Patents by Inventor Xiaobo Shi

Xiaobo Shi 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: 20240142321
    Abstract: A soft pressure sensing apparatus is provided. In one aspect of the present pressure sensing apparatus, a polymeric member, including conductive particles therein, is located between offset angled and crossing sets of electrodes. A further aspect includes a controller configured to calculate at least one regularized least-squares algorithm, to reduce cross-talk between the resistive members. In another aspect, a pressure sensor apparatus includes a piezoresistive film encapsulated between layers of substantially perpendicular electrodes to create a resistor network circuit where the ability to reconstruct cell resistance from measured two-point resistance. A method of manufacturing a pressure sensor includes using a mechanical vinyl cutter for the electrodes and/or piezoelectric resistive members.
    Type: Application
    Filed: October 10, 2023
    Publication date: May 2, 2024
    Applicant: Board of Trustees of Michigan State University
    Inventors: Xiaobo TAN, Hongyang SHI, Nelson SEPULVEDA, Claudia CHEN, Yu MEI
  • Publication number: 20240125966
    Abstract: A transient electromagnetic device with variable shape and turns includes squares, a transmitting coil carrying frame, a transmitting coil, a turns-variable device, a current generator and a working power supply. The transmitting coil carrying frame is arranged inside the transmitting coil; the transmitting coil carrying frame is configured as a carrier of the transmitting coil, and configured for adjusting a side length of the transmitting coil and a shape of the transmitting coil; the square is configured for clamping and connecting the transmitting coil and the transmitting coil carrying frame to fix the transmitting coil to the transmitting coil carrying frame. The current generator is configured for generating transient current; the turns-variable device is configured for changing the turns of the transmitting coil; and the transmitting coil is configured for transmitting the transient current to a target area to be measured.
    Type: Application
    Filed: December 28, 2022
    Publication date: April 18, 2024
    Inventors: Yuesheng LUAN, Shizhong CHEN, Xiaobo WANG, Jikai WANG, Geming ZENG, Gang SHI, Zhijian ZHANG, Liang LI, Jun ZHANG, Tianzhu XU, Liang ZHANG, Xiao PAN, Li XIAO, Zhou'e WANG, Yunfa ZHU, Liangzi YIDU, Yanian ZHANG, Jie LUO
  • Patent number: 11940435
    Abstract: The present invention relates to the technical field of identification on adulterated meat, and in particular, to a method for identifying raw meat and high-quality fake meat based on a gradual linear array change of a component. The present invention spatially characterizes changing rules of featured components in the meat with the utilization of sensitivities of the visible/near-infrared spectral signals to changes of the components in the meat and the advantage that spectral scanning can acquire optical signals of the samples spatially and consecutively, further constructs the identification model according to differences in components and spectra of a region of interest in the hyperspectral image by taking a derivative for characterizing rates of change of the featured components.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 26, 2024
    Assignee: Jiangsu University
    Inventors: Jiyong Shi, Xiaobo Zou, Yueying Wang, Xiaowei Huang, Zhihua Li, Xinai Zhang, Di Zhang
  • Publication number: 20240006189
    Abstract: Provided are Chemical Mechanical Planarization (CMP) compositions that offer high and tunable Cu removal rates and low Cu static etching rates for polishing the broad bulk or advanced node copper or Through Silica Via (TSV). The CMP compositions also provide high selectivity of Cu film vs. other barrier layers, such as Ta, TaN, Ti, TiN, and SiN; and dielectric films, such as TEOS, low-k, and ultra-low-k films. The CMP polishing compositions comprise abrasive, oxidizer, at least two chelators selected from the group consisting of amino acids, amino acid derivatives, and combinations therefore; the Cu static etching reducing agents include, but not limited to, organic alkyl sulfonic acids with straight or branched alkyl chains, and salts of organic alkyl sulfonic acids.
    Type: Application
    Filed: December 7, 2021
    Publication date: January 4, 2024
    Inventors: Xiaobo Shi, Hongjun Zhou, Robert Vacassy, Keh-Yeuan LI, Ming Shih Tsai, Rung-Je Yang
  • Publication number: 20230287242
    Abstract: A novel pad-in-a-bottle (PIB) technology for advanced chemical-mechanical planarization (CMP) Copper or THROUGH-SILICON VIA (TSV) CMP compositions, systems and processes has been disclosed. The role of conventional polishing pad asperities is played by high-quality micron-size polyurethane (PU) beads that are comparable to the sizes of pores and asperities in polishing pads.
