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268 条记录 (耗时 0.032 秒)

    Interconnect structures with ternary patterned features generated from two lithographic processes
    32.
    发明授权
    Interconnect structures with ternary patterned features generated from two lithographic processes 有权
    互连结构与从两个光刻过程产生的三元图案特征

    公开(公告)号：US08338952B2

    公开(公告)日：2012-12-25

    申请号：US12538114

    申请日：2009-08-08

    申请人： Matthew E. Colburn ,  Elbert Huang ,  Satyanarayana V. Nitta ,  Sampath Purushothaman

    发明人： Matthew E. Colburn ,  Elbert Huang ,  Satyanarayana V. Nitta ,  Sampath Purushothaman

    IPC分类号： H01L21/70 ,  H01L23/48 ,  H01L23/52 ,  H01L29/40

    CPC分类号： H01L23/53238 ,  H01L21/76801 ,  H01L21/76808 ,  H01L21/76816 ,  H01L21/7682 ,  H01L23/5222 ,  H01L23/53295 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A method for fabricating an interconnect structure for interconnecting a semiconductor substrate to have three distinct patterned structures such that the interconnect structure provides both a low k and high structural integrity. The method includes depositing an interlayer dielectric onto the semiconductor substrate, forming a first pattern within the interlayer dielectric material by a first lithographic process that results in both via features and ternary features being formed in the interconnect structure. The method further includes forming a second pattern within the interlayer dielectric material by a second lithographic process to form line features within the interconnect structure. Hence the method forms the three separate distinct patterned structures using only two lithographic processes for each interconnect level.

    摘要翻译： 一种制造互连结构的方法，用于将半导体衬底互连以具有三个不同的图案化结构，使得互连结构既提供低k和高结构完整性。 该方法包括在半导体衬底上沉积层间电介质，通过第一光刻工艺在层间电介质材料内形成第一图案，该第一光刻工艺导致在互连结构中形成通孔特征和三元特征。 该方法还包括通过第二光刻工艺在层间电介质材料内形成第二图案以在互连结构内形成线特征。 因此，该方法仅对每个互连级别仅使用两个光刻工艺形成三个独立的不同图案结构。

    Method for fabricating a self-aligned nanocolumnar airbridge and structure produced thereby
    37.
    发明授权
    Method for fabricating a self-aligned nanocolumnar airbridge and structure produced thereby 失效
    制造自对准纳米柱状空中桥梁的方法及由此制造的结构

    公开(公告)号：US07037744B2

    公开(公告)日：2006-05-02

    申请号：US11150059

    申请日：2005-06-10

    申请人： Matthew E Colburn ,  Satyanarayana V Nitta ,  Sampath Purushothaman

    发明人： Matthew E Colburn ,  Satyanarayana V Nitta ,  Sampath Purushothaman

    IPC分类号： H01L21/00

    CPC分类号： H01L21/7682 ,  H01L23/5222 ,  H01L23/5329 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A method for fabricating a low k, ultra-low k, and extreme-low k multilayer interconnect structure on a substrate in which the interconnect line features are separated laterally by a dielectric with vertically oriented nano-scale voids formed by perforating it using sub-optical lithography patterning and etching techniques and closing off the tops of the perforations by a dielectric deposition step. The lines are supported either by solid or patterned dielectric features underneath. The method avoids the issues associated with the formation of air gaps after the fabrication of conductor patterns and those associated with the integration of conventional low k, ultra-low k and extreme low k dielectrics which have porosity present before the formation of the interconnect patterns.

    摘要翻译： 一种用于在衬底上制造低k，超低k和极低k多层互连结构的方法，其中互连线特征由具有垂直取向的纳米级空隙的电介质侧向分开， 光刻图案和蚀刻技术，并通过介电沉积步骤封闭穿孔的顶部。 线路由固体或图案化的电介质特征支撑。 该方法避免了在形成导体图案之后与形成气隙相关的问题，以及与形成互连图案之前具有孔隙率的常规低k，超低k和极低k电介质的集成相关联的问题。

    Interconnects containing first and second porous low-k dielectrics separated by a porous buried etch stop layer
    38.
    发明授权
    Interconnects containing first and second porous low-k dielectrics separated by a porous buried etch stop layer 有权
    互连件包含由多孔掩埋蚀刻停止层隔开的第一和第二多孔低k电介质

    公开(公告)号：US06831366B2

    公开(公告)日：2004-12-14

    申请号：US10396274

    申请日：2003-03-25

    申请人： Stephen McConnell Gates ,  Jeffrey Curtis Hedrick ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Cristy Sensenich Tyberg

    发明人： Stephen McConnell Gates ,  Jeffrey Curtis Hedrick ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Cristy Sensenich Tyberg

