Patents Assigned to Semiconductor Manufacturing International (Shanghai)
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Patent number: 10037943Abstract: A method for fabricating a metal gate transistor includes forming a dummy gate structure surrounded by a first dielectric layer on a semiconductor substrate and a source/drain region in the semiconductor substrate on each side of the dummy gate structure. The top surface of the dummy gate structure is leveled with the top surface of the first dielectric layer. The method then includes forming an etch stop sidewall in the first dielectric layer on each side of the dummy gate structure, forming a first trench by removing the dummy gate structure, and forming a metal gate structure to partially fill the first trench. The top portion of the first trench becomes a second trench. Further, the method also includes forming an etch stop layer by filling the second trench, and then forming a contact plug in the first dielectric layer to electrically connect to each source/drain region.Type: GrantFiled: December 28, 2016Date of Patent: July 31, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventor: Jie Zhao
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Patent number: 10038027Abstract: The present disclosure provides CMOS image sensors and fabrication methods thereof. An exemplary fabrication process of a CMOS image sensor includes providing a substrate having a first region and a second region connecting with the first region at a first end of the first region; forming a transfer transistor on surface of the substrate in the second region; forming a first implanting region in the substrate in the first region using a first mask; forming a second implanting region in the first implanting region by, the first implanting region being separated into a third implanting region on the second implanting region and a fourth implanting region under the second implanting region; forming a fifth region in the second region at the first end using a second mask, connecting the third implanting region with the fourth implanting region.Type: GrantFiled: January 3, 2017Date of Patent: July 31, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: Dae-Sub Jung, Deyan Chen, Xuejie Shi
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Patent number: 10037924Abstract: A method for fabricating a Fin-FET device includes forming fin structures with each having a gate structure on the top in both P-type regions and N-type regions, forming a first epitaxial layer on each fin structure on both sides of the gate structure in the P-type regions, forming a P-type doped first covering layer on each first epitaxial layer, forming a second epitaxial layer on each fin structure on both sides of the gate structure in the N-type regions, forming an N-type doped second covering layer on each second epitaxial layer, and forming a titanium-containing silicification layer on the first covering layer and the second covering layer. The method further includes performing a first annealing process to let titanium ions in the silicification layer diffuse into the first covering layer to form a first metal silicide layer and into the second covering layer to form a second metal silicide layer.Type: GrantFiled: October 6, 2016Date of Patent: July 31, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventor: Yong Li
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Patent number: 10032865Abstract: A power semiconductor device is provided. The power semiconductor device includes a substrate having a device region and a surrounding termination region; and at least a power device formed in the device region of the substrate. The power semiconductor substrate also includes a termination structure having a plurality of semiconductor plugs formed in a first surface of the termination region of the substrate. Wherein the plurality of the semiconductor plugs are formed in a plurality of ring trenches formed in the first surface of the substrate in the termination regions, with a semiconductor plug formed in each of the plurality of ring trenches.Type: GrantFiled: February 8, 2016Date of Patent: July 24, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Dae Sub Jung, Bo Liu, Roger To-Hoi Szeto
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Patent number: 10031516Abstract: A method for automatically collecting semiconductor manufacturing parameters of a manufacturing equipment is provided. The method includes reporting semiconductor manufacturing parameters obtained by self-monitoring of the manufacturing equipment and obtaining storage locations in an electronic data capture corresponding to reported semiconductor manufacturing parameters and transporting the reported semiconductor manufacturing parameters and corresponding storage locations. The method further includes receiving the reported semiconductor manufacturing parameters and the corresponding storage location and storing each reported semiconductor manufacturing parameters automatically into the electronic data capture of a manufacturing execution system according to the corresponding storage location.Type: GrantFiled: March 27, 2015Date of Patent: July 24, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Ke Xiao, Jimin Zhu, Lunguo Wang, Yunfei Sui, Xueqing Gao
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Patent number: 10032860Abstract: A semiconductor device and a fabrication method are provided. The semiconductor device is fabricated by providing a substrate with a device area surrounded by a seal ring area, forming a buried deep-well layer in the substrate of the seal ring area, forming a first well region and a second well region in the substrate above the buried deep-well layer with the first well region surrounding the device area and the second well region surrounding the first well region, forming a heavily doped region in the substrate above the buried deep-well layer and between the first well region and the second well region, and forming a seal ring structure connecting to the heavily doped region. The buried deep-well layer, the first well region, and the second well region all have a first doping type while the heavily doped region and the substrate have a second doping type.Type: GrantFiled: October 5, 2016Date of Patent: July 24, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: Jizhe Zhong, Zhihua Wu
