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    • 2. 发明申请
    • STRESS ENHANCED TRANSISTOR
    • 应力增强晶体管
    • US20100096698A1
    • 2010-04-22
    • US12644882
    • 2009-12-22
    • Igor PeidousRohit Pal
    • Igor PeidousRohit Pal
    • H01L29/78H01L29/06
    • H01L29/78687H01L29/66553H01L29/66621H01L29/66628H01L29/66772H01L29/7848
    • Stress enhanced MOS transistors are provided. A semiconductor device is provided that comprises a semiconductor-on-insulator structure, a gate insulator layer, a source region, a drain region and a conductive gate overlying the gate insulator layer. The semiconductor-on-insulator structure comprises: a substrate, a semiconductor layer, and an insulating layer disposed between the substrate and the semiconductor layer. The semiconductor layer has a first surface, a second surface and a first region. The gate insulator layer overlies the first region, the conductive gate overlies the gate insulator layer, and the source region and the drain region overlie the first surface and comprise a strain-inducing epitaxial layer
    • 提供了应力增强型MOS晶体管。 提供一种半导体器件,其包括绝缘体上半导体结构,栅极绝缘体层,源极区域,漏极区域和覆盖栅极绝缘体层的导电栅极。 绝缘体上半导体结构包括:衬底,半导体层和设置在衬底和半导体层之间的绝缘层。 半导体层具有第一表面,第二表面和第一区域。 栅极绝缘体层覆盖第一区域,导电栅极覆盖栅极绝缘体层,源区域和漏极区域覆盖在第一表面上,并且包括应变诱导外延层
    • 3. 发明授权
    • Stress enhanced MOS transistor and methods for its fabrication
    • 应力增强型MOS晶体管及其制造方法
    • US07534689B2
    • 2009-05-19
    • US11562209
    • 2006-11-21
    • Rohit PalIgor PeidousDavid Brown
    • Rohit PalIgor PeidousDavid Brown
    • H01L21/20
    • H01L29/7848H01L21/02532H01L21/02639H01L21/823807H01L21/823814H01L29/045H01L29/165H01L29/66636
    • A stress enhanced MOS transistor and methods for its fabrication are provided. In one embodiment the method comprises forming a gate electrode overlying and defining a channel region in a monocrystalline semiconductor substrate. A trench having a side surface facing the channel region is etched into the monocrystalline semiconductor substrate adjacent the channel region. The trench is filled with a second monocrystalline semiconductor material having a first concentration of a substitutional atom and with a third monocrystalline semiconductor material having a second concentration of the substitutional atom. The second monocrystalline semiconductor material is epitaxially grown to have a wall thickness along the side surface sufficient to exert a greater stress on the channel region than the stress that would be exerted by a monocrystalline semiconductor material having the second concentration if the trench was filled by the third monocrystalline material alone.
    • 提供了一种应力增强型MOS晶体管及其制造方法。 在一个实施例中,该方法包括形成覆盖并限定单晶半导体衬底中的沟道区的栅电极。 具有面向通道区域的侧表面的沟槽被蚀刻到与沟道区域相邻的单晶半导体衬底中。 沟槽填充有具有第一浓度的取代原子的第二单晶半导体材料和具有第二浓度取代原子的第三单晶半导体材料。 第二单晶半导体材料被外延生长以具有沿着侧表面的壁厚,足以在沟道区域施加比由具有第二浓度的单晶半导体材料施加的应力更大的应力,如果沟槽由 第三单晶材料。
    • 6. 发明申请
    • Methods for fabricating a stressed MOS device
    • 制造应力MOS器件的方法
    • US20070032024A1
    • 2007-02-08
    • US11197046
    • 2005-08-03
    • Igor PeidousMario Pelella
    • Igor PeidousMario Pelella
    • H01L21/336
    • H01L29/66628H01L29/66636H01L29/7843H01L29/7848Y10S438/938
    • A method for fabricating a stressed MOS device in and on a semiconductor substrate is provided. The method comprises the steps of forming a gate electrode overlying the semiconductor substrate and etching a first trench and a second trench in the semiconductor substrate, the first trench and the second trench formed in alignment with the gate electrode. A stress inducing material is selectively grown in the first trench and in the second trench and conductivity determining impurity ions are implanted into the stress inducing material to form a source region in the first trench and a drain region in the second trench. To preserve the stress induced in the substrate, a layer of mechanically hard material is deposited on the stress inducing material after the step of ion implanting.
