Patents by Inventor David Clarkson
David Clarkson 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: 12190946Abstract: A disturb mitigation scheme is described for a 1TnC or multi-element ferroelectric gain bit-cell where after writing to a selected capacitor of the bit-cell, a cure phase is initiated. Between the cure phase and the write phase, there may be zero or more cycles where the selected word-line, bit-line, and plate-lines are pulled-down to ground. The cure phase may occur immediately before the write phase. In the cure phase, the word-line is asserted again just like in the write phase. In the cure phase, the voltage on bit-line is inverted compared to the voltage on the bit-line in the write phase. By programming a value in a selected capacitor to be opposite of the value written in the write phase of that selected capacitor, time accumulation of disturb is negated. This allows to substantially zero out disturb field on the unselected capacitors of the same bit-cell and/or other unselected bit-cells.Type: GrantFiled: June 6, 2022Date of Patent: January 7, 2025Assignee: Kepler Computing Inc.Inventors: Rajeev Kumar Dokania, Mustansir Yunus Mukadam, Tanay Gosavi, James David Clarkson, Neal Reynolds, Amrita Mathuriya, Sasikanth Manipatruni
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Patent number: 12147941Abstract: A method for monetizing ferroelectric process development is described. In at least one embodiment, the method comprises procuring a target material based on a model driven selection which is based on charge, mass and magnetic moment, and/or mass of the atomic constituents of the target material. The method further comprises applying the target material to a fabrication process to build a ferroelectric device. The method further comprises generating a notification indicative of procurement of the target material and application of the target material. The method further comprises electronically transmitting the notification to a customer, wherein the notification includes an invoice having a line item associated with a cost of the procuring of the target material and application of the target material.Type: GrantFiled: July 25, 2023Date of Patent: November 19, 2024Assignee: Kepler Computing Inc.Inventors: Sasikanth Manipatruni, Niloy Mukherjee, Noriyuki Sato, Tanay Gosavi, Somilkumar J. Rathi, James David Clarkson, Rajeev Kumar Dokania, Debo Olaosebikan, Amrita Mathuriya
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Publication number: 20240347397Abstract: A method to deposit a multi-layer stack for device applications includes implementing a model driven target selection for deposition. One or more targets may be procured with an initial stoichiometric composition or elemental purity. The targets may be utilized to form the multi-layer stack, and measurements may be made of chemical composition and electrical properties of the multi-layer stack. The measurements may be compared to reference target values and if measurement results are not within tolerance, the composition of the targets can be changed to yield a successive multi-layer stack. The process can be iterated until measurement results are within tolerance of target results. Additional experimentation with post deposition thermal anneal can be performed to optimize multi-layer stack properties.Type: ApplicationFiled: June 27, 2024Publication date: October 17, 2024Applicant: Kepler Computing Inc.Inventors: Sasikanth Manipatruni, Niloy Mukherjee, Noriyuki Sato, Tanay Gosavi, Mauricio Manfrini, Somilkumar J. Rathi, James David Clarkson, Rajeev Kumar Dokania, Debo Olaosebikan, Amrita Mathuriya
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Patent number: 12094511Abstract: A disturb mitigation scheme is described for a 1TnC or multi-element ferroelectric gain bit-cell where after writing to a selected capacitor of the bit-cell, a cure phase is initiated. Between the cure phase and the write phase, there may be zero or more cycles where the selected word-line, bit-line, and plate-lines are pulled-down to ground. The cure phase may occur immediately before the write phase. In the cure phase, the word-line is asserted again just like in the write phase. In the cure phase, the voltage on bit-line is inverted compared to the voltage on the bit-line in the write phase. By programming a value in a selected capacitor to be opposite of the value written in the write phase of that selected capacitor, time accumulation of disturb is negated. This allows to substantially zero out disturb field on the unselected capacitors of the same bit-cell and/or other unselected bit-cells.Type: GrantFiled: June 6, 2022Date of Patent: September 17, 2024Assignee: Kepler Computing Inc.Inventors: Rajeev Kumar Dokania, Mustansir Yunus Mukadam, Tanay Gosavi, James David Clarkson, Neal Reynolds, Amrita Mathuriya, Sasikanth Manipatruni
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Publication number: 20240276734Abstract: A method of fabricating a device comprises forming a multi-layer stack above a first substrate, where multi-layer stack includes a non-linear polar material. In at least one embodiment, method further includes forming a first conductive layer on multi-layer stack and annealing multi-layer stack. A transistor is formed above a second substrate. In at least one embodiment, method also includes forming a second conductive layer above electrode structure and bonding first conductive layer with second conductive layer. After bonding, method includes removing at least a portion of first substrate patterning multi-layer stack to form a memory device.Type: ApplicationFiled: August 12, 2023Publication date: August 15, 2024Applicant: Kepler Computing Inc.Inventors: Biswajeet Guha, Mauricio Manfrini, Noriyuki Sato, James David Clarkson, Abel Fernandez, Somilkumar J. Rathi, Niloy Mukherjee, Tanay Gosavi, Amrita Mathuriya, Rajeev Kumar Dokania, Sasikanth Manipatruni
