Patents Assigned to Semiconductor Manufacturing International (Shanghai) Corporation
  • Patent number: 9865505
    Abstract: A method of manufacturing a semiconductor device includes providing a substrate structure, the substrate structure having a semiconductor substrate including a first semiconductor fin, a first gate structure, and a first mask layer on a first semiconductor region. The method includes forming a second mask layer on the substrate structure, etching first mask layer and second mask layer to expose a portion of a first semiconductor fin not covered by the first gate structure, performing a first ion implantation on an exposed portion of the first semiconductor fin to introduce impurities into a portion of the first semiconductor fin located below the first gate structure, etching the first semiconductor fin to remove a portion of an exposed portion of the first semiconductor fin, and epitaxially growing a first semiconductor material on the remaining portions of the first semiconductor fin to form a first source region and a first drain region.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: January 9, 2018
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Yong Li
  • Publication number: 20180005915
    Abstract: The present disclosure is directed to a semiconductor device and a manufacturing method thereof, which relate to the field of semiconductor technologies. The semiconductor device includes a fin ESD element. The method includes: providing a substrate structure, where the substrate structure includes a semiconductor substrate, and a semiconductor fin for the fin ESD element and an electrode structure surrounding a part of the semiconductor fin that are on the semiconductor substrate; forming a second dielectric layer on the substrate structure to cover the electrode structure; forming, in the second dielectric layer, a trench extending to a top of the electrode, where the trench is on the electrode and extends along a longitudinal direction of the electrode, and a transverse width of the trench is less than or equal to a transverse width of the top of the electrode; and filling the trench with a metal material, so as to form a metal heat sink that is on the top of the electrode and is coupled to the electrode.
    Type: Application
    Filed: June 5, 2017
    Publication date: January 4, 2018
    Applicants: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: JunHong Feng
  • Patent number: 9859372
    Abstract: A semiconductor device may include the following elements: a first doped portion; a second doped portion; an enclosing member, which encloses both the first doped portion and the second doped portion; a first barrier, which directly contacts the first doped portion; a second barrier, which directly contacts the second doped portion; a dielectric member, which is positioned between the first barrier and the second barrier and directly contacts each of the first barrier and the second barrier; a third barrier, which directly contacts the first doped portion; and a device component, wherein a portion of the device component is positioned between the dielectric member and the third barrier.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: January 2, 2018
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Li Liu, Xianyong Pu, Guangli Yang, Gangning Wang, ChiChung Tai, Hong Sun
  • Patent number: 9852943
    Abstract: A method for manufacturing a conductor may include the following steps: preparing a substrate structure and a first metal set, wherein the substrate structure has a recess, wherein a first portion of the first metal set is positioned at the recess; applying a first electric current and a first ultrasonic wave for dissolving the first portion of the first metal set to obtain a first opening; applying a second electric current and a second ultrasonic wave for depositing a second metal set on the first metal set, wherein a first portion of the second metal set is positioned at a position of the first opening; applying a third electric current and a third ultrasonic wave for dissolving the first portion of the second metal set to obtain a second opening; and providing a third metal set through the second opening into the recess.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: December 26, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventor: Ming Zhou
  • Patent number: 9852991
    Abstract: A method for fabricating a semiconductor structure includes providing a dielectric layer on a semiconductor substrate, forming an opening in the dielectric layer to expose a portion of the surface of the semiconductor substrate, forming a metal layer to fill up the opening, and removing the portion of the metal layer formed above the top surface of the dielectric layer by polishing. A metal oxide layer is formed on the surface of the metal layer after polishing. The method further includes removing the metal oxide layer from the top surface of the metal layer, forming a metal barrier layer on the top surface of the metal layer after the removal of the metal oxide layer to provide a more uniform thickness and a denser texture, and converting the metal barrier layer to a metal cap layer by introducing a silicon-containing gas onto a surface of the metal barrier layer.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: December 26, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Jiquan Liu, Ming Zhou, Charles Wang
  • Patent number: 9853026
    Abstract: A transistor device may include a substrate that has a well portion. The transistor device may further include a source member and a drain member. The transistor device may further include a fin bar. The fin bar may be formed of a first semiconductor material, may be disposed between the source member and the drain member, and may overlap the well portion. The transistor device may further include a fin layer. The fin layer may be formed of a second semiconductor material, may be disposed between the source member and the drain member, and may contact the fin bar.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: December 26, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventor: De Yuan Xiao
  • Patent number: 9853030
    Abstract: Various embodiments provide semiconductor devices and methods for forming the same. A first fin and a second fin are formed on a semiconductor substrate. A first dielectric layer is formed on the semiconductor substrate and has a top surface lower than a top surface of both of the first fin and the second fin. A gate structure is formed on the first dielectric layer and covering across a first portion of each of the first fin and the second fin. A second portion of the first fin on both sides of the gate structure is removed, forming a first recess. A first semiconductor layer is formed in the first recess. A second dielectric layer is formed on the first dielectric layer and the first semiconductor layer, and exposes a top surface of the second fin. A second semiconductor layer is formed on the exposed top surface of the second fin.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: December 26, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Mieno Fumitake, Jianhua Ju
  • Patent number: 9847419
    Abstract: The present disclosure provides a fabrication method for forming a semiconductor device, including: forming a substrate, the substrate including first fins, second fins, and a first trench located in the substrate between a first fin and an adjacent fin; forming a first mask layer on the substrate, the first fins, and the second fins; and removing portions of the first mask layer neighboring a first trench to expose a portion of a top surface of a first fin and a portion of a top surface of the adjacent second fin to form a first opening, a portion of the top surface of the first fin covered by a remaining portion of the first mask layer being a first fin device region, a portion of the top surface of the second fin covered by a remaining portion of the first mask layer being a second fin device region.
