Patents Assigned to VERSUM MATERIALS US, LLC
  • 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: 11713328
    Abstract: A method for producing an alkenyl or alkynyl-containing organosilicon precursor composition, the method comprising the steps of distilling at least once a composition comprising an alkenyl or alkynyl-containing organosilicon compound having the formula RnSiR14?n wherein R is selected a linear or branched C2 to C6 alkenyl group, a linear or branched C2 to C6 alkynyl group; R1 is selected from hydrogen, a linear or branched C1 to C10 alkyl group, and a C3 to C10 cyclic alkyl group; and n is a number selected from 1 to 4, wherein a distilled alkenyl or alkynyl-containing organosilicon precursor composition is produced after distilling; and packaging the distilled alkenyl or alkynyl-containing organosilicon precursor composition in a container, wherein the container permits transmission into the container of no more than 10% of ultraviolet and visible light having a wavelength of between 290 nm to 450 nm.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: August 1, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Robert G. Ridgeway, Raymond N. Vrtis, Xinjian Lei, Madhukar B. Rao, Steven Gerard Mayorga, Neil Osterwalder, Manchao Xiao, Meiliang Wang
  • Patent number: 11702743
    Abstract: Described herein are compositions and methods for forming silicon and oxygen containing films. In one aspect, the film is deposited from at least one precursor, wherein the at least one precursor selected from the group consisting of Formula C: as defined herein.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: July 18, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Matthew R. MacDonald, Meiliang Wang
  • 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
  • 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: 11670512
    Abstract: A method is disclosed for delectively depositing a material on a substrate wherein the substrate has at least two different surfaces wherein one surface is passivated thereby allowing selective deposition on the non-passivated surface. In particular, disclosed is a method for preparing a surface of a substrate for selective film deposition, wherein the surface of the substrate comprises at least a first surface comprising SiO2 and an initial concentration of surface hydroxyl groups and a second surface comprising SiH, the method comprising the steps of: contacting the substrate with a wet chemical composition to obtain a treated substrate comprising an increased concentration of surface hydroxyl groups relative to the initial concentration of surface hydroxyl groups; and heating the treated substrate to a temperature of from about 200° C. to about 600° C.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 6, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventor: Michael A. Todd
  • Patent number: 11649547
    Abstract: A method for depositing a film comprising silicon and oxygen onto a substrate includes (a) providing a substrate in a reactor; (b) introducing into the reactor at least one silicon precursor compound selected from the group consisting of Formulae A, B, and C as described herein, (c) purging the reactor with a purge gas; (d) introducing at least one of an oxygen-containing source and a nitrogen-containing source into the reactor; and (e) purging the reactor with the purge gas, wherein the steps b through e are repeated until a desired thickness of resulting silicon-containing film is deposited; and (f) treating the resulting silicon-containing film with R3xSi(NR1R2)4-x wherein R1-3 are the same as aforementioned, preferably methyl or ethyl; and x=1, 2, or 3; and wherein the method is conducted at one or more temperatures ranging from about 20° C. to 300° C.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: May 16, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Meiliang Wang, Xinjian Lei, Haripin Chandra, Matthew R. MacDonald
  • 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: 11631580
    Abstract: In one aspect, the invention is formulations comprising both organoaminohafnium and organoaminosilane precursors that allows anchoring both silicon-containing fragments and hafnium-containing fragments onto a given surface having hydroxyl groups to deposit silicon doped hafnium oxide having a silicon doping level ranging from 0.5 to 8 mol %, preferably 2 to 6 mol %, most preferably 3 to 5 mol %, suitable as ferroelectric material. In another aspect, the invention is methods and systems for depositing the silicon doped hafnium oxide films using the formulations.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: April 18, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Matthew R. MacDonald, Moo-Sung Kim, Se-Won Lee
  • Patent number: 11626279
    Abstract: Described herein are low temperature processed high quality silicon containing films. Also disclosed are methods of forming silicon containing films at low temperatures. In one aspect, there are provided silicon-containing film having a thickness of about 2 nm to about 200 nm and a density of about 2.2 g/cm3 or greater wherein the silicon-containing thin film is deposited by a deposition process selected from a group consisting of chemical vapor deposition (CVD), plasma enhanced chemical vapor deposition (PECVD), cyclic chemical vapor deposition (CCVD), plasma enhanced cyclic chemical vapor deposition (PECCVD, atomic layer deposition (ALD), and plasma enhanced atomic layer deposition (PEALD), and the vapor deposition is conducted at one or more temperatures ranging from about 25° C. to about 400° C. using an alkylsilane precursor selected from the group consisting of diethylsilane, triethylsilane, and combinations thereof.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: April 11, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Anupama Mallikarjunan, Andrew David Johnson, Meiliang Wang, Raymond Nicholas Vrtis, Bing Han, Xinjian Lei, Mark Leonard O'Neill
  • Publication number: 20230103933
    Abstract: A method for making a dense organosilicon film with improved mechanical properties, the method comprising the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber a gaseous composition comprising hydrido-dimethyl-alkoxysilane; and applying energy to the gaseous composition comprising hydrido-dimethyl-alkoxysilane in the reaction chamber to induce reaction of the gaseous composition comprising hydrido-dimethyl-alkoxysilane to deposit an organosilicon film on the substrate, wherein the organosilicon film has a dielectric constant from ˜2.70 to ˜3.50, an elastic modulus of from ˜6 to ˜36 GPa, and an at. % carbon from ˜10 to ˜36 as measured by XPS.
