Patents by Inventor Yuhua Tong
Yuhua Tong 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).
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Patent number: 10875146Abstract: The invention provides a polishing pad suitable for polishing or planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad includes a polishing layer having a polymeric matrix, a thickness and a polishing track representing a working region of the polishing layer for polishing or planarizing. Radial drainage grooves extend through the polishing track facilitate polishing debris removal through the polishing track and underneath the at least one of semiconductor, optical and magnetic substrates and then beyond the polishing track toward the perimeter of the polishing pad during rotation of the polishing pad.Type: GrantFiled: March 24, 2016Date of Patent: December 29, 2020Assignee: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGSInventors: Lee Melbourne Cook, Yuhua Tong, Joseph So, Jeffrey James Hendron, Patricia Connell
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Publication number: 20190256743Abstract: Pressure sensitive adhesives are described which comprise a composition of (i) one or more rubber components, (ii) one or more (meth)acrylate monomer(s), and (iii) free radical initiators. In some aspects, the rubber component is selected from the group consisting of ethylene propylene diene monomer (EPDM) rubber, polyisobutylene rubber, farnesene compound, and combinations thereof. Also described are articles including the pressure sensitive adhesives and methods of forming the pressure sensitive adhesives.Type: ApplicationFiled: October 17, 2018Publication date: August 22, 2019Inventors: Jeffrey R. Bowers, Qiang Luo, Yuhua Tong
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Patent number: 10144115Abstract: A method of forming a chemical mechanical polishing pad polishing layer is provided, including: providing a mold having a base with a negative of a groove pattern; providing a poly side (P) liquid component; providing an iso side (I) liquid component; providing a pressurized gas; providing an axial mixing device; introducing the poly side (P) liquid component, the iso side (I) liquid component and the pressurized gas to the axial mixing device to form a combination; discharging the combination from the axial mixing device at a velocity of 5 to 1,000 m/sec toward the base; allowing the combination to solidify into a cake; deriving the chemical mechanical polishing pad polishing layer from the cake; wherein the chemical mechanical polishing pad polishing layer has a polishing surface with the groove pattern formed into the polishing surface; and wherein the polishing surface is adapted for polishing a substrate.Type: GrantFiled: May 24, 2016Date of Patent: December 4, 2018Assignees: Rohm and Haas Electronic Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: David Michael Veneziale, Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, Yuhua Tong, Jeffrey B. Miller, Diego Lugo, George C. Jacob, Marty W. DeGroot, Andrew Wank, Fengji Yeh
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Patent number: 10105825Abstract: A method of forming a chemical mechanical polishing pad polishing layer is provided, including: providing a mold having a base with a negative of a groove pattern; providing a poly side (P) liquid component; providing an iso side (I) liquid component; providing a pressurized gas; providing an axial mixing device; introducing the poly side (P) liquid component, the iso side (I) liquid component and the pressurized gas to the axial mixing device to form a combination; discharging the combination from the axial mixing device at a velocity of 10 to 300 m/sec toward the base; allowing the combination to solidify into a cake; deriving the chemical mechanical polishing pad polishing layer from the cake; wherein the chemical mechanical polishing pad polishing layer has a polishing surface with the groove pattern formed into the polishing surface; and wherein the polishing surface is adapted for polishing a substrate.Type: GrantFiled: June 26, 2015Date of Patent: October 23, 2018Assignees: Rohm and Haas Electronics Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: David Michael Veneziale, Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, Yuhua Tong, Jeffrey B. Miller, Diego Lugo, George C. Jacob, Marty W. DeGroot, Andrew Wank, Fengji Yeh
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Patent number: 10092998Abstract: A method of forming a chemical mechanical polishing pad composite polishing layer is provided, including: providing a first polishing layer component of a first continuous non-fugitive polymeric phase having a plurality of periodic recesses; discharging a combination toward the first polishing layer component at a velocity of 5 to 1,000 m/sec, filling the plurality of periodic recesses with the combination; allowing the combination to solidify in the plurality of periodic recesses forming a second non-fugitive polymeric phase giving a composite structure; and, deriving the chemical mechanical polishing pad composite polishing layer from the composite structure, wherein the chemical mechanical polishing pad composite polishing layer has a polishing surface on the polishing side of the first polishing layer component; and wherein the polishing surface is adapted for polishing a substrate.Type: GrantFiled: May 24, 2016Date of Patent: October 9, 2018Assignees: Rohm and Haas Electronic Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, David Michael Veneziale, Yuhua Tong, Diego Lugo, George C. Jacob, Jeffrey B. Miller, Tony Quan Tran, Marc R. Stack, Andrew Wank, Jeffrey James Hendron
