Patents by Inventor Catherine Ramsdale

Catherine Ramsdale 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).

  • Patent number: 11978744
    Abstract: A structure is disclosed, comprising: a first field effect transistor, FET, comprising a first source terminal, a first drain terminal, a first layer or body of semiconductive material arranged to provide a first semiconductive channel connecting the first source terminal to the first drain terminal, and a gate terminal arranged with respect to the first semiconductive channel such that a conductivity of the first semiconductive channel may be controlled by application of a voltage to the gate terminal; and a second FET comprising a second source terminal, a second drain terminal, a second layer or body of semiconductive material arranged to provide a second semiconductive channel connecting the second source terminal to the second drain terminal, and the gate terminal, the second conductive channel being arranged with respect to the gate terminal such that a conductivity of the second channel may be controlled by application of a voltage to the gate terminal.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: May 7, 2024
    Assignee: PRAGMATIC PRINTING LTD.
    Inventors: Richard Price, Catherine Ramsdale, Brian Hardy Cobb, Feras Alkhalil
  • Publication number: 20230387145
    Abstract: A structure is disclosed, comprising: a first field effect transistor, FET, comprising a first source terminal, a first drain terminal, a first layer or body of semiconductive material arranged to provide a first semiconductive channel connecting the first source terminal to the first drain terminal, and a gate terminal arranged with respect to the first semiconductive channel such that a conductivity of the first semiconductive channel may be controlled by application of a voltage to the gate terminal; and a second FET comprising a second source terminal, a second drain terminal, a second layer or body of semiconductive material arranged to provide a second semiconductive channel connecting the second source terminal to the second drain terminal, and the gate terminal, the second conductive channel being arranged with respect to the gate terminal such that a conductivity of the second channel may be controlled by application of a voltage to the gate terminal.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Inventors: Richard PRICE, Catherine RAMSDALE, Brian Hardy COBB, Feras ALKHALIL
  • Publication number: 20230258695
    Abstract: A signal measuring apparatus comprising: signal circuitry configured to receive an input signal to be measured; and memory circuitry coupled to the signal circuitry and configured to store information representing a magnitude of a voltage or a current of the input signal; wherein the memory circuitry comprises a first memory cell having a material which is arranged to switch from a first material state to a second material state in response to a first switching signal being applied thereto, wherein the first memory cell is tuned to a first value for the first switching signal so that a current or voltage with a magnitude at or above the first value will cause the material of the first memory cell to switch from the first material state to second material state; wherein the apparatus is configured to apply a measurement signal indicative of the input signal to the first memory cell for switching the material of the first memory cell from the first material state to the second material state in dependence on a
    Type: Application
    Filed: July 6, 2021
    Publication date: August 17, 2023
    Applicant: Pragmatic Semiconductor Limited
    Inventors: Scott WHITE, Richard PRICE, Feras ALKHALIL, Catherine RAMSDALE, Antony SOU
  • Publication number: 20220359578
    Abstract: A method of manufacturing an electronic circuit (or circuit module) (100) is disclosed. The electronic circuit comprises a transistor (1) and a resistor (2), the transistor comprising a source terminal (11), a drain terminal (12), a gate terminal (13), and a first body (10) of material providing a controllable semi-conductive channel between the source and drain terminals, and the resistor comprises a first resistor terminal (21), a second resistor terminal (22), and a second body (20) of material providing a resistive current path between the first resistor terminal and the second resistor terminal. The method comprises: forming the first body (10); and forming the second body (20), wherein the first body comprises a first quantity (100) of a metal oxide and the second body comprises a second quantity (200) of said metal oxide. Corresponding electronic circuits are disclosed.
    Type: Application
    Filed: August 19, 2020
    Publication date: November 10, 2022
    Inventors: Richard PRICE, Catherine RAMSDALE, Peter Fergus DOWNS
  • Publication number: 20220293591
    Abstract: A method of manufacturing an electronic circuit comprising a first device and at least a second device is disclosed. The first device comprises a first terminal, a second terminal, and a first body of semiconductive material providing a semiconductive path between the first and second terminals, and the second device comprises a third terminal, a fourth terminal, and a second body of material providing a resistive or semiconductive current path between the third terminal and the fourth terminal. The method comprises: forming the first body; and forming the second body, wherein the first body comprises a first quantity of a metal oxide and the second body comprises a second quantity of said metal oxide. Corresponding electronic circuits are disclosed.