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Patent number: 10026850Abstract: A method for fabricating a transistor is provided. The method includes providing a semiconductor substrate; and forming at least a nanowire suspending in the semiconductor substrate. The method also includes forming a channel layer surrounding the nanowire; and forming a contact layer surrounding the channel layer. Further, the method includes forming a trench exposing the channel layer and surrounding the channel layer in the contact layer; and forming a potential barrier layer on the bottom of the trench and surrounding the channel layer. Further, the method also includes forming a gate structure surrounding the potential barrier layer and covering portions of the contact layer; and forming a source and a drain region on the contact layer at two sides of the gate structure, respectively.Type: GrantFiled: July 20, 2017Date of Patent: July 17, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventor: Deyuan Xiao
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Patent number: 10026801Abstract: A semiconductor device includes an inductor disposed on a surface of an intermetallic dielectric layer at a location below which no virtual interconnect members are present. Thus, parasitic capacitance is reduced or eliminated and the Q value of the inductor is high.Type: GrantFiled: November 1, 2016Date of Patent: July 17, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, NINGBO SEMICONDUCTOR INTERNATIONAL CORPORATIONInventors: Herb He Huang, Hongtao Ge, Haiting Li
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Patent number: 10026828Abstract: A method for manufacturing a semiconductor device includes providing a semiconductor structure having a substrate structure, multiple fins having a germanium layer, a dummy gate structure including sequentially a hardmask, a dummy gate, a dummy gate insulating material on the germanium layer, and spacers on opposite sides of the dummy gate structure and on a portion of the germanium layer. The method also includes forming an interlayer dielectric layer on the substrate structure covering the dummy gate structure, planarizing the interlayer dielectric layer to expose a surface of the dummy gate, removing the dummy gate and the dummy gate insulating material to expose a surface of the germanium layer, performing a silane impregnation process on the exposed surface of the germanium layer to introduce silicon to the germanium layer, and performing an oxidation process on the germanium layer to form an oxide layer comprising silicon and germanium.Type: GrantFiled: November 8, 2016Date of Patent: July 17, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventor: Yong Li
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Patent number: 10026841Abstract: 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: GrantFiled: May 24, 2017Date of Patent: July 17, 2018Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventor: Fei Zhou
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Patent number: 10014768Abstract: A charge pump voltage regulator is provided. The charge pump voltage regulator includes a charge pump circuit, where an output terminal of the charge pump circuit outputs a stable voltage. The charge pump voltage regulator also includes a voltage divider circuit suitable to divide the stable voltage to output a divided voltage and a clock oscillator providing a drive clock signal for the charge pump circuit. In addition, the charge pump voltage regulator includes a first voltage comparator circuit suitable to output at least one of a first comparison result and a second comparison result. Further, the charge pump voltage regulator includes a logic control unit, where, when the charge pump voltage regulator operates in a standby mode, the logic control unit outputs a first control level to the clock oscillator according to the at least one of the first comparison result and the second comparison result.Type: GrantFiled: February 17, 2017Date of Patent: July 3, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: Yao Zhou, Hao Ni, Tian Shen Tang
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Patent number: 10014307Abstract: A method for manufacturing a semiconductor device includes providing a substrate, a first conductor, a second conductor, a first dielectric, a second dielectric, and a designated region. The first conductor is positioned between the first dielectric and the substrate. The second conductor is positioned between the second dielectric and the substrate. The first designated region is positioned in the substrate. The method includes providing a conductive material layer, which completely covers the first dielectric and the second dielectric. The method includes partially removing the conductive material layer to form a third conductor and a fourth conductor. The first dielectric is positioned between the third conductor and the first conductor. The fourth conductor directly contacts the designated region. The method includes implementing a memory unit using the first conductor and the third conductor and includes implementing a logic unit using the second conductor and the designated region.Type: GrantFiled: December 7, 2015Date of Patent: July 3, 2018Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventors: YiPeng Chan, Jieqiong Dong, Huajun Jin, Ruling Zhou, Shibi Guo, Bongkil Kim
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Publication number: 20180181152Abstract: The present disclosure relates to the technical field of semiconductors, and discloses a low dropout regulator (LDO) circuit. The LDO circuit includes a first adjustment pipe, a second adjustment pipe, a first error amplifier, and a second error amplifier. The first adjustment pipe is connected between an input end and an output end of the LDO circuit. The second adjustment pipe is connected between the output end of the LDO circuit and the ground. The first error amplifier includes a first input end and a second input end, where the first input end is connected to the output end of the LDO circuit, and the second input end is used to receive a reference voltage. The second error amplifier includes a third input end and a fourth input end, where the third input end is connected to the output end of the LDO circuit, and the fourth input end is used to receive the reference voltage.Type: ApplicationFiled: November 22, 2017Publication date: June 28, 2018Applicants: Semiconductor Manufacturing International (Beijing) Corporation, Semiconductor Manufacturing International (Shanghai) CorporationInventors: Bin Lu, Jun Wang, Sen Liu
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Patent number: 10007331Abstract: A wearable intelligent system is provided. The system includes a frame; and a micro projector disposed on the frame configured to project an image interface onto a beam splitter. The system also includes the beam splitter disposed on the frame configured to receive the image interface and form a virtual image in a user's eye; and a position sensor disposed on the front of the frame configured to sense a position of at least a body part and a change mode of the position with time and convert the change mode of the position into operation commands and the position into a position data. Further, the system includes a central data hub disposed on the frame configured to at least receive the position data and the operation commands and adjust the image interface to match the part of the user's body and perform corresponding operations according to the position data.Type: GrantFiled: December 15, 2014Date of Patent: June 26, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventor: Qiang Wu
