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    • 12. 发明申请
    • SEMICONDUCTOR DEVICE WITH MULTIPLE SEMICONDUCTOR LAYERS
    • 具有多个半导体层的半导体器件
    • US20060194384A1
    • 2006-08-31
    • US11382432
    • 2006-05-09
    • Suresh VenkatesanMark FoisyMichael MendicinoMarius Orlowski
    • Suresh VenkatesanMark FoisyMichael MendicinoMarius Orlowski
    • H01L21/8238
    • H01L21/84H01L21/823807H01L27/1203
    • A semiconductor device structure uses two semiconductor layers to separately optimize N and P channel transistor carrier mobility. The conduction characteristic for determining this is a combination of material type of the semiconductor, crystal plane, orientation, and strain. Hole mobility is improved in P channel transistors when the conduction characteristic is characterized by the semiconductor material being silicon germanium, the strain being compressive, the crystal plane being (100), and the orientation being . In the alternative, the crystal plane can be (111) and the orientation in such case is unimportant. The preferred substrate for N-type conduction is different from the preferred (or optimum) substrate for P-type conduction. The N channel transistors preferably have tensile strain, silicon semiconductor material, and a (100) plane. With the separate semiconductor layers, both the N and P channel transistors can be optimized for carrier mobility.
    • 半导体器件结构使用两个半导体层来分别优化N沟道晶体管和P沟道晶体管的迁移率。 用于确定的导电特性是半导体的材料类型,晶面,取向和应变的组合。 当导电特性的特征在于半导体材料为硅锗时,p型沟道晶体管的空穴迁移率得到改善,应变为压缩,晶面为(100),取向为100。 或者,晶面可以是(111),在这种情况下的取向是不重要的。 用于N型导电的优选衬底不同于用于P型导电的优选(或最佳)衬底。 N沟道晶体管优选具有拉伸应变,硅半导体材料和(100)平面。 通过分开的半导体层,N沟道晶体管和P沟道晶体管都可以优化载流子迁移率。
    • 13. 发明申请
    • Method of making a planar double-gated transistor
    • 制造平面双门控晶体管的方法
    • US20060172468A1
    • 2006-08-03
    • US11047448
    • 2005-01-31
    • Marius Orlowski
    • Marius Orlowski
    • H01L21/00H01L21/84H01L21/331H01L21/8222
    • H01L29/78696H01L29/42392H01L29/66628H01L29/78648
    • A silicon layer interposed between the top silicon nitride layer (SiN) and a silicon germanium layer (SiGe) which in turn is over a thick oxide (BOX) is selectively etched to leave a stack with a width that sets the gate length. A sidewall insulating layer is formed on the SiGe layer leaving the sidewall of the Si layer exposed. Silicon is epitaxially grown from the exposed silicon sidewall to form in-situ-doped silicon source/drain regions. The nitride layer is removed using the source/drain regions as a boundary for an upper gate location. The source/drain regions are coated with a dielectric. The SiGe layer is removed to provide a lower gate location. Both the upper and lower gate locations are filled with metal to form upper and lower gates for the transistor.
    • 插入在顶部氮化硅层(SiN)和再次在厚氧化物(BOX)之上的硅锗层(SiGe)之间的硅层被选择性地蚀刻以留下具有设定栅极长度的宽度的堆叠。 在SiGe层上形成侧壁绝缘层,离开Si层的侧壁露出。 硅从暴露的硅侧壁外延生长以形成原位掺杂的硅源/漏区。 使用源极/漏极区域作为上部栅极位置的边界去除氮化物层。 源极/漏极区域涂覆有电介质。 SiGe层被去除以提供较低的栅极位置。 上部和下部栅极位置都用金属填充,以形成晶体管的上部和下部栅极。
    • 18. 发明授权
    • Method of forming an inverted T shaped channel structure for an inverted T channel field effect transistor device
    • 形成用于反向T沟道场效应晶体管器件的反相T形沟道结构的方法
    • US08158484B2
    • 2012-04-17
    • US12679385
    • 2007-10-03
    • Marius OrlowskiAndreas Wild
    • Marius OrlowskiAndreas Wild
    • H01L21/331H01L21/8222
    • H01L29/7854H01L29/66795H01L29/78687
    • A method of forming an inverted T shaped channel structure having a vertical channel portion and a horizontal channel portion for an Inverted T channel Field Effect Transistor ITFET device comprises providing a semiconductor substrate, providing a first layer of a first semiconductor material over the semiconductor substrate, and providing a second layer of a second semiconductor material over the first layer. The first and the second semiconductor materials are selected such that the first semiconductor material has a rate of removal which is less than a rate of removal of the second semiconductor material. The method further comprises removing a portion of the first layer and a portion of the second layer selectively according to the different rates of removal so as to provide a lateral layer and the vertical channel portion of the inverted T shaped channel structure and removing a portion of the lateral layer so as to provide the horizontal channel portion of the inverted T shaped channel structure.
