Patents by Inventor Jianhua Zhou

Jianhua Zhou 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: 20160230281
    Abstract: A method and apparatus for a pedestal is provided. In one embodiment, the pedestal includes a body comprising a ceramic material having a flange, one or more heating elements embedded in the body, a first shaft coupled to the flange, and a second shaft coupled to the first shaft; wherein the second shaft includes a plurality of fluid channels formed therein that terminate in the second shaft.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 11, 2016
    Inventors: Xing LIN, Jianhua ZHOU, Juan Carlos ROCHA-ALVAREZ, Ramprakash SANKARAKRISHNAN
  • Publication number: 20160222507
    Abstract: A processing chamber is described having a gas evacuation flow path from the center to the edge of the chamber. Purge gas is introduced at an opening around a support shaft that supports a heater plate. A shaft wall around the opening directs the purge gas along the support shaft to an evacuation plenum. Gas flows from the evacuation plenum through an opening in a second plate near the shaft wall and along the chamber bottom to an opening coupled to a vacuum source. Purge gas is also directed to the slit valve.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 4, 2016
    Inventors: Juan Carlos ROCHA-ALVAREZ, Amit Kumar BANSAL, Ganesh BALASUBRAMANIAN, Jianhua ZHOU, Ramprakash SANKARAKRISHNAN
  • Patent number: 9391862
    Abstract: A method for scheduling a service processing resource, includes: setting multiple processing capability ranks of a processing resource and marking actual processing capability corresponding to each processing capability rank for the processing resource separately; calculating the service fluctuation quantity according to a change of the actual service quantity processed by the processing resource; calculating, according to the service fluctuation quantity, a reserved idle processing capability for eliminating an effect from a service fluctuation; and circularly scheduling the processing capability ranks of the processing resource according to the actual processing capability marked by each processing capability rank, wherein the reserved idle processing capability, service fluctuation quantity, and service quantity are to be processed.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: July 12, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Jianhua Zhou
  • Patent number: 9384950
    Abstract: In one embodiment, a processing chamber is disclosed wherein at least one surface of the processing chamber has a coating comprising SivYwMgxAlyOz, wherein v ranges from about 0.0196 to 0.2951, w ranges from about 0.0131 to 0.1569, x ranges from about 0.0164 to 0.0784, y ranges from about 0.0197 to 0.1569, z ranges from about 0.5882 to 0.6557, and v+w+x+y+z=1.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: July 5, 2016
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ren-Guan Duan, Juan Carlos Rocha-Alvarez, Jianhua Zhou, Ningli Liu, Yihong Chen, Abhijit Basu Mallick, Sudhir R. Gondhalekar
  • Publication number: 20160179609
    Abstract: A bad sector repair method includes receiving a first write operation instruction sent by a host, reading data of a physical page including the first sector according to a logical block address (LBA) of a first sector included in the first write operation instruction, allocating storage space with a same size as the physical page in a cache and setting data in the storage space to preset data when reading the data of the physical page fails, updating preset data of a storage area corresponding to the first sector and in the storage space with data that needs to be written to the first sector, and writing data in the storage space to the physical page to repair the first sector.
    Type: Application
    Filed: February 29, 2016
    Publication date: June 23, 2016
    Inventors: Meng Zhou, Yan Li, Jianhua Zhou
  • Publication number: 20160093521
    Abstract: A method and apparatus for heating a substrate in a chamber are provided. an apparatus for positioning a substrate in a processing chamber. In one embodiment, the apparatus comprises a substrate support assembly having a support surface adapted to receive the substrate and a plurality of centering members for supporting the substrate at a distance parallel to the support surface and for centering the substrate relative to a reference axis substantially perpendicular to the support surface. The plurality of the centering members are movably disposed along a periphery of the support surface, and each of the plurality of centering members comprises a first end portion for either contacting or supporting a peripheral edge of the substrate.
