Patents by Inventor Chen Zhang

Chen Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200176558
    Abstract: A method of forming a semiconductor structure is provided. Trenches are formed in a first dielectric layer having a first height on a substrate. First III-V semiconductor patterns including aluminum are formed in the trenches to a second height lower than the first height. Second III-V semiconductor patterns are formed on the first III-V semiconductor patterns to a third height not higher than the first height to form fins including the first and second III-V semiconductor patterns. The first dielectric layer is completely removed to expose the fins. Selective oxidation is performed to oxidize the first III-V semiconductor patterns to form oxidized first III-V semiconductor patterns. Fin patterning is performed. A second dielectric layer is formed to cover the fins. The second dielectric layer is recessed to a level not higher than top surfaces of the oxidized first III-V semiconductor patterns. The semiconductor structure is also provided.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 4, 2020
    Inventors: KANGGUO CHENG, XIN MIAO, WENYU XU, CHEN ZHANG
  • Publication number: 20200173412
    Abstract: A vehicle includes a controller programmed to activate a fuel savings feature upon satisfaction of transition conditions and inhibit the transition according to satisfaction of inhibit conditions. The controller is further programmed to accumulate data indicative of the inhibit conditions and a time associated with the conditions being satisfied over a drive cycle.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 4, 2020
    Inventors: Dominique MEROUX, Zhen JIANG, Chen ZHANG, Rebecca KREUCHER
  • Publication number: 20200177531
    Abstract: A computer-implemented method for sharing photos. A non-limiting example of the computer-implemented method includes identifying, using a processor, an event and potential attendees at the event based on photo metadata and facial recognition and establishing, using the processor, the event and attendees at the event. The method sends, using the processor, a preview photo based on original photo from another attendee at the event to an attendee who is a requestor. The method receives, using the processor, a selection of the preview photo from the requestor and sends, using the processor, the original photo based on the preview photo to the requestor.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 4, 2020
    Inventors: NAN SONG, WEN WEN YANG, YIN QIAN, XIAO XIA MAO, YA QING CHEN, YI CHEN ZHANG, RUN HUA CHI
  • Patent number: 10672888
    Abstract: Embodiments of the invention form a channel fin across from a major surface of a substrate, wherein a top surface of the channel fin extends substantially horizontally with respect to the major surface. A gate is formed across from the major surface and along a sidewall surface of the channel fin, wherein a first top surface of the gate is above the top surface of the channel fin and extends substantially horizontally with respect to the major surface. A second top surface of the gate is defined by a trench formed through an exposed sidewall portion of the gate in a direction that is substantially horizontal with respect to the major surface, wherein a gate length dimension of the initial gate is defined by a distance from a bottom surface of the gate to the second top surface of the gate.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: June 2, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Publication number: 20200168702
    Abstract: Techniques for controlling top spacer thickness in VFETs are provided. In one aspect, a method of forming a VFET device includes: depositing a dielectric hardmask layer and a fin hardmask(s) on a wafer; patterning the dielectric hardmask layer and the wafer to form a fin(s) and a dielectric cap on the fin(s); forming a bottom source/drain at a base of the fin(s); forming bottom spacers on the bottom source/drain; forming a gate stack alongside the fin(s); burying the fin(s) in a dielectric fill material; selectively removing the fin hardmask(s); recessing the gate stack to form a cavity in the dielectric fill material; depositing a spacer material into the cavity; recessing the spacer material to form top spacers; removing the dielectric cap; and forming a top source/drain at a top of the fin(s). A VFET device is also provided.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Inventors: Wenyu Xu, Chen Zhang, Kangguo Cheng, Xin Miao
  • Publication number: 20200168512
    Abstract: A method of fabricating a vertical fin field effect transistor with a merged top source/drain, including, forming a source/drain layer at the surface of a substrate, forming a plurality of vertical fins on the source/drain layer; forming protective spacers on each of the plurality of vertical fins, forming a sacrificial plug between two protective spacers, forming a filler layer on the protective spacers not in contact with the sacrificial plug, and selectively removing the sacrificial plug to form an isolation region trench between the two protective spacers.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Publication number: 20200168510
    Abstract: A method of fabricating a vertical fin field effect transistor with a merged top source/drain, including, forming a source/drain layer at the surface of a substrate, forming a plurality of vertical fins on the source/drain layer; forming protective spacers on each of the plurality of vertical fins, forming a sacrificial plug between two protective spacers, forming a filler layer on the protective spacers not in contact with the sacrificial plug, and selectively removing the sacrificial plug to form an isolation region trench between the two protective spacers.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Publication number: 20200168511
