Patents Assigned to VERSUM MATERIALS US, LLC
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Patent number: 11667839Abstract: 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: GrantFiled: June 22, 2021Date of Patent: June 6, 2023Assignee: Versum Materials US, LLCInventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
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Patent number: 11649547Abstract: 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: GrantFiled: February 4, 2020Date of Patent: May 16, 2023Assignee: Versum Materials US, LLCInventors: Meiliang Wang, Xinjian Lei, Haripin Chandra, Matthew R. MacDonald
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Patent number: 11643599Abstract: 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: GrantFiled: July 12, 2019Date of Patent: May 9, 2023Assignee: VERSUM MATERIALS US, LLCInventors: Chun Lu, Xiaobo Shi, Dnyanesh Chandrakant Tamboli, Reinaldo Mario Machado, Mark Leonard O'Neill, Matthias Stender
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Patent number: 11631580Abstract: 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: GrantFiled: July 14, 2021Date of Patent: April 18, 2023Assignee: Versum Materials US, LLCInventors: Xinjian Lei, Matthew R. MacDonald, Moo-Sung Kim, Se-Won Lee
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Patent number: 11626279Abstract: 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: GrantFiled: March 8, 2013Date of Patent: April 11, 2023Assignee: Versum Materials US, LLCInventors: Anupama Mallikarjunan, Andrew David Johnson, Meiliang Wang, Raymond Nicholas Vrtis, Bing Han, Xinjian Lei, Mark Leonard O'Neill
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Publication number: 20230103933Abstract: 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: ApplicationFiled: March 29, 2021Publication date: April 6, 2023Applicant: VERSUM MATERIALS US, LLCInventors: MANCHAO XIAO, ENTLEY WILLIAM ROBERT, DANIEL P. SPENCE, RAYMOND NICHOLAS VRTIS, JENNIFER LYNN ANNE ACHTYL, ROBERT GORDON RIDGEWAY, XINJIAN LEI
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Publication number: 20230098293Abstract: 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: ApplicationFiled: March 3, 2021Publication date: March 30, 2023Applicant: VERSUM MATERIALS US, LLCInventors: MASON SEIDL, MEREDITH ELAINE FLICKINGER, THOMAS WILLIAM PILTZ, SHAWN S. CABLE, DAVID EBELING, CHARLES MICHAEL BIRTCHER
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Patent number: 11608451Abstract: 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: GrantFiled: January 8, 2020Date of Patent: March 21, 2023Assignee: VERSUM MATERIALS US, LLCInventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
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Boron-containing compounds, compositions, and methods for the deposition of a boron containing films
Patent number: 11605535Abstract: 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: GrantFiled: July 31, 2020Date of Patent: March 14, 2023Assignee: Versum Materials US, LLCInventors: Xinjian Lei, Moo-Sung Kim -
Patent number: 11591692Abstract: 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: GrantFiled: January 30, 2018Date of Patent: February 28, 2023Assignee: Versum Materials US, LLCInventors: Xinjian Lei, Manchao Xiao, Matthew R. MacDonald, Daniel P. Spence, Meiliang Wang, Suresh Kalpatu Rajaraman
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Publication number: 20230058258Abstract: 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: ApplicationFiled: December 22, 2020Publication date: February 23, 2023Applicant: VERSUM MATERIALS US, LLCInventors: HARIPIN CHANDRA, XINJIAN LEI, DANIEL P. SPENCE, MANCHAO XIAO, RONALD MARTIN PEARLSTEIN, MATTHEW R. MACDONALD, MADHUKAR B. RAO
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Patent number: 11584854Abstract: 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: GrantFiled: June 15, 2020Date of Patent: February 21, 2023Assignee: Versum Materials US, LLCInventors: Xinjian Lei, Meiliang Wang, Matthew R. MacDonald, Richard Ho, Manchao Xiao, Suresh Kalpatu Rajaraman
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Patent number: 11560533Abstract: 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: GrantFiled: June 18, 2019Date of Patent: January 24, 2023Assignee: VERSUM MATERIALS US, LLCInventor: Dnyanesh C. Tamboli