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Patent number: 10008495Abstract: A method includes providing a semiconductor structure including an active region having a first doped region, a first contact member on the first doped region, first and second gates on opposite sides of the first contact member, an interlayer dielectric layer surrounding the first and second gates and the first contact member. The method also includes forming a first insulator layer having first and second contact holes, forming a second insulator layer on sidewalls of the first and second contact holes, filling the first and second contact holes with a first conductive material to form first and second contacts to the first and second gates, forming a third insulator layer on the first and second contacts, selectively etching the first insulator layer to form a third contact hole, and filling the third contact hole with a second conductive material to form a third contact to the first contact member.Type: GrantFiled: April 10, 2017Date of Patent: June 26, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: Cheng Long Zhang, Hai Yang Zhang
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Patent number: 10008246Abstract: A memory and a reference circuit calibration method are provided. The memory includes: a memory array including a plurality of memory cells; a reference circuit including a reference memory cell and a reference connection terminal, wherein the reference memory cell is a same as the memory cell; a calibration circuit including a calibration connection terminal, and a mirror circuit including a first mirror terminal and a second mirror terminal, wherein the first mirror terminal is connected to the reference connection terminal, and the second mirror terminal is connected to the calibration connection terminal; a clamp circuit, configured to set one of a voltage of the reference connection terminal and a voltage of the calibration connection terminal as a preset voltage and to set the other thereof as a comparison voltage; and a comparison circuit configured to input the comparison voltage and the preset voltage, and to output a comparison result.Type: GrantFiled: April 3, 2017Date of Patent: June 26, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: Yao Zhou, Hao Ni, Tian Shen Tang, Tao Wang
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Publication number: 20180175098Abstract: The present disclosure relates to the technical field of semiconductors, and discloses an image sensor and a manufacturing method therefor. The method includes: providing a semiconductor structure, where the semiconductor structure includes: a semiconductor substrate, and a first active region located on the semiconductor substrate, the first active region including a first doped region and a second doped region abutting against the first doped region, and the second doped region being located at an upper surface of the first active region; forming a semiconductor layer on an upper surface of the second doped region; and forming a contact connected to the semiconductor layer. The present disclosure enables defects or damages caused when forming the contact to be kept away from a junction field formed by the second doped region and the first doped region. Therefore, leakage current may be reduced and device performances may be improved.Type: ApplicationFiled: November 22, 2017Publication date: June 21, 2018Applicants: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventors: Tzu Yin Chiu, Chong Wang, Haifang Zhang, Xuanjie Liu
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Publication number: 20180175082Abstract: The present disclosure relates to the technical field of semiconductors, and discloses an image sensor and a manufacturing method therefor. The image sensor includes: a semiconductor substrate; a first active region located on the semiconductor substrate; a doped semiconductor layer located on the first active region; and a contact located on the semiconductor layer, where the first active region includes: a first doped region and a second doped region abutting against the first doped region, wherein the second doped region is located at an upper surface of the first active region, and wherein the second doped region is formed by dopants in the semiconductor layer that are annealed to be diffused to a surface layer of the first doped region. The present disclosure may reduce leakage current and improve device performances.Type: ApplicationFiled: November 22, 2017Publication date: June 21, 2018Applicants: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventors: Tzu Yin Chiu, Chong Wang, Haifang Zhang, Xuanjie Liu
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Patent number: 10002869Abstract: The present disclosure provides semiconductor structures and fabrication methods thereof. An exemplary fabrication method includes providing a plurality of fins on a semiconductor substrate; forming an anti-diffusion layer, containing anti-diffusion ions, in the fins; forming an anti-punch through layer, containing anti-punch through ions, in the fins, a top surface of the anti-punch through layer being below a top surface of the anti-diffusion layer, and the anti-diffusion layer preventing the anti-punch through ions from diffusing toward tops of the fins; and performing a thermal annealing process.Type: GrantFiled: April 24, 2017Date of Patent: June 19, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventor: Fei Zhou
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Patent number: 10002960Abstract: Lateral double-diffused MOSFET transistor and fabrication method thereof are provided. A shallow trench isolation structure is formed in a semiconductor substrate. A drift region is formed in the semiconductor substrate and surrounding the shallow trench isolation structure. A body region is formed in the semiconductor substrate and distanced from the drift region. A gate structure is formed on a portion of each of the body region, the drift region, and the shallow trench isolation structure. A drain region is formed in the drift region on one side of the gate structure. A source region is formed in the body region on an other side of the gate structure. A first shallow doped region is formed in the drain region and the drift region to surround the shallow trench isolation structure.Type: GrantFiled: February 20, 2017Date of Patent: June 19, 2018Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventor: Meng Zhao