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Patent number: 10011002Abstract: A method of forming a chemical mechanical polishing pad composite polishing layer is provided, including: providing a first polishing layer component of a first continuous non-fugitive polymeric phase having a plurality of periodic recesses; discharging a combination toward the first polishing layer component at a velocity of 10 to 300 msec, filling the plurality of periodic recesses with the combination; allowing the combination to solidify in the plurality of periodic recesses forming a second non-fugitive polymeric phase giving a composite structure; and, deriving the chemical mechanical polishing pad composite polishing layer from the composite structure, wherein the chemical mechanical polishing pad composite polishing layer has a polishing surface on the polishing side of the first polishing layer component; and wherein the polishing surface is adapted for polishing a substrate.Type: GrantFiled: June 26, 2015Date of Patent: July 3, 2018Assignees: Rohm and Haas Electronic Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, David Michael Veneziale, Yuhua Tong, Diego Lugo, George C. Jacob, Jeffrey B. Miller, Tony Quan Tran, Marc R. Stack, Andrew Wank, Jeffrey James Hendron
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Patent number: 10005172Abstract: The invention is to a method of manufacturing a polishing pad suitable for planarizing at least one of semiconductor, optical and magnetic substrates. The method includes applying droplets of a liquid polymer against a substrate to form a plurality of pores. The liquid polymer contains a nonionic surfactant, the nonionic surfactant has a concentration sufficient to facilitate growth of pores within the liquid polymer and an ionic surfactant has a concentration sufficient to limit growth of the pores within the liquid polymer. Curing the solid polymer forms a polishing pad with final size of the plurality of pores controlled by the concentration of nonionic surfactant and ionic surfactants.Type: GrantFiled: June 26, 2015Date of Patent: June 26, 2018Assignees: Rohm and Haas Electronic Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: Yuhua Tong, Andrew Wank, Diego Lugo, Marc R. Stack, David Michael Veneziale, Marty W. DeGroot, George C. Jacob, Jeffrey B. Miller
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Patent number: 9776300Abstract: A chemical mechanical polishing pad is provided, comprising: a chemical mechanical polishing layer having a polishing surface; wherein the chemical mechanical polishing layer is formed by combining (a) a poly side (P) liquid component, comprising: an amine-carbon dioxide adduct; and, at least one of a polyol, a polyamine and a alcohol amine; and (b) an iso side (I) liquid component, comprising: polyfunctional isocyanate; wherein the chemical mechanical polishing layer has a porosity of ?10 vol %; wherein the chemical mechanical polishing layer has a Shore D hardness of <40; and, wherein the polishing surface is adapted for polishing a substrate. Methods of making and using the same are also provided.Type: GrantFiled: May 24, 2016Date of Patent: October 3, 2017Assignees: Rohm and Haas Electronic Materials CMP Holdings Inc., Dow Global Technologies LLCInventors: Bainian Qian, Julia Kozhukh, Teresa Brugarolas Brufau, David Michael Veneziale, Yuhua Tong, Diego Lugo, Jeffrey B. Miller, George C. Jacob, Marty W. DeGroot, Tony Quan Tran, Marc R. Stack, Andrew Wank, Fengji Yeh
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Publication number: 20170274496Abstract: The invention provides a polishing pad suitable for polishing or planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad includes a polishing layer having a polymeric matrix, a thickness and a polishing track representing a working region of the polishing layer for polishing or planarizing. Radial drainage grooves extend through the polishing track facilitate polishing debris removal through the polishing track and underneath the at least one of semiconductor, optical and magnetic substrates and then beyond the polishing track toward the perimeter of the polishing pad during rotation of the polishing pad.Type: ApplicationFiled: March 24, 2016Publication date: September 28, 2017Inventors: Lee Melbourne Cook, Yuhua Tong, Joseph So, Jeffrey James Hendron, Patricia Connell