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Publication number: 20230020073Abstract: 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: ApplicationFiled: December 2, 2020Publication date: January 19, 2023Applicant: Versum Materials US, LLCInventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
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Patent number: 11549034Abstract: 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: GrantFiled: August 6, 2019Date of Patent: January 10, 2023Assignee: VERSUM MATERIALS US, LLCInventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
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Publication number: 20230002675Abstract: The disclosed and claimed subject matter relates to wet etchants exhibiting high copper and cobalt etching rates where the etching rate ratio between the two metals can be varied. The wet etchants have a composition comprising a formulation consisting of: at least one alkanolamine having at least two carbon atoms, at least one amino substituent and at least one hydroxyl substituent with the amino and hydroxyl substituents attached to two different carbon atoms; at least one pH adjuster for adjusting the pH of the formulation to between approximately 9 and approximately 12; at least one chelating agent; and water.Type: ApplicationFiled: September 30, 2020Publication date: January 5, 2023Applicant: Versum Materials US, LLCInventors: CHUNG-YI CHANG, WEN DAR LIU, YI-CHIA LEE
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Publication number: 20220388033Abstract: 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-dialkyl-alkoxysilane; and applying energy to the gaseous composition comprising hydrido-dialkyl-alkoxysilane in the reaction chamber to induce reaction of the gaseous composition comprising hydrido-dialkyl-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: ApplicationFiled: May 24, 2022Publication date: December 8, 2022Applicant: VERSUM MATERIALS US, LLCInventors: ROBERT GORDON RIDGEWAY, MANCHAO XIAO, JENNIFER LYNN ANNE ACHTYL, DANIEL P. SPENCE, WILLIAM R. ENTLEY
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Publication number: 20220380705Abstract: A method and cleaning composition for microelectronic devices or semiconductor substrates including at least one N alkanolamine; at least one hydroxylamine or derivatives of hydroxylamine or mixtures thereof; at least one polyfunctional organic acid with at least two carboxylic acid groups and water. The cleaning compositions can further include at least one corrosion inhibitor.Type: ApplicationFiled: September 24, 2020Publication date: December 1, 2022Applicant: Versum Materials US, LLCInventors: LAISHENG SUN, LILI WANG, AIPING WU, YI-CHIA LEE, TIANNIU CHEN
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Publication number: 20220372332Abstract: Present invention provides Chemical Mechanical Planarization (CMP) polishing compositions for barrier layer applications, specifically for improving With-In Die Non-Uniformities (WID-NU). The CMP polishing compositions contain abrasive at a concentration equal and/or greater than (·) 2.0 wt. %; a planarization agent selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide, polymers thereof, derivatives thereof, and combinations thereof, wherein the polymers have a molecular weight between 10 Dalton to 5 million Dalton, preferably 50 Dalton to 1 million Dalton; corrosion inhibitor; water soluble solvent; and optionally, rate boosting agent, pH adjusting agent, oxidizing agent, and chelator.Type: ApplicationFiled: September 22, 2020Publication date: November 24, 2022Applicant: Versum Materials US, LLCInventors: LU GAN, JAMES ALLEN SCHLUETER, DNYANESH CHANDRAKANT TAMBOLI
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Publication number: 20220367199Abstract: Described herein are etching solutions and method of using the etching solutions suitable for etching aluminum nitride (AlN) from a semiconductor substrate during the manufacture of a semiconductor device comprising AlN and silicon material without harming the silicon material. The etching solution comprises a cationic surfactant, water, a base, and a water-miscible organic solvent.Type: ApplicationFiled: March 10, 2020Publication date: November 17, 2022Applicant: VERSUM MATERIALS US, LLCInventors: CHUNG YI CHANG, WEN DAR LIU, YI-CHIA LEE