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    • 81. 发明授权
    • Semiconductor structure and method for manufacturing the same
    • 半导体结构及其制造方法
    • US08673701B2
    • 2014-03-18
    • US13376247
    • 2011-08-02
    • Huilong ZhuQingqing LiangZhijiong LuoHaizhou Yin
    • Huilong ZhuQingqing LiangZhijiong LuoHaizhou Yin
    • H01L21/84
    • H01L21/84H01L21/823828H01L21/823878H01L27/1203H01L29/4908H01L29/78603H01L29/78612
    • The present application discloses a semiconductor structure and method for manufacturing the same. The semiconductor structure comprises: an SOI substrate and a MOSFET formed on the SOI substrate, wherein the SOI substrate comprises, in a top-down fashion, an SOI layer, a first buried insulator layer, a buried semiconductor layer, a second buried insulator layer, and a semiconductor substrate, the buried semiconductor layer including a backgate region including a portion of the buried semiconductor layer doped with a dopant of a first polarity; the MOSFET comprises a gate stack and source/drain regions, the gate stack being formed on the SOI layer, and the source/drain regions being formed in the SOI layer at opposite sides of the gate stack; and the backgate region includes a counter-doped region, the counter-doped region is self-aligned with the gate stack and includes a dopant of a second polarity, and the second polarity is opposite to the first polarity. The embodiment of the present disclosure can be used for adjusting a threshold voltage of a MOSFET.
    • 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:SOI衬底和形成在SOI衬底上的MOSFET,其中SOI衬底以自顶向下的方式包括SOI层,第一掩埋绝缘体层,埋入半导体层,第二掩埋绝缘体层 和半导体衬底,所述掩埋半导体层包括背栅区,所述背栅区包括掺杂有第一极性的掺杂剂的所述掩埋半导体层的一部分; MOSFET包括栅极堆叠和源极/漏极区,栅极堆叠形成在SOI层上,并且源极/漏极区域形成在栅极堆叠的相对侧的SOI层中; 并且所述背栅区域包括反掺杂区域,所述反掺杂区域与所述栅叠层自对准并且包括第二极性的掺杂剂,并且所述第二极性与所述第一极性相反。 本公开的实施例可以用于调整MOSFET的阈值电压。
    • 82. 发明授权
    • Method for forming semiconductor structure
    • 半导体结构形成方法
    • US08664054B2
    • 2014-03-04
    • US13381014
    • 2011-04-18
    • Huilong ZhuHaizhou YinZhijiong Luo
    • Huilong ZhuHaizhou YinZhijiong Luo
    • H01L21/336
    • H01L29/66545H01L21/823807H01L21/823828H01L29/7833H01L29/7847H01L29/7848
    • The invention relates to a method for forming a semiconductor structure, comprising: providing a semiconductor substrate which comprises a dummy gate formed thereon, a spacer surrounding the dummy gate, source and drain regions formed on two sides of the dummy gate, respectively, and a channel region formed in the semiconductor substrate and below the dummy gate; removing the dummy gate to form a gate opening; forming a stressed material layer in the gate opening; performing an annealing to the semiconductor substrate, the stressed material layer having tensile stress characteristics during the annealing; removing the stressed material layer in the gate opening; and forming a gate in the gate opening. By the above steps, the stress memorization technique can be applied to the pMOSFET.
