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    • 48. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2007019177A
    • 2007-01-25
    • JP2005197835
    • 2005-07-06
    • Toshiba Corp株式会社東芝
    • ONO TAMASHIRO
    • H01L29/78H01L29/786
    • H01L29/47H01L21/32115H01L29/42368H01L29/495H01L29/513H01L29/515H01L29/517H01L29/66545H01L29/66643H01L29/7839
    • PROBLEM TO BE SOLVED: To provide a Schottky MOSFET which controls the fluctuation of current driving force.
      SOLUTION: A semiconductor device comprises one pair of source and drain regions consisting of metal or metal silicide, formed face to face on a semiconductor layer and on the semiconductor substrate; a first insulating film formed at least on the semiconductor layer between the source region and the drain region; a second insulating film formed on the first insulating film whose dielectric constant is higher than that of the first insulating film; and a gate electrode formed on the second insulating film. The length of the second insulating film measured in the opposite direction of the source region and the drain region is shorter than the length of the gate electrode measured in the opposite direction of the source region and the drain region.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种控制电流驱动力波动的肖特基MOSFET。 解决方案:半导体器件包括一对由金属或金属硅化物组成的源极和漏极区域,在半导体层上和半导体衬底上面对面地形成; 至少形成在所述源极区域和所述漏极区域之间的所述半导体层上的第一绝缘膜; 形成在第一绝缘膜上的第二绝缘膜,其介电常数高于第一绝缘膜的介电常数; 以及形成在所述第二绝缘膜上的栅电极。 在源极区域和漏极区域的相反方向上测量的第二绝缘膜的长度短于在源极区域和漏极区域的相反方向上测量的栅极电极的长度。 版权所有(C)2007,JPO&INPIT