Patents by Inventor Chen Tao

Chen Tao 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: 20190273048
    Abstract: Semiconductor structures and fabrication methods are provided. An exemplary fabrication method includes providing a semiconductor substrate having at least a first region; forming a dielectric structure over the semiconductor substrate; forming a plurality of first openings in the dielectric structure in the first region by removing portions of the dielectric structure in the first region; forming a first barrier member in each of the plurality of first openings; forming second openings with sidewall surfaces exposing sidewall surfaces of the first barrier members by removing portions of the dielectric structure between adjacent first openings; and forming a second barrier member in each of the plurality of second openings.
    Type: Application
    Filed: February 26, 2019
    Publication date: September 5, 2019
    Inventors: Deng Feng JI, Jun YANG, Hong Tao LIU, You He SHA, Chen Xiao WANG, Ying Nan LI
  • Patent number: 10339248
    Abstract: A method includes designing a layout of gate structures and diffusion regions of a plurality of devices, identifying an edge device of the plurality of devices, adding a dummy device next to the edge device and a dummy gate structure next to the dummy device resulting in a modified layout, and fabricating, based on the modified layout, at least one of a photolithography mask or at least one component in a layer of a semiconductor device. The dummy device shares a diffusion region with the edge device. A gate structure of the dummy device is one of two dummy gate structures added next to the edge device.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 2, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Annie Lum, Derek C. Tao, Cheng Hung Lee, Chung-Ji Lu, Hong-Chen Cheng, Vineet Kumar Agrawal, Keun-Young Kim, Pyong Yun Cho
  • Patent number: 10215022
    Abstract: The present disclosure relates to a method and apparatus for sampling a fluid from an environment having a primary filtering on a focused sampling probe and guard filtering system that is exposed upon movement of the focused sampling probe.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: February 26, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Chen Tao
  • Patent number: 10084660
    Abstract: A method for collecting statistics on network communication data includes: acquiring, by a first client, an identification code, requesting corresponding webpage content from a server according to the identification code, and displaying the webpage content; receiving, by the first client, a user-entered communication operation instruction including an operation type, sending the instruction to the server, and receiving an operation binding identification code that is returned by the server; acquiring, by a second client, the operation binding identification code displayed on the first client, and extracting the first client operation information and the entry prompt information from the operation binding identification code, the first client operation information including an operation type; and acquiring, by the second client, operation description information based on the entry prompt information, generating a binding relationship between the first client operation information and the operation description
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 25, 2018
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Tao Zhang, Lichun Li, Chen Tao, Feng Lu, Sen Wang
  • Patent number: 10024315
    Abstract: A method for calibrating a pump assembly is disclosed. The method includes characterizing a pump of the pump assembly to determine a performance characteristics of the pump. The method may also include calibrating a sensor associated with a displacement unit of the pump assembly. Calibrating the sensor may include calibrating the sensor under operating conditions of a first environment and under operating conditions of a second environment. Under the operating conditions of the second environment, the pump can also be calibrated to determine a performance characteristics of the pump at the operating conditions of the second environment. The calibrated pump assembly is then used to draw fluid from a subterranean formation or conduct a formation test.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: July 17, 2018
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Chen Tao, Sylvain Bedouet
  • Publication number: 20180128077
    Abstract: A system includes a downhole acquisition tool housing that may receive a fluid that enters the downhole acquisition tool from a first flowline, a second flowline, or both, and a flow control device removably coupled to the downhole acquisition tool and having a housing, a plurality of flow routing plugs that may be in fluid communication to the first flowline, the second flowline, or both, and channels disposed within the housing and fluidly coupled to the plurality of flow routing plugs.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 10, 2018
    Inventors: Chen Tao, Nathan Mathew Landsiedel
  • Patent number: 9714571
