INTERCONNECT STRUCTURE AND METHOD OF MAKING SAME
    1.
    发明申请
    INTERCONNECT STRUCTURE AND METHOD OF MAKING SAME 审中-公开
    互连结构及其制作方法

    公开(公告)号:US20090108450A1

    公开(公告)日:2009-04-30

    申请号:US11928327

    申请日:2007-10-30

    IPC分类号: H01L23/52

    摘要: An interconnect structure and method of fabricating the same is provided. The interconnect structure is a highly reliable copper interconnect structure. The interconnect structure includes a planarized lower dielectric layer and a lower cap layer on the planarized lower dielectric layer. A copper material is formed in a trench of the planarized lower dielectric layer, below the lower cap layer. A lower liner extends into a pattern of the lower cap layer and contacts the copper layer. An upper dielectric layer is on the lower cap layer and a copper layer contacts the lower liner and is formed in a via of at least the lower cap layer. An upper liner is formed over the copper layer, sandwiching the copper layer between the lower liner and the upper liner. An upper copper layer is formed over the upper liner.

    摘要翻译: 提供了互连结构及其制造方法。 互连结构是高度可靠的铜互连结构。 互连结构包括在平坦化的下介电层上的平坦化的下介电层和下盖层。 在平坦化的下介电层的沟槽中形成铜材料,在下盖层下方。 下衬垫延伸成下盖层的图案并与铜层接触。 上电介质层在下盖层上,铜层接触下衬垫,并形成在至少下盖层的通孔中。 在铜层之上形成上衬垫,将铜层夹在下衬套和上衬套之间。 在上衬板上方形成上铜层。

    Method for fabricating back end of the line structures with liner and seed materials
    2.
    发明授权
    Method for fabricating back end of the line structures with liner and seed materials 失效
    用衬里和种子材料制造线结构后端的方法

    公开(公告)号:US08232195B2

    公开(公告)日:2012-07-31

    申请号:US12137875

    申请日:2008-06-12

    IPC分类号: H01L21/4763

    CPC分类号: H01L21/76846 H01L21/76865

    摘要: A sputter-etching method employed to achieve a thinned down noble metal liner layer deposited on the surface or field of an intermediate back end of the line (BEOL) interconnect structure. The noble metal liner layer is substantially thinned down to a point where the effect of the noble metal has no significant effect in the chemical-mechanical polishing (CMP) process. The noble metal liner layer may be completely removed by sputter etching to facilitate effective planarization by chemical-mechanical polishing to take place.

    摘要翻译: 用于实现沉积在线(BEOL)互连结构的中间后端的表面或场上的减薄的贵金属衬里层的溅射蚀刻方法。 贵金属衬里层基本上变薄到贵金属的作用在化学机械抛光(CMP)工艺中没有显着影响的程度。 可以通过溅射蚀刻完全去除贵金属衬里层,以便通过化学机械抛光发生有效的平坦化。

    Back end of the line structures with liner and noble metal layer
    3.
    发明授权
    Back end of the line structures with liner and noble metal layer 有权
    具有衬垫和贵金属层的线结构的后端

    公开(公告)号:US07402883B2

    公开(公告)日:2008-07-22

    申请号:US11380074

    申请日:2006-04-25

    IPC分类号: H01L23/48

    CPC分类号: H01L21/76846 H01L21/76865

    摘要: A back end of the line (BEOL) structure of a semiconductor device is presented. In one embodiment, the structure may include a first liner layer disposed on an intermediate interconnect structure, the intermediate interconnect structure having an opening disposed between two surfaces of a dielectric material, wherein the first liner layer is in direct contact with at least a portion of a conductive wiring material of an underneath interconnect layer; a noble metal layer disposed on the first liner layer at least in the opening; and a conductive wiring material disposed on the noble metal layer, the conductive wiring material substantially filling the opening; wherein the first liner layer, the noble metal layer and the conductive wiring material are coplanar with the two surfaces of the dielectric material of the intermediate interconnect structure, and the noble metal layer includes a different material than the first liner layer.

    摘要翻译: 提出了半导体器件的线路(BEOL)结构的后端。 在一个实施例中,该结构可以包括设置在中间互连结构上的第一衬里层,所述中间互连结构具有设置在电介质材料的两个表面之间的开口,其中第一衬垫层与至少一部分 下面的互连层的导电布线材料; 至少在所述开口中设置在所述第一衬垫层上的贵金属层; 以及布置在所述贵金属层上的导电布线材料,所述导电布线材料基本上填充所述开口; 其中所述第一衬里层,所述贵金属层和所述导电布线材料与所述中间互连结构的介电材料的两个表面共面,并且所述贵金属层包括与所述第一衬里层不同的材料。

    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement
    4.
    发明授权
    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement 有权
    电镀种子层包括用于屏障增强的氧/氮过渡区域