    Type: Grant
    Filed: August 21, 2016
    Date of Patent: December 19, 2017
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventor: Fei Zhou
  • Publication number: 20170352663
    Abstract: The present disclosure provides a semiconductor device and a manufacturing method therefor.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 7, 2017
    Applicants: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Fei Zhou
  • Publication number: 20170352758
    Abstract: The present disclosure relates to the technical field of semiconductors and discloses a semiconductor device and a manufacturing method therefor. Forms of the method may include: providing a substrate structure, where the substrate structure includes: a semiconductor substrate, a semiconductor fin on the semiconductor substrate, isolation regions at two sides of the semiconductor fin, a gate dielectric layer on a surface of the semiconductor fin above the isolation regions, and a gate on a part of the gate dielectric layer; and performing threshold voltage adjustment ion implantation on a part of the semiconductor fin that is not covered by the gate, so as to enable implanted impurities to diffuse into a part of the semiconductor fin that is covered by the gate. Forms of the present disclosure can reduce loss of impurities implanted by the threshold voltage adjustment ion implantation.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 7, 2017
    Applicants: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Fei Zhou
  • Patent number: 9837323
    Abstract: The present disclosure provides a method for forming a semiconductor structure. The method includes providing a semiconductor substrate; forming a first active region, a second active region, a third active region, and a fourth active region in the semiconductor substrate; and forming a middle-voltage P well region (MVPW) in each of the first active region and the second region simultaneously and forming a middle-voltage N well (MVNW) region in each of the third active region and the fourth active region simultaneously.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: December 5, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Chih Chun Tai, Lei Fang, Dae Sub Jung, Gangning Wang, Guangli Yang, Jiao Wang, Hong Sun, Yunpeng Peng
  • Patent number: 9837311
    Abstract: The present disclosure provides conductive plug structures and fabrication methods thereof. An exemplary fabrication process of the conductive plug structure includes providing a substrate; forming a mask layer having an opening on a surface of the substrate; etching the substrate to form a contact hole using the mask layer as an etching mask; etching the mask layer to increase a feature size of the opening; forming an insulation layer on an inner surface of the opening, an inner surface of the enlarged opening and a surface of the mask layer to have more edge corners, a thickness of the insulation layer being greater than a thickness of the remaining mask layer; forming a conductive layer filling the contact hole on the insulation layer; and planarizing the conductive layer and the insulation layer until a surface of the mask layer is exposed.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: December 5, 2017
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
    Inventors: Liang Wang, Xiaotian Ma
  • Patent number: 9835956
    Abstract: The present disclosure provides apparatus and methods for overlay measurement. An exemplary overlay measurement apparatus includes an illuminating unit configured to generate illuminating light to illuminate a first overlay marker formed on a wafer to generate reflected light; and a first measuring unit configured to receive the reflected light from the first overlay marker to cause the reflected light to laterally shift and shear to generate interference light, to receive the interference light to form a first image, and to determine existence of an overlay offset and an exact value of the overlay offset, according to the first image.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: December 5, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Yang Liu, Qiang Wu, Liwan Yue
  • Patent number: 9837287
    Abstract: A method of forming a sealing structure for a bonded wafer is provided. The method includes providing the lower wafer and the upper wafer, forming a sealing material layer on each of the lower wafer and the upper wafer, forming a mask layer on the sealing material layer on each of the lower wafer and the upper wafer, etching the sealing material layer using the mask layer as an etch mask, so as to form a first protrusion at an edge of the lower wafer and a second protrusion at an edge of the upper wafer, and bonding the first protrusion and the second protrusion together to form the sealing structure. The sealing structure encloses a gap between the lower wafer and the upper wafer at an edge of the bonded wafer, so as to form a hermetically sealed cavity at the edge of the bonded wafer.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: December 5, 2017
    Assignee: Semiconductor Manufacturing International (Shanghai) Corporation
    Inventors: Yuankun Hou, Kuanchieh Yu, Yu Hua, Yuelin Zhao
  • Patent number: 9831313