    Type: Application
    Filed: August 19, 2020
    Publication date: September 15, 2022
    Inventors: Richard PRICE, Catherine RAMSDALE, Peter Fergus DOWNS, Feras ALKHALIL, Abhishek CHANDRAMOHAN
  • Publication number: 20220130738
    Abstract: The present invention provides for an interposer subassembly that is suitable for an electronic system having at least one integrated circuit (1C) component. The interposer subassembly comprises a flexible base layer, having a first surface and an opposing second surface, at least one active electronic circuit component, operatively integrated within said flexible base layer, and at least one first patterned contact layer, provided on any one of said first surface and said second surface of said flexible base layer and which is configured to operably interface with said at least one active electronic circuit component and the at least one 1C component.
    Type: Application
    Filed: January 31, 2020
    Publication date: April 28, 2022
    Inventors: Brian COBB, Scott WHITE, Ken WILLIAMSON, Anthony SOU, Catherine RAMSDALE, Rob MANN, Neil DAVIES, Joao de OLIVEIRA, Gillian EWERS, Pascaline BOULANGER, Richard PRICE
  • Publication number: 20210265395
    Abstract: A structure is disclosed, comprising: a first field effect transistor, FET, comprising a first source terminal, a first drain terminal, a first layer or body of semiconductive material arranged to provide a first semiconductive channel connecting the first source terminal to the first drain terminal, and a gate terminal arranged with respect to the first semiconductive channel such that a conductivity of the first semiconductive channel may be controlled by application of a voltage to the gate terminal; and a second FET comprising a second source terminal, a second drain terminal, a second layer or body of semiconductive material arranged to provide a second semiconductive channel connecting the second source terminal to the second drain terminal, and the gate terminal, the second conductive channel being arranged with respect to the gate terminal such that a conductivity of the second channel may be controlled by application of a voltage to the gate terminal.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Richard PRICE, Catherine RAMSDALE, Brian Hardy COBB, Feras ALKHALIL
  • Patent number: 11004875
    Abstract: A structure is disclosed, comprising: a first field effect transistor, FET, comprising a first source terminal, a first drain terminal, a first layer or body of semiconductive material arranged to provide a first semiconductive channel connecting the first source terminal to the first drain terminal, and a gate terminal arranged with respect to the first semiconductive channel such that a conductivity of the first semiconductive channel may be controlled by application of a voltage to the gate terminal; and a second FET comprising a second source terminal, a second drain terminal, a second layer or body of semiconductive material arranged to provide a second semiconductive channel connecting the second source terminal to the second drain terminal, and the gate terminal, the second conductive channel being arranged with respect to the gate terminal such that a conductivity of the second channel may be controlled by application of a voltage to the gate terminal.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 11, 2021
    Assignee: PRAGMATIC PRINTING LTD.
    Inventors: Richard Price, Catherine Ramsdale, Brian Hardy Cobb, Feras Alkhalil
  • Patent number: 10622068
    Abstract: A method of manufacturing an electronic circuit comprises: providing an electronic circuit having a first configuration in which the circuit comprises a resistive element having a first resistance, and irradiating at least a part of the resistive element with electromagnetic radiation to change the resistance of the resistive element from the first resistance to a second resistance, the second resistance being lower than the first resistance. A method of storing data comprises: receiving a piece of data to be stored; determining a number according to the data; and irradiating at least part of a resistive element with that number of pulses of electromagnetic radiation to change a resistance of the resistive element from a first resistance to a second resistance, the second resistance being lower than the first resistance. A difference between the first resistance and the second resistance is dependent on the number. Corresponding circuits and data storage systems are disclosed.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 14, 2020
    Assignee: PRAGMATIC PRINTING LTD
    Inventors: Richard Price, Catherine Ramsdale
  • Publication number: 20200035720
    Abstract: A structure is disclosed, comprising: a first field effect transistor, FET, comprising a first source terminal, a first drain terminal, a first layer or body of semiconductive material arranged to provide a first semiconductive channel connecting the first source terminal to the first drain terminal, and a gate terminal arranged with respect to the first semiconductive channel such that a conductivity of the first semiconductive channel may be controlled by application of a voltage to the gate terminal; and a second FET comprising a second source terminal, a second drain terminal, a second layer or body of semiconductive material arranged to provide a second semiconductive channel connecting the second source terminal to the second drain terminal, and the gate terminal, the second conductive channel being arranged with respect to the gate terminal such that a conductivity of the second channel may be controlled by application of a voltage to the gate terminal.