    Abstract: A method of fabricating a vertical fin field effect transistor with a merged top source/drain, including, forming a source/drain layer at the surface of a substrate, forming a plurality of vertical fins on the source/drain layer; forming protective spacers on each of the plurality of vertical fins, forming a sacrificial plug between two protective spacers, forming a filler layer on the protective spacers not in contact with the sacrificial plug, and selectively removing the sacrificial plug to form an isolation region trench between the two protective spacers.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 28, 2020
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Patent number: 10665694
    Abstract: Embodiments of the invention form a channel fin across from a major surface of a substrate, wherein a top surface of the channel fin extends substantially horizontally with respect to the major surface. A gate is formed across from the major surface and along a sidewall surface of the channel fin, wherein a first top surface of the gate is above the top surface of the channel fin and extends substantially horizontally with respect to the major surface. A second top surface of the gate is defined by a trench formed through an exposed sidewall portion of the gate in a direction that is substantially horizontal with respect to the major surface, wherein a gate length dimension of the initial gate is defined by a distance from a bottom surface of the gate to the second top surface of the gate.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: May 26, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Patent number: 10665666
    Abstract: A method of forming a semiconductor structure is provided. Trenches are formed in a first dielectric layer having a first height on a substrate. First III-V semiconductor patterns including aluminum are formed in the trenches to a second height lower than the first height. Second III-V semiconductor patterns are formed on the first III-V semiconductor patterns to a third height not higher than the first height to form fins including the first and second III-V semiconductor patterns. The first dielectric layer is completely removed to expose the fins. Selective oxidation is performed to oxidize the first III-V semiconductor patterns to form oxidized first III-V semiconductor patterns. Fin patterning is performed. A second dielectric layer is formed to cover the fins. The second dielectric layer is recessed to a level not higher than top surfaces of the oxidized first III-V semiconductor patterns. The semiconductor structure is also provided.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 26, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Xin Miao, Wenyu Xu, Chen Zhang
  • Publication number: 20200161452
    Abstract: A method of forming a vertical transport fin field effect transistor is provided. The method includes forming a doped layer on a substrate, and forming a multilayer fin on the doped layer, where the multilayer fin includes a lower trim layer portion, an upper trim layer portion, and a fin channel portion between the upper and lower trim layer portions. A portion of the lower trim layer portion is removed to form a lower trim layer post, and a portion of the upper trim layer portion is removed to form an upper trim layer post. An upper recess filler is formed adjacent to the upper trim layer post, and a lower recess filler is formed adjacent to the lower trim layer post. A portion of the fin channel portion is removed to form a fin channel post between the upper trim layer post and lower trim layer post.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 21, 2020
    Inventors: Tenko Yamashita, Chun Wing Yeung, Chen Zhang
  • Patent number: 10658246
    Abstract: A method of forming a vertical field effect transistor device is provided. The method includes forming one or more fin stacks on a substrate, wherein the fin stacks include a lower junction plate, a vertical fin on the top surface of the lower junction plate, and an upper junction plate on the top surface of the vertical fin. The method further includes removing a portion of the lower junction plate and upper junction plate to form recessed spaces, and forming an inner spacer in the recessed spaces. The method further includes forming a sacrificial layer on the exposed surfaces of the vertical fin and the substrate. The method further includes forming a protective liner on the sacrificial layer and inner spacers, and removing the portion of the sacrificial layer on the surface of the substrate to leave a hanging portion of the protective liner extending below the inner spacer.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: May 19, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chen Zhang, Tenko Yamashita, Kangguo Cheng, Xin Miao, Juntao Li
  • Patent number: 10658493
    Abstract: Embodiments of the invention are directed to a nano sheet field effect transistor (FET) device that includes a gate spacer and an inner spacer. The gate spacer includes an upper segment and a lower segment. The inner spacer has a first selectivity to etch compositions used in predetermined fabrication operations for forming the inner spacer. The lower segment has the first selectivity to etch compositions used in predetermined fabrication operations for forming the inner spacer. The upper segment has a second selectivity to etch compositions used in predetermined fabrication operations for forming the inner spacer. The first etch selectivity is greater than the second etch selectivity.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 19, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Zhenxing Bi, Kangguo Cheng, Nicolas J. Loubet, Xin Miao, Wenyu Xu, Chen Zhang
  • Patent number: 10658481
