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    • 104. 发明授权
    • Semiconductor structure and method for manufacturing the same
    • 半导体结构及其制造方法
    • US08399315B2
    • 2013-03-19
    • US13062911
    • 2010-09-26
    • Haizhou YinZhijiong LuoHuilong Zhu
    • Haizhou YinZhijiong LuoHuilong Zhu
    • H01L21/84
    • H01L29/78687H01L29/66545H01L29/66621H01L29/66772
    • The present application discloses a semiconductor structure and a method for manufacturing the same. The semiconductor structure comprises a semiconductor substrate; an epitaxial semiconductor layer formed on two side portions of the semiconductor substrate; a gate stack formed at a central position on the semiconductor substrate and abutting the epitaxial semiconductor layer, the gate comprising a gate conductor layer and a gate dielectric layer which is sandwiched between the gate conductor layer and the semiconductor substrate and surrounding the lateral surfaces of the gate conductor layer; and a sidewall spacer formed on the epitaxial semiconductor layer and surrounding the gate. The method for manufacturing the above semiconductor structure comprises forming raised source/drain regions in the epitaxial semiconductor layer utilizing the sacrificial gate. The semiconductor structure and the method for manufacturing the same can simplify the fabrication process for an ultra-thin SOI transistor and reduce the ON-state resistance and power consumption of the transistor.
    • 本申请公开了一种半导体结构及其制造方法。 半导体结构包括半导体衬底; 形成在所述半导体衬底的两个侧面上的外延半导体层; 形成在所述半导体衬底上的中心位置并与所述外延半导体层邻接的栅极叠层,所述栅极包括栅极导体层和栅极电介质层,所述栅极介电层夹在所述栅极导体层和所述半导体衬底之间, 栅极导体层; 以及形成在外延半导体层上并围绕栅极的侧壁间隔物。 制造上述半导体结构的方法包括利用牺牲栅极在外延半导体层中形成凸起的源/漏区。 半导体结构及其制造方法可以简化超薄SOI晶体管的制造工艺,并降低晶体管的导通电阻和功耗。
    • 107. 发明授权
    • Method for manufacturing an NMOS with improved carrier mobility
    • 具有改善的载流子迁移率的NMOS的制造方法
    • US08361851B2
    • 2013-01-29
    • US13063896
    • 2010-06-21
    • Huilong ZhuHaizhou YinZhijiong Luo
    • Huilong ZhuHaizhou YinZhijiong Luo
    • H01L21/338
    • H01L29/7845H01L21/76897H01L29/66545
    • Tensile stress is applied to the channel region of an N-type metal oxide semiconductor (NMOS) transistor by directly forming a material having a tensile stress, for example, tungsten, in the contact holes on the source region and drain region of the NMOS. Then, the dummy gate layer in the gate stack of the NMOS transistor is removed, so as to further reduce the counter force of the gate stack on the channel region, thereby increasing the tensile stress in the channel region, enhancing the drift mobility of the carrier, and improving the performance of the transistor. The present invention avoids using a separate stress layer to create tensile stress in the channel region of an NMOS transistor, which advantageously simplifies the transistor manufacturing process and improves sizes and performance of the transistor.
