Method for plasma treatment
    3.
    发明授权
    Method for plasma treatment 有权
    等离子体处理方法

    公开(公告)号:US07115519B2

    公开(公告)日:2006-10-03

    申请号:US10684502

    申请日:2003-10-15

    申请人: Tomoyo Yamaguchi

    发明人: Tomoyo Yamaguchi

    IPC分类号: H01L21/302

    CPC分类号: H01J37/32082 H01L21/31116

    摘要: A method for plasma treatment etches an SiC layer with an increased etching rate and enhanced selectivities of SiC with respect to SiO2 and an organic layer. An etching gas is converted into plasma to etch SiC. The etching gas may include CHF3; CHF3 and N2, for example, a mixed gas of CHF3, N2 and Ar; or a material having C, H and F and a material having N but without any material having O.

    摘要翻译: 等离子体处理的方法蚀刻具有增加的蚀刻速率的SiC层和提高SiC相对于SiO 2和有机层的选择性。 将蚀刻气体转化为等离子体以蚀刻SiC。 蚀刻气体可以包括CHF 3 N 3; CHF 3 N和N 2,例如CHF 3 N 2,N 2和Ar的混合气体; 或具有C,H和F的材料,以及具有N但不含任何材料的材料。