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    • 5. 发明授权
    • Method for selective deposition of a semiconductor material
    • 选择性沉积半导体材料的方法
    • US08709918B2
    • 2014-04-29
    • US13351344
    • 2012-01-17
    • Benjamin VincentRoger LooMatty Caymax
    • Benjamin VincentRoger LooMatty Caymax
    • H01L21/20
    • H01L21/0237H01L21/02532H01L21/02535H01L21/02573H01L21/0262H01L21/02636
    • A method for selective deposition of semiconductor materials in semiconductor processing is disclosed. In some embodiments, the method includes providing a patterned substrate comprising a first region and a second region, where the first region comprises an exposed first semiconductor material and the second region comprise an exposed insulator material. The method further includes selectively providing a film of the second semiconductor material on the first semiconductor material of the first region by providing a precursor of a second semiconductor material, a carrier gas that is not reactive with chlorine compounds, and tin-tetrachloride (SnCl4). The tin-tetrachloride inhibits the deposition of the second semiconductor material on the insulator material of the second region.
    • 公开了一种在半导体处理中选择性沉积半导体材料的方法。 在一些实施例中,该方法包括提供包括第一区域和第二区域的图案化衬底,其中第一区域包括暴露的第一半导体材料,第二区域包括暴露的绝缘体材料。 该方法还包括通过提供第二半导体材料的前体,与氯化合物不反应的载气和四氯化锡(SnCl 4),选择性地在第一区域的第一半导体材料上提供第二半导体材料的膜, 。 四氯化锡抑制第二半导体材料沉积在第二区域的绝缘体材料上。
    • 6. 发明申请
    • MANUFACTURING METHOD FOR A SEMI-CONDUCTOR ON INSULATOR SUBSTRATE COMPRISING A LOCALISED Ge ENRICHED STEP
    • 一种半导体制造方法,该绝缘体基板包含一个本地化的加固步骤
    • US20090170295A1
    • 2009-07-02
    • US12340839
    • 2008-12-22
    • Benjamin VincentLaurent ClavelierJean-Francois Damlencourt
    • Benjamin VincentLaurent ClavelierJean-Francois Damlencourt
    • H01L21/20
    • H01L21/32105H01L21/7624
    • The invention relates to a manufacturing method of a semi-conductor on insulator substrate from an SOI substrate comprising a surface layer of silicon on an electrically insulating layer, called buried insulating layer, wherein a layer of Si1-xGex is formed on the superficial layer of silicon.The method comprises the following steps: formation of a silicon oxide layer on the layer of Si1-xGex, formation of a silicon oxide layer on the layer of Si1-xGex, etching of the stack formed by the superficial layer of silicon, the layer of Si1-xGex and the silicon oxide layer, wherein the etching is carried out either up to the buried insulating layer to obtain an etched structure with at least one island of said stack, or up to the superficial layer of silicon to obtain an etched structure with at least one zone of silicon and at least one island of said stack, formation of a mask to protect against oxidation on the etched structure, wherein the protective mask only leaves visible the silicon oxide layer of the island, condensation of the germanium of the layer of Si1-xGex on the island to obtain an island comprising a layer that is enriched in germanium, or even a layer of germanium, on the buried insulating layer, with a silicon oxide layer on top of it.
    • 本发明涉及一种绝缘体上半导体衬底的制造方法,该SOI衬底包括在绝缘层上称为掩埋绝缘层的硅表面层,其中Si1-xGex层形成在表面层上 硅。 该方法包括以下步骤:在Si1-xGex层上形成氧化硅层,在Si1-xGex层上形成氧化硅层,蚀刻由硅表面层形成的叠层 Si1-xGex和氧化硅层,其中蚀刻直到埋入绝缘层进行,以获得具有至少一个所述堆叠的岛的蚀刻结构,或直到硅的表面层,以获得具有 硅的至少一个区域和所述堆叠的至少一个岛,形成掩模以防止在蚀刻结构上的氧化,其中所述保护掩模仅使所述岛的氧化硅层可见,所述层的锗的冷凝 的Si1-xGex,以在掩埋绝缘层上形成富含锗或甚至一层锗的层,其上面具有氧化硅层。