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    • 91. 发明授权
    • Methods of forming integrated circuit devices having stacked gate electrodes
    • 形成具有层叠栅电极的集成电路器件的方法
    • US07998810B2
    • 2011-08-16
    • US12424922
    • 2009-04-16
    • Byung-hee KimGil-heyun ChoiSang-woo LeeChang-won LeeJin-ho ParkEun-ji JungJeong-gil Lee
    • Byung-hee KimGil-heyun ChoiSang-woo LeeChang-won LeeJin-ho ParkEun-ji JungJeong-gil Lee
    • H01L21/336
    • H01L27/11521H01L21/28273H01L29/66545
    • A method of forming a gate electrode of a semiconductor device is provided, the method including: forming a plurality of stacked structures each comprising a tunnel dielectric layer, a first silicon layer for floating gates, an intergate dielectric layer, a second silicon layer for control gates, and a mask pattern, on a semiconductor substrate in the stated order; forming a first interlayer dielectric layer between the plurality of stacked structures so that a top surface of the mask pattern is exposed; selectively removing the mask pattern of which the top surface is exposed; forming a third silicon layer in an area from which the hard disk layer was removed, and forming a silicon layer comprising the third silicon layer and the second silicon layer; recessing the first interlayer dielectric layer so that an upper portion of the silicon layer protrudes over the he first interlayer dielectric layer; and forming a metal silicide layer on the upper portion of the silicon layer.
    • 提供一种形成半导体器件的栅电极的方法,所述方法包括:形成多个堆叠结构,每个堆叠结构包括隧道介电层,用于浮置栅极的第一硅层,栅极间介电层,用于控制的第二硅层 栅极和掩模图案,以所述顺序在半导体衬底上; 在所述多个堆叠结构之间形成第一层间电介质层,使得所述掩模图案的顶表面露出; 选择性地去除其顶表面暴露的掩模图案; 在去除所述硬盘层的区域中形成第三硅层,以及形成包含所述第三硅层和所述第二硅层的硅层; 使第一层间电介质层凹陷,使得硅层的上部突出在第一层间介电层上; 以及在所述硅层的上部形成金属硅化物层。
    • 96. 发明授权
    • Completely buried contact holes
    • 完全埋入接触孔
    • US5982039A
    • 1999-11-09
    • US48391
    • 1998-03-26
    • Woo-sang JungGil-heyun ChoiJi-soon ParkByeong-jun Kim
    • Woo-sang JungGil-heyun ChoiJi-soon ParkByeong-jun Kim
    • H01L23/522H01L21/28H01L21/768H01L23/485H01L23/532
    • H01L23/485H01L23/53223H01L2924/0002
    • A method for forming a completely buried contact hole and a semiconductor device having a completely buried contact hole in an interconnection structure is disclosed. The completely buried contact hole includes a first insulating layer of a first thermal conductivity having a contact hole formed therein. A region of material of a second thermal conductivity formed in the first insulating layer adjacent the location of the contact hole. The second thermal conductivity is greater than the first thermal conductivity such that the thermal conductivity of the region of material is greater than the thermal conductivity of the insulating layer. A metal is formed in the hole which completely buries the contact hole. The method includes forming in an insulator adjacent a contact hole a region of material of a higher thermal conductivity than the insulating layer, depositing a metal in the contact hole and heating the metal, the insulating layer and the region of material of a higher thermal conductivity to flow the metal into the contact hole so as to completely bury the contact hole.
    • 公开了一种用于形成完全埋入的接触孔的方法和在互连结构中具有完全埋入的接触孔的半导体器件。 完全埋入的接触孔包括具有形成在其中的接触孔的第一导热性的第一绝缘层。 形成在与接触孔的位置相邻的第一绝缘层中的第二导热材料的区域。 第二热导率大于第一热导率,使得材料区域的热导率大于绝缘层的热导率。 在孔中形成金属,完全埋入接触孔。 该方法包括在绝缘体中邻近形成绝缘层的导热系数较高的材料区域,在接触孔中沉积金属并加热金属,绝缘层和导热系数较高的材料区域 将金属流入接触孔,以完全埋入接触孔。