Patents by Inventor George S Tulevski
George S Tulevski 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: 11712712Abstract: A method of protecting an in-vivo sensor includes forming a sensing surface on a surface of the in-vivo sensor, the sensing surface including a functionalized monolayer that will bind to an analyte of interest; and coating the sensing surface of the sensor with a bioabsorbable polymeric coating including a bioabsorbable polymer; wherein the bioabsorbable polymeric coating is configured to protect the in-vivo sensor until needed for implantation.Type: GrantFiled: December 22, 2020Date of Patent: August 1, 2023Assignee: International Business Machines CorporationInventors: Shu-Jen Han, Bharat Kumar, George S. Tulevski
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Patent number: 11217753Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bifunctional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: February 1, 2019Date of Patent: January 4, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11205754Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: February 1, 2019Date of Patent: December 21, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11189798Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: May 29, 2019Date of Patent: November 30, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11127903Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: May 29, 2019Date of Patent: September 21, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Publication number: 20210129176Abstract: A method of protecting an in-vivo sensor includes forming a sensing surface on a surface of the in-vivo sensor, the sensing surface including a functionalized monolayer that will bind to an analyte of interest; and coating the sensing surface of the sensor with a bioabsorbable polymeric coating including a bioabsorbable polymer; wherein the bioabsorbable polymeric coating is configured to protect the in-vivo sensor until needed for implantation.Type: ApplicationFiled: December 22, 2020Publication date: May 6, 2021Inventors: Shu-Jen Han, Bharat Kumar, George S. Tulevski
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Patent number: 10960433Abstract: A method of protecting an in-vivo sensor includes forming a sensing surface on a surface of the in-vivo sensor, the sensing surface including a functionalized monolayer that will bind to an analyte of interest; and coating the sensing surface of the sensor with a bioabsorbable polymeric coating including a bioabsorbable polymer; wherein the bioabsorbable polymeric coating is configured to protect the in-vivo sensor until needed for implantation.Type: GrantFiled: April 16, 2018Date of Patent: March 30, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Shu-Jen Han, Bharat Kumar, George S. Tulevski
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Patent number: 10830646Abstract: A computer-implemented method of forming a thermal-based electronic image of an object that includes receiving electromagnetic radiation emitted by the object at an optically sensitive layer including a superpixel having a plurality of pixels. Each pixel of the plurality of pixels includes a plasmonic absorber having a characteristic resonance wavelength and that generates a radiance measurement of the electromagnetic radiation at its characteristic resonance wavelength. The method further provides for determining, at a processor, an emissivity and temperature for the electromagnetic radiation received at the superpixel using the radiance measurements obtained at the pixels of the superpixel. In addition, the method provides for forming an image of the object from the determined emissivity and temperature.Type: GrantFiled: April 10, 2019Date of Patent: November 10, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Patent number: 10830645Abstract: A computer-implemented method and thermal imaging device includes a layer of plasmonic material and a processor. The layer of plasmonic material receive electromagnetic radiation from an object and generates radiance measurements of the electromagnetic radiation at a plurality of wavelengths. The processor determines an emissivity and temperature of the object from the radiance measurements and forms a thermal-based electronic image of the object from the determined emissivity and temperature.Type: GrantFiled: November 3, 2017Date of Patent: November 10, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Patent number: 10830647Abstract: A computer-eimplemented thermal imaging device having an optically-sensitive layer that includes a superpixel having at least one pixel. The at least one pixel includes a plasmonic absorber configured to obtain radiance measurements of electromagnetic radiation emitted from an object at a plurality of wavelengths. The device further includes a processor configured to determine an emissivity and temperature for the electromagnetic radiation received at the plasmonic material from the object using the radiance measurements and to form an image of the object from the determined emissivity and temperature.Type: GrantFiled: April 10, 2019Date of Patent: November 10, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Patent number: 10768109Abstract: A method of forming a chemical sensor includes forming a dielectric layer on an electrode. A carbon nanotube film is deposited on the dielectric layer. The carbon nanotube film is patterned into strips.Type: GrantFiled: January 3, 2019Date of Patent: September 8, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Patent number: 10761089Abstract: Techniques for selective placement of carbon nanotubes using bifunctional acid monolayers are provided. In one aspect, a method for selective placement of carbon nanotubes on a metal oxide surface includes the steps of: dispersing poly-fluorene polymer-wrapped carbon nanotubes in an organic solvent; creating a patterned monolayer of a bifunctional acid on the metal oxide surface, wherein the bifunctional acid comprises a first acid functional group for binding to the metal oxide surface, and a second acid functional group for binding to the poly-fluorene polymer-wrapped carbon nanotubes; and contacting the poly-fluorene polymer-wrapped carbon nanotubes dispersed in the organic solvent with the patterned monolayer of the bifunctional acid on the metal oxide surface to selectively place the carbon nanotubes on the metal oxide surface via the patterned monolayer of the bifunctional acid. A carbon nanotube-based device and method of formation thereof are also provided.Type: GrantFiled: July 9, 2018Date of Patent: September 1, 2020Assignee: International Business Machines CorporationInventors: Ali Afzali-Ardakani, James B. Hannon, George S. Tulevski
