Patents by Inventor Sriram Muthukumar
Sriram Muthukumar 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: 20230408499Abstract: Disclosed herein are devices, apparatus, systems, methods and kits for performing immunoassay tests on a sample. The A sensing apparatus is provided for detecting a plurality of different target analytes in a sample. The apparatus may comprise an array of sensing devices provided on a substrate, each sensing device in the array comprising a working electrode having (1) semiconducting nanostructures disposed thereon and (2) a capture reagent coupled to the semiconducting nanostructures that selectively binds to a different target analyte in the sample. The apparatus may also comprise sensing circuitry that (1) simultaneously detects changes to electron and ion mobility and charge accumulation in the array of sensing devices when the capture reagents in the array of sensing devices selectively bind to the plurality of different target analytes, and (2) determines the presence and concentrations of the plurality of different target analytes in the sample based on the detected changes.Type: ApplicationFiled: August 2, 2023Publication date: December 21, 2023Applicants: EnLiSense LLC, Board of Regents, The University of Texas SystemInventors: Sriram Muthukumar, Shalini Prasad
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Patent number: 11782055Abstract: Disclosed herein are devices, apparatus, systems, methods and kits for performing immunoassay tests on a sample. The A sensing apparatus is provided for detecting a plurality of different target analytes in a sample. The apparatus may comprise an array of sensing devices provided on a substrate, each sensing device in the array comprising a working electrode having (1) semiconducting nanostructures disposed thereon and (2) a capture reagent coupled to the semiconducting nanostructures that selectively binds to a different target analyte in the sample. The apparatus may also comprise sensing circuitry that (1) simultaneously detects changes to electron and ion mobility and charge accumulation in the array of sensing devices when the capture reagents in the array of sensing devices selectively bind to the plurality of different target analytes, and (2) determines the presence and concentrations of the plurality of different target analytes in the sample based on the detected changes.Type: GrantFiled: October 19, 2017Date of Patent: October 10, 2023Assignees: EnLiSense, LLC, Board of Regents, The University of Texas SystemInventors: Sriram Muthukumar, Shalini Prasad
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Publication number: 20220160265Abstract: Electrical characteristics of an electrical signal generated by an affinity-based senor are detected, where the affinity-based sensor is configured to bind to a particular biomarker within a body fluid sample and generate the electrical signal based on binding to the particular biomarker. One or more biometric characteristics of a subject are further detected from one or more other sensors. A data set comprising data describing each of the electrical characteristics and each of the one or more biometric characteristics is provided as an input to a machine learning model, which generates an output based on the input that identifies an amount of the particular biomarker present in the body fluid sample based on the input.Type: ApplicationFiled: November 24, 2021Publication date: May 26, 2022Inventors: Devangsingh Gajendarsingh Sankhala, Sriram Muthukumar
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Patent number: 11217516Abstract: A stacked-chip apparatus includes a package substrate and an interposer with a chip stack disposed with a standoff that matches the interposer. A package-on-package stacked-chip apparatus includes a top package disposed on the interposer.Type: GrantFiled: December 21, 2018Date of Patent: January 4, 2022Assignee: Intel CorporationInventors: Sriram Muthukumar, Charles A. Gealer
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Publication number: 20210325380Abstract: A sensor device includes a porous substrate layer and an array of sensors to accept a sample. The array of sensors includes a plurality of sensors, each of the plurality of sensors includes respective semiconducting nanostructures with a respective capture reagent coupled to the semiconducting nanostructures that selectively binds to a respective target analyte in the sample. The array of sensors includes a first subset of sensors with first capture reagents to bind to biomarkers characteristic of a particular disease and a second subset of sensors with second capture reagents to bind to one of cytokines, chemokines, enzymes, metabolites, or antibodies present in the sample.Type: ApplicationFiled: April 20, 2021Publication date: October 21, 2021Applicant: EnLiSense, LLCInventor: Sriram Muthukumar
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Publication number: 20200054259Abstract: Systems, methods, and devices include a high-density analog multiplexer topology. Such topologies can be used, for example, in sensor device applications. An analog multiplexer circuit can include circuitry to receive N input signals; and circuitry to generate N selection signals for selecting one of said N data signals to be output from said analog multiplexer circuit. The analog multiplexer comprises one or more analog impedances.Type: ApplicationFiled: August 16, 2019Publication date: February 20, 2020Applicant: EnLiSense, LLCInventors: Devangsingh Gajendarsingh Sankhala, Sriram Muthukumar
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Publication number: 20190250153Abstract: Disclosed herein are devices, apparatus, systems, methods and kits for performing immunoassay tests on a sample. The A sensing apparatus is provided for detecting a plurality of different target analytes in a sample. The apparatus may comprise an array of sensing devices provided on a substrate, each sensing device in the array comprising a working electrode having (1) semiconducting nanostructures disposed thereon and (2) a capture reagent coupled to the semiconducting nanostructures that selectively binds to a different target analyte in the sample. The apparatus may also comprise sensing circuitry that (1) simultaneously detects changes to electron and ion mobility and charge accumulation in the array of sensing devices when the capture reagents in the array of sensing devices selectively bind to the plurality of different target analytes, and (2) determines the presence and concentrations of the plurality of different target analytes in the sample based on the detected changes.Type: ApplicationFiled: October 19, 2017Publication date: August 15, 2019Applicants: EnLiSense, LLC, Board of Regents, The University of Texas SystemInventors: Sriram Muthukumar, Shalini Prasad