    IPC分类号： H01L2352

    CPC分类号： H01L21/76835 ,  H01L21/76811 ,  H01L23/5222 ,  H01L23/5329 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A low-k dielectric metal conductor interconnect structure having no micro-trenches present therein and a method of forming such a structure are provided. Specifically, the above structure is achieved by providing an interconnect structure which includes at least a multilayer of dielectric materials which are applied sequentially in a single spin apply tool and then cured in a single step and a plurality of patterned metal conductors within the multilayer of spun-on dielectrics. The control over the conductor resistance is obtained using a buried etch stop layer having a second atomic composition located between the line and via dielectric layers of porous low-k dielectrics having a first atomic composition. The inventive interconnect structure also includes a hard mask which assists in forming the interconnect structure of the dual damascene-type. The first and second composition are selected to obtain etch selectivity of at least 10 to 1 or higher, and are selected from specific groups of porous low-k organic or inorganic materials with specific atomic compositions and other discoverable quantities.

    摘要翻译： 提供了其中不存在微沟槽的低k电介质金属导体互连结构以及形成这种结构的方法。 具体地说，上述结构是通过提供一种互连结构来实现的，所述互连结构至少包括多层电介质材料，所述多层电介质材料依次应用于单个旋涂工具中，然后在单个步骤中固化，并且多个图案化的金属导体在多层纺丝 - 电介质。 使用具有位于具有第一原子组成的多孔低k电介质的线路和通孔电介质层之间的第二原子组成的掩埋蚀刻停止层来获得对导体电阻的控制。 本发明的互连结构还包括有助于形成双镶嵌型互连结构的硬掩模。 选择第一和第二组合物以获得至少10至1或更高的蚀刻选择性，并且选自具有特定原子组成和其它可发现量的多孔低k有机或无机材料的特定组。

    Hybrid low-k interconnect structure comprised of 2 spin-on dielectric materials
    40.
    发明授权
    Hybrid low-k interconnect structure comprised of 2 spin-on dielectric materials 有权
    混合低k互连结构由2个旋涂电介质材料组成

    公开(公告)号：US06677680B2

    公开(公告)日：2004-01-13

    申请号：US09795429

    申请日：2001-02-28

    申请人： Stephen McConnell Gates ,  Jeffrey Curtis Hedrick ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Cristy Sensenich Tyberg

    发明人： Stephen McConnell Gates ,  Jeffrey Curtis Hedrick ,  Satyanarayana V. Nitta ,  Sampath Purushothaman ,  Cristy Sensenich Tyberg

    IPC分类号： H01L2348

    CPC分类号： H01L21/76835 ,  H01L21/02118 ,  H01L21/02126 ,  H01L21/022 ,  H01L21/02203 ,  H01L21/02282 ,  H01L21/3124 ,  H01L21/76811

    摘要： A metal wiring plus low-k dielectric interconnect structure of the dual damascene-type is provided wherein the conductive metal lines and vias are built into a hybrid low-k dielectric which includes two spun-on dielectrics that have different atomic compositions and at least one of the two spun-on dielectrics is porous. The two spun-on dielectrics used in forming the inventive hybrid low-k dielectric each have a dielectric constant of about 2.6 or less, preferably each dielectric of the hybrid structure has a k of from about 1.2 to about 2.2. By utilizing the inventive hybrid low-k dielectric excellent control over metal line resistance (trench depth) is obtained, without no added cost. This is achieved without the use of a buried etch stop layer, which if present, would be formed between the two spun-on dielectrics. Moreover, the spun-on dielectrics of the hybrid low-k dielectric have distinctly different atomic compositions enabling control over the conductor resistance using the bottom spun-on dielectric (i.e., via dielectric) as an inherent etch stop layer for the upper spun-on dielectric (i.e., line dielectric).

    摘要翻译： 提供了一种双镶嵌型金属布线加上低k电介质互连结构，其中导电金属线和通孔内置于混合低k电介质中，该电介质包括两个具有不同原子组成的旋转电介质和至少一个 的两个旋转电介质是多孔的。 用于形成本发明的混合低k电介质的两个旋转电介质各自具有约2.6或更小的介电常数，优选混合结构的每个电介质具有约1.2至约2.2的k。 通过利用本发明的混合低k电介质，获得对金属线电阻（沟槽深度）的优异控制，而不增加成本。 这是在没有使用掩埋蚀刻停止层的情况下实现的，如果存在的话，它将在两个旋转电介质之间形成。 此外，混合低k电介质的旋转电介质具有明显不同的原子组成，使得能够使用底部纺丝电介质（即，通过电介质）控制导体电阻，作为用于上纺丝的固有蚀刻停止层 电介质（即线电介质）。