会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 20. 发明公开
    • 반도체 장치 및 그 제조 방법
    • 具有改善SiGe层粗糙度和Ge组分的增强控制性的半导体器件及其制造方法
    • KR1020040107427A
    • 2004-12-20
    • KR1020040043255
    • 2004-06-12
    • 샤프 가부시키가이샤
    • 무또우아끼요시
    • H01L29/78
    • H01L29/7378H01L21/02172H01L21/31658H01L21/823462H01L29/4234H01L29/517H01L29/7869
    • PURPOSE: A semiconductor device and a manufacturing method thereof are provided to improve the roughness of an SiGe layer in a gate electrode structure and to enhance simultaneously the controllability of Ge composition at an interface between the SiGe layer and a gate insulating layer by providing a desired double structure for the gate insulating layer. CONSTITUTION: A gate electrode with an SiGe layer(10) is formed on a substrate(2) via a gate insulating layer. The gate insulating layer is composed of a lower dielectric film(6) and an HfO2 film(8) on the lower dielectric film. The lower dielectric film is made of one selected from a group consisting of silicon oxide, silicon nitride or silicon oxynitride.
    • 目的:提供一种半导体器件及其制造方法,以提高栅极电极结构中的SiGe层的粗糙度,并通过提供期望的方式提高SiGe层和栅极绝缘层之间的界面处的Ge组分的同时控制性 栅极绝缘层的双重结构。 构成:通过栅极绝缘层在基板(2)上形成具有SiGe层(10)的栅电极。 栅绝缘层由下电介质膜(6)和下电介质膜上的HfO 2膜(8)组成。 下介电膜由选自氧化硅,氮化硅或氮氧化硅的一种制成。