Patents by Inventor Xuefeng Hua

Xuefeng Hua 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).

  • Patent number: 11964096
    Abstract: Disclosed is an integrated sealed micro-mesh nebulization module, which includes: an nebulization device and a nozzle mechanism disposed on the nebulization device, the nozzle mechanism disposed on the nebulization device is detachably connected with the nebulization device; the nebulization module comprises an annular base, a lower shell disposed in the annular base, an upper shell disposed on the lower shell, a micro-mesh nebulization sheet disposed on the lower shell, a first sealing ring and a second sealing ring respectively disposed on both sides of the micro-mesh nebulization sheet, and a metal contact disposed between the lower shell and the upper shell, with one end connected with the micro-mesh nebulization sheet through a wire, and the other end extending to an exterior of the lower shell and connected with an external driving circuit.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 23, 2024
    Assignee: Feellife Health INC.
    Inventors: Jian Hua, Xuefeng Song
  • Publication number: 20230352278
    Abstract: A plasma-exclusion-zone ring for a substrate processing system that is configured to process a substrate includes a ring-shaped body, an upper portion of the ring-shaped body, a base and a plasma-exclusion-zone ring notch. The upper portion of the ring-shaped body defines a radially inner surface and a top surface. The base of the ring-shaped body defines a radially outer surface, a first bottom surface extending radially inward from the radially outer surface, and a second bottom surface extending radially inward from the first bottom surface. The plasma-exclusion-zone ring notch is proportional to an alignment notch of the substrate. The first bottom surface is tapered and extends at an acute angle from the second bottom surface to the radially outer surface. The first bottom surface is configured to extend over and oppose a periphery of the substrate.
    Type: Application
    Filed: March 26, 2021
    Publication date: November 2, 2023
    Inventors: Xuefeng HUA, Jack CHEN, Gnanamani AMBUROSE, Dan ZHANG, Chang-Wei HUANG, Chia-Shin LIN
  • Publication number: 20230317445
    Abstract: Semiconductor processing methods and apparatuses are provided. Some methods include providing a first wafer to a processing chamber, the first wafer having a thickness, a beveled edge, a first side, and a plurality of devices formed in a device area on the first side, the device area having an outer perimeter, depositing an annular ring of material on the first wafer, the annular ring of material covering a region of the beveled edge and the outer perimeter of the device area, and having an inner boundary closer to the center point of the first wafer than the outer perimeter, bonding a second substrate to the plurality of devices and to a portion of the annular ring of material, and thinning the thickness of the first wafer.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 5, 2023
    Inventors: Xuefeng Hua, Jack Chen, Ian Scot Latchford, Chia-Shin Lin, Chanthavisa Keovisai
  • Publication number: 20230215692
    Abstract: Methods and systems for processing a bevel edge of a wafer in a bevel plasma chamber. The method includes receiving a pulsed mode setting for a RF generator of the bevel plasma chamber. The method includes identifying a duty cycle for the pulsed mode, the duty cycle defining an ON time and an OFF time during each cycle of power delivered by the generator. The method includes calculating or accessing a compensation factor to an input RF power setting of the generator. The compensation factor is configured to add an incremental amount of power to the input power setting to account for a loss in power attributed to the duty cycle to be run in the pulsed mode. The method is configured to run the generator in the pulse mode with the duty cycle and the pulsing frequency.
    Type: Application
    Filed: August 12, 2021
    Publication date: July 6, 2023
    Inventors: Xuefeng Hua, Wei Yi Luo, Jack Chen
  • Patent number: 9472416
    Abstract: Methods for surface interface engineering in semiconductor fabrication are provided herein. In some embodiments, a method of processing a substrate disposed atop a substrate support in a processing volume of a processing chamber includes: generating an ion species from an inductively coupled plasma formed within the processing volume of the processing chamber from a first process gas; exposing a first layer of the substrate to the ion species to form an ammonium fluoride (NH4F) film atop the first layer, wherein the first layer comprises silicon oxide; and heating the substrate to a second temperature at which the ammonium fluoride film reacts with the first layer to selectively etch the silicon oxide.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: October 18, 2016
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jim Zhongyi He, Ping Han Hsieh, Melitta Manyin Hon, Chun Yan, Xuefeng Hua
  • Publication number: 20150111389
    Abstract: Methods for surface interface engineering in semiconductor fabrication are provided herein. In some embodiments, a method of processing a substrate disposed atop a substrate support in a processing volume of a processing chamber includes: generating an ion species from an inductively coupled plasma formed within the processing volume of the processing chamber from a first process gas; exposing a first layer of the substrate to the ion species to form an ammonium fluoride (NH4F) film atop the first layer, wherein the first layer comprises silicon oxide; and heating the substrate to a second temperature at which the ammonium fluoride film reacts with the first layer to selectively etch the silicon oxide.