    Type: Application
    Filed: October 5, 2015
    Publication date: March 31, 2016
    Inventors: Dale R. DU BOIS, Juan Carlos ROCHA-ALVAREZ, Sanjeev BALUJA, Ganesh BALASUBRAMANIAN, Lipyeow YAP, Jianhua ZHOU, Thomas NOWAK
  • Publication number: 20160049323
    Abstract: Embodiments of the present disclosure provide an electrostatic chuck for maintaining a flatness of a substrate being processed in a plasma reactor at high temperatures. In one embodiment, the electrostatic chuck comprises a chuck body coupled to a support stem, the chuck body having a substrate supporting surface, and the chuck body has a volume resistivity value of about 1×107 ohm-cm to about 1×1015 ohm-cm in a temperature of about 250° C. to about 700° C., and an electrode embedded in the body, the electrode is coupled to a power supply. In one example, the chuck body is composed of an aluminum nitride material which has been observed to be able to optimize chucking performance around 600° C. or above during a deposition or etch process, or any other process that employ both high operating temperature and substrate clamping features.
    Type: Application
    Filed: August 12, 2015
    Publication date: February 18, 2016
    Inventors: Zheng John YE, Jay D. PINSON, II, Hiroji HANAWA, Jianhua ZHOU, Xing LIN, Ren-Guan DUAN, Kwangduk Douglas LEE, Bok Hoen KIM, Swayambhu P. BEHERA, Sungwon HA, Ganesh BALASUBRAMANIAN, Juan Carlos ROCHA- ALVAREZ, Prashant Kumar KULSHRESHTHA, Jason K. FOSTER, Mukund SRINIVASAN, Uwe P. HALLER, Hari K. PONNEKANTI
  • Publication number: 20160017487
    Abstract: A method of processing a substrate includes positioning the substrate within a processing zone of a processing chamber and removing an oxide layer from a surface of the substrate by introducing first radicals into the processing zone. The method further includes, after removing the oxide layer, introducing at least one first precursor gas into the processing zone and depositing at least one dielectric layer onto the surface by exposing the at least one first precursor gas to second radicals. After positioning the substrate within the processing zone, the substrate is not removed from the processing chamber until each of removing the oxide layer and depositing the at least one dielectric layer is performed.
    Type: Application
    Filed: August 28, 2014
    Publication date: January 21, 2016
    Inventors: Yihong CHEN, Shaunak MUKHERJEE, Martin Jay SEAMONS, Kelvin CHAN, Abhijit Basu MALLICK, Bok Hoen KIM, Jianhua ZHOU
  • Publication number: 20160017497
    Abstract: A method of processing a substrate according to a PECVD process is described. Temperature profile of the substrate is adjusted to change deposition rate profile across the substrate. Plasma density profile is adjusted to change deposition rate profile across the substrate. Chamber surfaces exposed to the plasma are heated to improve plasma density uniformity and reduce formation of low quality deposits on chamber surfaces. In situ metrology may be used to monitor progress of a deposition process and trigger control actions involving substrate temperature profile, plasma density profile, pressure, temperature, and flow of reactants.
    Type: Application
    Filed: September 29, 2015
    Publication date: January 21, 2016
    Inventors: NAGARAJAN RAJAGOPALAN, Xinhai HAN, Michael TSIANG, Masaki OGATA, Zhijun JIANG, Juan Carlos ROCHA-ALVAREZ, Thomas NOWAK, Jianhua ZHOU, Ramprakash SANKARAKRISHNAN, Amit Kumar BANSAL, Jeongmin LEE, Todd EGAN, Edward BUDIARTO, Dmitriy PANASYUK, Terrance Y. LEE, Jian J. CHEN, Mohamad A. AYOUB, Heung Lak PARK, Patrick REILLY, Shahid SHAIKH, Bok Hoen KIM, Sergey STARIK, Ganesh BALASUBRAMANIAN
  • Publication number: 20160021050
    Abstract: A dynamic message system that the receiver is able to set the criteria to receive messages and the sender sends messages with geographic location and valid period of time attached.
    Type: Application
    Filed: July 19, 2014
    Publication date: January 21, 2016
    Inventors: Jianhua Zhou, Shuangjin Xia
  • Publication number: 20160017495
    Abstract: Embodiments disclosed herein generally include methods for forming porous low k dielectric films. In one embodiment, a method of forming a porous low k dielectric film on a substrate using PECVD and in situ radical curing in a processing chamber is disclosed. The method includes introducing radicals into a processing region of the processing chamber, introducing a gas mixture into the processing region of the processing chamber, forming a plasma in the processing region and depositing the porous low k dielectric film on the substrate.