    公开(公告)号:US08003524B2

    公开(公告)日:2011-08-23

    申请号:US12177309

    申请日:2008-07-22

    IPC分类号: H01L21/4763

    摘要: An interconnect structure which includes a plating seed layer that has enhanced conductive material, preferably, Cu, diffusion properties is provided that eliminates the need for utilizing separate diffusion and seed layers. Specifically, the present invention provides an oxygen/nitrogen transition region within a plating seed layer for interconnect metal diffusion enhancement. The plating seed layer may include Ru, Ir or alloys thereof, and the interconnect conductive material may include Cu, Al, AlCu, W, Ag, Au and the like. Preferably, the interconnect conductive material is Cu or AlCu. In more specific terms, the present invention provides a single seeding layer which includes an oxygen/nitrogen transition region sandwiched between top and bottom seed regions. The presence of the oxygen/nitrogen transition region within the plating seed layer dramatically enhances the diffusion barrier resistance of the plating seed.

    摘要翻译: 提供一种互连结构,其包括具有增强的导电材料,优选Cu扩散性质的电镀种子层,其不需要使用单独的扩散和种子层。 具体地说,本发明提供了用于互连金属扩散增强的电镀种子层内的氧/氮过渡区域。 电镀种子层可以包括Ru,Ir或其合金,并且互连导电材料可以包括Cu,Al,AlCu,W,Ag,Au等。 优选地,互连导电材料是Cu或AlCu。 在更具体的术语中,本发明提供了单个接种层,其包括夹在顶部和底部种子区域之间的氧/氮过渡区域。 电镀种子层内的氧/氮过渡区的存在显着提高了电镀种子的扩散阻挡性。

    METHOD FOR FABRICATING BACK END OF THE LINE STRUCTURES WITH LINER AND SEED MATERIALS
    5.
    发明申请
    METHOD FOR FABRICATING BACK END OF THE LINE STRUCTURES WITH LINER AND SEED MATERIALS 失效
    用衬里和种子材料制作线结构的后端的方法

    公开(公告)号:US20080242082A1

    公开(公告)日:2008-10-02

    申请号:US12137875

    申请日:2008-06-12

    IPC分类号: H01L21/768

    CPC分类号: H01L21/76846 H01L21/76865

    摘要: A sputter-etching method employed to achieve a thinned down noble metal liner layer deposited on the surface or field of an intermediate back end of the line (BEOL) interconnect structure. The noble metal liner layer is substantially thinned down to a point where the effect of the noble metal has no significant effect in the chemical-mechanical polishing (CMP) process. The noble metal liner layer may be completely removed by sputter etching to facilitate effective planarization by chemical-mechanical polishing to take place.

    摘要翻译: 用于实现沉积在线(BEOL)互连结构的中间后端的表面或场上的减薄的贵金属衬里层的溅射蚀刻方法。 贵金属衬里层基本上变薄到贵金属的作用在化学机械抛光(CMP)工艺中没有显着影响的程度。 可以通过溅射蚀刻完全去除贵金属衬里层,以便通过化学机械抛光发生有效的平坦化。

    PLATING SEED LAYER INCLUDING AN OXYGEN/NITROGEN TRANSITION REGION FOR BARRIER ENHANCEMENT
    6.
    发明申请
    PLATING SEED LAYER INCLUDING AN OXYGEN/NITROGEN TRANSITION REGION FOR BARRIER ENHANCEMENT 有权
    包括用于障碍物增强的氧/氮过渡区的种植层

    公开(公告)号:US20090155996A1

    公开(公告)日:2009-06-18

    申请号:US12177309

    申请日:2008-07-22

    IPC分类号: H01L21/768

    摘要: An interconnect structure which includes a plating seed layer that has enhanced conductive material, preferably, Cu, diffusion properties is provided that eliminates the need for utilizing separate diffusion and seed layers. Specifically, the present invention provides an oxygen/nitrogen transition region within a plating seed layer for interconnect metal diffusion enhancement. The plating seed layer may include Ru, Ir or alloys thereof, and the interconnect conductive material may include Cu, Al, AlCu, W, Ag, Au and the like. Preferably, the interconnect conductive material is Cu or AlCu. In more specific terms, the present invention provides a single seeding layer which includes an oxygen/nitrogen transition region sandwiched between top and bottom seed regions. The presence of the oxygen/nitrogen transition region within the plating seed layer dramatically enhances the diffusion barrier resistance of the plating seed.

    摘要翻译: 提供一种互连结构,其包括具有增强的导电材料,优选Cu扩散性质的电镀种子层,其不需要使用单独的扩散和种子层。 具体地说,本发明提供了用于互连金属扩散增强的电镀种子层内的氧/氮过渡区域。 电镀种子层可以包括Ru,Ir或其合金,并且互连导电材料可以包括Cu,Al,AlCu,W,Ag,Au等。 优选地,互连导电材料是Cu或AlCu。 在更具体的术语中,本发明提供了单个接种层,其包括夹在顶部和底部种子区域之间的氧/氮过渡区域。 电镀种子层内的氧/氮过渡区的存在显着提高了电镀种子的扩散阻挡性。

    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement
    7.
    发明授权
    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement 有权
    电镀种子层包括用于屏障增强的氧/氮过渡区域

