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    • 3. 发明授权
    • Gate structure and method of forming the gate dielectric with mini-spacer
    • 用微型间隔物形成栅极电介质的栅结构和方法
    • US06867084B1
    • 2005-03-15
    • US10263541
    • 2002-10-03
    • Yuan-Hung ChiuMing-Huan TsaiFang-Cheng ChenHun-Jan Tao
    • Yuan-Hung ChiuMing-Huan TsaiFang-Cheng ChenHun-Jan Tao
    • H01L21/265H01L21/8238H01L29/78H01L29/80
    • H01L21/2652H01L29/517H01L29/518H01L29/78
    • A field effect transistor gate structure and a method of fabricating the gate structure with a high-k gate dielectric material and high-k spacer are described. A gate pattern or trench is first etched in a dummy organic or inorganic film deposited over a silicon substrate with source/drain regions. A high-k dielectric material liner is then deposited on all exposed surfaces. Excess poly-silicon gate conductor film is then deposited within and over the trench to provide adequate overburden. Poly-silicon is then planarized with chemical mechanical polishing or etch-back methods such that the high-k material film on top of the dummy film surface is removed during this step. In the final step, the dummy film is disposed off, leaving the final transistor gate structure with high-k gate dielectric and high-k spacer surrounding the gate conductor poly-silicon, with the entire gate structure fabricated to form an FET device on a silicon substrate.
    • 描述了场效应晶体管栅极结构和制造具有高k栅极介电材料和高k隔离物的栅极结构的方法。 首先在具有源极/漏极区域的硅衬底上沉积的虚拟有机或无机膜中蚀刻栅极图案或沟槽。 然后将高k电介质材料衬垫沉积在所有暴露的表面上。 然后将过多的多晶硅栅极导体膜沉积在沟槽内和沟槽上,以提供足够的覆盖层。 然后通过化学机械抛光或蚀刻方法对多晶硅进行平面化,使得在该步骤期间去除虚拟膜表面顶部的高k材料膜。 在最后的步骤中,将虚设薄膜放开,留下最终的晶体管栅极结构,其中高k栅极电介质和围绕栅极导体多晶硅的高k隔离层,整个栅极结构被制成以形成FET器件 硅衬底。
    • 7. 发明申请
    • Novel gate structure and method of forming the gate dielectric with mini-spacer
    • 具有微型间隔物形成栅极电介质的新型栅极结构和方法
    • US20050127459A1
    • 2005-06-16
    • US11048205
    • 2005-02-01
    • Yuan-Hung ChiuMing-Huan TsaiFang-Cheng ChenHun-Jan Tao
    • Yuan-Hung ChiuMing-Huan TsaiFang-Cheng ChenHun-Jan Tao
    • H01L21/265H01L21/8238H01L29/78H01L29/80
    • H01L21/2652H01L29/517H01L29/518H01L29/78
    • A field effect transistor gate structure and a method of fabricating the gate structure with a high-k gate dielectric material and high-k spacer are described. A gate pattern or trench is first etched in a dummy organic or inorganic film deposited over a silicon substrate with source/drain regions. A high-k dielectric material liner is then deposited on all exposed surfaces. Excess poly-silicon gate conductor film is then deposited within and over the trench to provide adequate overburden. Poly-silicon is then planarized with chemical mechanical polishing or etch-back methods such that the high-k material film on top of the dummy film surface is removed during this step. In the final step, the dummy film is disposed off, leaving the final transistor gate structure with high-k gate dielectric and high-k spacer surrounding the gate conductor poly-silicon, with the entire gate structure fabricated to form an FET device on a silicon substrate.
    • 描述了场效应晶体管栅极结构和制造具有高k栅极介电材料和高k隔离物的栅极结构的方法。 首先在具有源极/漏极区域的硅衬底上沉积的虚拟有机或无机膜中蚀刻栅极图案或沟槽。 然后将高k电介质材料衬垫沉积在所有暴露的表面上。 然后将过多的多晶硅栅极导体膜沉积在沟槽内和沟槽上,以提供足够的覆盖层。 然后通过化学机械抛光或蚀刻方法对多晶硅进行平面化,使得在该步骤期间去除虚拟膜表面顶部的高k材料膜。 在最后的步骤中,将虚设薄膜放开,留下最终的晶体管栅极结构,其中高k栅极电介质和围绕栅极导体多晶硅的高k隔离层,整个栅极结构被制成以形成FET器件 硅衬底。
    • 9. 发明授权
    • Photoresist intensive patterning and processing
    • 光刻胶强化图案和加工
    • US07078351B2
    • 2006-07-18
    • US10361875
    • 2003-02-10
    • Yuan-Hung ChiuMing-Huan TsaiHun-Jan TaoJeng-Horng Chen
    • Yuan-Hung ChiuMing-Huan TsaiHun-Jan TaoJeng-Horng Chen
    • H01L21/302
    • H01L21/0276H01L21/0332H01L21/30604H01L21/3081H01L21/31116H01L21/31144H01L21/3144H01L21/3145H01L21/76802
    • A layer of Anti Reflective Coating (ARC) is first deposited over the surface of a silicon based or oxide based semiconductor surface, a dual hardmask is deposited over the surface of the layer of ARC. A layer of soft mask material is next coated over the surface of the dual hardmask layer, the layer of soft mask material is exposed, creating a soft mask material mask. The upper layer of the dual hardmask layer is next patterned in accordance with the soft mask material mask, the soft mask material mask is removed from the surface. The lower layer of the hardmask layer is then patterned after which the layer of ARC is patterned, both layers are patterned in accordance with the patterned upper layer of the dual hardmask layer. The substrate is now patterned in accordance with the patterned upper and lower layer of the dual hardmask layer and the patterned layer of ARC. The patterned upper and lower layers of the hardmask layer and the patterned layer of ARC are removed from the surface of the silicon based or oxide based semiconductor surface.
    • 首先将抗反射涂层(ARC)沉积在硅基或氧化物基半导体表面的表面上,双重硬掩模沉积在ARC层的表面上。 然后将一层软掩模材料涂覆在双重硬掩模层的表面上,该软掩模材料层被暴露,形成柔软的掩模材料掩模。 根据软掩模材料掩模,双硬掩模层的上层接下来图案化,从表面去除软掩模材料掩模。 然后对硬掩模层的下层进行图案化,之后对ARC层进行构图,根据双重硬掩模层的图案化上层对两层进行图案化。 衬底现在根据双重硬掩模层的图案化的上下层和ARC的图案化层进行图案化。 从硅基或氧化物基半导体表面的表面去除硬掩模层的图案化的上层和下层以及ARC的图案化层。