    Type: Application
    Filed: July 15, 2015
    Publication date: January 21, 2016
    Inventors: Yihong CHEN, Kelvin CHAN, Martin Jay SEAMONS, Shaunak MUKHERJEE, Abhijit Basu MALLICK, Jianhua ZHOU, Kang Sub YIM
  • Publication number: 20160002779
    Abstract: A method and apparatus for a heated pedestal is provided. In one embodiment, the heated pedestal includes a body comprising a ceramic material, a plurality of heating elements encapsulated within the body, and one or more grooves formed in a surface of the body adjacent each of the plurality of heating elements, at least one side of the grooves being bounded by a ceramic plate.
    Type: Application
    Filed: June 12, 2015
    Publication date: January 7, 2016
    Inventors: XING LIN, Bozhi YANG, Jianhua ZHOU, Dale R. DUBOIS, Juan Carlos ROCHA-ALVAREZ, Ramprakash SANKARAKRISHNAN
  • Publication number: 20150376788
    Abstract: Embodiments disclosed herein generally include an apparatus for radical-based deposition of dielectric films. The apparatus includes a processing chamber, a radical source coupled to the processing chamber, a substrate support disposed in the processing chamber, and a dual-channel showerhead disposed between the radical source and the substrate support. The dual-channel showerhead includes a plurality of tubes and an internal volume surrounding the plurality of tubes. The plurality of tubes and the internal volume are surrounded by one or more annular channels embedded in the dual-channel showerhead. The dual-channel showerhead further includes a first inlet connected to the one or more channels and a second inlet connected to the internal volume. The processing chamber may be a PECVD chamber, and the apparatus is capable of performing a cyclic process (alternating radical based CVD and PECVD).
    Type: Application
    Filed: August 26, 2014
    Publication date: December 31, 2015
    Inventors: Jianhua ZHOU, Juan Carlos ROCHA-ALVAREZ, Yihong CHEN, Abhijit Basu MALLICK, Oscar LOPEZ, Ningli LIU
  • Publication number: 20150381075
    Abstract: A direct current voltage conversion device includes a direct current to alternating current converter, a transformer, a first converter switch, a second converter switch and a clamping circuit. The clamping circuit clamps a voltage across the second converter switch to a preset value, and stores energy of a voltage peak across the second converter switch.
    Type: Application
    Filed: September 22, 2014
    Publication date: December 31, 2015
    Inventors: Peng QU, Jianhua ZHOU, Zhihong YE
  • Publication number: 20150376780
    Abstract: Implementations described herein protect a substrate support from corrosive cleaning gases used at high temperatures. In one embodiment, a substrate support has a shaft and a heater. The heater has a body. The body has a top surface, a side surface and a bottom surface. The top surface is configured to support a substrate during plasma processing of the substrate. A covering is provided for at least two of the top surface, side surface and bottom surface. The covering is selected to resist corrosion of the body at temperatures in excess of about 400 degrees Celsius.
    Type: Application
    Filed: August 20, 2014
    Publication date: December 31, 2015
    Inventors: Abdul Aziz KHAJA, Ren-Guan DUAN, Amit Kumar BANSAL, Jianhua ZHOU, Juan Carlos ROCHA-ALVAREZ
  • Publication number: 20150371881
    Abstract: Embodiments of the present disclosure generally provide apparatus and methods for monitoring one or more process parameters, such as temperature of substrate support, at various locations. One embodiment of the present disclosure provides a sensor column for measuring one or more parameters in a processing chamber. The sensor column includes a tip for contacting a chamber component being measured, a protective tube having an inner volume extending from a first end and second end, wherein the tip is attached to the first end of the protective tube and seals the protective tube at the first end, and a sensor disposed near the tip. The inner volume of the protective tube houses connectors of the sensor, and the tip is positioned in the processing chamber through an opening of the processing chamber during operation.