    Type: Application
    Filed: October 3, 2014
    Publication date: April 23, 2015
    Inventors: JIM ZHONGYI HE, PING HAN HSIEH, MELITTA MANYIN HON, CHUN YAN, XUEFENG HUA
  • Patent number: 8569868
    Abstract: A structure for a semiconductor device is disclosed. The structure includes a first feature and a second feature. The first feature and the second feature are formed simultaneously in a single etch process from a same monolithic substrate layer and are integrally and continuously connected to each other. The first feature has a width dimension of less than a minimum feature size achievable by lithography and the second feature has a width dimension of at least equal to a minimum feature size achievable by lithography.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: October 29, 2013
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Bruce B. Doris, Steven J. Holmes, Xuefeng Hua, Ying Zhang
  • Patent number: 8536630
    Abstract: In an embodiment, a method of fabricating a transistor device comprises: providing a semiconductor topography comprising a gate conductor disposed above a semiconductor substrate between a pair of dielectric spacers; anisotropically etching exposed regions of the semiconductor substrate on opposite sides of the dielectric spacers to form recessed regions in the substrate; oxidizing exposed surfaces of the substrate in the recessed regions to form an oxide thereon; removing the oxide from bottoms of the recessed regions while retaining the oxide upon sidewalls of the recessed regions; and isotropically etching the substrate such that the recessed regions undercut the pair of dielectric spacers.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: September 17, 2013
    Assignee: International Business Machines Corporation
    Inventors: John C. Arnold, Xuefeng Hua, Rangarajan Jagannathan, Stefan Schmitz
  • Patent number: 8525186
    Abstract: Disclosed are embodiments of a method of forming, on an SOI wafer, a planar FET with embedded and faceted source/drain stressors. The method incorporates a directional ion implant process to create amorphous regions at the bottom surfaces of source/drain recesses in a single crystalline semiconductor layer of an SOI wafer. Then, an etch process selective to different crystalline planes over others and further selective to single crystalline semiconductor material over amorphous semiconductor material can be performed in order to selectively adjust the shape (i.e., the profile) of the recess sidewalls without increasing the depth of the recesses. Subsequently, an anneal process can be performed to re-crystallize the amorphous regions and an epitaxial deposition process can be used to fill the recesses with source/drain stressor material. Also disclosed are embodiments of a planar FET structure and a design structure for the planar FET.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: September 3, 2013
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Johnathan E. Faltermeier, Toshiharu Furukawa, Xuefeng Hua
  • Patent number: 8513718
    Abstract: A transistor device includes a gate conductor spaced above a semiconductor substrate by a gate dielectric, wherein the semiconductor substrate comprises a channel region underneath the gate conductor and recessed regions on opposite sides of the channel region, wherein the channel region comprises undercut areas under the gate conductor; a stressed material embedded in the undercut areas of the channel region under the gate conductor; and epitaxially grown source and drain regions disposed in the recessed regions of the semiconductor substrate laterally adjacent to the stressed material.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: August 20, 2013
    Assignee: International Business Machines Corporation
    Inventors: Johnathan E. Faltermeier, Judson R. Holt, Xuefeng Hua
  • Publication number: 20130012025
    Abstract: A method for fabrication of features for an integrated circuit includes patterning a mandrel layer to include structures having a plurality of different widths on a surface of an integrated circuit device. Exposed sidewalls of the structures are reacted to integrally form a new compound in the sidewalls such that the new compound extends into the exposed sidewalls by a controlled amount to form pillars. One or more layers below the pillars are etched using the pillars as an etch mask to form features for an integrated circuit device.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: KANGGUO CHENG, BRUCE B. DORIS, STEVEN J. HOLMES, XUEFENG HUA, YING ZHANG
  • Patent number: 8324036
    Abstract: A method for fabrication of features for an integrated circuit includes patterning a mandrel layer to include structures having at least one width on a surface of an integrated circuit device. Exposed sidewalls of the structures are reacted to integrally form a new compound in the sidewalls such that the new compound extends into the exposed sidewalls by a controlled amount to form pillars. One or more layers below the pillars are etched using the pillars as an etch mask to form features for an integrated circuit device.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: December 4, 2012
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Bruce B. Doris, Steven J. Holmes, Xuefeng Hua, Ying Zhang
  • Publication number: 20120280365
    Abstract: A structure for a semiconductor device is disclosed. The structure includes a first feature and a second feature. The first feature and the second feature are formed simultaneously in a single etch process from a same monolithic substrate layer and are integrally and continuously connected to each other. The first feature has a width dimension of less than a minimum feature size achievable by lithography and the second feature has a width dimension of at least equal to a minimum feature size achievable by lithography.