    Abstract: Structures and/or methods that facilitate self-aligned gate cut on a dielectric fin extension in direct stacked vertical transport field effect transistor (VTFET). A semiconductor structure can comprise a silicon on insulator (SOI) semiconductor fin comprising a dielectric fin extension. The semiconductor structure can further comprise a first vertical transport field effect transistor (VTFET) comprising a first self-aligned gate on the dielectric fin extension. The semiconductor structure can further comprise a second VTFET comprising a second self-aligned gate on the dielectric fin extension. The semiconductor structure can further comprise a gate contact extending through the dielectric fin extension through the second VTFET to the first self-aligned gate.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 19, 2020
    Assignee: International Business Machines Corporation
    Inventors: Chen Zhang, Tenko Yamashita, Kangguo Cheng, Xin Miao
  • Publication number: 20200152517
    Abstract: A method for manufacturing a semiconductor device includes forming a first plurality of fins in a first device region on a substrate, forming a second plurality of fins in a second device region on the substrate, forming bottom source/drain regions on the substrate and around lower portions of each of the first and second plurality of fins in the first and second device regions, forming a dummy spacer layer on the bottom source/drain region in the first device region, wherein the dummy spacer layer includes one or more dopants, and forming a plurality of doped regions in the first and second plurality of fins in the first and second device regions, wherein the plurality of doped regions in the first device region extend to a greater height on the first plurality of fins than the plurality of doped regions in the second device region on the second plurality of fins.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventors: Xin Miao, Kangguo Cheng, Wenyu Xu, Chen Zhang
  • Publication number: 20200152789
    Abstract: A method for manufacturing a semiconductor device includes forming a source layer on a semiconductor substrate, forming a channel layer on the source layer, and forming a drain layer on the channel layer. The source, channel and drain layers are patterned into at least one fin, and a cap layer is formed on a lower portion of the at least one fin. The lower portion of the at least one fin includes the source layer and part of the channel layer. The method further includes forming a gate structure comprising a gate dielectric layer and a gate conductor on the at least one fin and on the cap layer. The cap layer is positioned between the lower portion of the at least one fin and the gate dielectric layer.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventors: Xin Miao, Chen Zhang, Kangguo Cheng, Wenyu Xu
  • Publication number: 20200148257
    Abstract: A driver assistance system for a vehicle having a hitch includes a trailer detection system, a steering system, and a controller. The controller determines that a trailer is not coupled with the hitch and outputs a reverse hitching path control signal to the steering system and determines that the trailer is coupled with the hitch and outputs a trailer backing path control signal to the steering system.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 14, 2020
    Inventors: Luke Niewiadomski, Donald Jacob Mattern, Roger Arnold Trombley, Aleksey Shepelev, Chen Zhang
  • Publication number: 20200152764
    Abstract: Embodiments of the invention are directed to method of fabricating a semiconductor device. A non-limiting embodiment of the method includes performing fabrication operations to form a nanosheet field effect transistor (FET) device on a substrate, wherein the fabrication operations include forming gate spacers along a gate region of the nanosheet FET device, wherein each of the gate spacers comprises an upper segment and a lower segment.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Inventors: Zhenxing Bi, Kangguo Cheng, Nicolas J. Loubet, Xin Miao, Wenyu Xu, Chen Zhang
  • Publication number: 20200152790
    Abstract: A method for manufacturing a semiconductor device includes forming a source layer on a semiconductor substrate, forming a channel layer on the source layer, and forming a drain layer on the channel layer. The source, channel and drain layers are patterned into at least one fin, and a cap layer is formed on a lower portion of the at least one fin. The lower portion of the at least one fin includes the source layer and part of the channel layer. The method further includes forming a gate structure comprising a gate dielectric layer and a gate conductor on the at least one fin and on the cap layer. The cap layer is positioned between the lower portion of the at least one fin and the gate dielectric layer.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventors: Xin Miao, Chen Zhang, Kangguo Cheng, Wenyu Xu
  • Patent number: 10650819
    Abstract: A method and system of providing a portable voice-based control user interface for multiple types of appliances are disclosed. The method includes activating a built-in voice communication interface of a voice control apparatus; selecting a first target appliance to receive voice-based commands; receiving a first voice input; in accordance with a determination that the first target appliance is a first appliance of a first appliance type, processing the first voice input using a first NLP model corresponding to the first appliance type to obtain a first machine command, and sending the first machine command to the first appliance; and in accordance with a determination that the first target appliance is a second appliance of a second appliance type, processing the first voice input using a second NLP model corresponding to the second appliance type to obtain a second machine command, and sending the second machine command to the second appliance.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 12, 2020
    Assignee: MIDEA GROUP CO., LTD.
    Inventors: Haibin Huang, Chen Zhang, Xin Liu