Patents by Inventor Evan Colgan
Evan Colgan 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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Publication number: 20230314331Abstract: Techniques for quantitative colorimetric liquid analysis with color and turbidity correction are provided. In one aspect, an optical detector includes: a vessel for containing a liquid sample; a light source on a first side of the vessel; a first sensor on a second side of the vessel opposite the first side and along a light path of the light source; and a second sensor on a third side of the vessel at an angle ? with respect to the light path. A method for quantitative measurement of an analyte is also provided, as is a method for color and turbidity analysis.Type: ApplicationFiled: May 29, 2023Publication date: October 5, 2023Inventors: Minhua Lu, Vince Siu, Russell A. Budd, Youssef Anthony Asaad, Evan Colgan
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Patent number: 11733170Abstract: Techniques for quantitative colorimetric liquid analysis with color and turbidity correction are provided. In one aspect, an optical detector includes: a vessel for containing a liquid sample; a light source on a first side of the vessel; a first sensor on a second side of the vessel opposite the first side and along a light path of the light source; and a second sensor on a third side of the vessel at an angle ? with respect to the light path. A method for quantitative measurement of an analyte is also provided, as is a method for color and turbidity analysis.Type: GrantFiled: August 7, 2019Date of Patent: August 22, 2023Assignee: International Business Machines CorporationInventors: Minhua Lu, Vince Siu, Russell A. Budd, Youssef Anthony Asaad, Evan Colgan
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Publication number: 20230191398Abstract: A method for fabricating a fluidic device includes depositing a sacrificial material on a pillar array arranged on a substrate. The method also includes removing a portion of the sacrificial material. The method further includes depositing a sealing layer on the pillar array to form a sealed fluidic cavity.Type: ApplicationFiled: February 7, 2023Publication date: June 22, 2023Inventors: Evan Colgan, Joshua T. Smith, Benjamin Wunsch
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Patent number: 11651973Abstract: A method and apparatus for bonding a processor wafer with a microchannel wafer/glass manifold to form a bonded wafer structure are provided. A glass fixture is also provided for protecting C4 solder bumps on chips disposed on the processor wafer. When the glass fixture is positioned on the processor wafer, posts extending from the glass fixture contact corresponding regions on the processor wafer devoid of C4 solder bumps, so that the glass fixture protects the C4 solder bumps during wafer bonding. The method involves positioning the processor wafer/glass fixture and the microchannel wafer/glass manifold in a metal fixture having one or more alignment structures adapted to engage corresponding alignment elements formed in the processor wafer, glass fixture and/or glass manifold. The metal fixture secures the wafer components in place and, after melting solder pellets disposed between the processor wafer/glass fixture and microchannel wafer/glass manifold, a bonded wafer structure is formed.Type: GrantFiled: May 8, 2020Date of Patent: May 16, 2023Assignee: International Business Machines CorporationInventors: Jae-Woong Nah, Evan Colgan, Robert P. Kuder, II, James L. Speidell, Bucknell C. Webb
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Patent number: 11612889Abstract: A method for fabricating a fluidic device includes depositing a sacrificial material on a pillar array arranged on a substrate. The method also includes removing a portion of the sacrificial material. The method further includes depositing a sealing layer on the pillar array to form a sealed fluidic cavity.Type: GrantFiled: January 29, 2021Date of Patent: March 28, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Evan Colgan, Joshua T. Smith, Benjamin Wunsch
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Patent number: 11335657Abstract: A data processing system includes a first wafer comprising a plurality of first chips, and kerf and crack-stop structures around perimeters of the first chips, and a second wafer comprising a plurality second chips, a plurality of interconnect structures through a connection zone between the second chips, and a plurality of thru silicon vias, wherein the first wafer and the second wafer are bonded face-to-face such that the interconnect structures of the second wafer electrically connect adjacent chip sites of the first wafer and where a pitch of the chips on the first and second wafer are equal.Type: GrantFiled: September 16, 2020Date of Patent: May 17, 2022Assignee: International Business Machines CorporationInventors: Evan Colgan, Timothy J. Chainer, Monty Montague Denneau, Kai Schleupen, Diego Anzola, Mark D. Schultz, Layne A. Berge
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Patent number: 11307147Abstract: Techniques for colorimetric based test strip analysis and reader system are provided. In one aspect, a method of test strip analysis includes: illuminating a test strip wetted with a sample with select spectrums of light, wherein the test strip includes test pads that are configured to change color in the presence of an analyte in the sample; obtaining at least one digital image of the test strip; and analyzing color intensity from the at least one digital image against calibration curves to determine an analyte concentration in the sample with correction for one or more interference substances in the sample that affect the color intensity. A calibration method and a reader device are also provided.Type: GrantFiled: February 20, 2020Date of Patent: April 19, 2022Assignee: International Business Machines CorporationInventors: Minhua Lu, Vince Siu, Russell Budd, Evan Colgan, John Knickerbocker