    • 通过在NMOS的源极区域和漏极区域的接触孔中直接形成具有拉伸应力的材料,例如钨,在N型金属氧化物半导体(NMOS)晶体管的沟道区域上施加拉伸应力。 然后,除去NMOS晶体管的栅极堆叠中的虚拟栅极层,以进一步减小栅极堆叠在沟道区域上的反作用力,从而增加沟道区域中的拉伸应力,增强了漏极迁移率 载体,并提高晶体管的性能。 本发明避免使用单独的应力层在NMOS晶体管的沟道区域中产生拉伸应力,这有利地简化了晶体管制造工艺并改善了晶体管的尺寸和性能。
    • 108. 发明申请
    • METHODS OF FORMING ISOLATION STRUCTURE AND SEMICONDUCTOR STRUCTURE
    • 形成隔离结构和半导体结构的方法
    • US20130017665A1
    • 2013-01-17
    • US13380807
    • 2011-08-05
    • Haizhou YinHuilong ZhuZhijiong Luo
    • Haizhou YinHuilong ZhuZhijiong Luo
    • H01L21/762
    • H01L21/76224
    • The present invention relates to a method of forming an isolation structure and a semiconductor structure. The method of forming the isolation structure comprises the steps of: providing a silicon substrate having a (110) crystal plane or a (112) crystal plane and determining the [111] direction of the silicon substrate; forming first trenches in the silicon substrate by wet etching the silicon substrate, the extension direction of the first trenches being substantially perpendicular to the [111] direction; filling the first trenches with a first insulating material to form a first isolator; forming second trenches in the silicon substrate by dry etching the silicon substrate, the extension direction of the second trenches being perpendicular to the extension direction of the first trenches; filling the second trenches with a second insulating material to form a second isolator.
    • 本发明涉及形成隔离结构和半导体结构的方法。 形成隔离结构的方法包括以下步骤:提供具有(110)晶面或(112)晶面并确定硅衬底的[111]方向的硅衬底; 通过湿蚀刻硅衬底在硅衬底中形成第一沟槽,第一沟槽的延伸方向基本上垂直于[111]方向; 用第一绝缘材料填充第一沟槽以形成第一隔离器; 通过干蚀刻硅衬底在硅衬底中形成第二沟槽,第二沟槽的延伸方向垂直于第一沟槽的延伸方向; 用第二绝缘材料填充第二沟槽以形成第二隔离器。
    • 110. 发明申请
    • Transistor, Method for Manufacturing Transistor, and Semiconductor Chip Comprising the Transistor
    • 晶体管,制造晶体管的方法以及包含晶体管的半导体芯片
    • US20130009217A1
    • 2013-01-10
    • US13378997
    • 2011-08-09
    • Haizhou YinJun LuoHuilong ZhuZhijiong Luo
    • Haizhou YinJun LuoHuilong ZhuZhijiong Luo
    • H01L29/772H01L21/336
    • H01L29/7833H01L21/28518H01L21/32139H01L21/76897H01L29/41775H01L29/665H01L29/6659
    • It is provided a transistor, a method for manufacturing the transistor, and a semiconductor chip comprising the transistor. A method for manufacturing a transistor may comprise: defining an active area on a semiconductor substrate, and forming on the active area a gate stack, a primary spacer, and source/drain regions, wherein the primary spacer surrounds the gate stack, and the source/drain regions are embedded in the active area and self-aligned with opposite sides of the primary spacer; forming a semiconductor spacer surrounding the primary spacer, and cutting off the ends of the semiconductor spacer in the width direction of the gate stack so as to isolate the source/drain regions from each other; and covering the surfaces of the source/drain regions and the semiconductor spacer with a layer of metal or alloy, and annealing the resulting structure, so that a metal silicide is formed on the surfaces of the source/drain regions, and so that the semiconductor spacer is transformed into a silicide spacer simultaneously. As such, the risk of transistor failure due to atoms or ions of Ni entering the channel region through the source/drain extension regions is reduced.
    • 提供晶体管,晶体管的制造方法和包括晶体管的半导体芯片。 一种用于制造晶体管的方法可以包括:在半导体衬底上限定有源区,以及在有源区上形成栅极堆叠,初级间隔物和源极/漏极区,其中主要间隔物包围栅极堆叠,源极 /漏极区域嵌入有源区域并与主间隔物的相对侧自对准; 形成围绕所述初级间隔物的半导体衬垫,并且在所述栅极叠层的宽度方向上切断所述半导体衬垫的端部,以将所述源极/漏极区彼此隔离; 并且用金属或合金层覆盖源极/漏极区域和半导体衬垫的表面,并对所得结构进行退火,使得在源极/漏极区域的表面上形成金属硅化物,并且使得半导体 间隔物同时转化成硅化物间隔物。 因此,由于通过源极/漏极延伸区域进入沟道区域的Ni的原子或离子导致的晶体管故障的风险降低。