Photoimageable material patterning techniques useful in fabricating conductive lines in circuit structures
    2.
    发明授权
    Photoimageable material patterning techniques useful in fabricating conductive lines in circuit structures 有权
    可用于制造电路结构中的导线的可光成像材料图案化技术

    公开(公告)号:US06649515B2

    公开(公告)日:2003-11-18

    申请号:US09164508

    申请日:1998-09-30

    IPC分类号: H01L214763

    CPC分类号: H01L21/76808 H01L21/76834

    摘要: A method of forming an interconnection including the steps of depositing a first masking material over a first conductive region of an integrated circuit substrate and depositing a dielectric material over the first masking material. The method also includes forming a via through the dielectric material to expose the first masking material and a second masking material is deposited in a portion of the via. A trench is formed in the dielectric material over a portion of the via and the second masking material is removed from the via. The via is then extended through the first masking material and a conductive material is deposited in the via.

    摘要翻译: 一种形成互连的方法,包括以下步骤:在集成电路基板的第一导电区域上沉积第一掩模材料,并在第一掩模材料上沉积电介质材料。 该方法还包括通过介电材料形成通孔以暴露第一掩模材料,并且第二掩蔽材料沉积在通孔的一部分中。 在通孔的一部分上的电介质材料中形成沟槽,并且从通孔去除第二掩模材料。 然后将通孔延伸穿过第一掩模材料,并且导电材料沉积在通孔中。