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Patent number: 11287404Abstract: An apparatus having a spectrometer and techniques for use thereof for efficient and effective point-of-care diagnostics are provided. In one aspect, a device is provided. The device includes: an intake port; fluidic channels connecting the intake port to a detecting chamber(s), wherein the detecting chamber(s) is configured to permit optical measurements of a fluid sample; a vent leading away from the detecting chamber(s); and a liquid blocker between the detecting chamber(s) and an opening of the vent, wherein the liquid blocker permits air to pass therethrough while at the same time restricting liquid flow. A method for analyzing a fluid sample is also provided. The method includes: introducing the fluid sample to the device; contacting the fluid sample with a reagent(s) prior to the fluid sample entering the detecting chamber(s); and making optical measurements of the fluid sample in the detecting chamber(s).Type: GrantFiled: December 21, 2017Date of Patent: March 29, 2022Assignee: International Business Machines CorporationInventors: Minhua Lu, Vince Siu, Russell Budd, Evan Colgan
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Publication number: 20220084969Abstract: A data processing system includes a first wafer comprising a plurality of first chips, and kerf and crack-stop structures around perimeters of the first chips, and a second wafer comprising a plurality second chips, a plurality of interconnect structures through a connection zone between the second chips, and a plurality of thru silicon vias, wherein the first wafer and the second wafer are bonded face-to-face such that the interconnect structures of the second wafer electrically connect adjacent chip sites of the first wafer and where a pitch of the chips on the first and second wafer are equal.Type: ApplicationFiled: September 16, 2020Publication date: March 17, 2022Inventors: Evan Colgan, Timothy J. Chainer, Monty Montague Denneau, Kai Schleupen, Diego Anzola, Mark D. Schultz, Layne A. Berge
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Patent number: 11273426Abstract: Systems, computer program products, and methods for using a flow cell array are provided herein. A computer program product includes a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a device to cause the device to determine placement of multiple reaction site openings, wherein each reaction site opening is connected to a first sub-surface channel; connect the first sub-surface channel to two or more additional sub-surface channels by multiple vias; and provide a material for multiple reaction sites, wherein an overlap of the multiple reaction site openings and the material delineate the multiple reaction sites.Type: GrantFiled: December 6, 2017Date of Patent: March 15, 2022Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11266971Abstract: Systems, computer program products, and methods for using a flow cell array are provided herein. A system includes at least one processor coupled to a memory and configured for determining placement of multiple reaction site openings, wherein each reaction site opening is connected to a first sub-surface channel; connecting the first sub-surface channel to two or more additional sub-surface channels by multiple vias; and providing a material for multiple reaction sites, wherein an overlap of the multiple reaction site openings and the material delineate the multiple reaction sites.Type: GrantFiled: December 6, 2017Date of Patent: March 8, 2022Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11266972Abstract: Systems, computer program products, and methods for using a flow cell array are provided herein. A system includes at least one processor coupled to a memory and configured for delivering multiple items of chemical matter independently to multiple reaction sites of a flow cell array across multiple distinct instances of time; imaging multiple parallel chemical reactions at the multiple reaction sites of the flow cell array; and recording an emission from each of the multiple chemical reactions site.Type: GrantFiled: December 6, 2017Date of Patent: March 8, 2022Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11266970Abstract: Apparatus, computer program products, and methods for using a flow cell array are provided herein. A computer program product includes a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a device to cause the device to determine placement of one or more reaction sites on a first component; provide a material for the reaction sites in one or more surface channels of the first component; connect the first component to a second component to form an array, wherein the surface channels of the first component connect the reaction sites with one or more vias, and wherein the second component comprises the vias connected to multiple sub-surface channels; and align the surface channels of the first component with the vias of the second component to form a connection between the first component and the second component.Type: GrantFiled: December 4, 2017Date of Patent: March 8, 2022Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11207654Abstract: Systems and methods for using a flow cell array are provided herein. A system includes at least one processor coupled to a memory and configured for determining placement of one or more reaction sites on a first component; providing a material for the one or more reaction sites in one or more surface channels of the first component; connecting the first component to a second component to form an array, wherein the one or more