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Patent number: 9586305Abstract: A chemical mechanical polishing pad is provided, comprising: a chemical mechanical polishing layer having a polishing surface; wherein the chemical mechanical polishing layer is formed by combining (a) a poly side (P) liquid component, comprising: an amine-carbon dioxide adduct; and, at least one of a polyol, a polyamine and a alcohol amine; and (b) an iso side (I) liquid component, comprising: polyfunctional isocyanate; wherein the chemical mechanical polishing layer has a porosity of ?10 vol %; wherein the chemical mechanical polishing layer has a Shore D hardness of <40; and, wherein the polishing surface is adapted for polishing a substrate. Methods of making and using the same are also provided.Type: GrantFiled: June 26, 2015Date of Patent: March 7, 2017Assignees: Rohm and Haas Electronic Materials CMP Holdings, Inc., Dow Global Technologies LLCInventors: Bainian Qian, Julia Kozhukh, Teresa Brugarolas Brufau, David Michael Veneziale, Yuhua Tong, Diego Lugo, Jeffrey B. Miller, George C. Jacob, Marty W. DeGroot, Tony Quan Tran, Marc R. Stack, Andrew Wank, Fengji Yeh
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Publication number: 20160375554Abstract: A method of forming a chemical mechanical polishing pad composite polishing layer is provided, including: providing a first polishing layer component of a first continuous non-fugitive polymeric phase having a plurality of periodic recesses; discharging a combination toward the first polishing layer component at a velocity of 5 to 1,000 m/sec, filling the plurality of periodic recesses with the combination; allowing the combination to solidify in the plurality of periodic recesses forming a second non-fugitive polymeric phase giving a composite structure; and, deriving the chemical mechanical polishing pad composite polishing layer from the composite structure, wherein the chemical mechanical polishing pad composite polishing layer has a polishing surface on the polishing side of the first polishing layer component; and wherein the polishing surface is adapted for polishing a substrate.Type: ApplicationFiled: May 24, 2016Publication date: December 29, 2016Inventors: Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, David Michael Veneziale, Yuhua Tong, Diego Lugo, George C. Jacob, Jeffrey B. Miller, Tony Quan Tran, Marc R. Stack, Andrew Wank, Jeffrey James Hendron
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Publication number: 20160379840Abstract: A chemical mechanical polishing pad is provided, comprising: a chemical mechanical polishing layer having a polishing surface; wherein the chemical mechanical polishing layer is formed by combining (a) a poly side (P) liquid component, comprising: an amine-carbon dioxide adduct; and, at least one of a polyol, a polyamine and a alcohol amine; and (b) an iso side (I) liquid component, comprising: polyfunctional isocyanate; wherein the chemical mechanical polishing layer has a porosity of >10 vol %; wherein the chemical mechanical polishing layer has a Shore D hardness of <40; and, wherein the polishing surface is adapted for polishing a substrate. Methods of making and using the same are also provided.Type: ApplicationFiled: May 24, 2016Publication date: December 29, 2016Inventors: Bainian Qian, Julia Kozhukh, Teresa Brugarolas Brufau, David Michael Veneziale, Yuhua Tong, Diego Lugo, Jeffrey B. Miller, George C. Jacob, Marty W. DeGroot, Tony Quan Tran, Marc R. Stack, Andrew Wank, Fengji Yeh
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Publication number: 20160375553Abstract: A method of forming a chemical mechanical polishing pad polishing layer is provided, including: providing a mold having a base with a negative of a groove pattern; providing a poly side (P) liquid component; providing an iso side (I) liquid component; providing a pressurized gas; providing an axial mixing device; introducing the poly side (P) liquid component, the iso side (I) liquid component and the pressurized gas to the axial mixing device to form a combination; discharging the combination from the axial mixing device at a velocity of 10 to 300 m/sec toward the base; allowing the combination to solidify into a cake; deriving the chemical mechanical polishing pad polishing layer from the cake; wherein the chemical mechanical polishing pad polishing layer has a polishing surface with the groove pattern formed into the polishing surface; and wherein the polishing surface is adapted for polishing a substrate.Type: ApplicationFiled: June 26, 2015Publication date: December 29, 2016Inventors: David Michael Veneziale, Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, Yuhua Tong, Jeffrey B. Miller, Diego Lugo, George C. Jacob, Marty W. DeGroot, Andrew Wank, Fengji Yeh
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Publication number: 20160375550Abstract: The invention is to a method of manufacturing a polishing pad suitable for planarizing at least one of semiconductor, optical and magnetic substrates. The method includes applying droplets of a liquid polymer against a substrate to form a plurality of pores. The liquid polymer contains a nonionic surfactant, the nonionic surfactant has a concentration sufficient to facilitate growth of pores within the liquid polymer and an ionic surfactant has a concentration sufficient to limit growth of the pores within the liquid polymer. Curing the solid polymer forms a polishing pad with final size of the plurality of pores controlled by the concentration of nonionic surfactant and ionic surfactants.Type: ApplicationFiled: June 26, 2015Publication date: December 29, 2016Inventors: Yuhua Tong, Andrew Wank, Diego Lugo, Marc R. Stack, David Michael Veneziale, Marty W. DeGroot, George C. Jacob, Jeffrey B. Miller