    • 一种形成具有用于反向T沟道场效应晶体管ITFET器件的垂直沟道部分和水平沟道部分的反向T形沟道结构的方法包括提供半导体衬底,在半导体衬底上提供第一半导体材料的第一层, 以及在所述第一层上提供第二半导体材料层。 选择第一和第二半导体材料,使得第一半导体材料具有小于除去第二半导体材料的速率的去除速率。 该方法还包括根据不同的去除速率选择性地去除第一层的一部分和第二层的一部分,以便提供倒置的T形沟道结构的横向层和垂直沟道部分,并且去除 横向层,以提供倒置的T形通道结构的水平通道部分。
    • 19. 发明授权
    • Method of sealing an air gap in a layer of a semiconductor structure and semiconductor structure
    • 密封半导体结构和半导体结构层中的气隙的方法
    • US08071459B2
    • 2011-12-06
    • US12936113
    • 2008-04-17
    • Greg BraeckelmannMarius OrlowskiAndreas Wild
    • Greg BraeckelmannMarius OrlowskiAndreas Wild
    • H01L21/00
    • H01L21/7682H01L21/76829H01L21/76834
    • A method of sealing an air gap in a layer of a semiconductor structure comprises providing a first layer of the semiconductor structure having at least one air gap for providing isolation between at least two conductive lines formed in the first layer. The at least one air gap extends into the first layer from a first surface of the first layer. The method further comprises forming a barrier layer of a barrier dielectric material over the first surface of the first layer and the at least one air gap. The barrier dielectric material is selected to have a dielectric constant less than 3.5 and to provide a barrier to prevent chemicals entering the at least one air gap. In another embodiment, the at least one air gap extends from a first surface of the first layer to at least a portion of side surfaces of the at least two conductive lines to expose at least a portion of the side surfaces, and a barrier layer of a barrier dielectric material is formed over the exposed portions of the side surfaces of each of the at least two conductive lines.
    • 密封半导体结构层中的气隙的方法包括提供具有至少一个气隙的半导体结构的第一层,用于在形成在第一层中的至少两个导电线之间提供隔离。 所述至少一个气隙从所述第一层的第一表面延伸到所述第一层中。 该方法还包括在第一层的第一表面和至少一个气隙上形成阻挡介电材料的阻挡层。 阻挡介电材料被选择为具有小于3.5的介电常数并且提供屏障以防止化学品进入至少一个气隙。 在另一个实施例中,至少一个空气间隙从第一层的第一表面延伸到至少两个导电线的侧表面的至少一部分以暴露至少一部分侧表面,并且阻挡层 在所述至少两根导电线中的每一个的侧表面的暴露部分上形成阻挡介电材料。
    • 20. 发明申请
    • METHOD OF FORMING AN INVERTED T SHAPED CHANNEL STRUCTURE FOR AN INVERTED T CHANNEL FIELD EFFECT TRANSISTOR DEVICE
    • 形成用于反相T通道场效应晶体管器件的反相T形通道结构的方法
    • US20100311213A1
    • 2010-12-09
    • US12679385
    • 2007-10-03
    • Marius OrlowskiAndreas Wild
    • Marius OrlowskiAndreas Wild
    • H01L21/336H01L21/302
    • H01L29/7854H01L29/66795H01L29/78687
    • A method of forming an inverted T shaped channel structure having a vertical channel portion and a horizontal channel portion for an Inverted T channel Field Effect Transistor ITFET device comprises providing a semiconductor substrate, providing a first layer of a first semiconductor material over the semiconductor substrate and providing a second layer of a second semiconductor material over the first layer. The first and the second semiconductor materials are selected such that the first semiconductor material has a rate of removal which is less than a rate of removal of the second semiconductor material. The method further comprises removing a portion of the first layer and a portion of the second layer selectively according to the different rates of removal so as to provide a lateral layer and the vertical channel portion of the inverted T shaped channel structure and removing a portion of the lateral layer so as to provide the horizontal channel portion of the inverted T shaped channel structure.
    • 形成具有用于反向T沟道场效应晶体管ITFET器件的垂直沟道部分和水平沟道部分的反向T形沟道结构的方法包括提供半导体衬底,在半导体衬底上提供第一半导体材料层, 在所述第一层上提供第二半导体材料层。 选择第一和第二半导体材料,使得第一半导体材料具有小于除去第二半导体材料的速率的去除速率。 该方法还包括根据不同的去除速率选择性地去除第一层的一部分和第二层的一部分,以便提供倒置的T形沟道结构的横向层和垂直沟道部分,并且去除 横向层,以提供倒置的T形通道结构的水平通道部分。