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    • 2. 发明授权
    • Fabricating high-K/metal gate devices in a gate last process
    • 在最后一道工序中制造高K /金属栅极器件
    • US08222132B2
    • 2012-07-17
    • US12567227
    • 2009-09-25
    • Da-Yuan LeeJian-Hao ChenChi-Chun ChenMatt YehHsing-Jui Lee
    • Da-Yuan LeeJian-Hao ChenChi-Chun ChenMatt YehHsing-Jui Lee
    • H01L21/3205
    • H01L21/823814H01L21/823807H01L21/823842H01L21/823857H01L29/7848
    • The present disclosure provides a method that includes forming first and second gate structures over first and second regions, respectively, removing a first dummy gate and first dummy dielectric from the first gate structure thereby forming a first trench and removing a second dummy gate and second dummy dielectric from the second gate structure thereby forming a second trench, forming a gate layer to partially fill the first and second trenches, forming a material layer to fill the remainder of the first and second trenches, removing a portion of the material layer such that a remaining portion of the material layer protects a first portion of the gate layer located at a bottom portion of the first and second trenches, removing a second portion of the gate layer, removing the remaining portion of the material layer from the first and second trenches.
    • 本公开提供了一种方法,其包括分别在第一和第二区域上形成第一和第二栅极结构,从第一栅极结构去除第一伪栅极和第一虚设电介质,从而形成第一沟槽并且去除第二虚拟栅极和第二虚拟栅极 从第二栅极结构的电介质,从而形成第二沟槽,形成栅极层以部分地填充第一和第二沟槽,形成材料层以填充第一和第二沟槽的其余部分,去除材料层的一部分,使得 材料层的剩余部分保护位于第一和第二沟槽的底部的栅极层的第一部分,去除栅极层的第二部分,从第一和第二沟槽去除材料层的剩余部分。
    • 3. 发明申请
    • METHOD AND APPARATUS OF FORMING A GATE
    • 形成门的方法和装置
    • US20110193180A1
    • 2011-08-11
    • US12700901
    • 2010-02-05
    • Jian-Hao ChenDa-Yuan LeeKuang-Yuan Hsu
    • Jian-Hao ChenDa-Yuan LeeKuang-Yuan Hsu
    • H01L29/51H01L21/283
    • H01L21/28194H01L21/02148H01L21/02181H01L21/022H01L21/0228H01L29/495H01L29/4966H01L29/513H01L29/517H01L29/665
    • The present disclosure provides an apparatus that includes a semiconductor device. The semiconductor device includes a substrate. The semiconductor device also includes a first gate dielectric layer that is disposed over the substrate. The first gate dielectric layer includes a first material. The first gate dielectric layer has a first thickness that is less than a threshold thickness at which a portion of the first material of the first gate dielectric layer begins to crystallize. The semiconductor device also includes a second gate dielectric layer that is disposed over the first gate dielectric layer. The second gate dielectric layer includes a second material that is different from the first material. The second gate dielectric layer has a second thickness that is less than a threshold thickness at which a portion of the second material of the second gate dielectric layer begins to crystallize.
    • 本公开提供了一种包括半导体器件的装置。 半导体器件包括衬底。 半导体器件还包括设置在衬底上的第一栅极电介质层。 第一栅介质层包括第一材料。 第一栅极介电层具有小于第一栅极电介质层的第一材料的一部分开始结晶的阈值厚度的第一厚度。 半导体器件还包括设置在第一栅极介电层上的第二栅极电介质层。 第二栅极介电层包括与第一材料不同的第二材料。 第二栅极电介质层具有小于第二栅极电介质层的第二材料的一部分开始结晶的阈值厚度的第二厚度。