    Type: Application
    Filed: March 29, 2021
    Publication date: April 6, 2023
    Applicant: VERSUM MATERIALS US, LLC
    Inventors: MANCHAO XIAO, ENTLEY WILLIAM ROBERT, DANIEL P. SPENCE, RAYMOND NICHOLAS VRTIS, JENNIFER LYNN ANNE ACHTYL, ROBERT GORDON RIDGEWAY, XINJIAN LEI
  • Publication number: 20230098293
    Abstract: A compact valve block for a chemical container wherein the coaxial valve block has a housing that can accommodate three valve control mechanisms thus allowing for quick and effective purging without the need for an additional external conduit, valves, and coaxial injector. The advantage is a greatly reduced amount of wetted surface area inside the valve block leading to a significant decrease in the time it takes to purge a system thus allowing for quicker times to change chemical containers.
    Type: Application
    Filed: March 3, 2021
    Publication date: March 30, 2023
    Applicant: VERSUM MATERIALS US, LLC
    Inventors: MASON SEIDL, MEREDITH ELAINE FLICKINGER, THOMAS WILLIAM PILTZ, SHAWN S. CABLE, DAVID EBELING, CHARLES MICHAEL BIRTCHER
  • 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
  • Patent number: 11605535
    Abstract: Described herein are boron-containing precursor compounds, and compositions and methods comprising same, for forming boron-containing films. In one aspect, the film is deposited from at least one precursor having the following Formula I or II described herein.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: March 14, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Moo-Sung Kim
  • Patent number: 11591692
    Abstract: Organoamino-polysiloxanes, which have at least three silicon atoms, oxygen atoms, as well as an organoamino group, and methods for making the organoamino-polysiloxanes are disclosed. Methods for depositing silicon and oxygen containing films using the organoamino-polysiloxanes are also disclosed.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: February 28, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Manchao Xiao, Matthew R. MacDonald, Daniel P. Spence, Meiliang Wang, Suresh Kalpatu Rajaraman
  • Publication number: 20230058258
    Abstract: An atomic layer deposition method for depositing a film into surface features of a substrate is disclosed. The method may include the step of placing the substrate having surface features into a reactor. An organic passivation agent may be introduced into the 5 reactor, which may react with a portion of exposed hydroxyl radicals within the surface features. Subsequently, unreacted organic passivation agent may be purged, and then a precursor may be introduced. The precursor may react with the remaining exposed hydroxyl radicals that did not interact with the organic passivation agent. Subsequently, the unreacted precursor may be purged, and an oxygen source or a nitrogen source may 10 be introduced into the reactor to form a film within the surface features.
    Type: Application
    Filed: December 22, 2020
    Publication date: February 23, 2023
    Applicant: VERSUM MATERIALS US, LLC
    Inventors: HARIPIN CHANDRA, XINJIAN LEI, DANIEL P. SPENCE, MANCHAO XIAO, RONALD MARTIN PEARLSTEIN, MATTHEW R. MACDONALD, MADHUKAR B. RAO
  • Patent number: 11584854
    Abstract: Described herein are compositions and methods for forming silicon oxide films. In one aspect, the film is deposited from at least one silicon precursor compound, wherein the at least one silicon precursor compound is selected from the following Formulae A and B: as defined herein.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 21, 2023
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Meiliang Wang, Matthew R. MacDonald, Richard Ho, Manchao Xiao, Suresh Kalpatu Rajaraman
  • Patent number: 11560533
    Abstract: Provided are formulations that offer a high cleaning effect on inorganic particles, organic residues, chemical residues, reaction products on the surface due to interaction of the wafer surface with the Chemical Mechanical Planarization (CMP) slurry and elevated levels of undesirable metals on the surface left on the semiconductor devices after the CMP. The post-CMP cleaning formulations comprise one or more organic acid, one or more polymer and a fluoride compound with pH<7 and optionally a surfactant with two sulfonic acid groups.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 24, 2023
    Assignee: VERSUM MATERIALS US, LLC
    Inventor: Dnyanesh C. Tamboli
  • 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