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    • 9. 发明申请
    • TSVS Having Chemically Exposed TSV Tips for Integrated Circuit Devices
    • TSVS具有化学暴露的集成电路器件的TSV提示
    • US20110018107A1
    • 2011-01-27
    • US12899754
    • 2010-10-07
    • Thomas D. BonifieldBrian E. GoodlinMona M. Eissa
    • Thomas D. BonifieldBrian E. GoodlinMona M. Eissa
    • H01L23/48
    • H01L21/76898H01L23/481H01L2924/0002H01L2924/00
    • A method for fabricating ICs including via-first through substrate vias (TSVs) and ICs and electronic assemblies therefrom. A substrate having a substrate thickness including a top semiconductor surface and a bottom surface is provided including at least one embedded TSV including a dielectric liner and an electrically conductive filler material formed on the dielectric liner. A portion of the bottom surface of the substrate is mechanically removed to approach but not reach the embedded TSV tip. A protective substrate layer having a protective layer thickness remains over the tip of the embedded TSV after the mechanical removing. Chemical etching exclusive of mechanical etching for removing the protective substrate layer is used form an integral TSV tip that has an exposed tip portion that generally protrudes from the bottom surface of the substrate. The chemical etching is generally a three step chemical etch.
    • 一种用于制造IC的方法,包括从第一至第
      一通孔(TSV)和IC及其电子组件。 提供具有包括顶部半导体表面和底部表面的衬底厚度的衬底,其包括至少一个嵌入式TSV,其包括形成在电介质衬垫上的介电衬垫和导电填充材料。 基板的底表面的一部分被机械地移除以接近但不到达嵌入的TSV尖端。 在机械去除之后,具有保护层厚度的保护基层保留在嵌入TSV的尖端上。 用于去除保护基底层的机械蚀刻除外的化学蚀刻用于形成整体的TSV尖端,其具有通常从基底的底表面突出的暴露尖端部分。 化学蚀刻通常是三步化学蚀刻。
    • 10. 发明申请
    • TSVS HAVING CHEMICALLY EXPOSED TSV TIPS FOR INTEGRATED CIRCUIT DEVICES
    • 具有化学电路设备的化学物理TSV
    • US20090278238A1
    • 2009-11-12
    • US12463282
    • 2009-05-08
    • THOMAS D. BONIFIELDBRIAN E. GOODLINMONA M. EISSA
    • THOMAS D. BONIFIELDBRIAN E. GOODLINMONA M. EISSA
    • H01L23/52H01L21/306H01L21/304
    • H01L21/76898H01L23/481H01L2924/0002H01L2924/00
    • A method for fabricating ICs including via-first through substrate vias (TSVs) and ICs and electronic assemblies therefrom. A substrate having a substrate thickness including a top semiconductor surface and a bottom surface is provided including at least one embedded TSV including a dielectric liner and an electrically conductive filler material formed on the dielectric liner. A portion of the bottom surface of the substrate is mechanically removed to approach but not reach the embedded TSV tip. A protective substrate layer having a protective layer thickness remains over the tip of the embedded TSV after the mechanical removing. Chemical etching exclusive of mechanical etching for removing the protective substrate layer is used form an integral TSV tip that has an exposed tip portion that generally protrudes from the bottom surface of the substrate. The chemical etching is generally a three step chemical etch.
    • 一种用于制造IC的方法,包括从第一至第
      一通孔(TSV)和IC及其电子组件。 提供具有包括顶部半导体表面和底部表面的衬底厚度的衬底,其包括至少一个嵌入式TSV,其包括形成在电介质衬垫上的介电衬垫和导电填充材料。 基板的底表面的一部分被机械地移除以接近但不到达嵌入的TSV尖端。 在机械去除之后,具有保护层厚度的保护基层保留在嵌入TSV的尖端上。 用于去除保护基底层的机械蚀刻除外的化学蚀刻用于形成整体的TSV尖端,其具有通常从基底的底表面突出的暴露尖端部分。 化学蚀刻通常是三步化学蚀刻。