CUT FIRST ALTERNATIVE FOR 2D SELF-ALIGNED VIA
    1.
    发明申请
    CUT FIRST ALTERNATIVE FOR 2D SELF-ALIGNED VIA 有权
    切割用于2D自对准的第一替代品

    公开(公告)号:US20160322298A1

    公开(公告)日:2016-11-03

    申请号:US15207652

    申请日:2016-07-12

    Abstract: A method of lithographically cutting a Mx line before the Mx line is lithographically defined by patterning and the resulting 2DSAV device are provided. Embodiments include forming an a-Si dummy metal layer over a SiO2 layer; forming a first softmask stack over the a-Si dummy metal layer; patterning a plurality of vias through the first softmask stack down to the SiO2 layer; removing the first soft mask stack; forming first and second etch stop layers over the a-Si dummy metal layer, the first etch stop layer formed in the plurality of vias; forming a-Si mandrels on the second etch stop layer; forming oxide spacers on opposite sides of each a-Si mandrel; removing the a-Si mandrels; forming a-Si dummy metal lines in the a-Si dummy metal layer below the oxide spacers; and forming a SiOC layer between the a-Si dummy metal lines.

    Abstract translation: 在Mx线之前光刻地切割Mx线的方法通过图案化光刻定义,并且提供所得到的2DSAV器件。 实施例包括在SiO 2层上形成a-Si虚拟金属层; 在所述a-Si虚拟金属层上形成第一软掩模堆叠; 将通过第一软掩模堆叠的多个通孔图形化成SiO 2层; 移除第一软掩模层; 在a-Si虚拟金属层上形成第一和第二蚀刻停止层,形成在多个通孔中的第一蚀刻停止层; 在第二蚀刻停止层上形成a-Si心轴; 在每个a-Si心轴的相对侧上形成氧化物间隔物; 去除a-Si心轴; 在氧化物间隔物下面的a-Si虚拟金属层中形成a-Si虚拟金属线; 并在a-Si虚拟金属线之间形成SiOC层。

    FORMING SOURCE/DRAIN REGIONS WITH SINGLE RETICLE AND RESULTING DEVICE
    5.
    发明申请
    FORMING SOURCE/DRAIN REGIONS WITH SINGLE RETICLE AND RESULTING DEVICE 审中-公开
    形成来源/排水区域与单一和结果的设备

    公开(公告)号:US20150255353A1

    公开(公告)日:2015-09-10

    申请号:US14197267

    申请日:2014-03-05

    CPC classification number: H01L21/823814 H01L21/823821 H01L27/0924

    Abstract: Methods for forming FinFET source/drain regions with a single reticle and the resulting devices are disclosed. Embodiments may include forming a first fin and a second fin above a substrate, forming a gate crossing over the first fin and the second fin, removing portions of the first fin and the second fin on both sides the gate, forming silicon phosphorous tops on the first fin and the second fin in place of the portions, removing the silicon phosphorous tops on the first fin, and forming silicon germanium tops on the first fin in place of the silicon phosphorous tops.

    Abstract translation: 公开了用单个掩模版形成FinFET源极/漏极区域的方法以及所得到的器件。 实施例可以包括在衬底上形成第一鳍片和第二鳍片,形成跨越第一鳍片和第二鳍片的栅极,在栅极的两侧去除第一鳍片和第二鳍片的部分,在第二鳍片上形成硅磷顶部 第一鳍片和第二鳍片代替部分,去除第一鳍片上的磷磷顶部,并且在第一鳍片上形成硅锗顶部代替硅磷顶部。

    2D SELF-ALIGNED VIA FIRST PROCESS FLOW
    7.
    发明申请
    2D SELF-ALIGNED VIA FIRST PROCESS FLOW 审中-公开
    2D通过第一个工艺流程自动对准

    公开(公告)号:US20160329278A1

    公开(公告)日:2016-11-10

    申请号:US15134435

    申请日:2016-04-21

    Abstract: A method of forming 2D self-aligned vias before forming a subsequent metal layer and reducing capacitance of the resulting device and the resulting device are provided. Embodiments include forming dummy metal lines in a SiOC layer and extending in a first direction; replacing the dummy metal lines with metal lines, each metal line having a nitride cap; forming a softmask stack over the nitride cap and the SiOC layer; patterning a plurality of vias through the softmask stack down to the metal lines, the plurality of vias self-aligned along a second direction; removing the softmask stack; forming second dummy metal lines over the metal lines and extending in the second direction; forming a second SiOC layer between the dummy second metal lines on the SiOC layer; and replacing the dummy second metal lines with second metal lines, the second metal lines electrically connected to the metal lines through a via.

    Abstract translation: 提供了在形成后续金属层之前形成2D自对准通孔并降低所得器件和所得器件的电容的方法。 实施例包括在SiOC层中形成虚拟金属线并沿第一方向延伸; 用金属线替代虚拟金属线,每条金属线都有氮化物盖; 在氮化物盖和SiOC层上形成软掩模堆叠; 通过所述软掩模堆叠将多个通孔图形化成金属线,所述多个通孔沿着第二方向自对准; 去除软掩码堆栈; 在金属线上形成第二虚拟金属线并在第二方向上延伸; 在SiOC层上的虚拟第二金属线之间形成第二SiOC层; 并且用第二金属线代替虚拟第二金属线,第二金属线通过通孔与金属线电连接。

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