Methods for a gate replacement process
    3.
    发明授权
    Methods for a gate replacement process 有权
    门更换过程的方法

    公开(公告)号:US08367563B2

    公开(公告)日:2013-02-05

    申请号:US12575280

    申请日:2009-10-07

    IPC分类号: H01L21/3205

    摘要: A method for fabricating a semiconductor device is disclosed. In one embodiment, the method may include providing a substrate; forming a gate structure including a first dummy gate over the substrate; removing the first dummy gate from the gate structure to form a trench; forming an interfacial layer, high-k dielectric layer, and capping layer to partially fill in the trench; forming a second dummy gate over the capping layer, wherein the second dummy gate fills the trench; and replacing the second dummy gate with a metal gate. In one embodiment, the method may include providing a substrate; forming an interfacial layer over the substrate; forming a high-k dielectric layer over the interfacial layer; forming an etch stop layer over the high-k dielectric layer; forming a capping layer including a low thermal budget silicon over the etch stop layer; forming a dummy gate layer over the capping layer; forming a gate structure; and performing a gate replacement process.

    摘要翻译: 公开了一种制造半导体器件的方法。 在一个实施例中,该方法可以包括提供衬底; 在所述衬底上形成包括第一虚拟栅极的栅极结构; 从栅极结构去除第一伪栅极以形成沟槽; 形成界面层,高k电介质层和覆盖层以部分地填充在沟槽中; 在所述覆盖层上形成第二虚拟栅极,其中所述第二伪栅极填充所述沟槽; 并用金属栅极替换第二虚拟栅极。 在一个实施例中,该方法可以包括提供衬底; 在衬底上形成界面层; 在界面层上形成高k电介质层; 在所述高k电介质层上形成蚀刻停止层; 在所述蚀刻停止层上形成包括低热预算硅的覆盖层; 在覆盖层上形成虚拟栅极层; 形成栅极结构; 并进行门更换处理。

    METHODS FOR A GATE REPLACEMENT PROCESS
    4.
    发明申请
    METHODS FOR A GATE REPLACEMENT PROCESS 有权
    门更换过程的方法

    公开(公告)号:US20110081774A1

    公开(公告)日:2011-04-07

    申请号:US12575280

    申请日:2009-10-07

    IPC分类号: H01L21/28

    摘要: A method for fabricating a semiconductor device is disclosed. In one embodiment, the method may include providing a substrate; forming a gate structure including a first dummy gate over the substrate; removing the first dummy gate from the gate structure to form a trench; forming an interfacial layer, high-k dielectric layer, and capping layer to partially fill in the trench; forming a second dummy gate over the capping layer, wherein the second dummy gate fills the trench; and replacing the second dummy gate with a metal gate. In one embodiment, the method may include providing a substrate; forming an interfacial layer over the substrate; forming a high-k dielectric layer over the interfacial layer; forming an etch stop layer over the high-k dielectric layer; forming a capping layer including a low thermal budget silicon over the etch stop layer; forming a dummy gate layer over the capping layer; forming a gate structure; and performing a gate replacement process.

    摘要翻译: 公开了一种制造半导体器件的方法。 在一个实施例中,该方法可以包括提供衬底; 在所述衬底上形成包括第一虚拟栅极的栅极结构; 从栅极结构去除第一伪栅极以形成沟槽; 形成界面层,高k电介质层和覆盖层以部分地填充在沟槽中; 在所述覆盖层上形成第二虚拟栅极,其中所述第二伪栅极填充所述沟槽; 并用金属栅极替换第二虚拟栅极。 在一个实施例中,该方法可以包括提供衬底; 在衬底上形成界面层; 在界面层上形成高k电介质层; 在所述高k电介质层上形成蚀刻停止层; 在所述蚀刻停止层上形成包括低热预算硅的覆盖层; 在覆盖层上形成虚拟栅极层; 形成栅极结构; 并进行门更换处理。

    NOVEL METHOD FOR REMOVING DUMMY POLY IN A GATE LAST PROCESS
    6.
    发明申请
    NOVEL METHOD FOR REMOVING DUMMY POLY IN A GATE LAST PROCESS 有权
    用于在门过程中去除多余聚合物的新方法

    公开(公告)号:US20100124823A1

    公开(公告)日:2010-05-20

    申请号:US12275082

    申请日:2008-11-20

    IPC分类号: H01L21/302 H01L21/71

    摘要: A method is provided for fabricating a semiconductor device. The method includes removing a silicon material from a gate structure located on a substrate through a cycle including: etching the silicon material to remove a portion thereof, where the substrate is spun at a spin rate, applying a cleaning agent to the substrate, and drying the substrate; and repeating the cycle, where a subsequent cycle includes a subsequent spin rate for spinning the substrate during the etching and where the subsequent spin rate does not exceed the spin rate of the previous cycle.

    摘要翻译: 提供了制造半导体器件的方法。 该方法包括通过循环从位于衬底上的栅极结构去除硅材料,包括:蚀刻硅材料以除去其中的一部分,其中衬底以旋转速率纺丝,向衬底施加清洁剂,并干燥 基材; 并重复该循环,其中随后的循环包括用于在蚀刻期间旋转衬底的随后旋转速率,并且其中随后的旋转速率不超过先前循环的旋转速率。

    Method for removing dummy poly in a gate last process
    7.
    发明授权
    Method for removing dummy poly in a gate last process 有权
    在门最后一个过程中去除虚拟多边形的方法

    公开(公告)号:US08415254B2

    公开(公告)日:2013-04-09

    申请号:US12275082

    申请日:2008-11-20

    IPC分类号: H01L21/302

    摘要: A method is provided for fabricating a semiconductor device. The method includes removing a silicon material from a gate structure located on a substrate through a cycle including: etching the silicon material to remove a portion thereof, where the substrate is spun at a spin rate, applying a cleaning agent to the substrate, and drying the substrate; and repeating the cycle, where a subsequent cycle includes a subsequent spin rate for spinning the substrate during the etching and where the subsequent spin rate does not exceed the spin rate of the previous cycle.

    摘要翻译: 提供了制造半导体器件的方法。 该方法包括通过循环从位于衬底上的栅极结构去除硅材料,包括:蚀刻硅材料以除去其中的一部分,其中衬底以旋转速率纺丝,向衬底施加清洁剂,并干燥 基材; 并重复该循环,其中随后的循环包括用于在蚀刻期间旋转衬底的随后旋转速率,并且其中随后的旋转速率不超过先前循环的旋转速率。