    • 本发明涉及一种形成半导体结构的方法,包括:提供包括形成在其上的虚拟栅极的半导体衬底,围绕伪栅极的间隔物,分别形成在虚拟栅极两侧的源区和漏区,以及 形成在半导体衬底中并在虚拟栅极之下的沟道区; 去除虚拟门以形成门开口; 在闸门开口处形成应力材料层; 对所述半导体基板进行退火,所述应力材料层在退火时具有拉伸应力特性; 去除闸门开口中的应力材料层; 并在门开口形成门。 通过上述步骤,可以将应力记忆技术应用于pMOSFET。
    • 86. 发明授权
    • Semiconductor device and method for manufacturing the same
    • 半导体装置及其制造方法
    • US08598595B2
    • 2013-12-03
    • US13003873
    • 2010-09-26
    • Huilong ZhuZhijiong LuoHaizhou Yin
    • Huilong ZhuZhijiong LuoHaizhou Yin
    • H01L21/00
    • H01L29/785H01L21/26586H01L29/66636H01L29/66795H01L29/66803H01L29/7848
    • The present application discloses a semiconductor device and a method for manufacturing the same. The semiconductor device comprises an SOI substrate; a semiconductor fin formed on the SOI substrate, the semiconductor fin having a first side and a second side which are opposite to each other and stand upward on a surface of the SOI substrate, and a trench which is opened at a central portion of the second side and opposite to the first side; a channel region formed in the fin and being between the first side and the trench at the second side; source and drain regions formed in the fin and sandwiching the channel region; and a gate stack formed on the SOI substrate and being adjacent to the first side of the fin, wherein the gate stack comprises a first gate dielectric extending away from the first side and being adjacent to the channel region, a first conductor layer extending away from the first side and being adjacent to the first gate dielectric, a second gate dielectric extending away from the first side and being adjacent laterally to one side of the first conductor layer, and a second conductor layer extending away from the first side and being adjacent laterally to one side of the second gate dielectric. The embodiments of the invention can be applied in manufacturing an FinFET.
    • 本申请公开了一种半导体器件及其制造方法。 半导体器件包括SOI衬底; 在所述SOI衬底上形成的半导体鳍片,所述半导体鳍片具有彼此相对并在所述SOI衬底的表面上向上并且在所述第二衬底的中心部分处开口的第一侧和第二侧; 侧和第一侧相对; 形成在所述翅片中并且在所述第二侧处在所述第一侧和所述沟槽之间的沟道区域; 源极和漏极区域形成在翅片中并夹着沟道区域; 以及形成在所述SOI衬底上并且邻近所述鳍的所述第一侧的栅极堆叠,其中所述栅极堆叠包括远离所述第一侧延伸并且邻近所述沟道区延伸的第一栅极电介质, 所述第一侧并且邻近所述第一栅极电介质延伸,所述第二栅极电介质延伸远离所述第一侧并且横向邻近所述第一导体层的一侧;以及第二导体层,所述第二导体层从所述第一侧延伸并且横向相邻 到第二栅极电介质的一侧。 本发明的实施例可以应用于制造FinFET。
    • 88. 发明申请
    • FINFET AND METHOD FOR MANUFACTURING THE SAME
    • FINFET及其制造方法
    • US20130299885A1
    • 2013-11-14
    • US13579192
    • 2012-05-14
    • Huilong ZhuWei HeQingqing LiangHaizhou YinZhijiong Luo
    • Huilong ZhuWei HeQingqing LiangHaizhou YinZhijiong Luo
    • H01L29/78H01L21/336
    • H01L29/66795H01L29/785
    • A FinFET and a method for manufacturing the same are disclosed. The FinFET comprises an etching stop layer on a semiconductor substrate; a semiconductor fin on the etching stop layer; a gate conductor extending in a direction perpendicular to a length direction of the semiconductor fin and covering at least two side surfaces of the semiconductor fin; a gate dielectric layer between the gate conductor and the semiconductor fin; a source region and a drain region which are provided at two ends of the semiconductor fin respectively; and an interlayer insulating layer adjoining the etching stop layer below the gate dielectric layer, and separating the gate conductor from the etching stop layer and the semiconductor fin. A height of the fin of the FinFET is approximately equal to a thickness of a semiconductor layer for forming the semiconductor fin.
    • 公开了一种FinFET及其制造方法。 FinFET包括在半导体衬底上的蚀刻停止层; 在蚀刻停止层上的半导体鳍片; 栅极导体,其在与半导体鳍片的长度方向垂直的方向上延伸并覆盖半导体鳍片的至少两个侧面; 在栅极导体和半导体鳍片之间的栅介质层; 源极区和漏极区,分别设置在半导体鳍的两端; 以及与栅极电介质层下方的蚀刻停止层相邻的层间绝缘层,并且将栅极导体与蚀刻停止层和半导体鳍分离。 FinFET的鳍的高度近似等于用于形成半导体鳍的半导体层的厚度。