Patents Assigned to ARM Ltd.
  • Memory write driver, method and system
    Patent number: 10529420
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a non-volatile memory device may be placed in any one of multiple memory states in a write operation by controlling a current and a voltage applied to terminals of the non-volatile memory device. For example, a write operation may apply a programming signal across terminals of non-volatile memory device having a particular current and a particular voltage for placing the non-volatile memory device in a particular memory state.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 7, 2020
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, Cezary Pietrzyk, George McNeil Lattimore
  • Method, system and device for memory device operation
    Patent number: 10521338
    Abstract: Disclosed are methods, systems and devices for operation of memory device. In one aspect, bit positions of a portion of a memory array may be placed in a first value state. Values to be written to the bit positions may be determined subsequent to placement of the bit positions in the first value state. Values at selected ones of the bit positions may then be changed from the first value state to a second value state while maintaining remaining unselected ones of the bit positions in the first value state so that the bit positions store or represent the values determined to be written to the bit positions.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: December 31, 2019
    Assignee: ARM Ltd.
    Inventors: Joel Thornton Irby, Mudit Bhargava, Alan Jeremy Becker
  • Fabrication of correlated electron material devices with reduced interfacial layer impedance
    Patent number: 10516110
    Abstract: Subject matter disclosed herein may relate to fabrication of correlated electron materials used, for example, to perform a switching function. In embodiments, processes are described, which may be useful in avoiding formation of a potentially resistive oxide layer at an interfacial surface between a conductive substrate, for example, and a correlated electron material.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: December 24, 2019
    Assignee: ARM Ltd.
    Inventors: Kimberly Gay Reid, Lucian Shifren
  • Method and apparatus for maintenance of electric motor
    Patent number: 10516322
    Abstract: An electric motor is disclosed having a detachable stator tooth. In some implementations, coil windings of the electric motor may be coupled to one or more drivers independently of other coil windings. A method of repairing and manufacturing an electric motor having a detachable stator tooth is also disclosed.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 24, 2019
    Assignee: ARM Ltd.
    Inventor: David Victor Pietromonaco
  • Method, system and device for non-volatile memory device operation
    Patent number: 10510416
    Abstract: Disclosed are methods, systems and devices for operation of correlated electron switch (CES) devices. In one aspect, a CES device may be placed in any one of multiple impedance states in a write operation by controlling a current and a voltage applied to terminals of the non-volatile memory device. In one implementation, a CES device may be placed in a high impedance or insulative state, or two more distinguishable low impedance or conductive states.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: December 17, 2019
    Assignee: ARM Ltd.
    Inventors: Mudit Bhargava, Glen Arnold Rosendale
  • Method, system and device for non-volatile memory device operation with low power, high speed and high density
    Patent number: 10504593
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a read operation or a particular write operation may be performed on a correlated electron switch (CES) device by coupling a terminal of the CES device to a particular node through any one of multiple different resistive paths.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: December 10, 2019
    Assignee: ARM Ltd.
    Inventor: Glen Arnold Rosendale
  • Controlling dopant concentration in correlated electron materials
    Patent number: 10454026
    Abstract: Subject matter disclosed herein may relate to fabrication of a correlated electron material (CEM) device. In embodiments, after formation of the one or more CEM traces, a spacer may be deposited in contact with the one or more CEM traces. The spacer may operate to control an atomic concentration of dopant within the one or more CEM traces by replenishing dopant that may be lost during subsequent processing and/or by forming a seal to reduce further loss of dopant from the one or more CEM traces.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: October 22, 2019
    Assignee: ARM Ltd.
    Inventors: Lucian Shifren, Kimberly Gay Reid, Gregory Munson Yeric
  • Correlated electron switch structures and applications
    Patent number: 10446609
    Abstract: Subject matter disclosed herein may relate to devices formed from correlated electron material.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 15, 2019
    Assignee: ARM Ltd.
    Inventors: Lucian Shifren, Kimberly Gay Reid, Gregory Munson Yeric
  • Programmable current for correlated electron switch
    Patent number: 10447260
    Abstract: Subject matter disclosed herein may relate to programmable current for correlated electron switches.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 15, 2019
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, George McNeil Lattimore, Robert Campbell Aitken
  • Method, system and device for non-volatile memory device operation
    Patent number: 10431304
    Abstract: Disclosed are methods, systems and devices for operation of non-volatile memory devices. In one aspect, a correlated electron switch (CES) device may be placed in any one of multiple memory states in a write operation. Limiting current between terminals of the non-volatile memory device during read operations may enable use of higher voltages for higher realized gain. Additionally, bipolar write operations for set and reset may enable an increased write window and enhanced durability for a CES device.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: October 1, 2019
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Vivek Asthana, Piyush Agarwal, Akshay Kumar, Lucian Shifren
  • Formation of correlated electron material (CEM) device via dopant deposition and anneal
    Patent number: 10418553
    Abstract: Subject matter disclosed herein may relate to fabrication of a correlated electron material (CEM) switch. In particular embodiments, formation of a CEM switch may comprise depositing metal layers, such layers of a transition metal, over a conductive substrate. Dopant layers may subsequently be deposited on the layers of the transition metal, followed by annealing of the layers of transition metal and dopant layers. Responsive to annealing, dopant from the dopant layers may diffuse into the one or more layers of transition metal, thereby forming a CEM.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: September 17, 2019
    Assignee: ARM Ltd.