    • 提供了一种在半导体衬底中及其上制造应力MOS器件的方法。 该方法包括以下步骤:形成覆盖半导体衬底并蚀刻半导体衬底中的第一沟槽和第二沟槽的栅电极,第一沟槽和第二沟槽与栅电极对准形成。 在第一沟槽和第二沟槽中选择性地生长应力诱导材料,并且将导电性确定杂质离子注入到应力诱导材料中,以在第一沟槽中形成源区,在第二沟中形成漏极区。 为了保持在衬底中引起的应力,在离子注入步骤之后,将一层机械硬质材料沉积在应力诱导材料上。
    • 9. 发明申请
    • METHODS FOR FABRICATING SEMICONDUCTOR SUBSTRATES WITH SILICON REGIONS HAVING DIFFERENTIAL CRYSTALLOGRAPHIC ORIENTATIONS
    • 用于制造具有差异晶体取向的硅区域的半导体衬底的方法
    • US20080242014A1
    • 2008-10-02
    • US11693890
    • 2007-03-30
    • Igor PEIDOUS
    • Igor PEIDOUS
    • H01L21/8238
    • H01L21/823807H01L21/76251H01L21/823878H01L21/84
    • A method is provided for fabricating a differential semiconductor substrate. A first structure is provided which comprises a first semiconductor substrate including a first semiconductor region, and a first oxide layer overlying a surface of the first semiconductor substrate. The first semiconductor substrate has a first crystallographic orientation. A second structure is provided which includes a second semiconductor substrate comprising a first layer and a second layer, and a second oxide layer which overlies a surface of the first layer. The second semiconductor substrate has a second crystallographic orientation different than the first crystallographic orientation. The first layer includes a second semiconductor region. The first layer and the second oxide layer are removed from the second structure, and assembled to the first semiconductor substrate to form a composite structure. A bonded composite structure is then formed by exposing the composite structure to a temperature adequate to cause bonding of the first oxide layer and the second oxide layer. Portions of the bonded composite structure are removed to expose the first semiconductor region and the second semiconductor region and thereby form the differential semiconductor substrate.
    • 提供了一种用于制造差分半导体衬底的方法。 提供了第一结构,其包括包括第一半导体区域的第一半导体衬底和覆盖在第一半导体衬底的表面上的第一氧化物层。 第一半导体衬底具有第一晶体取向。 提供了第二结构,其包括包括第一层和第二层的第二半导体衬底和覆盖在第一层的表面上的第二氧化物层。 第二半导体衬底具有不同于第一晶体取向的第二晶体取向。 第一层包括第二半导体区域。 从第二结构移除第一层和第二氧化物层,并组装到第一半导体衬底以形成复合结构。 然后通过将复合结构暴露于足以引起第一氧化物层和第二氧化物层的结合的温度来形成粘结复合结构。 去除粘合复合结构的部分以露出第一半导体区域和第二半导体区域,从而形成差分半导体衬底。
    • 10. 发明申请
    • STRESS ENHANCED MOS TRANSISTOR AND METHODS FOR ITS FABRICATION
    • 应力增强MOS晶体管及其制造方法
    • US20080119031A1
    • 2008-05-22
    • US11562209
    • 2006-11-21
    • Rohit PalIgor PeidousDavid Brown
    • Rohit PalIgor PeidousDavid Brown
    • H01L21/20H01L21/36H01L31/20
    • H01L29/7848H01L21/02532H01L21/02639H01L21/823807H01L21/823814H01L29/045H01L29/165H01L29/66636
    • A stress enhanced MOS transistor and methods for its fabrication are provided. In one embodiment the method comprises forming a gate electrode overlying and defining a channel region in a monocrystalline semiconductor substrate. A trench having a side surface facing the channel region is etched into the monocrystalline semiconductor substrate adjacent the channel region. The trench is filled with a second monocrystalline semiconductor material having a first concentration of a substitutional atom and with a third monocrystalline semiconductor material having a second concentration of the substitutional atom. The second monocrystalline semiconductor material is epitaxially grown to have a wall thickness along the side surface sufficient to exert a greater stress on the channel region than the stress that would be exerted by a monocrystalline semiconductor material having the second concentration if the trench was filled by the third monocrystalline material alone.
    • 提供了一种应力增强型MOS晶体管及其制造方法。 在一个实施例中,该方法包括形成覆盖并限定单晶半导体衬底中的沟道区的栅电极。 具有面向通道区域的侧表面的沟槽被蚀刻到与沟道区域相邻的单晶半导体衬底中。 沟槽填充有具有第一浓度的取代原子的第二单晶半导体材料和具有第二浓度取代原子的第三单晶半导体材料。 第二单晶半导体材料被外延生长以具有沿着侧表面的壁厚,足以在沟道区域施加比由具有第二浓度的单晶半导体材料施加的应力更大的应力,如果沟槽由 第三单晶材料。