    公开(公告)号:US07498254B2

    公开(公告)日:2009-03-03

    申请号:US11682581

    申请日:2007-03-06

    IPC分类号: H01L21/4763

    摘要: An interconnect structure which includes a plating seed layer that has enhanced conductive material, preferably, Cu, diffusion properties is provided that eliminates the need for utilizing separate diffusion and seed layers. Specifically, the present invention provides an oxygen/nitrogen transition region within a plating seed layer for interconnect metal diffusion enhancement. The plating seed layer may include Ru, Ir or alloys thereof and the interconnect conductive material may include Cu, Al, AlCu, W, Ag, Au and the like. Preferably, the interconnect conductive material is Cu or AlCu. In more specific terms, the present invention provides a single seeding layer which includes an oxygen/nitrogen transition region sandwiched between top and bottom seed regions. The presence of the oxygen/nitrogen transition region within the plating seed layer dramatically enhances the diffusion barrier resistance of the plating seed.

    摘要翻译: 提供一种互连结构,其包括具有增强的导电材料,优选Cu扩散性质的电镀种子层,其不需要使用单独的扩散和种子层。 具体地说,本发明提供了用于互连金属扩散增强的电镀种子层内的氧/氮过渡区域。 电镀种子层可以包括Ru,Ir或其合金,并且互连导电材料可以包括Cu,Al,AlCu,W,Ag,Au等。 优选地,互连导电材料是Cu或AlCu。 在更具体的术语中,本发明提供了单个接种层,其包括夹在顶部和底部种子区域之间的氧/氮过渡区域。 电镀种子层内的氧/氮过渡区的存在显着提高了电镀种子的扩散阻挡性。

    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement
    8.
    发明授权
    Plating seed layer including an oxygen/nitrogen transition region for barrier enhancement 失效
    电镀种子层包括用于屏障增强的氧/氮过渡区域

    公开(公告)号:US07215006B2

    公开(公告)日:2007-05-08

    申请号:US11245540

    申请日:2005-10-07

    IPC分类号: H01L23/58

    摘要: An interconnect structure which includes a plating seed layer that has enhanced conductive material, preferably, Cu, diffusion properties is provided that eliminates the need for utilizing separate diffusion and seed layers. Specifically, the present invention provides an oxygen/nitrogen transition region within a plating seed layer for interconnect metal diffusion enhancement. The plating seed layer may include Ru, Ir or alloys thereof, and the interconnect conductive material may include Cu, Al, AlCu, W, Ag, Au and the like. Preferably, the interconnect conductive material is Cu or AlCu. In more specific terms, the present invention provides a single seeding layer which includes an oxygen/nitrogen transition region sandwiched between top and bottom seed regions. The presence of the oxygen/nitrogen transition region within the plating seed layer dramatically enhances the diffusion barrier resistance of the plating seed.

    摘要翻译: 提供一种互连结构,其包括具有增强的导电材料,优选Cu扩散性质的电镀种子层,其不需要使用单独的扩散和种子层。 具体地说,本发明提供了用于互连金属扩散增强的电镀种子层内的氧/氮过渡区域。 电镀种子层可以包括Ru,Ir或其合金,并且互连导电材料可以包括Cu,Al,AlCu,W,Ag,Au等。 优选地,互连导电材料是Cu或AlCu。 在更具体的术语中,本发明提供了单个接种层,其包括夹在顶部和底部种子区域之间的氧/氮过渡区域。 电镀种子层内的氧/氮过渡区的存在显着提高了电镀种子的扩散阻挡性。

    INTERCONNECT STRUCTURE AND METHOD OF MAKING SAME
    10.
    发明申请
    INTERCONNECT STRUCTURE AND METHOD OF MAKING SAME 有权
    互连结构及其制作方法

    公开(公告)号:US20090152723A1

    公开(公告)日:2009-06-18

    申请号:US11954812

    申请日:2007-12-12

    IPC分类号: H01L23/532 H01L21/4763

    摘要: An interconnect structure and method of fabricating the same is provided. More specifically, the interconnect structure is a defect free capped interconnect structure. The structure includes a conductive material formed in a trench of a planarized dielectric layer which is devoid of cap material. The structure further includes the cap material formed on the conductive material to prevent migration. The method of forming a structure includes selectively depositing a sacrificial material over a dielectric material and providing a metal capping layer over a conductive layer within a trench of the dielectric material. The method further includes removing the sacrificial material with any unwanted deposited or nucleated metal capping layer thereon.

    摘要翻译: 提供了互连结构及其制造方法。 更具体地,互连结构是无缺陷的封装互连结构。 该结构包括形成在没有帽材料的平坦化介电层的沟槽中的导电材料。 该结构还包括形成在导电材料上以防止迁移的盖材料。 形成结构的方法包括在电介质材料上选择性地沉积牺牲材料,并在介电材料的沟槽内的导电层上提供金属覆盖层。 该方法还包括用其上的任何不需要的沉积或有核的金属覆盖层去除牺牲材料。