    Inventors: Lucian Shifren, Carlos Alberto Paz de Araujo, Jolanta Bozena Celinska, Christopher Randolph McWilliams
  • Method, system and device for complementary non-volatile memory device operation
    Patent number: 10388377
    Abstract: Disclosed are methods, systems and devices for operation of dual non-volatile memory devices. In one aspect, a pair of non-volatile memory device coupled in series may be placed in complementary memory states any one of multiple memory states in a write operation by controlling a current and a voltage applied to terminals of the non-volatile memory device.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 20, 2019
    Assignee: ARM Ltd.
    Inventors: Azeez Bhavnagarwala, Robert Campbell Aitken, Lucian Shifren
  • Circuit and method for configurable impedance array
    Patent number: 10381076
    Abstract: A configurable impeder is provided. The configurable impeder comprises of multiple CESs. Each of the CESs is capable of being configured into one of a plurality of impedance states. Further, a programing circuit is provided. The programing circuit provides a plurality of programing signals in dependence of an input signal. Each programing signal configures an impedance state of a respective CES from the plurality of CESs.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: August 13, 2019
    Assignee: ARM Ltd.
    Inventors: Azeez Jennudin Bhavnagarwala, Vikas Chandra, Brian Tracy Cline
  • Fabrication of correlated electron material films with varying atomic or molecular concentrations of dopant species
    Patent number: 10381560
    Abstract: Subject matter disclosed herein may relate to fabrication of layered correlated electron materials (CEMs) in which a first group of one or more layers may comprise a first concentration of a dopant species, and wherein a second group of one or more layers may comprise a second concentration of a dopant species. In other embodiments, a CEM may comprise one or more regions of graded concentration of a dopant species.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: August 13, 2019
    Assignee: ARM Ltd.
    Inventors: Kimberly Gay Reid, Lucian Shifren
  • Controlling current through correlated electron switch elements during programming operations
    Patent number: 10373680
    Abstract: Subject matter disclosed herein may relate to correlated electron switch elements and, more particularly, to controlling current through correlated electron switch elements during programming operations.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: August 6, 2019
    Assignee: ARM Ltd.
    Inventors: Mudit Bhargava, Glen Arnold Rosendale, Akshay Kumar, Piyush Agarwal, Shidhartha Das
  • Systems, devices, and/or processes for tracking behavioral and/or biological state
    Patent number: 10373466
    Abstract: Subject matter disclosed herein may relate to systems, devices, and/or processes for tracking signals and/or states representative of behavioral and/or biological state.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 6, 2019
    Assignee: ARM Ltd.
    Inventor: Renee Marie St Amant
  • Circuit and method for monitoring correlated electron switches
    Patent number: 10354727
    Abstract: A monitoring circuit for a CES element is provided. The circuit includes a control circuit and an output circuit. The control circuit is configured to vary a control signal provided to the CES element. The control signal may be varied for determining an impedance state of the CES element. The output circuit provided an output signal in dependence on the determined impedance state of the CES element.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: July 16, 2019
    Assignee: ARM Ltd.
    Inventors: Bal S. Sandhu, Robert Aitken, George Lattimore
  • Voltage detection with correlated electron switch
    Patent number: 10352971
    Abstract: Subject matter disclosed herein may relate to correlated electron switch devices, and may relate more particularly to voltage detection with correlated electron switch devices.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 16, 2019
    Assignee: ARM Ltd.
    Inventors: Mudit Bhargava, Glen Arnold Rosendale, Shidhartha Das
  • Forming and operating memory devices that utilize correlated electron material (CEM)
    Patent number: 10340453
    Abstract: Subject matter disclosed herein may relate to fabrication of correlated electron materials (CEMs) devices used, for example, to read from a resistive memory element or to write to a resistive memory element. In embodiments, by limiting current flow through a CEM device, the CEM device may operate in the absence of Mott and/or Mott-like transitions in a way that brings about symmetrical diode-like operation of the CEM device.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: July 2, 2019
    Assignee: ARM Ltd.
    Inventors: Glen Arnold Rosendale, Lucian Shifren
  • Method and apparatus for operating an electric motor
    Patent number: 10312845
    Abstract: Apparatus and methods are provided for operating an electric motor, comprising selectively energizing the coils of a stator having a plurality of stator teeth, each stator tooth having a said coil mounted thereon. The stator coils of a subset of the stator teeth are energized during a given time period to attract a corresponding rotor tooth into alignment with each of the stator teeth in the subset over the given time period. The stator coil of at least one stator tooth in the subset is energized during a portion of the given time period before the at least one stator tooth overlaps the corresponding rotor tooth.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 4, 2019
    Assignee: ARM Ltd.
    Inventor: David Victor Pietromonaco