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Patent number: 10600965Abstract: Structures and methods that include selective electrostatic placement based on a dipole-to-dipole interaction of electron-rich carbon nanotubes onto an electron-deficient pre-patterned surface. The structure includes a substrate with a first surface having a first isoelectric point and at least one additional surface having a second isoelectric point. A self-assembled monolayer is selectively formed on the first surface and includes an electron deficient compound including a deprotonated pendant hydroxamic acid or a pendant phosphonic acid group or a pendant catechol group bound to the first surface. An organic solvent can be used to deposit the electron rich carbon nanotubes on the self-assembled monolayer.Type: GrantFiled: April 17, 2017Date of Patent: March 24, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Shu-Jen Han, Bharat Kumar, George S. Tulevski
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Patent number: 10566537Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. The nanotube-graphene hybrid film includes a substrate; nanotube film deposited over the substrate to produce a layer of nanotube film; and graphene deposited over the layer of nanotube film to produce a nanotube-graphene hybrid film.Type: GrantFiled: August 6, 2015Date of Patent: February 18, 2020Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Patent number: 10559755Abstract: A method of making a carbon nanotube structure includes depositing a first oxide layer on a substrate and a second oxide layer on the first oxide layer; etching a trench through the second oxide layer; removing end portions of the first oxide layer and portions of the substrate beneath the end portions to form cavities in the substrate; depositing a metal in the cavities to form first body metal pads; disposing a carbon nanotube on the first body metal pads and the first oxide layer such that ends of the carbon nanotube contact each of the first body metal layers; depositing a metal to form second body metal pads on the first body metal pads at the ends of the carbon nanotube; and etching to release the carbon nanotube, first body metal pads, and second body metal pads from the substrate, first oxide layer, and second oxide layer.Type: GrantFiled: February 4, 2019Date of Patent: February 11, 2020Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Martin M. Frank, Shu-Jen Han, George S. Tulevski
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Publication number: 20190288211Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: ApplicationFiled: May 29, 2019Publication date: September 19, 2019Inventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Publication number: 20190288210Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: ApplicationFiled: May 29, 2019Publication date: September 19, 2019Inventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Publication number: 20190234800Abstract: A computer-implemented method of forming a thermal-based electronic image of an object that includes receiving electromagnetic radiation emitted by the object at an optically sensitive layer including a superpixel having a plurality of pixels. Each pixel of the plurality of pixels includes a plasmonic absorber having a characteristic resonance wavelength and that generates a radiance measurement of the electromagnetic radiation at its characteristic resonance wavelength. The method further provides for determining, at a processor, an emissivity and temperature for the electromagnetic radiation received at the superpixel using the radiance measurements obtained at the pixels of the superpixel. In addition, the method provides for forming an image of the object from the determined emissivity and temperature.Type: ApplicationFiled: April 10, 2019Publication date: August 1, 2019Inventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Publication number: 20190234801Abstract: A computer-eimplemented thermal imaging device having an optically-sensitive layer that includes a superpixel having at least one pixel. The at least one pixel includes a plasmonic absorber configured to obtain radiance measurements of electromagnetic radiation emitted from an object at a plurality of wavelengths. The device further includes a processor configured to determine an emissivity and temperature for the electromagnetic radiation received at the plasmonic material from the object using the radiance measurements and to form an image of the object from the determined emissivity and temperature.Type: ApplicationFiled: April 10, 2019Publication date: August 1, 2019Inventors: Ali Afzali-Ardakani, Abram L. Falk, Damon B. Farmer, Shu-Jen Han, George S. Tulevski
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Patent number: 10367145Abstract: Structures and methods that include selective electrostatic placement based on a dipole-to-dipole interaction of electron-rich carbon nanotubes onto an electron-deficient pre-patterned surface. The structure includes a substrate with a first surface having a first isoelectric point and at least one additional surface having a second isoelectric point. A self-assembled monolayer is selectively formed on the first surface and includes an electron deficient compound including a deprotonated pendant hydroxamic acid or a pendant phosphonic acid group or a pendant catechol group bound to the first surface. An organic solvent can be used to deposit the electron rich carbon nanotubes on the self-assembled monolayer.Type: GrantFiled: April 17, 2017Date of Patent: July 30, 2019Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Shu-Jen Han, Bharat Kumar, George S. Tulevski