    Type: Application
    Filed: March 27, 2018
    Publication date: January 30, 2020
    Inventors: Richard PRICE, Catherine RAMSDALE, Brian Hardy COBB, Feras ALKHALIL
  • Publication number: 20190130973
    Abstract: A method of manufacturing an electronic circuit comprises: providing an electronic circuit having a first configuration in which the circuit comprises a resistive element having a first resistance, and irradiating at least a part of the resistive element with electromagnetic radiation to change the resistance of the resistive element from the first resistance to a second resistance, the second resistance being lower than the first resistance. A method of storing data comprises: receiving a piece of data to be stored; determining a number according to the data; and irradiating at least part of a resistive element with that number of pulses of electromagnetic radiation to change a resistance of the resistive element from a first resistance to a second resistance, the second resistance being lower than the first resistance. A difference between the first resistance and the second resistance is dependent on the number. Corresponding circuits and data storage systems are disclosed.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 2, 2019
    Inventors: Richard Price, Catherine Ramsdale
  • Patent number: 10204683
    Abstract: A method of manufacturing an electronic circuit comprises: providing an electronic circuit having a first configuration in which the circuit comprises a resistive element having a first resistance, and irradiating at least a part of the resistive element with electromagnetic radiation to change the resistance of the resistive element from the first resistance to a second resistance, the second resistance being lower than the first resistance. A method of storing data comprises: receiving a piece of data to be stored; determining a number according to the data; and irradiating at least part of a resistive element with that number of pulses of electromagnetic radiation to change a resistance of the resistive element from a first resistance to a second resistance, the second resistance being lower than the first resistance. A difference between the first resistance and the second resistance is dependent on the number. Corresponding circuits and data storage systems are disclosed.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: February 12, 2019
    Assignee: Pragmatic Printing Ltd.
    Inventors: Richard Price, Catherine Ramsdale
  • Patent number: 9978600
    Abstract: A method of manufacturing an electronic device comprises: providing a layer of semiconductor material comprising a first portion, a second portion, and a third portion, the third portion connecting the first portion to the second portion and providing a semiconductive channel for electrical current flow between the first and second portions; providing a gate terminal arranged with respect to said third portion such that a voltage may be applied to the gate terminal to control an electrical conductivity of said channel; and processing at least one of the first and second portions so as to have an electrical conductivity greater than an electrical conductivity of the channel when no voltage is applied to the gate terminal. In certain embodiments, the processing comprises exposing at least one of the first and second portions to electromagnetic radiation. The first and second portions may be laser annealed to increase their conductivities.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: May 22, 2018
    Assignee: Pragmatic Printing Ltd.
    Inventors: Richard Price, Catherine Ramsdale
  • Patent number: 9947723
    Abstract: A multiple layer pixel architecture for an active matrix display is provided having a common bus line on a metal level separate from that on which the gate electrodes of the thin-film transistors (TFTs) are formed. A multilayer electronic structure includes a TFT for driving a pixel of an active matrix optoelectronic device and a capacitor for storing charge to maintain an electrical state of said active matrix pixel, wherein the structure includes a substrate bearing at least four conducting layers separated by at least three dielectric layers, first and second ones of said conducting layers defining drain/source electrodes and a gate electrode of said transistor respectively, and third and fourth ones of said conducting layers defining respective first and second plates of said capacitor, wherein said capacitor and said transistor are laterally positioned such that they overlap in a vertical direction.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: April 17, 2018
    Assignee: FlexEnable Limited
    Inventors: Kieran Reynolds, Catherine Ramsdale, Kevin Jacobs, William Reeves
  • Patent number: 9768782
    Abstract: An electronic circuit comprises: an input terminal; an output terminal; first and second supply rails; first, second, third, and fourth field effect transistors, FETs, each of a first type and each having respective gate, source and drain terminals; and first and second loads. The source of the first FET is connected to the first supply rail, the drain of the first FET and the source of the second FET are connected to the output terminal, the drain of the second FET is connected to the second supply rail, the gate of the third FET and the gate of the fourth FET are connected to the input terminal, the drain of the third FET is connected to the second supply rail, the first load is connected between the first supply rail and the source of the third FET, and the second load is connected between the drain of the fourth FET and the second supply rail.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: September 19, 2017
    Assignee: Pragmatic Printing Limited
    Inventors: Joao de Oliveira, Scott Darren White, Catherine Ramsdale
  • Publication number: 20170125249
    Abstract: A method of manufacturing an electronic device comprises: providing a layer of semiconductor material comprising a first portion, a second portion, and a third portion, the third portion connecting the first portion to the second portion and providing a semiconductive channel for electrical current flow between the first and second portions; providing a gate terminal arranged with respect to said third portion such that a voltage may be applied to the gate terminal to control an electrical conductivity of said channel; and processing at least one of the first and second portions so as to have an electrical conductivity greater than an electrical conductivity of the channel when no voltage is applied to the gate terminal. In certain embodiments, the processing comprises exposing at least one of the first and second portions to electromagnetic radiation. The first and second portions may be laser annealed to increase their conductivities.
