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    • 75. 发明授权
    • Semiconductor structure and method for manufacturing the same
    • 半导体结构及其制造方法
    • US08598666B2
    • 2013-12-03
    • US13504935
    • 2011-11-03
    • Huilong ZhuHaizhou YinZhijiong Luo
    • Huilong ZhuHaizhou YinZhijiong Luo
    • H01L27/12
    • H01L27/124H01L21/743H01L27/1218H01L29/78
    • The present invention relates to a semiconductor structure and a method for manufacturing the same. A semiconductor structure comprises: a semiconductor substrate; a first insulating material layer, a first conductive material layer, a second insulating material layer, a second conductive material layer and an insulating buried layer formed in sequence on the semiconductor substrate; a semiconductor layer bonded on the insulating buried layer; transistors formed on the semiconductor layer, the channel regions of the transistors each being formed in the semiconductor layer and each having a back-gate formed from the second conductive material layer; a dielectric layer covering the semiconductor layer and the transistors; isolation structures for at least electrically isolating each transistor from its adjacent transistors, the top of the isolation structures being flush with or slightly higher than the upper surface of the semiconductor layer, and the bottom of the isolation structures being in the second insulating material layer; and a conductive contact running through the dielectric layer and extending down into the first conductive material layer.
    • 半导体结构及其制造方法技术领域本发明涉及半导体结构及其制造方法。 半导体结构包括:半导体衬底; 在半导体衬底上依次形成第一绝缘材料层,第一导电材料层,第二绝缘材料层,第二导电材料层和绝缘掩埋层; 接合在绝缘掩埋层上的半导体层; 形成在半导体层上的晶体管,晶体管的沟道区各自形成在半导体层中,每一个具有由第二导电材料层形成的背栅; 覆盖半导体层和晶体管的电介质层; 用于至少将每​​个晶体管与其相邻晶体管电隔离的隔离结构,隔离结构的顶部与半导体层的上表面齐平或略高,隔离结构的底部位于第二绝缘材料层中; 以及导电接触件,其穿过介电层并向下延伸到第一导电材料层中。
    • 78. 发明申请
    • Semiconductor Device and Method for Manufacturing the Same
    • 半导体装置及其制造方法
    • US20130256810A1
    • 2013-10-03
    • US13512329
    • 2012-04-09
    • Haizhou YinWei Jiang
    • Haizhou YinWei Jiang
    • H01L29/06H01L21/76
    • H01L21/76232H01L29/0638H01L29/7833
    • The present invention discloses a semiconductor device, which comprises: a first epitaxial layer on a substrate; a second epitaxial layer on the first epitaxial layer, wherein a MOSFET is formed in an active region of the second epitaxial layer; and an inverted-T shaped STI formed in the first epitaxial layer and the second epitaxial layer and surrounding the active region. In the semiconductor device and the method for manufacturing the same according to the present invention, the double epitaxial layers are selectively etched to form an inverted-T shaped STI, which effectively reduces the leakage current of the device without reducing the area of the active region, thereby improving the device reliability.
    • 本发明公开了一种半导体器件,其包括:衬底上的第一外延层; 在所述第一外延层上的第二外延层,其中在所述第二外延层的有源区中形成MOSFET; 以及形成在第一外延层和第二外延层中并围绕有源区的倒T形STI。 在根据本发明的半导体器件及其制造方法中,选择性地蚀刻双重外延层以形成倒T形STI,其有效地减少器件的漏电流而不减少有源区的面积 ,从而提高了设备​​的可靠性。
    • 79. 发明授权
    • Semiconductor structure and method for manufacturing the same
    • 半导体结构及其制造方法
    • US08546910B2
    • 2013-10-01
    • US13380723
    • 2011-08-24
    • Haizhou YinHuilong ZhuZhijiong Luo
    • Haizhou YinHuilong ZhuZhijiong Luo
    • H01L21/70
    • H01L29/66772H01L29/78603H01L29/78696
    • The present invention provides a semiconductor structure, which comprises a substrate, a semiconductor base, a cavity, a gate stack, sidewall spacers, source/drain regions and a contact layer; wherein, the gate stack is located on the semiconductor base, the sidewall spacers are located on sidewalls of the gate stack, the source/drain regions are embedded within the semiconductor base and located on both sides of the gate stack, the cavity is embedded within the substrate, and the semiconductor base is suspended over the cavity, the thickness in the middle portion of the semiconductor base is greater than the thicknesses at both ends of the semiconductor base in a direction along the gate length, and both ends of the semiconductor base are connected with the substrate in a direction along the gate width; the contact layer covers exposed surfaces of the source/drain regions. Accordingly, the present invention further provides a method for manufacturing a semiconductor structure, which is favorable for reducing the contact resistance at the source/drain regions, enhancing the device performance, lowering the cost and simplifying the manufacturing process.
    • 本发明提供一种半导体结构,其包括衬底,半导体基底,空腔,栅极堆叠,侧壁间隔物,源极/漏极区域和接触层; 其中,所述栅极堆叠位于所述半导体基底上,所述侧壁间隔物位于所述栅极堆叠的侧壁上,所述源极/漏极区域被嵌入所述半导体基底内并且位于所述栅极堆叠的两侧,所述腔体嵌入 衬底和半导体衬底悬挂在空腔上,半导体衬底的中间部分的厚度大于沿着栅极长度方向的半导体衬底的两端的厚度,并且半导体衬底的两端 沿着所述栅极宽度的方向与所述基板连接; 接触层覆盖源极/漏极区域的暴露表面。 因此,本发明还提供了一种制造半导体结构的方法,其有利于降低源/漏区的接触电阻,提高器件性能,降低成本并简化制造工艺。