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    • 2. 发明授权
    • Semiconductor device and method for making the same
    • 半导体装置及其制造方法
    • US08329568B1
    • 2012-12-11
    • US12772969
    • 2010-05-03
    • Jae-Gyung AhnMyongseob KimPing-Chin YehZhiyuan WuJohn Cooksey
    • Jae-Gyung AhnMyongseob KimPing-Chin YehZhiyuan WuJohn Cooksey
    • H01L21/425
    • H01L29/665H01L29/6656H01L29/78H01L29/7843H01L29/7848
    • In one embodiment of the present invention, a field effect transistor device is provided. The field effect transistor device comprises an active area, including a first semiconductor material of a first conductivity type. A channel region is included within the active area. A gate region overlays the channel region, and the first source/drain region and the second source/drain region are embedded in the active area and spaced from each other by the channel region. The first source/drain region and the second source/drain region each include a second semiconductor material of a second conductivity type opposite of the first conductivity type. A well-tap region is embedded in the active area and spaced from the first source/drain region by the channel region and the second source/drain region. The well-tap region includes the second semiconductor material of the first conductivity type. The first source/drain region and the second source/drain region and the well-tap region are epitaxial deposits.
    • 在本发明的一个实施例中,提供了场效应晶体管器件。 场效应晶体管器件包括有源区,包括第一导电类型的第一半导体材料。 通道区域包括在有效区域内。 栅极区域覆盖沟道区域,并且第一源极/漏极区域和第二源极/漏极区域被嵌入有源区域中并且被沟道区域彼此间隔开。 第一源极/漏极区域和第二源极/漏极区域各自包括与第一导电类型相反的第二导电类型的第二半导体材料。 阱区域嵌入有源区域中,并且通过沟道区域和第二源极/漏极区域与第一源极/漏极区域间隔开。 阱抽头区域包括第一导电类型的第二半导体材料。 第一源极/漏极区域和第二源极/漏极区域以及阱阱区域是外延沉积物。
    • 4. 发明授权
    • Method for forming localized halo implant regions
    • 形成局部晕圈植入区的方法
    • US06518135B1
    • 2003-02-11
    • US09961484
    • 2001-09-24
    • Jae-Gyung Ahn
    • Jae-Gyung Ahn
    • H01L21336
    • H01L29/66492H01L21/26586H01L29/41783
    • A method for forming a localized halo implant region, comprises: implanting a first dosage of ions of a first type toward a surface of a substrate having a gate electrode formed thereon, so as to form a lightly doped region adjacent to the gate electrode; forming a disposable spacer on a sidewall of the gate electrode; forming an elevated source/drain structure adjacent to the disposable spacer; implanting a second dosage of ions of the first type toward the surface of the substrate so as to form a heavily doped region adjacent to the disposable spacer; removing the disposable spacer; and tilt-angle implanting at least one dosage of ions of a second type toward a gap created by the disposable spacer having been removed so as to form a localized halo implant region in the substrate, preferably by utilizing shadow effects of the gate electrode and the elevated source/drain structure.
    • 一种用于形成局部晕圈注入区域的方法,包括:将第一类型离子的第一剂量注入到其上形成有栅电极的衬底的表面上,以形成与栅电极相邻的轻掺杂区域; 在所述栅电极的侧壁上形成一次性间隔件; 形成与所述一次性间隔件相邻的升高的源极/漏极结构; 将第一类型的离子的第二剂量植入衬底的表面,以便形成与一次性衬垫相邻的重掺杂区域; 去除一次性间隔件; 并且倾斜角度将至少一次剂量的第二类型的离子注入由已被去除的一次性间隔物产生的间隙,以在衬底中形成局部的晕圈注入区域,优选地通过利用栅电极和 源/排水结构较高。
    • 5. 发明授权
    • Method of forming silicide
    • 形成硅化物的方法
    • US06730572B2
    • 2004-05-04
    • US10347230
    • 2003-01-21
    • Key-Min LeeJae-Gyung Ahn
    • Key-Min LeeJae-Gyung Ahn
    • H01L21331
    • H01L21/823842H01L21/28052H01L21/823835
    • A method of forming silicide, especially in a CMOS device in which polysilicon grains in a p-type gate are re-doped with n-type impurities such as As and the like at a critical implantation dose. This increases the grain size of the polysilicon, which also reduces sheet resistance by securing thermal stability in subsequent process steps thereof. The present invention generally includes forming an undoped polysilicon layer, doping the polysilicon layer with p-type impurity ions, doping the p-doped polysilicon layer with ions that increase the grain size of the polysilicon layer by being heated, forming a metal layer on the twice-doped polysilicon layer, and forming a silicide layer by reacting a portion of the twice-doped polysilicon layer with the metal layer.
    • 一种形成硅化物的方法,特别是在其中p型栅极中的多晶硅晶粒以临界注入剂量重新掺杂诸如As等的n型杂质的CMOS器件中。 这增加了多晶硅的晶粒尺寸,这也通过在其随后的工艺步骤中确保热稳定性而降低了薄层电阻。 本发明通常包括形成未掺杂的多晶硅层,用p型杂质离子掺杂多晶硅层,用掺杂p掺杂多晶硅层的离子掺杂,所述离子通过加热而增加多晶硅层的晶粒尺寸,在 双掺杂多晶硅层,并且通过使二掺杂多晶硅层的一部分与金属层反应而形成硅化物层。
    • 7. 发明授权
    • Method of forming trench isolation structure with dummy active regions and overlying discriminately doped conduction layer
    • 形成具有虚拟有源区和覆盖区分掺杂导电层的沟槽隔离结构的方法
    • US06337254B1
    • 2002-01-08
    • US09286670
    • 1999-04-06
    • Jae-Gyung Ahn
    • Jae-Gyung Ahn
    • H01L2176
    • H01L21/765H01L21/76224
    • A device isolation structure and a method thereof including a semiconductor substrate wherein a field isolation region including a plurality of dummy active regions and an active region are defined, a plurality of trenches formed among the regions, a filling layer filled in the plurality of trenches, a gate insulation layer formed on the semiconductor substrate having the filling layer, and a second conduction layer formed on the gate insulation layer, is capable of preventing a dishing from being generated in etching by forming the plurality of dummy active regions in the field isolation region and basically preventing the wide trenches from being formed, minimizing a parasitic capacitance generated in the dummy active-gate insulation layer-gate insulation layer in the field isolation region, and simplifying an isolation process by using the dummy active pattern.
    • 一种器件隔离结构及其方法,包括:半导体衬底,其中限定包括多个虚设有源区和有源区的场隔离区,在所述区之间形成多个沟槽,填充层填充在所述多个沟槽中, 在具有填充层的半导体衬底上形成的栅极绝缘层和形成在栅极绝缘层上的第二导电层能够通过在场隔离区域中形成多个虚拟有源区域来防止在蚀刻中产生凹陷 并且基本上防止形成宽沟槽,使得在场隔离区域中的伪有源栅极绝缘层 - 栅极绝缘层中产生的寄生电容最小化,并且通过使用伪有源图案来简化隔离处理。