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Publication number: 20240276735Abstract: A method of fabricating a device comprises forming a multi-layer stack above a first substrate, where multi-layer stack includes a non-linear polar material. In at least one embodiment, method further includes forming a first conductive layer on multi-layer stack and annealing multi-layer stack. A transistor is formed above a second substrate. In at least one embodiment, method also includes forming a second conductive layer above electrode structure and bonding first conductive layer with second conductive layer. After bonding, method includes removing at least a portion of first substrate patterning multi-layer stack to form a memory device.Type: ApplicationFiled: August 12, 2023Publication date: August 15, 2024Applicant: Kepler Computing Inc.Inventors: Biswajeet Guha, Mauricio Manfrini, Noriyuki Sato, James David Clarkson, Abel Fernandez, Somilkumar J. Rathi, Niloy Mukherjee, Tanay Gosavi, Amrita Mathuriya, Rajeev Kumar Dokania, Sasikanth Manipatruni
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Publication number: 20240274651Abstract: A method of fabricating a device comprises forming a multi-layer stack above a first substrate, where multi-layer stack includes a non-linear polar material. In at least one embodiment, method further includes forming a first conductive layer on multi-layer stack and annealing multi-layer stack. A transistor is formed above a second substrate. In at least one embodiment, method also includes forming a second conductive layer above electrode structure and bonding first conductive layer with second conductive layer. After bonding, method includes removing at least a portion of first substrate patterning multi-layer stack to form a memory device.Type: ApplicationFiled: August 11, 2023Publication date: August 15, 2024Applicant: Kepler Computing Inc.Inventors: Biswajeet Guha, Mauricio Manfrini, Noriyuki Sato, James David Clarkson, Abel Fernandez, Somilkumar J. Rathi, Niloy Mukherjee, Tanay Gosavi, Amrita Mathuriya, Rajeev Kumar Dokania, Sasikanth Manipatruni
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Patent number: 12062584Abstract: A method to deposit a multi-layer stack for device applications includes implementing a model driven target selection for deposition. One or more targets may be procured with an initial stoichiometric composition or elemental purity. The targets may be utilized to form the multi-layer stack, and measurements may be made of chemical composition and electrical properties of the multi-layer stack. The measurements may be compared to reference target values and if measurement results are not within tolerance, the composition of the targets can be changed to yield a successive multi-layer stack. The process can be iterated until measurement results are within tolerance of target results. Additional experimentation with post deposition thermal anneal can be performed to optimize multi-layer stack properties.Type: GrantFiled: October 28, 2022Date of Patent: August 13, 2024Assignee: Kepler Computing Inc.Inventors: Sasikanth Manipatruni, Niloy Mukherjee, Noriyuki Sato, Tanay Gosavi, Mauricio Manfrini, Somilkumar J. Rathi, James David Clarkson, Rajeev Kumar Dokania, Debo Olaosebikan, Amrita Mathuriya
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Publication number: 20240211872Abstract: A method for monetizing ferroelectric process development is described. In at least one embodiment, the method comprises procuring a target material based on a model driven selection which is based on charge, mass and magnetic moment, and/or mass of the atomic constituents of the target material. The method further comprises applying the target material to a fabrication process to build a ferroelectric device. The method further comprises generating a notification indicative of procurement of the target material and application of the target material. The method further comprises electronically transmitting the notification to a customer, wherein the notification includes an invoice having a line item associated with a cost of the procuring of the target material and application of the target material.Type: ApplicationFiled: July 25, 2023Publication date: June 27, 2024Applicant: Kepler Computing Inc.Inventors: Sasikanth Manipatruni, Niloy Mukherjee, Noriyuki Sato, Tanay Gosavi, Somilkumar J. Rathi, James David Clarkson, Rajeev Kumar Dokania, Debo Olaosebikan, Amrita Mathuriya
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Publication number: 20230395134Abstract: A disturb mitigation scheme is described for a 1TnC or multi-element ferroelectric gain bit-cell where after writing to a selected capacitor of the bit-cell, a cure phase is initiated. Between the cure phase and the write phase, there may be zero or more cycles where the selected word-line, bit-line, and plate-lines are pulled-down to ground. The cure phase may occur immediately before the write phase. In the cure phase, the word-line is asserted again just like in the write phase. In the cure phase, the voltage on bit-line is inverted compared to the voltage on the bit-line in the write phase. By programming a value in a selected capacitor to be opposite of the value written in the write phase of that selected capacitor, time accumulation of disturb is negated. This allows to substantially zero out disturb field on the unselected capacitors of the same bit-cell and/or other unselected bit-cells.Type: ApplicationFiled: June 3, 2022Publication date: December 7, 2023Applicant: Kepler Computing Inc.Inventors: Rajeev Kumar Dokania, Mustansir Yunus Mukadam, Tanay Gosavi, James David Clarkson, Neal Reynolds, Amrita Mathuriya, Sasikanth Manipatruni
