Semiconductor device having multilevel copper wiring layers and its manufacture method

    公开(公告)号:US06960833B2

    公开(公告)日:2005-11-01

    申请号:US10350219

    申请日:2003-01-24

    摘要: To provide a semiconductor device having copper wiring layers and organic insulating resin layers with less separation and its manufacture method.A semiconductor device has: a semiconductor substrate formed with a number of semiconductor elements; a first interlayer insulating film formed above the semiconductor substrate and having a first wiring recess; a first copper wiring embedded in the first wiring recess; a second interlayer insulating film having a second wiring recess, the second interlayer insulating film including a copper diffusion preventing layer formed on the first copper wiring and the first interlayer insulating film, an oxide film formed on the copper diffusion preventing layer, and an organic insulating resin layer formed on the oxide film; and a second copper wiring embedded in the second wiring recess.

    Semiconductor device having multilevel copper wiring layers and its manufacture method
    3.
    发明授权
    Semiconductor device having multilevel copper wiring layers and its manufacture method 有权
    具有多层铜布线层的半导体器件及其制造方法

    公开(公告)号:US08188602B2

    公开(公告)日:2012-05-29

    申请号:US10350219

    申请日:2003-01-24

    IPC分类号: H01L51/46

    摘要: To provide a semiconductor device having copper wiring layers and organic insulating resin layers with less separation and its manufacture method.A semiconductor device has: a semiconductor substrate formed with a number of semiconductor elements; a first interlayer insulating film formed above the semiconductor substrate and having a first wiring recess; a first copper wiring embedded in the first wiring recess; a second interlayer insulating film having a second wiring recess, the second interlayer insulating film including a copper diffusion preventing layer formed on the first copper wiring and the first interlayer insulating film, an oxide film formed on the copper diffusion preventing layer, and an organic insulating resin layer formed on the oxide film; and a second copper wiring embedded in the second wiring recess.

    摘要翻译: 提供具有铜布线层的半导体器件和具有较小分离性的有机绝缘树脂层及其制造方法。 半导体器件具有:形成有多个半导体元件的半导体衬底; 形成在所述半导体衬底上并具有第一布线凹槽的第一层间绝缘膜; 嵌入在所述第一布线槽中的第一铜布线; 具有第二布线凹槽的第二层间绝缘膜,所述第二层间绝缘膜包括形成在所述第一铜布线和所述第一层间绝缘膜上的铜扩散防止层,形成在所述铜扩散防止层上的氧化膜,以及有机隔离层 在氧化膜上形成树脂层; 以及嵌入在第二布线凹槽中的第二铜布线。