Patents by Inventor Archana Kumar
Archana Kumar 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: 20230361242Abstract: A mesa etch may form the geometry of microLED structures. However, the mesa etch may induce defects in the microLED structures that decreases the efficiency of the microLEDs. To correct these defects, a dry etch process may be performed that incrementally removes the surface layers of the microLED structures with the defects. The dry etch may be configured to incrementally remove a small outer layer, and thus may preserve the overall shape of the microLED structures while leaving a smooth surface for the application of a dielectric layer. The dry etch process may include two steps that are repeatedly performed. A first gas may react with the surface to form a gallium compound layer, and a second gas may then selectively remove that layer. The dry etch may include plasma-based etches or reactive thermal etches.Type: ApplicationFiled: May 4, 2022Publication date: November 9, 2023Applicant: Applied Materials, Inc.Inventors: Michel Khoury, Archana Kumar, Jeffrey W. Anthis, Ryan Ley, Alfredo Granados
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Patent number: 11790989Abstract: A method for setting memory elements in a plurality of states includes applying a set signal to a memory element to transition the memory element from a low-current state to a high-current state; applying a partial reset signal to the memory element to transition the memory element from the high-current state to a state between the high-current state and the low-current state; determining whether the state corresponds to a predetermined state; and applying one or more additional partial reset signals to the memory element until the state corresponds to the predetermined current state. The memory element may be coupled in series with a transistor, and a voltage control circuit may apply voltages to the transistor to set and partially reset the memory element.Type: GrantFiled: May 24, 2021Date of Patent: October 17, 2023Assignee: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Siddarth Krishnan, Archana Kumar, Fuxi Cai, Federico Nardi
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Publication number: 20230232727Abstract: Exemplary semiconductor structures for neuromorphic applications may include a first layer overlying a substrate material. The first layer may be or include a first oxide material. The structures may include a second layer disposed adjacent the first layer. The second layer may be or include a second oxide material. The structures may also include an electrode material deposited overlying the second layer.Type: ApplicationFiled: March 28, 2023Publication date: July 20, 2023Applicant: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Archana Kumar, Siddarth Krishnan
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Publication number: 20230178375Abstract: Method of forming film stacks and film stacks for electronic devices are described herein. The methods comprise depositing a molybdenum nucleation layer on a gate oxide layer; depositing a molybdenum layer on the molybdenum nucleation layer; and performing a plasma nitridation process to insert nitrogen atoms into the molybdenum layer to form a work function modulating layer having an effective work function ? 4.5 eV. The plasma nitridation process comprises exposing the molybdenum layer to a radical-rich plasma comprising one or more of N2 or NH3. Some methods further comprise one or more of annealing the work function modulating layer, depositing a conductive layer on the work function modulating layer, or performing an etch process.Type: ApplicationFiled: December 3, 2021Publication date: June 8, 2023Applicant: Applied Materials, Inc.Inventors: Kunal Bhatnagar, Wei Liu, Shashank Sharma, Archana Kumar, Mohith Verghese, Jose Alexandro Romero
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Patent number: 11616195Abstract: Exemplary semiconductor structures for neuromorphic applications may include a first layer overlying a substrate material. The first layer may be or include a first oxide material. The structures may include a second layer disposed adjacent the first layer. The second layer may be or include a second oxide material. The structures may also include an electrode material deposited overlying the second layer.Type: GrantFiled: May 26, 2020Date of Patent: March 28, 2023Assignee: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Archana Kumar, Siddarth Krishnan
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Patent number: 11605741Abstract: Exemplary methods of forming a semiconductor structure may include forming a layer of metal on a semiconductor substrate. The layer of metal may extend along a first surface of the semiconductor substrate. The semiconductor substrate may be or include silicon. The methods may include performing an anneal to produce a metal silicide. The methods may include implanting ions in the metal silicide to increase a barrier height over 0.65 V.Type: GrantFiled: November 23, 2020Date of Patent: March 14, 2023Assignee: Applied Materials, Inc.Inventors: Joshua S. Holt, Lan Yu, Tyler Sherwood, Archana Kumar, Nicolas Louis Gabriel Breil, Siddarth Krishnan
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Publication number: 20220242725Abstract: Embodiments of the present disclosure provide methods of forming solid state dual pore sensors which may be used for biopolymer sequencing and dual pore sensors formed therefrom. In one embodiment, a method of forming a dual pore sensor includes providing a pattern in a surface of a substrate. Generally, the pattern features two fluid reservoirs separated by a divider wall. The method further includes depositing a layer of sacrificial material into the two fluid reservoirs, depositing a membrane layer, patterning two nanopores through the membrane layer, removing the sacrificial material from the two fluid reservoirs, and patterning one or more fluid ports and a common chamber.Type: ApplicationFiled: April 15, 2020Publication date: August 4, 2022Inventors: Joseph R. JOHNSON, Roger QUON, Archana KUMAR, Ryan Scott SMITH, Jeremiah HEBDING, Raghav SREENIVASAN
