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    • 36. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • 半导体器件及其制造方法
    • US20120038006A1
    • 2012-02-16
    • US12937652
    • 2010-07-25
    • Huilong ZhuHaizhou YinZhijiong LuoQiagqing Liang
    • Huilong ZhuHaizhou YinZhijiong LuoQiagqing Liang
    • H01L29/772H01L21/336
    • H01L29/66636H01L29/66795H01L29/66803H01L29/7848H01L29/785
    • The present application discloses a semiconductor device comprising a fin of semiconductive material formed from a semiconductor layer over a semiconductor substrate and having two opposing sides perpendicular to the main surface of the semiconductor substrate; a source region and a drain region provided in the semiconductor substrate adjacent to two ends of the fin and being bridged by the fin; a channel region provided at the central portion of the fin; and a stack of gate dielectric and gate conductor provided at one side of the fin, where the gate conductor is isolated from the channel region by the gate dielectric, and wherein the stack of gate dielectric and gate conductor extends away from the one side of the fin in a direction parallel to the main surface of the semiconductor substrate, and insulated from the semiconductor substrate by an insulating layer. The semiconductor device has an improved short channel effect and a reduced parasitic capacitance and resistance, which contributes to an improved electrical property and facilitates scaling down of the transistor.
    • 本申请公开了一种半导体器件,其包括由半导体衬底上的半导体层形成并具有垂直于半导体衬底的主表面的两个相对侧的半导体材料的鳍; 源极区域和漏极区域,设置在所述半导体衬底中,邻近所述鳍片的两端并被所述鳍片桥接; 设置在所述翅片的中央部的通道区域; 以及设置在鳍的一侧的栅极电介质和栅极导体的堆叠,其中栅极导体通过栅极电介质与沟道区隔离,并且其中栅极电介质和栅极导体的堆叠远离 翅片在平行于半导体衬底的主表面的方向上,并且通过绝缘层与半导体衬底绝缘。 半导体器件具有改善的短沟道效应和减小的寄生电容和电阻,这有助于改善电性能并且有助于晶体管的缩小。
    • 37. 发明申请
    • SEMICONDUCTOR STRUCTURE AND METHOD OF MANUFACTURING THE SAME
    • 半导体结构及其制造方法
    • US20120013009A1
    • 2012-01-19
    • US12996721
    • 2010-07-14
    • Huilong ZhuHaizhou YinZhijiong Luo
    • Huilong ZhuHaizhou YinZhijiong Luo
    • H01L23/532H01L21/768
    • H01L23/5226H01L21/76808H01L21/76831H01L23/53223H01L23/53238H01L23/53266H01L2924/0002H01L2924/00
    • The present invention discloses a semiconductor structure and a method for manufacturing the same. The semiconductor structure comprises a semiconductor substrate, a local interconnect structure connected to the semiconductor substrate, and at least one via stack structure electrically connected to the local interconnect structure, wherein the at least one via stack structure comprises a via having an upper via and a lower via, the width of the upper via being greater than that of the lower via; a via spacer formed closely adjacent to the inner walls of the lower via; an insulation layer covering the surfaces of the via and the via spacer; a conductive plug formed within the space surrounded by the insulation layer, and electrically connected to the local interconnect structure. The present invention is applicable to manufacture of a via stack in the filed of manufacturing semiconductor.
    • 本发明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,连接到半导体衬底的局部互连结构以及电连接到局部互连结构的至少一个通孔堆叠结构,其中至少一个通孔堆叠结构包括具有上通孔和 下通孔,上通孔的宽度大于下通孔的宽度; 形成在靠近下通道的内壁的通孔间隔件; 覆盖通孔和通孔间隔物的表面的绝缘层; 形成在由所述绝缘层包围的空间内并且电连接到所述局部互连结构的导电插塞。 本发明可应用于半导体制造领域中的通孔叠层的制造。
    • 39. 发明申请
    • TRANSISTOR AND MANUFACTURING METHOD OF THE SAME
    • 晶体管及其制造方法
    • US20110298018A1
    • 2011-12-08
    • US12937502
    • 2010-06-28
    • Haizhou YinZhijiong LuoHuilong Zhu
    • Haizhou YinZhijiong LuoHuilong Zhu
    • H01L29/78H01L21/336
    • H01L29/4983H01L21/28105H01L29/512H01L29/513H01L29/517H01L29/66545
    • The invention provides a transistor, including: a substrate having a channel region; a source region and a drain region on two ends of the channel region of the substrate respectively; a gate high-K dielectric layer on a top surface of the substrate above the channel region between the source region and the drain region; an interfacial layer under the gate high-K dielectric layer, including a first portion near the source region and a second portion near the drain region, wherein an equivalent oxide thickness of the first portion is larger than that of the second portion. An asymmetric replacement metal gate forms an asymmetric interfacial layer, which is thin at the drain region side and thick at the source region side. At the thin drain region side, the short channel effect is significant and the asymmetric interfacial layer advantageously suppresses the short channel effect. At the thick source region side, the carrier mobility has a large influence on the device, and the asymmetric interfacial layer prevents the carrier mobility from decreasing. Further, the asymmetric replacement metal gate implements an asymmetric metal work function.
    • 本发明提供一种晶体管,包括:具有沟道区的衬底; 分别在所述衬底的沟道区域的两端上的源极区域和漏极区域; 位于源极区域和漏极区域之间的沟道区域上方的衬底顶表面上的栅极高K电介质层; 在栅极高K电介质层下面的界面层,包括靠近源区的第一部分和靠近漏极区的第二部分,其中第一部分的等效氧化物厚度大于第二部分的等效氧化物厚度。 不对称替代金属栅极形成不对称界面层,其在漏极区侧较薄,在源极区侧较厚。 在薄漏极侧,短沟道效应显着,不对称界面层有利地抑制了短沟道效应。 在较厚的源极侧,载流子迁移率对器件的影响较大,不对称界面层阻止载流子迁移率降低。 此外,不对称替代金属栅极实现了非对称金属功能。
    • 40. 发明申请
    • SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
    • 半导体结构及其制造方法
    • US20110291184A1
    • 2011-12-01
    • US13062911
    • 2010-09-26
    • Haizhou YinZhijiong LuoHuilong Zhu
    • Haizhou YinZhijiong LuoHuilong Zhu
    • H01L29/78H01L21/336B82Y99/00
    • 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。