    Type: Application
    Filed: February 7, 2014
    Publication date: December 24, 2015
    Inventors: Dale R. DU BOIS, Bozhi YANG, Jianhua ZHOU, Sanjeev BALUJA, Amit Kumar BANSAL, Juan Carlos ROCHA-ALVAREZ
  • Patent number: 9157730
    Abstract: A method of processing a substrate according to a PECVD process is described. Temperature profile of the substrate is adjusted to change deposition rate profile across the substrate. Plasma density profile is adjusted to change deposition rate profile across the substrate. Chamber surfaces exposed to the plasma are heated to improve plasma density uniformity and reduce formation of low quality deposits on chamber surfaces. In situ metrology may be used to monitor progress of a deposition process and trigger control actions involving substrate temperature profile, plasma density profile, pressure, temperature, and flow of reactants.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: October 13, 2015
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Nagarajan Rajagopalan, Xinhai Han, Michael Tsiang, Masaki Ogata, Zhijun Jiang, Juan Carlos Rocha-Alvarez, Thomas Nowak, Jianhua Zhou, Ramprakash Sankarakrishnan, Ganesh Balasubramanian, Amit Kumar Bansal, Jeongmin Lee, Todd Egan, Edward Budiarto, Dmitriy Panasyuk, Terrance Y. Lee, Jian J. Chen, Mohamad A. Ayoub, Heung Lak Park, Patrick Reilly, Shahid Shaikh, Bok Hoen Kim, Sergey Starik
  • Publication number: 20150288289
    Abstract: A power conversion device includes a full-bridge switch circuit, a converter circuit, and a control circuit. The full-bridge switch circuit is operable to convert a direct current input voltage to a converted voltage. The converter circuit converts the converted voltage into a direct current output voltage. The converter circuit includes a resonant inductor, a transformer, a first converter switch, a second converter switch, an output inductor, and an output capacitor. The direct current output voltage is provided across the output capacitor. The control circuit controls the full-bridge switch circuit, the first converter switch and the second converter switch based on the direct current output voltage and a reference voltage.
    Type: Application
    Filed: September 18, 2014
    Publication date: October 8, 2015
    Inventors: PENG QU, JIANHUA ZHOU, ZHIHONG YE
  • Publication number: 20150226540
    Abstract: Apparatus and method of processing a substrate according to a PECVD process is described. Temperature profile of the substrate is adjusted to change deposition rate profile across the substrate. Plasma density profile is adjusted to change deposition rate profile across the substrate. Chamber surfaces exposed to the plasma are heated to improve plasma density uniformity and reduce formation of low quality deposits on chamber surfaces. In situ metrology may be used to monitor progress of a deposition process and trigger control actions involving substrate temperature profile, plasma density profile, pressure, temperature, and flow of reactants.
    Type: Application
    Filed: October 23, 2013
    Publication date: August 13, 2015
    Applicant: Applied Materials, Inc.
    Inventors: Nagarajan Rajagopalan, Xinhai Han, Michael Tsiang, Masaki Ogata, Zhijun Jiang, Juan Carlos Rocha-Alvarez, Thomas Nowak, Jianhua Zhou, Ramprakash Sankarakrishnan, Ganesh Balasubramanian, Amit Kumar Bansal, Jeongmin Lee, Todd Egan, Edward Budiarto, Dmitriy Panasyuk, Terrance Y. Lee, Jian J. Chen, Mohamad A. Ayoub, Heung Lak Park, Patrick Reilly, Shahid Shaikh, Bok Hoen Kim, Sergey Starik
  • Publication number: 20150221480
    Abstract: In one embodiment, a processing chamber is disclosed wherein at least one surface of the processing chamber has a coating comprising SivYwMgxAlyOz, wherein v ranges from about 0.0196 to 0.2951, w ranges from about 0.0131 to 0.1569, x ranges from about 0.0164 to 0.0784, y ranges from about 0.0197 to 0.1569, z ranges from about 0.5882 to 0.6557, and v+w+x+y+z=1.
    Type: Application
    Filed: January 21, 2015
    Publication date: August 6, 2015
    Inventors: Ren-Guan DUAN, Juan Carlos ROCHA-ALVAREZ, Jianhua ZHOU, Ningli LIU, Yihong CHEN, Abhijit Basu MALLICK, Sudhir R. GONDHALEKAR