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Publication number: 20220236250Abstract: Embodiments of the present disclosure provide methods of forming solid state dual pore sensors which may be used for biopolymer sequencing and dual pore sensors formed therefrom. In one embodiment, a dual pore sensor features a substrate having a patterned surface comprising two recessed regions spaced apart by a divider wall and a membrane layer disposed on the patterned surface. The membrane layer, the divider wall, and one or more surfaces of each of the two recessed regions collectively define a first fluid reservoir and a second fluid reservoir. A first nanopore is disposed through a portion of the membrane layer disposed over the first fluid reservoir and a second nanopore is disposed through a portion of the membrane layer disposed over the second fluid reservoir. Herein, opposing surfaces of the divider wall are sloped to each form an angle of less than 90° with a respective reservoir facing surface of the membrane layer.Type: ApplicationFiled: April 15, 2020Publication date: July 28, 2022Inventors: Joseph R. JOHNSON, Roger QUON, Archana KUMAR, Ryan Scott SMITH, Jeremiah HEBDING, Raghav SREENIVASAN
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Publication number: 20220165574Abstract: Exemplary methods of forming a semiconductor structure may include forming a layer of metal on a semiconductor substrate. The layer of metal may extend along a first surface of the semiconductor substrate. The semiconductor substrate may be or include silicon. The methods may include performing an anneal to produce a metal silicide. The methods may include implanting ions in the metal silicide to increase a barrier height over 0.65 V.Type: ApplicationFiled: November 23, 2020Publication date: May 26, 2022Applicant: Applied Materials, Inc.Inventors: Joshua S. Holt, Lan Yu, Tyler Sherwood, Archana Kumar, Nicolas Louis Gabriel Breil, Siddarth Krishnan
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Publication number: 20210280247Abstract: A method for setting memory elements in a plurality of states includes applying a set signal to a memory element to transition the memory element from a low-current state to a high-current state; applying a partial reset signal to the memory element to transition the memory element from the high-current state to a state between the high-current state and the low-current state; determining whether the state corresponds to a predetermined state; and applying one or more additional partial reset signals to the memory element until the state corresponds to the predetermined current state. The memory element may be coupled in series with a transistor, and a voltage control circuit may apply voltages to the transistor to set and partially reset the memory element.Type: ApplicationFiled: May 24, 2021Publication date: September 9, 2021Applicant: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Siddarth Krishnan, Archana Kumar, Fuxi Cai, Federico Nardi
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Patent number: 11017856Abstract: A method for setting memory elements in a plurality of states includes applying a set signal to a memory element to transition the memory element from a low-current state to a high-current state; applying a partial reset signal to the memory element to transition the memory element from the high-current state to a state between the high-current state and the low-current state; determining whether the state corresponds to a predetermined state; and applying one or more additional partial reset signals to the memory element until the state corresponds to the predetermined current state. The memory element may be coupled in series with a transistor, and a voltage control circuit may apply voltages to the transistor to set and partially reset the memory element.Type: GrantFiled: February 18, 2020Date of Patent: May 25, 2021Assignee: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Siddarth Krishnan, Archana Kumar, Fuxi Cai, Federico Nardi
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Publication number: 20200395538Abstract: Exemplary semiconductor structures for neuromorphic applications may include a first layer overlying a substrate material. The first layer may be or include a first oxide material. The structures may include a second layer disposed adjacent the first layer. The second layer may be or include a second oxide material. The structures may also include an electrode material deposited overlying the second layer.Type: ApplicationFiled: May 26, 2020Publication date: December 17, 2020Applicant: Applied Materials, Inc.Inventors: Deepak Kamalanathan, Archana Kumar, Siddarth Krishnan
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Patent number: 10536518Abstract: An operations management system includes a processing system and a memory for storing a resource discovery and capture engine, which is executed by the processing system to discover one or more resources associated with an application in a distributed computing environment in which the one or more resources define a platform for execution of the application, and collect resource configuration information for each of the discovered resources. The resource configuration information comprising data sufficient to replicate the platform to another platform for execution of the application. Once the resource configuration information is collected, the engine generates an application deployment plan that includes the collected resource configuration information.Type: GrantFiled: November 20, 2015Date of Patent: January 14, 2020Assignee: VCE IP Holding Company LLCInventors: Jonathan P. Streete, Mohit Kshirsagar, Akshaya Mahapatra, Archana Kumar, Sazzadul K. Khan
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Patent number: 9444820Abstract: A secure tag generation service is associated with a cloud infrastructure. This service establishes a security context for a particular cloud tenant based on a tenant's security requirements, one or more cloud resource attributes, and the like. The security content is encoded into a data structure, such as a tag that uniquely identifies that security context. The tag is then encrypted. The encrypted tag is then propagated to one or more cloud management services, such as a logging service. When one or more cloud resources are then used, such use is associated with the encrypted security context tag. In this manner, the encrypted tag is used to monitor activities that are required to meet the security context. When it comes time to perform a security or compliance management task, any cloud system logs that reference the encrypted security context tag are correlated to generate a report for the security context.Type: GrantFiled: September 30, 2014Date of Patent: September 13, 2016Assignee: International Business Machines CorporationInventors: Sridhar R. Muppidi, William Alexander Bird, Sreekanth Ramakrishna Iyer, Archana Kumar, Nataraj Nagaratnam
