Manufacturing method for semiconductor device having polymetal gate electrode
    10.
    发明专利
    Manufacturing method for semiconductor device having polymetal gate electrode 有权
    具有聚合物电极的半导体器件的制造方法

    公开(公告)号:JP2013102219A

    公开(公告)日:2013-05-23

    申请号:JP2013018318

    申请日:2013-02-01

    摘要: PROBLEM TO BE SOLVED: To provide a semiconductor device having a polymetal gate electrode comprising a barrier film formed from a TiN film and a buffer layer, and to provide a manufacturing method for the semiconductor device.SOLUTION: A semiconductor device comprises: a gate insulating film formed on a semiconductor substrate; and a polymetal gate electrode including a conductive polysilicon film, a first metal silicide film, a barrier film, and a metal film which are laminated on the gate insulating film in order from the semiconductor substrate side. The barrier film comprises: a TiN film formed on the first metal silicide film; and a buffer layer provided between the TiN film and the metal film.

    摘要翻译: 解决的问题:提供一种半导体器件,其具有包括由TiN膜和缓冲层形成的阻挡膜的多金属栅电极,并提供半导体器件的制造方法。 解决方案:半导体器件包括:形成在半导体衬底上的栅绝缘膜; 以及包含导电多晶硅膜,第一金属硅化物膜,阻挡膜和金属膜的多金属栅极电极,其从半导体衬底侧开始依次层压在栅极绝缘膜上。 阻挡膜包括:形成在第一金属硅化物膜上的TiN膜; 以及设置在TiN膜和金属膜之间的缓冲层。 版权所有(C)2013,JPO&INPIT