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    • 10. 发明公开
    • 티타늄 질화물을 티타늄 실리콘 질화물로 대체시킴에 의한 텅스텐 비저항의 저감
    • 用硝酸钛替代硝酸钛降低电阻率
    • KR1020140001160A
    • 2014-01-06
    • KR1020130073868
    • 2013-06-26
    • 어플라이드 머티어리얼스, 인코포레이티드
    • 간디코타,스리니바스리우,젠동레이,지안신자카라주,라즈쿠마
    • H01L29/78H01L21/336
    • H01L21/28273H01L21/28061H01L21/285H01L21/2855H01L21/28568H01L21/76889H01L27/10873H01L29/4941H01L29/66477H01L29/78
    • Provided are semiconductor devices, and methods and a device for forming the semiconductor devices. The semiconductor device comprises a substrate having source and drain areas; and a gate electrode stack on the substrate between the source and drain areas. The gate electrode stack comprises a conductive film layer on a gate dielectric layer; a refractory metal silicon nitride film layer on the conductive film layer; and a tungsten film layer on the refractory metal silicon nitride film layer. At one example, the method of the present invention comprises a step of positioning a substrate within a processing chamber and the substrate comprises source and drain areas, a gate dielectric layer between the source and drain areas, and a conductive film layer on the gate dielectric layer. The method also comprises a step of evaporating a refractory metal silicon nitride film on the conductive film layer and a step of evaporating a tungsten film layer on the refractory metal silicon nitride film. [Reference numerals] (250) Conductive film layer is formed on a substrate; (260) Refractory metal nitride film layer is formed on a conductive film layer; (270) Refractory metal silicon nitride film layer is formed on a refractory metal nitride film layer; (280) Tungsten layer is formed on a refractory metal silicon nitride film layer
    • 提供半导体器件,以及用于形成半导体器件的方法和器件。 半导体器件包括具有源区和漏区的衬底; 以及在源极和漏极区域之间的衬底上的栅电极堆叠。 栅极电极堆叠包括在栅极电介质层上的导电膜层; 导电膜层上的难熔金属氮化硅膜层; 和难熔金属氮化硅膜层上的钨膜层。 在一个实例中,本发明的方法包括将衬底定位在处理室内的步骤,并且衬底包括源极和漏极区域,源极和漏极区域之间的栅极介电层以及栅极电介质上的导电膜层 层。 该方法还包括在导电膜层上蒸发难熔金属氮化硅膜的步骤和蒸发难熔金属氮化硅膜上的钨膜层的步骤。 (附图标记)(250)在基板上形成导电膜层; (260)在导电膜层上形成耐火金属氮化物膜层; (270)耐火金属氮化硅膜层形成在难熔金属氮化物膜层上; (280)在难熔金属氮化硅膜层上形成钨层