surface channels of the first component connect the one or more reaction sites with one or more vias, and wherein the second component comprises the one or more vias connected to multiple sub-surface channels; and aligning the one or more surface channels of the first component with the one or more vias of the second component to form a connection between the first component and the second component.Type: GrantFiled: December 4, 2017Date of Patent: December 28, 2021Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11179697Abstract: Systems, computer program products, and methods for using a flow cell array are provided herein. A computer program product includes a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a device to cause the device to deliver multiple items of chemical matter independently to multiple reaction sites of a flow cell array across multiple distinct instances of time; image multiple parallel chemical reactions at the multiple reaction sites of the flow cell array; and record an emission from each of the multiple chemical reactions site.Type: GrantFiled: December 6, 2017Date of Patent: November 23, 2021Assignee: International Business Machines CorporationInventors: Evan Colgan, Alexey Y. Lvov, Stanislav Polonsky
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Patent number: 11173486Abstract: A method for fabricating a fluidic device includes depositing a sacrificial material on a pillar array arranged on a substrate. The method also includes removing a portion of the sacrificial material. The method further includes depositing a sealing layer on the pillar array to form a sealed fluidic cavity.Type: GrantFiled: February 13, 2019Date of Patent: November 16, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Evan Colgan, Joshua T. Smith, Benjamin Wunsch
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Publication number: 20210351043Abstract: A method and apparatus for bonding a processor wafer with a microchannel wafer/glass manifold to form a bonded wafer structure are provided. A glass fixture is also provided for protecting C4 solder bumps on chips disposed on the processor wafer. When the glass fixture is positioned on the processor wafer, posts extending from the glass fixture contact corresponding regions on the processor wafer devoid of C4 solder bumps, so that the glass fixture protects the C4 solder bumps during wafer bonding. The method involves positioning the processor wafer/glass fixture and the microchannel wafer/glass manifold in a metal fixture having one or more alignment structures adapted to engage corresponding alignment elements formed in the processor wafer, glass fixture and/or glass manifold. The metal fixture secures the wafer components in place and, after melting solder pellets disposed between the processor wafer/glass fixture and microchannel wafer/glass manifold, a bonded wafer structure is formed.Type: ApplicationFiled: May 8, 2020Publication date: November 11, 2021Inventors: Jae-Woong Nah, Evan Colgan, Robert P. Kuder, II, James L. Speidell, Bucknell C. Webb
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Patent number: 11103867Abstract: Techniques for localized surface modification for microfluidic applications are provided. In one aspect, a method includes: contacting at least one portion of a surface with at least one tri(m)ethoxysilane-containing solution under conditions sufficient to form at least one silane monolayer having a given contact angle on the surface thereby modifying a flow rate over the surface. The silane monolayer can include a silane derivative selected from: trimethoxysilyl-propoxypolyethyleneoxide (TMS-PPEO), hexadecyl-triethoxysilane (HD-TES), tridecafluoro-1,1,2,2-tetrahydrooctyl)triethoxysilane (TDF-THO-TES), and combinations thereof. A device modified in accordance with the present techniques is also provided.Type: GrantFiled: December 13, 2017Date of Patent: August 31, 2021Assignee: International Business Machines CorporationInventors: Minhua Lu, Mareva B. Fevre, James Hedrick, Vince Siu, Evan Colgan, Myron Plugge
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Patent number: 11039765Abstract: A submersible sensor device configured as a small pellet for testing biological and other liquid samples is provided. In one aspect, a sensing device includes: a housing; and one or more sensors contained within the housing, wherein the housing hermetically seals the sensors such that the sensing device is fully submersible in a liquid analyte. A method and system for analysis of a liquid sample using the present sensing device are also provided.Type: GrantFiled: September 26, 2017Date of Patent: June 22, 2021Assignee: International Business Machines CorporationInventors: Vince Siu, Minhua Lu, Evan Colgan, Russell Budd, John U. Knickerbocker
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Patent number: 11022559Abstract: Techniques for optical analysis of fluid samples using sensors and water enhancing agents for in-line measurements with a continuous flow of the fluid samples are provided. In one aspect, a device includes: at least one reagent dispenser located at an introduction point along a conduit, the conduit being configured to contain a flow of a fluid sample; at least one first detector located at a first detection point along the conduit downstream from the introduction point; and at least one second detector located at a second detection point along the conduit downstream from the first detection point, wherein the at least one first detector and the at least one second detector are configured to make optical measurements of the fluid sample. A method employing the device is also provided.Type: GrantFiled: July 18, 2019Date of Patent: June 1, 2021Assignee: International Business Machines CorporationInventors: Russell Budd, Minhua Lu, Vince Siu, Evan Colgan