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Publication number: 20190148275Abstract: A stacked-chip apparatus includes a package substrate and an interposer with a chip stack disposed with a standoff that matches the interposer. A package-on-package stacked-chip apparatus includes a top package disposed on the interposer.Type: ApplicationFiled: December 21, 2018Publication date: May 16, 2019Inventors: Sriram MUTHUKUMAR, Charles A. GEALER
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Publication number: 20190069818Abstract: A biosensor device includes a porous substrate, where the substrate comprises semiconductor elements functionalized to conjugate with a particular analyte, the semiconductor elements are embedded within at least a portion of the substrate, and the substrate is to absorb fluid capable of carrying the particular analyte. The device further includes two or more electrodes attached to the substrate to correspond to the portion of the substrate, where the portion of the substrate further comprises Room-Temperature Ionic Liquid (RTIL).Type: ApplicationFiled: September 6, 2018Publication date: March 7, 2019Inventors: Shalini Prasad, Sriram Muthukumar
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Patent number: 10186480Abstract: A stacked-chip apparatus includes a package substrate and an interposer with a chip stack disposed with a standoff that matches the interposer. A package-on-package stacked-chip apparatus includes a top package disposed on the interposer.Type: GrantFiled: January 14, 2013Date of Patent: January 22, 2019Assignee: INTEL CORPORATIONInventors: Sriram Muthukumar, Charles A. Gealer
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Patent number: 10134689Abstract: A wafer level package device and method are disclosed that include a warpage compensation metal adhered to a backside of a semiconductor wafer for minimizing warpage of the semiconductor wafer, where multiple metal features have been formed on the device side of the semiconductor substrate. The warpage compensation metal may include a copper film.Type: GrantFiled: September 29, 2016Date of Patent: November 20, 2018Assignee: MAXIM INTEGRATED PRODUCTS, INC.Inventors: Vivek S. Sridharan, Amit S. Kelkar, Sriram Muthukumar
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Patent number: 10006882Abstract: An example biosensor is provided and includes a semiconductor sensing element, a first electrode and a second electrode located on a first plane of the sensing element with a first electric field being applied thereacross, a third electrode located on a second plane of the sensing element parallel to and removed from the first plane with a second electric field being applied across the first electrode and the third electrode perpendicular to the first electric field, and a dielectric substrate having a first portion that constrains a fluid including an analyte on a surface of the sensing element, and a second portion that facilitates dielectric separation of the fluid from the electrodes. The mutually perpendicular electric fields facilitate adjusting a height of a fluid-sensor interface comprising an electrical double layer in the fluid enabling detection and characterization of the analyte.Type: GrantFiled: November 20, 2015Date of Patent: June 26, 2018Assignee: EnLiSense, LLCInventors: Shalini Prasad, Sriram Muthukumar, Anjan Panneer Selvam
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Patent number: 9806047Abstract: A wafer level package, electronic device including the wafer level package, and fabrication methods are described that include forming a cantilever pillar design as a portion of the wafer level package and/or a segmented solder connection for preventing and reducing connection stress and increasing board level reliability. In implementations, the wafer level device that employs example techniques in accordance with the present disclosure includes at least a section of a processed semiconductor wafer including at least one integrated circuit die, a first dielectric layer disposed on the processed semiconductor wafer, a first pillar, a second pillar formed on the first pillar, a second dielectric layer formed on the first dielectric layer and surrounding a portion of the first pillar and the second pillar, and at least one solder ball disposed on the second pillar.Type: GrantFiled: September 22, 2014Date of Patent: October 31, 2017Assignee: Maxim Integrated Products, Inc.Inventors: Karthik Thambidurai, Peter R. Harper, Sriram Muthukumar, Arkadii V. Samoilov
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Patent number: 9728515Abstract: This disclosure relates generally to a wafer having a plurality of semiconductor chips having a major surface, a metal contact positioned on one of the plurality of semiconductor chips and having a side surface and contact surface, the contact surface substantially parallel to the major surface, wherein the contact surface defines a thickness of the metal contact relative to the major surface, an underfill layer abutting the one of the plurality of semiconductor chips and the side surface of the metal contact, the underfill layer having a top surface substantially parallel to the major surface, wherein the top surface of the underfill layer defines a thickness of the underfill layer relative to the major surface, the thickness of the underfill layer being not greater than the thickness of the metal contact, and a solder bump formed in electrical contact with the contact surface of the metal contact.Type: GrantFiled: May 4, 2016Date of Patent: August 8, 2017Assignee: Intel CorporationInventors: Rubayat Mahmud, Saikumar Jayaraman, Sriram Muthukumar
