Abstract: 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:
Application
Filed:
September 30, 2020
Publication date:
January 5, 2023
Applicant:
Versum Materials US, LLC
Inventors:
CHUNG-YI CHANG, WEN DAR LIU, YI-CHIA LEE
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-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:
Application
Filed:
May 24, 2022
Publication date:
December 8, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
ROBERT GORDON RIDGEWAY, MANCHAO XIAO, JENNIFER LYNN ANNE ACHTYL, DANIEL P. SPENCE, WILLIAM R. ENTLEY
Abstract: 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.
Abstract: 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:
Application
Filed:
September 22, 2020
Publication date:
November 24, 2022
Applicant:
Versum Materials US, LLC
Inventors:
LU GAN, JAMES ALLEN SCHLUETER, DNYANESH CHANDRAKANT TAMBOLI
Abstract: 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:
Application
Filed:
March 10, 2020
Publication date:
November 17, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
CHUNG YI CHANG, WEN DAR LIU, YI-CHIA LEE
Abstract: Described herein is an etching solution suitable for both tungsten-containing metals and TiN-containing materials, which comprises: water; and one or more than one oxidizers; and one or more than one of the components selected from the group consisting of: one or more fluorine-containing-etching compounds, one or more organic solvents, one or more chelating agents, one or more corrosion inhibitors and one or more surfactants.
Abstract: Compositions and methods using same are used for forming a silicon-containing film such as without limitation a silicon carbide, silicon oxynitride, a carbon-doped silicon nitride, a carbon-doped silicon oxide, or a carbon doped silicon oxynitride film on at least a surface of a substrate having a surface feature. The silicon-containing film is deposited using an alkylhydridosilane compound containing at least one Si—H bond.
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
Abstract: Cleaning compositions and the method of using the same are disclosed, where the compositions include one or more alkanolamines, one or more ether alcohol solvents or aromatic containing alcohol, one or more corrosion inhibitors, and optionally one or more secondary solvents.
Abstract: An atomic layer deposition method for depositing a non-conformal silicon and oxygen containing film into surface features comprising vias and/or trenches on one or more substrates.
Type:
Application
Filed:
September 4, 2020
Publication date:
October 20, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
MEILIANG WANG, TINGMIN WANG, XINJIAN LEI
Abstract: Described herein are Group V and VI compounds used as precursors for depositing Group V and VI-containing films. Ligands with alkyl, amide, imide, amidinate groups and/or cyclopentadienyl (Cp) ligands are used to form Group V and VI complexes used as precursors. Examples of Group V and VI precursor compounds include, but are not limited to, Cp amide imide alkyl vanadium compounds, Cp amide imide alkylamide vanadium compounds, Cp amide imide alkoxide vanadium compounds, Cp amide imide amidinate vanadium compounds, and alkylimide vanadium trichloride compounds. The Group V and VI precursors are used for deposition on substrate surfaces with superior film properties such as uniformity, continuity, and low resistance. Examples of substrate surfaces for deposition of metal-containing films include, but are not limited to metals, metal oxides, and metal nitrides.
Type:
Application
Filed:
May 28, 2020
Publication date:
October 6, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
GUOCAN LI, SERGEI V. IVANOV, XINJIAN LEI, HONGBO LI
Abstract: Improved stripper solutions for removing photoresists from substrates are provided that exhibit improved compatibility with copper, leadfree solder, and epoxy-based molding compounds. The stripper solutions comprise a primary solvent, a secondary glycol ether solvent, potassium hydroxide, and an amine. The solutions also exhibit reduced potassium carbonate crystal formation compared to conventional formulations containing potassium hydroxide, and extended bath life compared to formulations containing tetramethylammonium hydroxide.
Abstract: The disclosed and claimed subject matter is directed to an etching composition that includes (A) phosphoric acid and (B) a mixture that includes (i) a silicon-containing compound and (ii) an aqueous solvent. In some embodiments, the etching compositions include additional ingredients. The etching compositions are useful for the selective removal of silicon nitride over silicon oxide from a microelectronic device having such material(s) thereon during its manufacture.
Type:
Application
Filed:
September 28, 2020
Publication date:
September 22, 2022
Applicant:
Versum Materials US, LLC
Inventors:
Jhih Kuei Ge, YI-CHIA LEE, WEN DAR LIU, AIPING WU, LAISHENG SUN
Abstract: Described herein is an etching solution suitable for the selective removal of silicon over p-doped silicon and/or silicon-germanium from a microelectronic device, having water; at least one of NH4OH or a quaternary ammonium hydroxide; at least one compound selected from benzoquinone or a derivative of benzoquinone; quinoline or a derivative of quinoline; an unsubstituted or substituted C6-20 aliphatic acid; a C4-12 alkylamine; and a polyalkylenimine; optionally at least one water-miscible organic solvent; and optionally, at least one compound selected from an alkanolamine and a polyamine.
Type:
Application
Filed:
June 12, 2020
Publication date:
September 22, 2022
Applicant:
Versum Materials US, LLC
Inventors:
Wen Dar Liu, YI-CHIA LEE, CHUNG-YI CHANG, AIPING WU, LAISHENG SUN
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 a novel monoalkoxysilane; and applying energy to the gaseous composition comprising a novel monoalkoxysilane in the reaction chamber to induce reaction of the gaseous composition comprising a novel monoalkoxysilane to deposit an organosilicon film on the substrate, wherein the organosilicon film has a dielectric constant of from about 2.80 to about 3.30, an elastic modulus of from about 9 to about 32 GPa, and an at. % carbon of from about 10 to about 30 as measured by XPS.
Type:
Application
Filed:
September 10, 2020
Publication date:
September 22, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
MANCHAO XIAO, WILLIAM ROBERT ENTLEY, DANIEL P. SPENCE, RAYMOND NICHOLAS VRTIS, JENNIFER LYNN ANNE ACHTYL, ROBERT GORDON RIDGEWAY, XINJIAN LEI
Abstract: A chemical vapor deposition method for producing a dielectric film, the method comprising: providing a substrate into a reaction chamber; introducing gaseous reagents into the reaction chamber wherein the gaseous reagents comprise a silicon precursor comprising a silicon compound having the formula RnH4-nSi as defined herein and applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a film on the substrate. The film as deposited is suitable for its intended use without an optional additional cure step applied to the as-deposited film.
Type:
Application
Filed:
August 14, 2020
Publication date:
September 15, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
RAYMOND NICHOLAS VRTIS, SURESH K. RAJARAMAN, WILLIAM ROBERT ENTLEY, JENNIFER LYNN ANNE ACHTYL, ROBERT GORDON RIDGEWAY
Abstract: Described herein are cobalt compounds, processes for making cobalt compounds, cobalt compounds used as precursors for depositing cobalt-containing films (e.g., cobalt, cobalt oxide, cobalt nitride, cobalt silicide etc.); and cobalt films. Examples of cobalt precursor compounds are bis(diazadiene)cobalt compounds. Examples of surfaces for deposition of metal-containing films include, but are not limited to, metals, metal oxides, metal nitrides, and metal silicates; silicon, silicon oxide and silicon nitride. Alkylated diazadiene ligands are used to form cobalt complexes which are used for selective deposition on certain surfaces and/or superior film properties such as uniformity, continuity, and low resistance.
Type:
Grant
Filed:
June 3, 2019
Date of Patent:
September 13, 2022
Assignee:
Versum Materials US, LLC
Inventors:
Alan C. Cooper, Sergei V. Ivanov, Christopher David Hopkins, Moo-Sung Kim
Abstract: In one aspect, the invention is formulations comprising both organoaminohafnium and organoaminosilane precursor compounds that allow 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 about 3 to about 5 mol. %, suitable for forming a ferroelectric material. In another aspect, the invention is methods and systems for depositing the silicon doped hafnium oxide films suitable for forming ferroelectric materials using the formulations.
Type:
Application
Filed:
September 9, 2020
Publication date:
September 8, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
MATTHEW R. MACDONALD, XINJIAN LEI, MOO-SUNG KIM, SE-WON LEE
Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as without limitation a silicon carbide, silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film on at least a surface of a substrate having a surface feature. In one aspect, the silicon-containing films are deposited using the co-deposition of an at least one first compound comprising a C—C double or C—C triple bond.
Type:
Application
Filed:
July 24, 2020
Publication date:
August 25, 2022
Applicant:
VERSUM MATERIALS US, LLC
Inventors:
RAYMOND N. VRTIS, ROBERT G. RIDGEWAY, XINJIAN LEI, MING LI, MANCHAO XIAO
Abstract: This disclosed and claimed subject matter relates to a post etch residue cleaning compositions that include an alkanolamine having two or more or more than two alkanol groups, an alpha-hydroxy acid and water as well as methods for use thereof in microelectronics manufacturing.