Damascene interconnect structure with cap layer
    1.
    发明申请
    Damascene interconnect structure with cap layer 有权
    镶嵌互连结构与盖层

    公开(公告)号:US20060118962A1

    公开(公告)日:2006-06-08

    申请号:US11004767

    申请日:2004-12-03

    IPC分类号: H01L23/48 H01L23/52

    摘要: A method of forming an integrated circuit interconnect structure is presented. A first conductive line is formed over a semiconductor substrate. A conductive cap layer is formed on the first conductive line to improve device reliability. An etch stop layer (ESL) is formed on the conductive cap layer. An inter-level dielectric (IMD) is formed on the ESL. A via opening and a trench are formed in the ESL, IMD, and conductive cap layer. A recess is formed in the first conductive line. The recess can be formed by over etching when the first dielectric is etched, or by a separate process such as argon sputtering. A second conductive line is formed filling the trench, opening and recess.

    摘要翻译: 提出了一种形成集成电路互连结构的方法。 在半导体衬底上形成第一导电线。 导电盖层形成在第一导电线上以提高器件的可靠性。 在导电盖层上形成蚀刻停止层(ESL)。 在ESL上形成层间电介质(IMD)。 通孔和沟槽形成在ESL,IMD和导电盖层中。 在第一导线中形成凹部。 当蚀刻第一电介质时,或者通过诸如氩气溅射的分离工艺,可以通过过蚀刻形成凹部。 形成第二导电线,填充沟槽,开口和凹陷。

    Damascene interconnect structure with cap layer
    2.
    发明授权
    Damascene interconnect structure with cap layer 有权
    镶嵌互连结构与盖层

    公开(公告)号:US07259463B2

    公开(公告)日:2007-08-21

    申请号:US11004767

    申请日:2004-12-03

    IPC分类号: H01L23/48

    摘要: A method of forming an integrated circuit interconnect structure is presented. A first conductive line is formed over a semiconductor substrate. A conductive cap layer is formed on the first conductive line to improve device reliability. An etch stop layer (ESL) is formed on the conductive cap layer. An inter-level dielectric (IMD) is formed on the ESL. A via opening and a trench are formed in the ESL, IMD, and conductive cap layer. A recess is formed in the first conductive line. The recess can be formed by over etching when the first dielectric is etched, or by a separate process such as argon sputtering. A second conductive line is formed filling the trench, opening and recess.

    摘要翻译: 提出了一种形成集成电路互连结构的方法。 在半导体衬底上形成第一导电线。 导电盖层形成在第一导电线上以提高器件的可靠性。 在导电盖层上形成蚀刻停止层(ESL)。 在ESL上形成层间电介质(IMD)。 通孔和沟槽形成在ESL,IMD和导电盖层中。 在第一导线中形成凹部。 当蚀刻第一电介质时,或者通过诸如氩气溅射的分离工艺,可以通过过蚀刻形成凹部。 形成第二导电线,填充沟槽,开口和凹陷。

    Passivation structure for semiconductor devices
    4.
    发明申请
    Passivation structure for semiconductor devices 审中-公开
    半导体器件钝化结构

    公开(公告)号:US20060138668A1

    公开(公告)日:2006-06-29

    申请号:US11023296

    申请日:2004-12-27

    IPC分类号: H01L23/06

    摘要: A system and method for providing a passivation structure for semiconductor devices is provided. In an embodiment, the passivation structure comprises a first barrier layer and a second barrier layer, wherein the second barrier layer may comprise a material, such as cobalt and/or nickel, that is less pure than the first barrier layer. In another embodiment, a single gradient barrier layer is formed. In this embodiment the single gradient barrier layer exhibits a greater pure conductive material, such as cobalt and/or nickel, nearer the conductive line than near the surface.

    摘要翻译: 提供了一种用于提供半导体器件的钝化结构的系统和方法。 在一个实施例中,钝化结构包括第一阻挡层和第二阻挡层,其中第二阻挡层可以包括比第一阻挡层更纯的材料,例如钴和/或镍。 在另一个实施例中,形成单个梯度阻挡层。 在该实施例中,单个梯度阻挡层表现出比在表面附近更靠近导电线的较高纯度的导电材料,例如钴和/或镍。