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    • 102. 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。
    • 104. 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。
    • 108. 发明授权
    • Semiconductor device and method of manufacturing the same
    • 半导体装置及其制造方法
    • US08470662B2
    • 2013-06-25
    • US13063538
    • 2010-06-28
    • Zhijiong LuoHuilong ZhuHaizhou Yin
    • Zhijiong LuoHuilong ZhuHaizhou Yin
    • H01L21/8238
    • H01L21/823864H01L21/28176H01L29/4966H01L29/517H01L29/6653H01L29/6659H01L29/7833
    • The present invention relates to a semiconductor device and a manufacturing method for making the same, wherein, according to the method, after the gate stack is formed, a buffer layer is formed on sidewalls of an PMOS gate stack, the buffer layer being formed of a porous low-k dielectric layer; and then, sidewall spacers and source/drain/halo regions, and source and drain regions are formed for the device; and finally, a high-temperature anneal is conducted in an oxygen environment such that the oxygen in the oxygen environment diffuse through the buffer layer into the high-k dielectric layer of the second gate stack. The present invention lowers threshold voltage of the PMOS device without affecting the threshold voltage of the NMOS device, avoids damages to the gate and substrate incurred by removing the PMOS sidewall spacer in a traditional process, and hereby effectively improves the overall performance of the device.
    • 半导体器件及其制造方法技术领域本发明涉及一种半导体器件及其制造方法,其中,根据该方法,在形成栅极叠层之后,在PMOS栅极叠层的侧壁上形成缓冲层,缓冲层由 多孔低k电介质层; 然后为器件形成侧壁间隔物和源极/漏极/晕圈区域以及源极和漏极区域; 最后,在氧环境中进行高温退火,使得氧环境中的氧气通过缓冲层扩散到第二栅极叠层的高k电介质层。 本发明降低了PMOS器件的阈值电压,而不影响NMOS器件的阈值电压,避免了在传统工艺中去除PMOS侧壁间隔物对栅极和衬底的损坏,从而有效地提高了器件的整体性能。
    • 110. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • 半导体器件及其制造方法
    • US20130119484A1
    • 2013-05-16
    • US13063907
    • 2011-02-27
    • Haizhou YinZhijiong LuoHuilong Zhu
    • Haizhou YinZhijiong LuoHuilong Zhu
    • H01L29/51H01L29/40
    • H01L29/518H01L29/401H01L29/4983H01L29/66477H01L29/78
    • The present invention provides a method of manufacturing a semiconductor device comprising: providing a semiconductor substrate, on which a high-k dielectric layer and a patterned gate are formed sequentially; nitridating portions of the high-k dielectric layer on the semiconductor substrate which are not covered by the gate; and forming spacers around the gate. Accordingly, the present invention further provides a semiconductor device. Portions of the high-k dielectric layer on the semiconductor substrate, which are not covered by the gate or the spacers positioned thereon, are nitridated, such that an oxygen diffusion barrier layer is formed on the surface of the high-k dielectric layer, thereby oxygen diffusion in the lateral direction into the high-k dielectric layer under the gate is prevented, and the operation performance of the semiconductor device is optimized.
    • 本发明提供一种制造半导体器件的方法,包括:提供半导体衬底,其上依次形成高k电介质层和图案化栅极; 半导体衬底上未被栅极覆盖的高k电介质层的氮化部分; 并在栅极周围形成间隔物。 因此,本发明还提供一种半导体器件。 半导体衬底上没有被栅极或位于其上的间隔物覆盖的高k电介质层的部分被氮化,使得在高k电介质层的表面上形成氧扩散阻挡层,从而 防止在栅极下的高k电介质层的横向氧扩散,并优化半导体器件的操作性能。