    Type: Application
    Filed: July 26, 2021
    Publication date: September 14, 2023
    Inventors: XIAOBO SHI, MARK O'NEILL, JOHN LANGAN, YASA SAMPURNO, ARA PHILIPOSSIAN
  • Patent number: 11718767
    Abstract: Polishing compositions comprising ceria coated silica particles and organic acids having one selected from the group consisting of sulfonic acid group, phosphonic acid group, pyridine compound, and combinations thereof, with pH between 5 and 10 and electrical conductivity between 0.2 and 10 millisiemens per centimeter provide very high silicon oxide removal rates for advanced semiconductor device manufacturing.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: August 8, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Ming-Shih Tsai, Chia-Chien Lee, Rung-Je Yang, Anu Mallikarjunan, Chris Keh-Yeuan Li, Hongjun Zhou, Joseph D. Rose, Xiaobo Shi
  • Patent number: 11692110
    Abstract: Chemical mechanical planarization (CMP) polishing compositions, methods and systems are provided to reduce oxide trench dishing and improve over-polishing window stability. High and tunable silicon oxide removal rates, low silicon nitride removal rates, and tunable SiO2:SiN selectivity are also provided. The compositions use a unique combination of abrasives such as ceria coated silica particles and chemical additives such as maltitol, lactitol, maltotritol or combinations as oxide trench dishing reducing additives.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: July 4, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Publication number: 20230193079
    Abstract: Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic oxide particles, such as ceria-coated silica; and dual chemical additives for providing the tunable oxide film removal rates and tunable SiN film removal rates; low oxide trench dishing, and high oxide: SiN selectivity. Dual chemical additives comprise at least one silicone-containing compound comprising at least one of (1) ethylene oxide and propylene oxide (EO-PO) group, and at least one of substituted ethylene diamine group on the same molecule; and (2) at least one non-ionic organic molecule having at least two, preferably at least four hydroxyl functional groups.
    Type: Application
    Filed: May 25, 2021
    Publication date: June 22, 2023
    Inventors: XIAOBO SHI, KRISHNA P. MURELLA, JOSEPH D. ROSE, HONGJUN ZHOU, MARK LEONARD O'NEILL
  • Patent number: 11667839
    Abstract: Chemical mechanical planarization (CMP) polishing compositions, methods and systems are provided to reduce oxide trench dishing and improve over-polishing window stability. High and tunable silicon oxide removal rates, low silicon nitride removal rates, and tunable SiO2:SiN selectivity are also provided. The compositions use unique chemical additives, such as maltitol, lactitol, maltotritol, ribitol, D-sorbitol, mannitol, dulcitol, iditol, D-(?)-Fructose, sorbitan, sucrose, ribose, Inositol, glucose, D-arabinose, L-arabinose, D-mannose, L-mannose, meso-erythritol, beta-lactose, arabinose, or combinations thereof as oxide trench dishing reducing additives.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: June 6, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Patent number: 11643599
    Abstract: This invention pertains to slurries, methods and systems that can be used in chemical mechanical planarization (CMP) of tungsten containing semiconductor device. Using the CMP slurries with additives to counter lowering of pH by tungsten polishing byproducts and maintain pH 4 or higher, the erosion of dense metal (such as tungsten) structures can be greatly diminished.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: May 9, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Chun Lu, Xiaobo Shi, Dnyanesh Chandrakant Tamboli, Reinaldo Mario Machado, Mark Leonard O'Neill, Matthias Stender
  • Patent number: 11608451
    Abstract: Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic metal oxide particles, such as ceria-coated silica; and dual chemical additives for providing the tunable oxide film removal rates and tunable SiN film removal rates. Chemical additives comprise at least one nitrogen-containing aromatic heterocyclic compound and at least one non-ionic organic molecule having more than one hydroxyl functional group organic.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: March 21, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Publication number: 20230020073
    Abstract: High oxide film removal rate Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods, and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic oxide particles, such as ceria-coated silica; and a chemical additive for providing a high oxide film removal rate. The chemical additive is a gelatin molecule possessing negative and positive charges on the same molecule.
    Type: Application
    Filed: December 2, 2020
    Publication date: January 19, 2023
    Applicant: Versum Materials US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Patent number: 11549034
    Abstract: The present invention provides Chemical Mechanical Planarization Polishing (CMP) compositions for Shallow Trench Isolation (STI) applications. The CMP compositions contain ceria coated inorganic metal oxide particles as abrasives, such as ceria-coated silica particles; chemical additive selected from the first group of non-ionic organic molecules multi hydroxyl functional groups in the same molecule; chemical additives selected from the second group of aromatic organic molecules with sulfonic acid group or sulfonate salt functional groups and combinations thereof; water soluble solvent; and optionally biocide and pH adjuster; wherein the composition has a pH of 2 to 12, preferably 3 to 10, and more preferably 4 to 9.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: January 10, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Publication number: 20220332978
    Abstract: Copper chemical mechanical planarization (CMP) polishing formulation, method and system are disclosed. The CMP polishing formulation comprises abrasive particles of specific morphology and mean particle sizes (?100 nm, ?50 nm, ?40 nm, ?30 nm, or ?20 nm), at least two or more amino acids, oxidizer, corrosion inhibitor, and water.
