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    • 10. 发明授权
    • Semiconductor component and method of manufacture
    • 半导体元件及制造方法
    • US07026211B1
    • 2006-04-11
    • US10795890
    • 2004-03-08
    • Rinji SuginoJoong S. JeonRobert B. Ogle, Jr.
    • Rinji SuginoJoong S. JeonRobert B. Ogle, Jr.
    • H01L21/336
    • H01L27/115H01L27/11521
    • A semiconductor component having smooth, void-free conductive layers and a method for manufacturing the semiconductor component. Surface features such as gate structures are formed on a semiconductor substrate. A layer of insulating material is formed on the gate structures and a layer of polysilicon is formed on the layer of insulating material. The layer of polysilicon is annealed in a hydrogen ambient to redistribute the silicon atoms of the polysilicon layer. Redistribution of the atoms fills voids that may be present in the layer of polysilicon and smoothes the surface of the layer of polysilicon. Another layer of polysilicon is formed over the annealed layer of polysilicon. This polysilicon layer is annealed in a hydrogen ambient to redistribute the silicon atoms and smooth the surface of the polysilicon layer, thereby forming a subsequently annealed polysilicon layer. Control gate structures are formed from the subsequently annealed polysilicon layer.
    • 具有光滑无空隙的导电层的半导体部件和半导体部件的制造方法。 诸如栅极结构的表面特征形成在半导体衬底上。 在栅极结构上形成绝缘材料层,在绝缘材料层上形成多晶硅层。 多晶硅层在氢环境中退火以重新分布多晶硅层的硅原子。 原子的再分布填充可能存在于多晶硅层中的空隙,并且平滑多晶硅层的表面。 在多晶硅的退火层上形成另一层多晶硅。 该多晶硅层在氢环境中退火以重新分配硅原子并平滑多晶硅层的表面,从而形成随后退火的多晶硅层。 控制栅结构由随后退火的多晶硅层形成。