    Abstract: A downhole sampling tool includes a cam configured to rotate about a central axis. Two or more pistons engage a cam track such that rotation of the cam causes the pistons to reciprocate between first and second piston positions. Corresponding fluid flow lines are opened and closed when corresponding ones of the plurality of pistons reciprocate between the first and second piston positions.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: July 25, 2017
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Chen Tao
  • Publication number: 20170152735
    Abstract: An apparatus that includes a housing, a flowline extending within the housing, and a member retained within the housing and substantially comprising thermally conductive material. The flowline is retained in a substantially cylindrical surface of the member. A heat-generating electrical component is mounted to the member.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 1, 2017
    Inventor: Chen Tao
  • Publication number: 20160341039
    Abstract: The present disclosure relates to a method and apparatus for sampling a fluid from an environment having a primary filtering on a focused sampling probe and guard filtering system that is exposed upon movement of the focused sampling probe.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 24, 2016
    Inventor: Chen Tao
  • Publication number: 20160330081
    Abstract: A method for collecting statistics on network communication data includes: acquiring, by a first client, an identification code, requesting corresponding webpage content from a server according to the identification code, and displaying the webpage content; receiving, by the first client, a user-entered communication operation instruction including an operation type, sending the instruction to the server, and receiving an operation binding identification code that is returned by the server; acquiring, by a second client, the operation binding identification code displayed on the first client, and extracting the first client operation information and the entry prompt information from the operation binding identification code, the first client operation information including an operation type; and acquiring, by the second client, operation description information based on the entry prompt information, generating a binding relationship between the first client operation information and the operation description
    Type: Application
    Filed: July 15, 2016
    Publication date: November 10, 2016
    Inventors: Tao ZHANG, Lichun LI, Chen TAO, Feng LU, Sen WANG
  • Patent number: 9416657
    Abstract: Flowline pressure equalizer systems, methods and/or apparatuses for use on a downhole tool are provided. A pressure equalizer may be provided in communication with two flowlines. The pressure equalizer may use equalizing chambers and equalizing pistons to regulate pressure in one or both flowlines. Further, one or more flow routing modules may be interchangeable to further alter the flow scheme between the flowlines. Different plugs may house various flow routing configurations such that the plugs may be installed and/or removed in the tool string automatically or by a user.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: August 16, 2016
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Chen Tao, Pierre-Yves Corre, Nathan Landsiedel, Sylvain Bedouet
  • Publication number: 20160177942
    Abstract: A method, according to one or more aspects of the present disclosure, for calibrating a pump assembly includes characterizing one or more pumps of the pump assembly to determine one or more performance characteristics of the one or more pumps. The method may also include calibrating a sensor associated with a displacement unit of the pump assembly. Calibrating the sensor may include calibrating the sensor under operating conditions of a first environment and under operating conditions of a second environment. Under the operating conditions of the second environment, the one or more pumps can also be to determine one or more performance characteristics of the one or more pumps at the operating conditions of the second environment.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 23, 2016
    Inventors: Chen Tao, Sylvain Bedouet
  • Publication number: 20160177714
    Abstract: A sampling tool for conveyance within a well that extends into a subterranean formation. The sampling tool includes a displacement unit having a first cylinder, a second cylinder, a piston, and a magnet. The piston includes a first head located within the first cylinder and a second head located within the second cylinder. A stroke of the piston moves the first and second heads between first positions, in which each of the first and second heads are proximate first end walls of the respective first and second cylinders, and second positions, in which each of the first and second heads are proximate second end walls of the respective first and second cylinders. The magnet is carried with one or more of the first and second heads. The sampling tool further includes a magnetic field sensor operable to measure a magnetic field strength the magnet throughout the stroke.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 23, 2016
    Inventor: Chen Tao
  • Patent number: 9359892
