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    • 2. 发明授权
    • Interconnect structure and method for Cu/ultra low k integration
    • Cu /超低k集成的互连结构和方法
    • US08405215B2
    • 2013-03-26
    • US12906580
    • 2010-10-18
    • Chih-Chao YangConal E. Murray
    • Chih-Chao YangConal E. Murray
    • H01L23/52
    • H01L21/76808H01L21/76805H01L21/76814H01L21/76835H01L21/76843
    • A semiconductor structure is provided that includes a lower interconnect level including a first dielectric material having at least one conductive feature embedded therein; a dielectric capping layer located on the first dielectric material and some, but not all, portions of the at least one conductive feature; and an upper interconnect level including a second dielectric material having at least one conductively filled via and an overlying conductively filled line disposed therein, wherein the conductively filled via is in contact with an exposed surface of the at least one conductive feature of the first interconnect level by an anchoring area. Moreover, the conductively filled via and conductively filled line of the inventive structure are separated from the second dielectric material by a single continuous diffusion barrier layer. As such, the second dielectric material includes no damaged regions in areas adjacent to the conductively filled line. A method of forming such an interconnect structure is also provided.
    • 提供了一种半导体结构,其包括下互连级,其包括具有嵌入其中的至少一个导电特征的第一介电材料; 位于所述第一电介质材料上的电介质覆盖层以及所述至少一个导电特征的一些但不是全部的部分; 以及包括具有至少一个导电填充通孔的第二介电材料和布置在其中的上覆导电填充线的上部互连水平,其中所述导电填充的通孔与所述第一互连水平的所述至少一个导电特征的暴露表面接触 通过锚定区域。 此外,本发明结构的导电填充通孔和导电填充线通过单个连续扩散阻挡层与第二介电材料分离。 因此,第二电介质材料在与导电填充线相邻的区域中不包括受损区域。 还提供了一种形成这种互连结构的方法。
    • 3. 发明申请
    • INTERCONNECT STRUCTURE AND METHOD FOR Cu/ULTRA LOW k INTEGRATION
    • Cu / ULTRA低k积分的互连结构和方法
    • US20110031623A1
    • 2011-02-10
    • US12906580
    • 2010-10-18
    • Chih-Chao YangConal E. Murray
    • Chih-Chao YangConal E. Murray
    • H01L23/52
    • H01L21/76808H01L21/76805H01L21/76814H01L21/76835H01L21/76843
    • A semiconductor structure is provided that includes a lower interconnect level including a first dielectric material having at least one conductive feature embedded therein; a dielectric capping layer located on the first dielectric material and some, but not all, portions of the at least one conductive feature; and an upper interconnect level including a second dielectric material having at least one conductively filled via and an overlying conductively filled line disposed therein, wherein the conductively filled via is in contact with an exposed surface of the at least one conductive feature of the first interconnect level by an anchoring area. Moreover, the conductively filled via and conductively filled line of the inventive structure are separated from the second dielectric material by a single continuous diffusion barrier layer. As such, the second dielectric material includes no damaged regions in areas adjacent to the conductively filled line. A method of forming such an interconnect structure is also provided.
    • 提供了一种半导体结构,其包括下互连级,其包括具有嵌入其中的至少一个导电特征的第一介电材料; 位于所述第一电介质材料上的电介质覆盖层以及所述至少一个导电特征的一些但不是全部的部分; 以及包括具有至少一个导电填充通孔的第二介电材料和布置在其中的上覆导电填充线的上部互连水平,其中所述导电填充的通孔与所述第一互连水平的所述至少一个导电特征的暴露表面接触 通过锚定区域。 此外,本发明结构的导电填充通孔和导电填充线通过单个连续扩散阻挡层与第二介电材料分离。 因此,第二电介质材料在与导电填充线相邻的区域中不包括受损区域。 还提供了一种形成这种互连结构的方法。