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    • 9. 发明专利
    • Semiconductor device and method for manufacturing the same
    • 半导体器件及其制造方法
    • JP2007081249A
    • 2007-03-29
    • JP2005269220
    • 2005-09-15
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • SATO YOSHIHIROKUDO CHIAKI
    • H01L21/8234H01L21/28H01L21/336H01L27/088H01L29/41H01L29/423H01L29/49H01L29/78
    • H01L21/823456H01L21/28097H01L21/823443H01L21/823835H01L21/82385H01L29/66545H01L29/6659H01L29/7833
    • PROBLEM TO BE SOLVED: To prevent a non-reaction polysilicon region or a region where the composition of a silicide is locally different from being generated in a gate electrode due to pattern dependency such as a gate length or a gate region when integrating the gate electrode of a transistor into a full silicide. SOLUTION: A semiconductor device is provided with a first N type MIS transistor 51 successively formed in a first region A of a semiconductor substrate 100, and having a first gate insulating film 104A and a first gate electrode 115A integrated into the full silicide and a second N type MIS transistor 52 successively formed in a second region B of the semiconductor substrate 100, and having a second gate insulating film 104B and a second gate electrode 115B integrated into the full silicide. The gate length of the second gate electrode 115B is made larger than the gate length of the first gate electrode 115A, and the thickness of the central part of the gate length direction in the second gate electrode 115B is made smaller than that of the first gate electrode 115A. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了防止由于栅极长度或栅极区域的图案依赖性而导致的非反应多晶硅区域或硅化物的组成在栅极中产生局部不同的区域,当积分 晶体管的栅电极成全硅化物。 解决方案:半导体器件设置有连续形成在半导体衬底100的第一区域A中的第一N型MIS晶体管51,并且具有集成到完全硅化物中的第一栅极绝缘膜104A和第一栅电极115A 以及依次形成在半导体衬底100的第二区域B中的第二N型MIS晶体管52,并且具有集成到全部硅化物中的第二栅极绝缘膜104B和第二栅电极115B。 使第二栅电极115B的栅极长度大于第一栅电极115A的栅极长度,并且使第二栅电极115B中的栅极长度方向的中心部分的厚度比第一栅极115A的栅极长度的栅极长度小 电极115A。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Semiconductor device and its fabrication process
    • 半导体器件及其制造工艺
    • JP2006140319A
    • 2006-06-01
    • JP2004328673
    • 2004-11-12
    • Toshiba Corp株式会社東芝
    • SAITO TOMOHIRO
    • H01L21/8234H01L21/28H01L27/08H01L27/088H01L29/423H01L29/49H01L29/786
    • H01L21/823443H01L21/82345
    • PROBLEM TO BE SOLVED: To provide a fabrication process of a semiconductor device in which a highly reliable full silicide MOSFET and a silicide MOSFET can be formed on the same substrate easily as compared with prior art.
      SOLUTION: The fabrication process of a semiconductor device comprises steps for forming a gate insulating film 30 on a semiconductor substrate 10, for forming a first gate electrode 40 and a second gate electrode 42 on the gate insulating film, for depositing a mask material 90 on the first gate electrode and the second gate electrode, for patterning the mask material to expose the upper surface of the first gate electrode while covering the second gate electrode, for etching the upper part of the first gate electrode by utilizing the mask material, for removing the mask material, for depositing a metal film 100 on the first gate electrode and the second gate electrode, and for silicificating the entire first gate electrode and the upper part of the second gate electrode.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:与现有技术相比,提供可以在同一基板上容易地形成高可靠性全硅化物MOSFET和硅化物MOSFET的半导体器件的制造工艺。 解决方案:半导体器件的制造工艺包括在半导体衬底10上形成栅极绝缘膜30的步骤,用于在栅极绝缘膜上形成第一栅电极40和第二栅电极42,用于沉积掩模 在第一栅电极和第二栅电极上的材料90,用于图案化掩模材料以暴露第一栅电极的上表面同时覆盖第二栅极,用于通过利用掩模材料蚀刻第一栅电极的上部 用于去除掩模材料,用于在第一栅电极和第二栅电极上沉积金属膜100,并且用于使第一栅电极和第二栅电极的上部整体硅化。 版权所有(C)2006,JPO&NCIPI