    Abstract: An apparatus, a method and a system control fluid flow through a passageway. A downhole tool pumping apparatus may have a body and an active valve block. The body has a cavity housing a reciprocating piston defining first and second chambers within the cavity. The active valve block has active valves configured to be actively actuated between an open position and the closed position. Two or more hydraulic lines may be connected to each active valve for controlling actuating between the open position and the closed position. A piston having a conduit is slidably disposed through the passageway and selectively closes the conduit of the piston by moving at least one of the piston and a plug.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 7, 2016
    Assignee: Schlumberger Technology Corporation
    Inventor: Chen Tao
  • Patent number: 9163500
    Abstract: An apparatus including a downhole tool for conveyance in a wellbore extending into a subterranean formation. The downhole tool includes a feature to physically interface a sidewall of the wellbore, and first and second setting pistons each extendable from the downhole tool opposite the feature. The downhole tool also includes a rigid member spanning and extendable with the first and second setting pistons, wherein a length of the rigid member is variable.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: October 20, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Chen Tao, Thomas W. Meyer
  • Publication number: 20150216005
    Abstract: An electrical circuit for use as a string of lights is provided with a load including a plurality of lamps connected in series, the lamps including a plurality of LEDs and a plurality of incandescent light bulbs, and a plurality of electrical resistors connected in series, the electrical resistors being in parallel with the lamps. The load is activated by a source of AC. The LEDs are alternate with the incandescent light bulbs.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Inventors: CHU-CHENG CHANG, Cheng-Fen Chang, Chen-Hsien Chang, Chen-Tao Chang
  • Publication number: 20150142321
    Abstract: A method to detect flow rate from a displacement unit entailing locating the displacement unit in a fluid path, monitoring a piston position in the displacement unit for a stroke direction change, starting a timer upon a stroke direction change, monitoring at least one check valve position for an alteration of position, stopping the timer upon the alteration of position, calculating a time between the stroke direction change and the alternation of position, calculating a volume of the displacement unit and calculating the flow rate from the displacement unit by dividing the volume of the displacement unit by the calculated time.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 21, 2015
    Applicant: Schlumberger Technology Corporation
    Inventors: Adriaan Gisolf, Kai Hsu, Youxiang Zuo, Chen Tao
  • Publication number: 20150120462
    Abstract: Method, system, and terminals for pushing merchandise information are disclosed. The method includes: at a server: receiving first identification data from a first client device, wherein the first identification data is acquired by the first client device from a first merchandise item; establishing a first association between the first merchandise item and a first user account of the first client device; generating second identification data for the first association between the first user account and the first merchandise item; receiving the second identification data from a second client device; and in response to receiving the second identification data from the second client device, establishing a second association between a second user account of the second client device, the first merchandise item, and the first user account.
    Type: Application
    Filed: January 2, 2015
    Publication date: April 30, 2015
    Inventors: Tao ZHANG, Feng Lu, Shunfu Ye, Chen Tao, Lichun Li, Hongmin Zheng
  • Publication number: 20140299383
    Abstract: A downhole sampling tool includes a cam configured to rotate about a central axis. Two or more pistons engage a cam track such that rotation of the cam causes the pistons to reciprocate between first and second piston positions. Corresponding fluid flow lines are opened and closed when corresponding ones of the plurality of pistons reciprocate between the first and second piston positions.
    Type: Application
    Filed: November 30, 2012
    Publication date: October 9, 2014
    Inventor: Chen Tao
  • Publication number: 20140157883
    Abstract: Flowline pressure equalizer systems, methods and/or apparatuses for use on a downhole tool are provided. A pressure equalizer may be provided in communication with two flowlines. The pressure equalizer may use equalizing chambers and equalizing pistons to regulate pressure in one or both flowlines. Further, one or more flow routing modules may be interchangeable to further alter the flow scheme between the flowlines. Different plugs may house various flow routing configurations such that the plugs may be installed and/or removed in the tool string automatically or by a user.
    Type: Application
    Filed: November 13, 2013
    Publication date: June 12, 2014
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: CHEN TAO, PIERRE-YVES CORRE, NATHAN LANDSIEDEL, SYLVAIN BEDOUET