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Publication number: 20160247774Abstract: This disclosure relates generally to a wafer having a plurality of semiconductor chips having a major surface, a metal contact positioned on one of the plurality of semiconductor chips and having a side surface and contact surface, the contact surface substantially parallel to the major surface, wherein the contact surface defines a thickness of the metal contact relative to the major surface, an underfill layer abutting the one of the plurality of semiconductor chips and the side surface of the metal contact, the underfill layer having a top surface substantially parallel to the major surface, wherein the top surface of the underfill layer defines a thickness of the underfill layer relative to the major surface, the thickness of the underfill layer being not greater than the thickness of the metal contact, and a solder bump formed in electrical contact with the contact surface of the metal contact.Type: ApplicationFiled: May 4, 2016Publication date: August 25, 2016Inventors: Rubayat Mahmud, Saikumar Jayaraman, Sriram Muthukumar
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Publication number: 20160146754Abstract: An example biosensor is provided and includes a semiconductor sensing element, a first electrode and a second electrode located on a first plane of the sensing element with a first electric field being applied thereacross, a third electrode located on a second plane of the sensing element parallel to and removed from the first plane with a second electric field being applied across the first electrode and the third electrode perpendicular to the first electric field, and a dielectric substrate having a first portion that constrains a fluid including an analyte on a surface of the sensing element, and a second portion that facilitates dielectric separation of the fluid from the electrodes. The mutually perpendicular electric fields facilitate adjusting a height of a fluid-sensor interface comprising an electrical double layer in the fluid enabling detection and characterization of the analyte.Type: ApplicationFiled: November 20, 2015Publication date: May 26, 2016Inventors: Shalini Prasad, Sriram Muthukumar, Anjan Panneer Selvam
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Patent number: 9349698Abstract: This disclosure relates generally to a wafer having a plurality of semiconductor chips having a major surface, a metal contact positioned on one of the plurality of semiconductor chips and having a side surface and contact surface, the contact surface substantially parallel to the major surface, wherein the contact surface defines a thickness of the metal contact relative to the major surface, an underfill layer abutting the one of the plurality of semiconductor chips and the side surface of the metal contact, the underfill layer having a top surface substantially parallel to the major surface, wherein the top surface of the underfill layer defines a thickness of the underfill layer relative to the major surface, the thickness of the underfill layer being not greater than the thickness of the metal contact, and a solder bump formed in electrical contact with the contact surface of the metal contact.Type: GrantFiled: June 27, 2012Date of Patent: May 24, 2016Assignee: Intel CorporationInventors: Rubayat Mahmud, Saikumar Jayaraman, Sriram Muthukumar
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Publication number: 20150279799Abstract: A wafer level package, electronic device including the wafer level package, and fabrication methods are described that include forming a cantilever pillar design as a portion of the wafer level package and/or a segmented solder connection for preventing and reducing connection stress and increasing board level reliability. In implementations, the wafer level device that employs example techniques in accordance with the present disclosure includes at least a section of a processed semiconductor wafer including at least one integrated circuit die, a first dielectric layer disposed on the processed semiconductor wafer, a first pillar, a second pillar formed on the first pillar, a second dielectric layer formed on the first dielectric layer and surrounding a portion of the first pillar and the second pillar, and at least one solder ball disposed on the second pillar.Type: ApplicationFiled: September 22, 2014Publication date: October 1, 2015Inventors: Karthik Thambidurai, Peter R. Harper, Sriram Muthukumar, Arkadii V. Samoilov
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Patent number: 8860205Abstract: Embodiments of the present invention relate to a method of stiffening a semiconductor coreless package substrate to improve rigidity and resistance against warpage. An embodiment of the method comprises disposing a sacrificial mask on a plurality of contact pads on a second level interconnect (package-to-board interconnect) side of a coreless package substrate, forming a molded stiffener around the sacrificial mask without increasing the effective thickness of the substrate, and removing the sacrificial mask to form a plurality of cavities in the molded stiffener corresponding to the contact pads. Embodiments also include plating the surface of the contact pads and the sidewalls of the cavities in the molded cavities with an electrically conductive material.Type: GrantFiled: August 16, 2010Date of Patent: October 14, 2014Assignee: Intel CorporationInventors: Sriram Muthukumar, Nicholas R. Watts, John S. Guzek
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Publication number: 20140001631Abstract: This disclosure relates generally to a wafer having a plurality of semiconductor chips having a major surface, a metal contact positioned on one of the plurality of semiconductor chips and having a side surface and contact surface, the contact surface substantially parallel to the major surface, wherein the contact surface defines a thickness of the metal contact relative to the major surface, an underfill layer abutting the one of the plurality of semiconductor chips and the side surface of the metal contact, the underfill layer having a top surface substantially parallel to the major surface, wherein the top surface of the underfill layer defines a thickness of the underfill layer relative to the major surface, the thickness of the underfill layer being not greater than the thickness of the metal contact, and a solder bump formed in electrical contact with the contact surface of the metal contact.Type: ApplicationFiled: June 27, 2012Publication date: January 2, 2014Inventors: Rubayat Mahmud, Saikumar Jayaraman, Sriram Muthukumar