    Type: Application
    Filed: December 5, 2016
    Publication date: May 4, 2017
    Inventors: Richard Price, Catherine Ramsdale
  • Publication number: 20170040056
    Abstract: A method of manufacturing an electronic circuit comprises: providing an electronic circuit having a first configuration in which the circuit comprises a resistive element having a first resistance, and irradiating at least a part of the resistive element with electromagnetic radiation to change the resistance of the resistive element from the first resistance to a second resistance, the second resistance being lower than the first resistance. A method of storing data comprises: receiving a piece of data to be stored; determining a number according to the data; and irradiating at least part of a resistive element with that number of pulses of electromagnetic radiation to change a resistance of the resistive element from a first resistance to a second resistance, the second resistance being lower than the first resistance. A difference between the first resistance and the second resistance is dependent on the number. Corresponding circuits and data storage systems are disclosed.
    Type: Application
    Filed: April 14, 2015
    Publication date: February 9, 2017
    Inventors: Richard Price, Catherine Ramsdale
  • Publication number: 20160380031
    Abstract: A multiple layer pixel architecture for an active matrix display is provided having a common bus line on a metal level separate from that on which the gate electrodes of the thin-film transistors (TFTs) are formed. A multilayer electronic structure includes a TFT for driving a pixel of an active matrix optoelectronic device and a capacitor for storing charge to maintain an electrical state of said active matrix pixel, wherein the structure includes a substrate bearing at least four conducting layers separated by at least three dielectric layers, first and second ones of said conducting layers defining drain/source electrodes and a gate electrode of said transistor respectively, and third and fourth ones of said conducting layers defining respective first and second plates of said capacitor, wherein said capacitor and said transistor are laterally positioned such that they overlap in a vertical direction.
    Type: Application
    Filed: March 29, 2016
    Publication date: December 29, 2016
    Inventors: Kieran Reynolds, Catherine Ramsdale, Kevin Jacobs, William Reeves
  • Patent number: 9530649
    Abstract: A method of manufacturing an electronic device comprises: providing a layer of semiconductor material comprising a first portion, a second portion, and a third portion, the third portion connecting the first portion to the second portion and providing a semiconductive channel for electrical current flow between the first and second portions; providing a gate terminal arranged with respect to said third portion such that a voltage may be applied to the gate terminal to control an electrical conductivity of said channel; and processing at least one of the first and second portions so as to have an electrical conductivity greater than an electrical conductivity of the channel when no voltage is applied to the gate terminal. In certain embodiments, the processing comprises exposing at least one of the first and second portions to electromagnetic radiation. The first and second portions may be laser annealed to increase their conductivities.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: December 27, 2016
    Assignee: Pragmatic Printing Ltd.
    Inventors: Richard Price, Catherine Ramsdale
  • Publication number: 20160173099
    Abstract: An electronic circuit comprises: an input terminal; an output terminal; first and second supply rails; first, second, third, and fourth field effect transistors, FETs, each of a first type and each having respective gate, source and drain terminals; and first and second loads. The source of the first FET is connected to the first supply rail, the drain of the first FET and the source of the second FET are connected to the output terminal, the drain of the second FET is connected to the second supply rail, the gate of the third FET and the gate of the fourth FET are connected to the input terminal, the drain of the third FET is connected to the second supply rail, the first load is connected between the first supply rail and the source of the third FET, and the second load is connected between the drain of the fourth FET and the second supply rail.
    Type: Application
    Filed: July 16, 2014
    Publication date: June 16, 2016
    Applicant: Pragmatic Printing Ltd
    Inventors: Joao de Oliveira, Scott Darren White, Catherine Ramsdale