • 2012-06-21
    • HANH D. NGUYENMAJEED A. FOADDIETER HAASKARL J. ARMSTRONGXIAOXIONG YUAN
    • HANH D. NGUYENMAJEED A. FOADDIETER HAASKARL J. ARMSTRONGXIAOXIONG YUAN
    • C23C16/455F17D1/00
    • C23C16/455C23C16/45565F17D1/00Y10T137/8593
    • In some embodiments, a gas distribution system may include a body disposed within a through hole formed in a process chamber body, the body comprising an opening, wherein an outer surface of the body is disposed a first distance from an inner surface of the through hole to form a first gap; a flange disposed proximate a first end of the body, the flange having an outer dimension greater than an inner dimension of the through hole; a showerhead disposed proximate a second end of the body opposite the first end and extending outwardly from the body to overlap a portion of the process chamber body, the showerhead configured to allow a flow of gas to an inner volume of the process chamber, wherein an outer surface of the showerhead is disposed a second distance from an inner surface of the process chamber body to form a second gap.
    • 在一些实施例中,气体分配系统可以包括设置在形成在处理室主体中的通孔内的主体,主体包括开口,其中主体的外表面设置在距通孔内表面的第一距离处 形成第一个差距; 靠近所述主体的第一端设置的凸缘,所述凸缘具有大于所述通孔的内部尺寸的外部尺寸; 淋浴头,其设置在所述主体的与所述第一端相对的第二端附近并且从所述主体向外延伸以与所述处理室主体的一部分重叠,所述喷头构造成允许气体流动到所述处理室的内部容积,其中, 淋浴喷头的外表面与处理室主体的内表面设置成第二距离,以形成第二间隙。