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    • 10. 发明申请
    • Method to obtain fully silicided poly gate
    • 获得完全硅化多孔的方法
    • US20070010062A1
    • 2007-01-11
    • US11176725
    • 2005-07-07
    • Freidoon MehardShafoeng YuJoe Tran
    • Freidoon MehardShafoeng YuJoe Tran
    • H01L21/336
    • H01L21/28097H01L29/4975H01L29/6656H01L29/6659
    • The present invention provides a method of fabricating a microelectronics device. In one aspect, the method comprises forming a spacer material 160 over gate electrodes 150 that are, in turn, located over a microelectronics substrate 110. The gate electrodes 150 have a doped region 170a located between them. A portion of the spacer material 160 is removed with a chemical/mechanical process using a slurry that is selective to a portion of the spacer material 160. The method further comprises etching a remaining portion of the spacer material 163, 165, 168 to form spacer sidewalls 163, 165, 168 on the gate electrodes 150. The etching exposes a surface of the gate electrodes 150 and leaves a portion of the spacer material 168 over the doped region 170a. Metal is then incorporated into the gate electrodes 150 to form silicided gate electrodes 150.
    • 本发明提供一种制造微电子器件的方法。 在一个方面,该方法包括在栅电极150上形成间隔物材料160,栅极150又位于微电子基板110上方。栅电极150具有位于它们之间的掺杂区域170a。 使用对间隔材料160的一部分有选择性的浆料,通过化学/机械方法去除间隔物材料160的一部分。该方法还包括蚀刻间隔物材料163,165,168的剩余部分以形成间隔物 栅极电极150上的侧壁163,165,168。蚀刻暴露栅电极150的表面,并将间隔材料168的一部分留在掺杂区域170a上。 然后将金属结合到栅电极150中以形成硅化栅电极150。