Structure and method for creating reliable deep via connections in a silicon carrier
    8.
    发明授权
    Structure and method for creating reliable deep via connections in a silicon carrier 有权
    用于在硅载体中创建可靠的深通孔连接的结构和方法

    公开(公告)号:US08080876B2

    公开(公告)日:2011-12-20

    申请号:US12147466

    申请日:2008-06-26

    IPC分类号: H01L23/538

    摘要: A process and structure for enabling the creation of reliable electrical through-via connections in a semiconductor substrate and a process for filling vias. Problems associated with under etch, over etch and flaring of deep Si RIE etched through-vias are mitigated, thereby vastly improving the integrity of the insulation and metallization layers used to convert the through-vias into highly conductive pathways across the Si wafer thickness. By using an insulating collar structure in the substrate in one case and by filling the via in accordance with the invention in another case, whole wafer yield of electrically conductive through vias is greatly enhanced.

    摘要翻译: 一种用于在半导体衬底中创建可靠的电通孔连接的工艺和结构以及用于填充过孔的工艺。 与深蚀刻Si RIE蚀刻通孔相切的蚀刻,过蚀刻和扩散相关的问题得到缓解,从而大大提高了用于将通孔转换成穿过Si晶片厚度的高导电通路的绝缘层和金属化层的完整性。 通过在一种情况下通过在衬底中使用绝缘套环结构,并且在另一种情况下通过填充根据本发明的通孔,大大增强了导电通孔的整个晶片产量。

    STRUCTURE AND METHOD FOR CREATING RELIABLE DEEP VIA CONNECTIONS IN A SILICON CARRIER
    9.
    发明申请
    STRUCTURE AND METHOD FOR CREATING RELIABLE DEEP VIA CONNECTIONS IN A SILICON CARRIER 有权
    通过硅载体连接创造可靠深度的结构和方法

    公开(公告)号:US20090039472A1

    公开(公告)日:2009-02-12

    申请号:US12147466

    申请日:2008-06-26

    IPC分类号: H01L23/538 H01L21/768

    摘要: A process and structure for enabling the creation of reliable electrical through-via connections in a semiconductor substrate and a process for filling vias. Problems associated with under etch, over etch and flaring of deep Si RIE etched through-vias are mitigated, thereby vastly improving the integrity of the insulation and metallization layers used to convert the through-vias into highly conductive pathways across the Si wafer thickness. By using an insulating collar structure in the substrate in one case and by filling the via in accordance with the invention in another case, whole wafer yield of electrically conductive through vias is greatly enhanced.

    摘要翻译: 一种用于在半导体衬底中创建可靠的电通孔连接的工艺和结构以及用于填充过孔的工艺。 与深蚀刻Si RIE蚀刻通孔相切的蚀刻,过蚀刻和扩散相关的问题得到缓解,从而大大提高了用于将通孔转换成穿过Si晶片厚度的高导电通路的绝缘层和金属化层的完整性。 通过在一种情况下通过在衬底中使用绝缘套环结构,并且在另一种情况下通过填充根据本发明的通孔,大大增强了导电通孔的整个晶片产量。