    Type: Application
    Filed: July 18, 2012
    Publication date: November 8, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Bruce B. Doris, Steven J. Holmes, Xuefeng Hua, Ying Zhang
  • Patent number: 8216893
    Abstract: Stress enhanced transistor devices and methods of fabricating the same are disclosed. In one embodiment, a transistor device comprises: a gate conductor spaced above a semiconductor substrate by a gate dielectric, wherein the semiconductor substrate comprises a channel region underneath the gate conductor and recessed regions on opposite sides of the channel region, wherein the channel region comprises undercut areas under the gate conductor; a stressed material embedded in the undercut areas of the channel region under the gate conductor; and epitaxially grown source and drain regions disposed in the recessed regions of the semiconductor substrate laterally adjacent to the stressed material.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: July 10, 2012
    Assignee: International Business Machines Corporation
    Inventors: Johnathan E. Faltermeier, Judson R. Holt, Xuefeng Hua
  • Publication number: 20120168775
    Abstract: A transistor device includes a gate conductor spaced above a semiconductor substrate by a gate dielectric, wherein the semiconductor substrate comprises a channel region underneath the gate conductor and recessed regions on opposite sides of the channel region, wherein the channel region comprises undercut areas under the gate conductor; a stressed material embedded in the undercut areas of the channel region under the gate conductor; and epitaxially grown source and drain regions disposed in the recessed regions of the semiconductor substrate laterally adjacent to the stressed material.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 5, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Johnathan E. Faltermeier, Judson R. Holt, Xuefeng Hua
  • Publication number: 20120061684
    Abstract: In an embodiment, a method of fabricating a transistor device comprises: providing a semiconductor topography comprising a gate conductor disposed above a semiconductor substrate between a pair of dielectric spacers; anisotropically etching exposed regions of the semiconductor substrate on opposite sides of the dielectric spacers to form recessed regions in the substrate; oxidizing exposed surfaces of the substrate in the recessed regions to form an oxide thereon; removing the oxide from bottoms of the recessed regions while retaining the oxide upon sidewalls of the recessed regions; and isotropically etching the substrate such that the recessed regions undercut the pair of dielectric spacers.
    Type: Application
    Filed: November 21, 2011
    Publication date: March 15, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: John C. Arnold, Xuefeng Hua, Rangarajan Jagannathan, Stefan Schmitz
  • Patent number: 8084329
    Abstract: In an embodiment, a method of fabricating a transistor device comprises: providing a semiconductor topography comprising a gate conductor disposed above a semiconductor substrate between a pair of dielectric spacers; anisotropically etching exposed regions of the semiconductor substrate on opposite sides of the dielectric spacers to form recessed regions in the substrate; oxidizing exposed surfaces of the substrate in the recessed regions to form an oxide thereon; removing the oxide from bottoms of the recessed regions while retaining the oxide upon sidewalls of the recessed regions; and isotropically etching the substrate such that the recessed regions undercut the pair of dielectric spacers.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: December 27, 2011
    Assignee: International Business Machines Corporation
    Inventors: John C. Arnold, Xuefeng Hua, Rangarajan Jagannathan, Stefan Schmitz
  • Publication number: 20110291188
    Abstract: A FinFET is described incorporating at least two fins extending from a common Si containing layer and epitaxial material grown from the common layer and from sidewalls of the fins to introduce strain to the common layer and the fins to increase carrier mobility.
    Type: Application
    Filed: May 25, 2010
    Publication date: December 1, 2011
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Bruce B. Doris, Xuefeng Hua, Ying Zhang
  • Publication number: 20110204384
    Abstract: Disclosed are embodiments of a method of forming, on an SOI wafer, a planar FET with embedded and faceted source/drain stressors. The method incorporates a directional ion implant process to create amorphous regions at the bottom surfaces of source/drain recesses in a single crystalline semiconductor layer of an SOI wafer. Then, an etch process selective to different crystalline planes over others and further selective to single crystalline semiconductor material over amorphous semiconductor material can be performed in order to selectively adjust the shape (i.e., the profile) of the recess sidewalls without increasing the depth of the recesses. Subsequently, an anneal process can be performed to re-crystallize the amorphous regions and an epitaxial deposition process can be used to fill the recesses with source/drain stressor material. Also disclosed are embodiments of a planar FET structure and a design structure for the planar FET.
    Type: Application
    Filed: May 5, 2011
    Publication date: August 25, 2011
    Applicant: International Business Machines Corporation
    Inventors: Kangguo Cheng, Johnathan E. Faltermeier, Toshiharu Furukawa, Xuefeng Hua
  • Patent number: 7951657
    Abstract: Disclosed are embodiments of a method of forming, on an SOI wafer, a planar FET with embedded and faceted source/drain stressors. The method incorporates a directional ion implant process to create amorphous regions at the bottom surfaces of source/drain recesses in a single crystalline semiconductor layer of an SOI wafer. Then, an etch process selective to different crystalline planes over others and further selective to single crystalline semiconductor material over amorphous semiconductor material can be performed in order to selectively adjust the shape (i.e., the profile) of the recess sidewalls without increasing the depth of the recesses. Subsequently, an anneal process can be performed to re-crystallize the amorphous regions and an epitaxial deposition process can be used to fill the recesses with source/drain stressor material. Also disclosed are embodiments of a planar FET structure and a design structure for the planar FET.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: May 31, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Johnathan E. Faltermeier, Toshiharu Furukawa, Xuefeng Hua