    Type: Application
    Filed: September 28, 2020
    Publication date: October 20, 2022
    Applicant: Versum Materials US, LLC
    Inventors: KEH-YEUAN LI, MING SHIH TSAI, XIAOBO SHI, RUNG-JE YANG, CHEN YUAN HUANG, LAURA M. MATZ
  • Patent number: 11401441
    Abstract: Provided are Chemical Mechanical Planarization (CMP) formulations that offer high and tunable Cu removal rates and low copper dishing for the broad or advanced node copper or Through Silica Via (TSV). The CMP compositions provide high selectivity of Cu film vs. other barrier layers, such as Ta, TaN, Ti, and TiN, and dielectric films, such as TEOS, low-k, and ultra low-k films. The CMP polishing formulations comprise solvent, abrasive, at least three chelators selected from the group consisting of amino acids, amino acid derivatives, organic amine, and combinations therefor; wherein at least one chelator is an amino acid or an amino acid derivative. Additionally, organic quaternary ammonium salt, corrosion inhibitor, oxidizer, pH adjustor and biocide are used in the formulations.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: August 2, 2022
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Laura M. Matz, Chris Keh-Yeuan Li, Ming-Shih Tsai, Pao-Chia Pan, Chad Chang-Tse Hsieh, Rung-Je Yang, Blake J. Lew, Mark Leonard O'Neill, Agnes Derecskei
  • Publication number: 20220195245
    Abstract: Chemical Mechanical Planarization (CMP) polishing compositions, methods and systems are used to polish low-k or ultra-low-k films with reasonable high removal rates while to polish oxide and nitride films with relative low removal rates. The compositions use 5 abrasive, chemical additives to boost low-k or ultra-low-k film removal rates and suppress oxide and nitride film removal rates for achieving high selectivity, such as low-: TEOS, ultra-low-K: TEOS, and low-k: SiN or ultra-low-k: SiN.
    Type: Application
    Filed: April 16, 2020
    Publication date: June 23, 2022
    Applicant: Versum Materials US, LLC
    Inventors: Xiaobo Shi, Chia-Chien Lee, Mark Leonard O'Neill
  • Patent number: 11326076
    Abstract: Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic metal oxide particles, such as ceria-coated silica; and dual chemical additives for providing high oxide film removal rate. The dual chemical additives comprise gelatin compounds possessing negative and positive charges on the same molecule, and non-ionic organic molecules having multi hydroxyl functional groups in the same molecule.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 10, 2022
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Patent number: 11254839
    Abstract: The present invention discloses STI CMP polishing compositions, methods and systems that significantly reduce oxide trench dishing and improve over-polishing window stability in addition to provide high and tunable silicon oxide removal rates, low silicon nitride removal rates, and tunable high selectivity of SiO2:SiN through the use of an unique combination of ceria inorganic oxide particles, such as ceria coated silica particles as abrasives, and an oxide trench dishing reducing additive of poly(methacrylic acids), its derivatives, its salts, or combinations thereof.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 22, 2022
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Joseph D. Rose, Hongjun Zhou, Krishna P. Murella, Mark Leonard O'Neill
  • Patent number: 11180678
    Abstract: Present invention provides Chemical Mechanical Planarization Polishing (CMP) compositions for Shallow Trench Isolation (STI) applications. The CMP compositions contain ceria coated inorganic oxide particles as abrasives, such as ceria-coated silica particles; chemical additive selected from the group consisting of an organic acetylene molecule containing an acetylene bond and at least two or multi ethoxylate functional groups with terminal hydroxyl groups, an organic molecule with at least two or multi hydroxyl functional groups in the same molecule, and combinations thereof; water soluble solvent; and optionally biocide and pH adjuster; wherein the composition has a pH of 2 to 12, preferably 3 to 10, and more preferably 4 to 9.
    Type: Grant
    Filed: October 27, 2019
    Date of Patent: November 23, 2021
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
  • Publication number: 20210324270
    Abstract: Chemical mechanical planarization (CMP) polishing compositions, methods and systems are provided to reduce oxide trench dishing and improve over-polishing window stability. High and tunable silicon oxide removal rates, low silicon nitride removal rates, and tunable SiO2:SiN selectivity are also provided. The compositions use unique chemical additives, such as maltitol, lactitol, maltotritol, ribitol, D-sorbitol, mannitol, dulcitol, iditol, D-(?)-Fructose, sorbitan, sucrose, ribose, Inositol, glucose, D-arabinose, L-arabinose, D-mannose, L-mannose, meso-erythritol, beta-lactose, arabinose, or combinations thereof as oxide trench dishing reducing additives.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 21, 2021
    Applicant: Versum Materials US, LLC
    Inventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill