Patents Represented by Attorney Lina Yang
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Patent number: 8298628Abstract: This invention discloses the method of forming silicon nitride, silicon oxynitride, silicon oxide, carbon-doped silicon nitride, carbon-doped silicon oxide and carbon-doped oxynitride films at low deposition temperatures. The silicon containing precursors used for the deposition are monochlorosilane (MCS) and monochloroalkylsilanes. The method is preferably carried out by using plasma enhanced atomic layer deposition, plasma enhanced chemical vapor deposition, and plasma enhanced cyclic chemical vapor deposition.Type: GrantFiled: June 2, 2009Date of Patent: October 30, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Liu Yang, Xinjian Lei, Bing Han, Manchao Xiao, Eugene Joseph Karwacki, Jr., Kazuhide Hasebe, Masanobu Matsunaga, Masato Yonezawa, Hansong Cheng
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Patent number: 8283260Abstract: A method for preparing an interlayer dielectric to minimize damage to the interlayer's dielectric properties, the method comprising the steps of: depositing a layer of a silicon-containing dielectric material onto a substrate, wherein the layer has a first dielectric constant and wherein the layer has at least one surface; providing an etched pattern in the layer by a method that includes at least one etch process and exposure to a wet chemical composition to provide an etched layer, wherein the etched layer has a second dielectric constant, and wherein the wet chemical composition contributes from 0 to 40% of the second dielectric constant; contacting the at least one surface of the layer with a silicon-containing fluid; optionally removing a first portion of the silicon-containing fluid such that a second portion of the silicon-containing fluid remains in contact with the at least one surface of the layer; and exposing the at least one surface of the layer to UV radiation and thermal energy, wherein the layType: GrantFiled: August 13, 2009Date of Patent: October 9, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Scott Jeffrey Weigel, Mark Leonard O'Neill, Mary Kathryn Haas, Laura M. Matz, Glenn Michael Mitchell, Aiping Wu, Raymond Nicholas Vrtis, John Giles Langan
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Patent number: 8278222Abstract: This invention relates to a process for selective removal of materials, such as: silicon, molybdenum, tungsten, titanium, zirconium, hafnium, vanadium, tantalum, niobium, boron, phosphorus, germanium, arsenic, and mixtures thereof, from silicon dioxide, silicon nitride, nickel, aluminum, TiNi alloy, photoresist, phosphosilicate glass, boron phosphosilicate glass, polyimides, gold, copper, platinum, chromium, aluminum oxide, silicon carbide and mixtures thereof. The process is related to the important applications in the cleaning or etching process for semiconductor deposition chambers and semiconductor tools, devices in a micro electro mechanical system (MEMS), and ion implantation systems. Methods of forming XeF2 by reacting Xe with a fluorine containing chemical are also provided, where the fluorine containing chemical is selected from the group consisting of F2, NF3, C2F6, CF4, C3F8, SF6, a plasma containing F atoms generated from an upstream plasma generator and mixtures thereof.Type: GrantFiled: January 27, 2009Date of Patent: October 2, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Dingjun Wu, Eugene Joseph Karwacki, Jr., Anupama Mallikarjunan, Andrew David Johnson
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Patent number: 8143431Abstract: Novel copper alkoxide compound based ink formulations and their chemical syntheses are disclosed. The method of using the ink formulations to print conducting copper metal lines with standard ink jet printing and curing at <150° C. is also disclosed.Type: GrantFiled: May 23, 2008Date of Patent: March 27, 2012Assignee: Air Products and Chemicals, Inc.Inventors: John Anthony Thomas Norman, Melanie K. Perez, Robert Krantz Pinschmidt, Jr.
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Patent number: 8092709Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: GrantFiled: May 17, 2011Date of Patent: January 10, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
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Patent number: 8043976Abstract: The present invention relates to the improved adhesion between a patterned conductive metal layer, usually a copper layer, and a patterned barrier dielectric layer. The structure with the improved adhesion comprises an adhesion layer between a patterned barrier dielectric layer and a patterned conductive metal layer. The adhesion layer improves adhesion between the metal layer and the barrier layer without increasing the copper bulk electrical resistance. The method of making the structure with the improved adhesion comprises steps of thermal expositing the patterned conductive metal layer to an organometallic precursor to deposit an adhesion layer at least on the top of the patterned conductive metal layer.Type: GrantFiled: March 18, 2009Date of Patent: October 25, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Raymond Nicholas Vrtis, Laura M. Matz, Mark Leonard O'Neill
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Patent number: 8039658Abstract: A method of removing trace levels of arsenic-containing impurities from raw triethylphosphate (TEPO) is disclosed. The method uses adsorption, or adsorption followed by a flash distillation. The method comprises contacting raw triethylphosphate (TEPO) with an adsorbent which selectively adsorbs the arsenic-containing impurities in the raw triethylphosphate (TEPO). The adsorbent is a base promoted alumina containing adsorbent represented by a formula: ZxWy; where x is the weight percentage of Z in the adsorbent ranging from 30% to 99.999%; y is the weight percentage of W in the adsorbent, and x+y=100%; Z is selected from the group consisting of alumina (Al2O3), magnesium-alumina based layered double hydroxide (MgO—Al2O3), alumina-zeolite, and mixtures thereof; and W is selected from the group consisting of at least one basic metal oxide, at least one basic metal carbonate, and mixtures thereof.Type: GrantFiled: July 25, 2008Date of Patent: October 18, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Heather Regina Bowen, Kelly Ann Chandler
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Patent number: 8021536Abstract: A method for generating a hydride gas of metal M1 in an electrochemical cell comprising a cathode comprising metal M1, a sacrificial anode comprising metal M2, an initial concentration of aqueous electrolyte solution comprising a metal hydroxide, M3OH, wherein the sacrificial metal anode electrochemically oxidizes in the presence of the aqueous electrolyte solution comprising M3OH to form a metal salt, and the hydride gas of metal M1 is formed by reducing the metal M1 of the cathode. The method comprises the steps of determining solubility profile curves of the metal salt as the M3OH is consumed and the metal oxide is formed by the oxidation reaction at various concentrations of M3OH; determining a maximum concentration of M3OH that, as it is consumed, does not yield a concentration of metal salt that precipitates out of the electrolyte solution; and choosing a concentration of M3OH that is in the range of at and within 5% less than the maximum concentration of M3OH to be the initial concentration of M3OH.Type: GrantFiled: March 19, 2007Date of Patent: September 20, 2011Assignee: Air Products and Chemical, Inc.Inventors: Reinaldo Mario Machado, Christopher L. Hartz, James E. Hollen, Rebecca J. Mohr, George L. Ryals
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Patent number: 7977121Abstract: The present invention provides a method for restoring the dielectric properties of a porous dielectric material. The method comprises providing a substrate comprising at least one layer of a porous dielectric material comprising a contaminant comprising at least one entrapped liquid having a surface tension, wherein the porous dielectric material comprising the at least one contaminant has a first dielectric constant. The substrate is contacted with a restoration fluid comprising water and at least one compound having a surface tension that is less than the surface tension of the at least one entrapped liquid in the at least one layer of a porous dielectric material. Upon drying, the porous dielectric material has a second dielectric constant that is lower than the first dielectric constant and all constituents of the restoration fluid are removed upon drying.Type: GrantFiled: November 17, 2006Date of Patent: July 12, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Dnyanesh Chandrakant Tamboli, Madhukar Bhaskara Rao, Mark Leonard O'Neill
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Patent number: 7968001Abstract: A stabilized composition consists essentially of unsaturated hydrocarbon-based materials, and a stabilizer selected from the group consisting of hydroxybenzophenone and a nitroxyl radical based stabilizer. A method for stabilizing unsaturated hydrocarbon-based precursor material against the polymerization comprises providing a stabilizer selected from the group consisting of a hydroxybenzophenone and a nitroxyl radical based stabilizer.Type: GrantFiled: February 27, 2008Date of Patent: June 28, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Steven Gerard Mayorga, Kelly Ann Chandler
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Patent number: 7960205Abstract: The present invention is a process of making a germanium-antimony-tellurium alloy film using a process selected from the group consisting of atomic layer deposition and chemical vapor deposition, wherein a silyltellurium precursor is used as a source of tellurium for the alloy film and is reacted with an alcohol during the deposition process.Type: GrantFiled: November 18, 2008Date of Patent: June 14, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Manchao Xiao, Liu Yang, Thomas Richard Gaffney
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Patent number: 7947814Abstract: A plurality of metal-containing complexes of a polydentate beta-ketoiminate, one embodiment of which is represented by the structure are shown: wherein M is a metal such as calcium, strontium, barium, scandium, yttrium, lanthanum, titanium, zirconium, vanadium, tungsten, manganese, cobalt, iron, nickel, ruthenium, zinc, copper, palladium, platinum, iridium, rhenium, osmium; wherein R1 is selected from the group consisting of alkyl, fluoroalkyl, cycloaliphatic, and aryl, having from 1 to 10 carbon atoms; R2 can be from the group consisting of hydrogen, alkyl, alkoxy, cycloaliphatic, and aryl; R3 is linear or branched selected from the group consisting of alkylene, fluoroalkyl, cycloaliphatic, and aryl; R4 is an alkylene bridge; R5-6 are individually linear or branched selected from the group consisting of alkyl, fluoroalkyl, cycloaliphatic, aryl, and they can be connected to form a ring containing carbon, oxygen, or nitrogen atoms; n is an integer equal to the valence of the metal M.Type: GrantFiled: April 16, 2007Date of Patent: May 24, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Xinjian Lei, Michael Ulman, Liam Quinn, Hansong Cheng
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Patent number: 7919409Abstract: We have used the state-of-the-art computational chemistry techniques to identify adhesion promoting layer materials that provide good adhesion of copper seed layer to the adhesion promoting layer and the adhesion promoting layer to the barrier layer. We have identified factors responsible for providing good adhesion of copper layer on various metallic surfaces and circumstances under which agglomeration of copper film occur. Several promising adhesion promoting layer materials based on chromium alloys have been predicted to be able to significantly enhance the adhesion of copper films. Chromium containing complexes of a polydentate ?-ketoiminate have been identified as chromium containing precursors to make the alloys with chromium.Type: GrantFiled: August 15, 2008Date of Patent: April 5, 2011Assignee: Air Products and Chemicals, Inc.Inventors: Hansong Cheng, Xinjian Lei, Daniel P. Spence, John Anthony Thomas Norman, David Allen Roberts, Bo Han, Chenggang Zhou, Jinping Wu
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Patent number: 7883602Abstract: An apparatus and a method comprising same for removing metal oxides from a substrate surface are disclosed herein. In one particular embodiment, the apparatus comprises an electrode assembly that has a housing that is at least partially comprised of an insulating material and having an internal volume and at least one fluid inlet that is in fluid communication with the internal volume; a conductive base connected to the housing comprising a plurality of conductive tips that extend therefrom into a target area and a plurality of perforations that extend therethrough and are in fluid communication with the internal volume to allow for a passage of a gas mixture comprising a reducing gas.Type: GrantFiled: August 8, 2008Date of Patent: February 8, 2011Assignees: Air Products and Chemicals, Inc., BTU International, Inc.Inventors: Chun Christine Dong, Wayne Thomas McDermott, Alexander Schwarz, Gregory Khosrov Arslanian, Richard E. Patrick, Gary A. Orbeck, Donald A. Seccombe, Jr.