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Publication number: 20160375543Abstract: A chemical mechanical polishing pad is provided, comprising: a chemical mechanical polishing layer having a polishing surface; wherein the chemical mechanical polishing layer is formed by combining (a) a poly side (P) liquid component, comprising: an amine-carbon dioxide adduct; and, at least one of a polyol, a polyamine and a alcohol amine; and (b) an iso side (I) liquid component, comprising: polyfunctional isocyanate; wherein the chemical mechanical polishing layer has a porosity of ?10 vol %; wherein the chemical mechanical polishing layer has a Shore D hardness of <40; and, wherein the polishing surface is adapted for polishing a substrate. Methods of making and using the same are also provided.Type: ApplicationFiled: June 26, 2015Publication date: December 29, 2016Inventors: Bainian Qian, Julia Kozhukh, Teresa Brugarolas Brufau, David Michael Veneziale, Yuhua Tong, Diego Lugo, Jeffrey B. Miller, George C. Jacob, Marty W. DeGroot, Tony Quan Tran, Marc R. Stack, Andrew Wank, Fengji Yeh
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Publication number: 20160375552Abstract: A method of forming a chemical mechanical polishing pad composite polishing layer is provided, including: providing a first polishing layer component of a first continuous non-fugitive polymeric phase having a plurality of periodic recesses; discharging a combination toward the first polishing layer component at a velocity of 10 to 300 msec, filling the plurality of periodic recesses with the combination; allowing the combination to solidify in the plurality of periodic recesses forming a second non-fugitive polymeric phase giving a composite structure; and, deriving the chemical mechanical polishing pad composite polishing layer from the composite structure, wherein the chemical mechanical polishing pad composite polishing layer has a polishing surface on the polishing side of the first polishing layer component; and wherein the polishing surface is adapted for polishing a substrate.Type: ApplicationFiled: June 26, 2015Publication date: December 29, 2016Inventors: Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, David Michael Veneziale, Yuhua Tong, Diego Lugo, George C. Jacob, Jeffrey B. Miller, Tony Quan Tran, Marc R. Stack, Andrew Wank, Jeffrey James Hendron
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Publication number: 20160375555Abstract: A method of forming a chemical mechanical polishing pad polishing layer is provided, including: providing a mold having a base with a negative of a groove pattern; providing a poly side (P) liquid component; providing an iso side (I) liquid component; providing a pressurized gas; providing an axial mixing device; introducing the poly side (P) liquid component, the iso side (I) liquid component and the pressurized gas to the axial mixing device to form a combination; discharging the combination from the axial mixing device at a velocity of 5 to 1,000 m/sec toward the base; allowing the combination to solidify into a cake; deriving the chemical mechanical polishing pad polishing layer from the cake; wherein the chemical mechanical polishing pad polishing layer has a polishing surface with the groove pattern formed into the polishing surface; and wherein the polishing surface is adapted for polishing a substrate.Type: ApplicationFiled: May 24, 2016Publication date: December 29, 2016Inventors: David Michael Veneziale, Bainian Qian, Teresa Brugarolas Brufau, Julia Kozhukh, Yuhua Tong, Jeffrey B. Miller, Diego Lugo, George C. Jacob, Marty W. DeGroot, Andrew Wank, Fengji Yeh
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Patent number: 9527224Abstract: Flexible members for use in imaging devices comprise a polymerizable release agent.Type: GrantFiled: February 17, 2011Date of Patent: December 27, 2016Assignee: Xerox CorporationInventors: Edward F. Grabowski, Yuhua Tong
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Patent number: 9228161Abstract: Disclosed are undercoat layers comprising a metal oxide, a polymer, and a citrate of Formula (I): wherein R1 is H, alkyl, or COR?; wherein R? is alkyl; and wherein R2, R3, and R4 are independently alkyl. The undercoat layers are useful in imaging members because they are easily separated from the substrate. This reduces the number of steps necessary to reclaim the substrate.Type: GrantFiled: July 11, 2014Date of Patent: January 5, 2016Assignee: XEROX CORPORATIONInventors: Yuhua Tong, Jin Wu, Robert P. Altavela, Edward F. Grabowski, Kent J. Evans, Adilson P. Ramos, Nancy L. Belknap, Helen R. Cherniack
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Patent number: 9201353Abstract: According to various embodiments, the present teachings provide an intermediate transfer member including a layer having a phosphorous containing polyamideimide having dispersed therein a conductive additive. A method of manufacturing the intermediate transfer member is provided.Type: GrantFiled: March 1, 2013Date of Patent: December 1, 2015Assignee: Xerox CorporationInventors: Yuhua Tong, Edward F. Grabowski, Jin Wu, Robert J. Meyer