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Patent number: 9444819Abstract: A secure tag generation service is associated with a cloud infrastructure. This service establishes a security context for a particular cloud tenant based on a tenant's security requirements, one or more cloud resource attributes, and the like. The security content is encoded into a data structure, such as a tag that uniquely identifies that security context. The tag is then encrypted. The encrypted tag is then propagated to one or more cloud management services, such as a logging service. When one or more cloud resources are then used, such use is associated with the encrypted security context tag. In this manner, the encrypted tag is used to monitor activities that are required to meet the security context. When it comes time to perform a security or compliance management task, any cloud system logs that reference the encrypted security context tag are correlated to generate a report for the security context.Type: GrantFiled: January 16, 2014Date of Patent: September 13, 2016Assignee: International Business Machines CorporationInventors: Sridhar R. Muppidi, William Alexander Bird, Sreekanth Ramakrishna Iyer, Archana Kumar, Nataraj Nagaratnam
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Patent number: 9363195Abstract: A method, system, and program product for identifying cloud resources are provided, and further a method, system, and program product for configuring cloud resources are provided. The method for identifying cloud resources may include receiving a request with respect to at least one resource in a cloud and determining a set of resources among the at least one resource in the cloud in accordance with the received request. Determining the set of resources may include consulting an ontology including metadata associated with the at least one resource in the cloud and computing the set of resources based on the metadata and the received request. Additionally, the method may include computing a cost factor with respect to the determined set of resources. Furthermore, the method may include rendering, in response to the received request, the determined set of resources and the cost factor with respect to the determined set of resources.Type: GrantFiled: January 22, 2014Date of Patent: June 7, 2016Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Naveen G. Balani, Archana Kumar, Vijay K. Sukthankar
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Publication number: 20160080407Abstract: Embodiments of the present invention provide methods, systems, and computer program products for managing operations in a cloud management system. In one embodiment, after a user submits a request to perform a cloud operation, a contextual security assessment of the requesting user and/or cloud resources on which the requested operation will be performed can be determined. An administrative user can review the contextual security assessments before approving or rejecting the cloud operation, which can help increase safety within the cloud computing environment.Type: ApplicationFiled: September 11, 2014Publication date: March 17, 2016Inventors: Ramamohan Chennamsetty, Sreekanth R. Iyer, Pradeep Kumar Kalale Srinivasa Prasad, Archana Kumar
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Publication number: 20160080478Abstract: Embodiments of the present invention provide methods, systems, and computer program products for managing operations in a cloud management system. In one embodiment, after a user submits a request to perform a cloud operation, a contextual security assessment of the requesting user and/or cloud resources on which the requested operation will be performed can be determined. An administrative user can review the contextual security assessments before approving or rejecting the cloud operation, which can help increase safety within the cloud computing environment.Type: ApplicationFiled: October 30, 2015Publication date: March 17, 2016Inventors: Ramamohan Chennamsetty, Sreekanth R. Iyer, Pradeep Kumar Kalale Srinivasa Prasad, Archana Kumar
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Patent number: 9170845Abstract: A method and apparatus for integrating a converged infrastructure platform in a data center is provided. The described apparatus configures the physical and virtual resources that run on the converged infrastructure to communicate with the rest of the data center. The described apparatus further enables a system administrator to rollback configurations of the physical and virtual resources of the converged infrastructure to restore the converged infrastructure to a factory state.Type: GrantFiled: August 28, 2012Date of Patent: October 27, 2015Assignee: VCE Company, LLCInventors: Mohit Kshirsagar, David Olszewski, Akshaya Mahapatra, Faisal Choudry, Archana Kumar
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Publication number: 20150200941Abstract: A secure tag generation service is associated with a cloud infrastructure. This service establishes a security context for a particular cloud tenant based on a tenant's security requirements, one or more cloud resource attributes, and the like. The security content is encoded into a data structure, such as a tag that uniquely identifies that security context. The tag is then encrypted. The encrypted tag is then propagated to one or more cloud management services, such as a logging service. When one or more cloud resources are then used, such use is associated with the encrypted security context tag. In this manner, the encrypted tag is used to monitor activities that are required to meet the security context. When it comes time to perform a security or compliance management task, any cloud system logs that reference the encrypted security context tag are correlated to generate a report for the security context.Type: ApplicationFiled: January 16, 2014Publication date: July 16, 2015Applicant: International Business Machines CorporationInventors: Sridhar R. Muppidi, William Alexander Bird, Sreekanth Ramakrishna Iyer, Archana Kumar, Nataraj Nagaratnam