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Patent number: 7837877Abstract: Provided is a process and apparatus for separating a multi-component feed stream wherein a porous separator is used to effectively create, via permeation and phase change, at least three fractions of differing compositions.Type: GrantFiled: June 9, 2006Date of Patent: November 23, 2010Assignee: Air Products and Chemicals, Inc.Inventors: Wei Cao, Vladimir Yliy Gershtein
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Patent number: 7771611Abstract: Novel compositions are provided containing a compound represented by the formula YOSF5 or ZOSF5, where: (a) Y is: (i) an organic cation other than (Me2N)3S+ or (ii) an inorganic cation, provided that when Y is the inorganic cation, the composition further includes a complexing agent; and (b) Z is C1-20 alkyl, aryl, cycloalkyl, combinations thereof, or analogues thereof containing at least one heteroatom, provided that the compound represented by the formula ZOSF5 is a molecular compound. Processes of making the cationic compounds are disclosed as are processes for using the compositions containing cationic compounds in nucleophilic replacement reactions to prepare the compositions containing molecular compounds including the OSF5 group.Type: GrantFiled: July 10, 2006Date of Patent: August 10, 2010Assignee: Air Products and Chemicals, Inc.Inventors: Robert George Syvret, Gauri Sankar Lal, Kristen Elaine Minnich
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Patent number: 7754906Abstract: An organometallic complex represented by the structure: wherein M is a metal selected from Group 4 of the Periodic Table of the Elements and R1-4 can be same or different selected from the group consisting of dialkylamide, difluoralkylamide, hydrogen, alkyl, alkoxy, fluoroalkyl and alkoxy, cycloaliphatic, and aryl with the additional provision that when R1 and R2 are dialkylamide, difluoralkylamide, alkoxy, fluoroalkyl and alkoxy, they can be connected to form a ring. Related compounds are also disclosed. CVD and ALD deposition processes using the complexes are also included.Type: GrantFiled: September 18, 2006Date of Patent: July 13, 2010Assignee: Air Products and Chemicals, Inc.Inventors: John Anthony Thomas Norman, Xinjian Lei
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Patent number: 7723493Abstract: Metal-containing complexes of a tridentate beta-ketoiminate, one embodiment of which is represented by the structure: wherein M is a metal such as calcium, strontium, barium, scandium, yttrium, lanthanum, titanium, zirconium, vanadium, tungsten, manganese, cobalt, iron, nickel, ruthenium, zinc, copper, palladium, platinum, iridium, rhenium, osmium; R1 is selected from the group consisting of alkyl, alkoxyalkyl, fluoroalkyl, cycloaliphatic, and aryl, having 1 to 10 carbon atoms; R2 is selected from the group consisting of hydrogen, alkyl, alkoxy, cycloaliphatic, and aryl; R3 is linear or branched selected from the group consisting of alkyl, alkoxyalkyl, fluoroalkyl, cycloaliphatic, and aryl; R4 is a branched alkylene bridge with at least one chiral center; R5-6 are individually linear or branched selected from the group consisting of alkyl, fluoroalkyl, cycloaliphatic, aryl, and can be connected to form a ring containing carbon, oxygen, or nitrogen atoms; n is an integer equal to the valence of the metalType: GrantFiled: October 3, 2008Date of Patent: May 25, 2010Assignee: Air Products and Chemicals, Inc.Inventors: Xinjian Lei, Daniel P. Spence, Hansong Cheng
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Patent number: 7700534Abstract: Particulate and metal ion contamination is removed from a surface, such as a semiconductor wafer containing copper damascene or dual damascene features, employing a fluo-ride-free aqueous composition comprising a dicarboxylic acid and/or salt thereof; and a hydroxycarboxylic acid and/or salt thereof or amine group containing acid.Type: GrantFiled: March 21, 2008Date of Patent: April 20, 2010Assignee: Air Products and Chemicals, Inc.Inventor: Emil Anton Kneer
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Patent number: 7691984Abstract: Metal-containing complexes of a tridentate beta-ketoiminate, one embodiment of which is represented by the structure: wherein M is a metal such as calcium, strontium, barium, scandium, yttrium, lanthanum, titanium, zirconium, vanadium, tungsten, manganese, cobalt, iron, nickel, ruthenium, zinc, copper, palladium, platinum, iridium, rhenium, osmium; R1 is selected from the group consisting of alkyl, fluoroalkyl, cycloaliphatic, and aryl, having 1 to 10 carbon atoms; R2 is selected from the group consisting of hydrogen, alkyl, alkoxy, cycloaliphatic, and aryl; R3 is linear or branched selected from the group consisting of alkylene, fluoroalkyl, cycloaliphatic, and aryl; R4 is a branched alkylene bridge with at least one chiral center; R5-6 are individually linear or branched selected from the group consisting of alkyl, fluoroalkyl, cycloaliphatic, aryl, and can be connected to form a ring containing carbon, oxygen, or nitrogen atoms; n is an integer equal to the valence of the metal M.Type: GrantFiled: November 27, 2007Date of Patent: April 6, 2010Assignee: Air Products and Chemicals, Inc.Inventors: Xinjian Lei, Daniel P. Spence, Hansong Cheng