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Patent number: 11832451Abstract: Non lead-based perovskite ferroelectric devices for high density memory and logic applications and methods of fabrication are described. While various embodiments are described with reference to FeRAM, capacitive structures formed herein can be used for any application where a capacitor is desired. For example, the capacitive structure can be used for fabricating ferroelectric based or paraelectric based majority gate, minority gate, and/or threshold gate.Type: GrantFiled: August 6, 2021Date of Patent: November 28, 2023Assignee: KEPLER COMPUTING INC.Inventors: Debraj Guhabiswas, Maria Isabel Perez, Jason Y. Wu, James David Clarkson, Gabriel Antonio Paulius Velarde, Niloy Mukherjee, Noriyuki Sato, Amrita Mathuriya, Sasikanth Manipatruni, Ramamoorthy Ramesh
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Patent number: 11765908Abstract: A method of fabricating a device comprises forming a multi-layer stack above a first substrate, where multi-layer stack includes a non-linear polar material. In at least one embodiment, method further includes forming a first conductive layer on multi-layer stack and annealing multi-layer stack. A transistor is formed above a second substrate. In at least one embodiment, method also includes forming a second conductive layer above electrode structure and bonding first conductive layer with second conductive layer. After bonding, method includes removing at least a portion of first substrate patterning multi-layer stack to form a memory device.Type: GrantFiled: February 10, 2023Date of Patent: September 19, 2023Assignee: KEPLER COMPUTING INC.Inventors: Mauricio Manfrini, Noriyuki Sato, James David Clarkson, Abel Fernandez, Somilkumar J. Rathi, Niloy Mukherjee, Tanay Gosavi, Amrita Mathuriya, Rajeev Kumar Dokania, Sasikanth Manipatruni
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Patent number: 11741428Abstract: A method for monetizing ferroelectric process development is described. In at least one embodiment, the method comprises procuring a target material based on a model driven selection which is based on charge, mass and magnetic moment, and/or mass of the atomic constituents of the target material. The method further comprises applying the target material to a fabrication process to build a ferroelectric device. The method further comprises generating a notification indicative of procurement of the target material and application of the target material. The method further comprises electronically transmitting the notification to a customer, wherein the notification includes an invoice having a line item associated with a cost of the procuring of the target material and application of the target material.Type: GrantFiled: December 23, 2022Date of Patent: August 29, 2023Assignee: Kepler Computing Inc.Inventors: Sasikanth Manipatruni, Niloy Mukherjee, Noriyuki Sato, Tanay Gosavi, Somilkumar J. Rathi, James David Clarkson, Rajeev Kumar Dokania, Debo Olaosebikan, Amrita Mathuriya
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Publication number: 20210313027Abstract: A system and method for creating a patterned timeline that is representative of a patient's medical history is provided. The system generally comprises a processor, a power supply, a display operably connected to the processor, a non-transitory computer-readable medium coupled to the processor and having instructions stored thereon, and a database operably connected to the processor. The processor may query the non-transitory computer-readable medium and/or database for patient health records and parse the patient health records for event data, which may be used to create medical events. The processor may then may then create patterned timelines within the user interface using the medical events so that a healthcare professional may visually navigate a patient's medical history.Type: ApplicationFiled: April 2, 2020Publication date: October 7, 2021Inventor: David Clarkson
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Patent number: 6823853Abstract: The present invention relates to a supercharger system and a method for thermal modeling of a switched reluctance motor for supercharging an internal combustion engine. The supercharger system comprising: A supercharger driven by an electric motor, the motor having a rotor that rotates at an angular speed &ohgr; to draw a mass airflow volume V; a controller that controls the operation of the supercharger; a sensor for sensing a measure of the rotor angular speed &ohgr; and a sensor for sensing the mass airflow volume V. The controller is adapted to calculate using the temperature T of at least one component of the supercharger.Type: GrantFiled: April 24, 2003Date of Patent: November 30, 2004Assignee: Visteon Global Technologies, Inc.Inventors: Ian David Clarkson, Sunoj Cherian George
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Publication number: 20040206341Abstract: The present invention relates to a supercharger system and a method for thermal modeling of a switched reluctance motor for supercharging an internal combustion engine. The supercharger system comprising: A supercharger driven by an electric motor, the motor having a rotor that rotates at an angular speed &ohgr; to draw a mass airflow volume V; a controller that controls the operation of the supercharger; a sensor for sensing a measure of the rotor angular speed &ohgr; and a sensor for sensing the mass airflow volume V. The controller is adapted to calculate using the temperature T of at least one component of the supercharger.Type: ApplicationFiled: April 24, 2003Publication date: October 21, 2004Inventors: Ian David Clarkson, Sunoj Cherian George