    Abstract: The disclosed subject matter provides a Fin-FET with a thinned-down InP layer and thinning-down method thereof. In a Fin-FET, the fin structure is made of InGaAs and an InP layer is formed to cover the fin structure. The InP layer is obtained from an initial InP layer formed on the fin structure through a thinning down process including converting a surface portion of the InP layer into a Phosphorus-rich layer and removing the Phosphorus-rich layer. The thickness of the ultimately-formed InP layer is less than or equal to 1 nm. According to the disclosed method, the InP layer in the Fin-FET may be easily thinned down, and during the thinning-down process, contamination may be avoided.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 28, 2017
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Haiyang Zhang, Chenglong Zhang
  • Patent number: 9830996
    Abstract: The present disclosure provides Efuse bit cells and read/write methods thereof, and Efuse arrays. An exemplary Efuse bit cell includes a data latch configured to latch data of the Efuse bit cell, having two branches with a fuse disposed in a first branch and a resistor disposed in a second branch; a selection controller configured to control connections between one terminal of the first branch and a power source and between one terminal of the second branch and the power source, another terminal of the first branch and another terminal of the second branch being connected to ground; a first diode and a second diode, one of the first diode and the second diode being configured to input a write data signal; and a pass unit configured to transmit data stored in the Efuse bit cell and output a bit line signal.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: November 28, 2017
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
    Inventor: Chia Chi Yang
  • Patent number: 9831879
    Abstract: A receiver includes a first transfer gate, a first inverter, a second inverter, a second transfer gate, a third inverter, and a fourth inverter connected in series, a first power supply supplying power to the first and second inverters, a second power supply supplying power to the third and fourth inverters, a third power supply supplying power to the second transfer gate, first and second signals having opposite logic levels for controlling the first transfer gate. The third power supply is significantly lower than the first or second power supply. The leakage current of the receiver is significantly reduced in the core when the second power supply remains on but the first power supply is turned off while the performance of the receiver remains the same.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: November 28, 2017
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventors: Yan Geng, Kai Zhu, Jie Chen
  • Patent number: 9829788
    Abstract: A method is provided for fabricating a photolithographic mask. The method includes providing a transparent substrate; and forming an opaque layer on the transparent substrate. The method also includes writing layout patterns with at least one sub-resolution assistant feature with non-uniform size along a longitudinal direction to increase an adhesion force between the sub-resolution assistant feature with non-uniform size along the longitudinal direction and the transparent substrate in the opaque layer. Further, the method include cleaning residual matters generated by writing the layout patterns in the opaque layer. Further, the method also includes spin-drying the transparent substrate with the layout patterns and the sub-resolution assistant feature with non-uniform size along the longitudinal direction.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: November 28, 2017
    Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Boxiu Cai, Yi Huang
  • Patent number: 9831308
    Abstract: A semiconductor device includes a plurality of substantially vertical semiconductor pillars on a substrate, and a hard mask layer overlying the plurality of semiconductor pillars. A contiguous portion of the hard mask layer connects two or more of the plurality of semiconductor pillars.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: November 28, 2017
    Assignees: Semiconductor Manufacturing International (Beijing) Corporation, Semiconductor Manufacturing International (Shanghai) Corporation
    Inventor: Zhongshan Hong
  • Patent number: 9830978
    Abstract: A write tracking circuit includes a dummy memory cell coupled to a first dummy bit line, a second dummy bit line, and a dummy word line, a logic operation unit coupled to the dummy word line and to the first dummy bit line and configured to output a write feedback signal based on a logic operation of a signal on the dummy word line and a signal on the first dummy bit line, and a delay unit coupled to the dummy memory cell at a storage node. The write tracking circuit provides a correct feedback signal to the clock generation module to ensure normal operation of the peripheral circuit, when a data write operation to the dummy memory cell failed.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 28, 2017
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventors: Wei Fang, Zengbo Shi