Patents by Inventor Bhaskar Kumar

Bhaskar 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).

  • Publication number: 20240154981
    Abstract: Systems and methods for monitoring network activity. The methods include receiving at an interface a first logging parameter for a first network device, wherein the first logging parameter specifies how the first network device is to record data associated with the first network device; communicating the first logging parameter to the first network device; and indicating to the first network device a first network-accessible location to where the first network device is to transmit its recorded data, wherein the first network device is configured to record data in accord with the first logging parameter and transmit the recorded data to the first network-accessible location.
    Type: Application
    Filed: December 17, 2022
    Publication date: May 9, 2024
    Inventors: Avni Bhupendrakumar Wala, Yogesh Kumar Bansal, Bhaskar Sen, Sowri Raju Bathineni, Sumit Jindal
  • Patent number: 11978039
    Abstract: The innovation discloses systems, methods and computer program products that reduce complexity and associated measures that are taken to ensure trust in secured transactions as necessitated by requirements present only in an ecommerce environment that do not have a parallel with traditional bricks and mortar commercial transactions. The innovation enables a multitude of mobile wallet applications to engage and obtain services from ecommerce applications wherein backend processing by a mobile wallet server obtains and delivers funds to ecommerce applications without sharing a subset of sensitive data, associated with a mobile wallet application user for the secured transactions. The innovation further provides for a wallet network to be initiated and engaged in which the secured transactions can take place, adopting and adapting social network application connectivity.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: May 7, 2024
    Assignee: Wells Fargo Bank, N.A.
    Inventors: Sudheendranath R. Bhatt, Ramanathan Ramanathan, Sai Krishna Madhavi Chitta, Rahul N. Jain, Pradeep R. Kumar, Rameshchandra Bhaskar Ketharaju, Mushnuri Veera Venkata Kiran Kumar
  • Publication number: 20240124440
    Abstract: Described herein are compounds that are TYK2 inhibitors, methods of making such compounds, pharmaceutical compositions and medicaments comprising such compounds, and methods of using such compounds in the treatment of conditions, diseases, or disorders that would benefit from modulation of TYK2 activity.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 18, 2024
    Inventors: Anjali PANDEY, Gregory DIETSCH, Bhaskar CHAUDHURI, Swapan Kumar SAMANTA, Seetharaman MANOJVEER, Mahesh THAKKAR, Athisayamani Jeyaraj DURAISWAMY, Sukesh KALVA
  • Patent number: 11959174
    Abstract: Embodiments described herein relate to magnetic and electromagnetic systems and a method for controlling the density profile of plasma generated in a process volume of a PECVD chamber to affect deposition profile of a film on a substrate and/or facilitate chamber cleaning after processing. In one embodiment, a system is disclosed that includes a rotational magnetic housing disposed about an exterior sidewall of a chamber. The rotational magnetic housing includes a plurality of magnets coupled to a sleeve that are configured to travel in a circular path when the rotational magnetic housing is rotated around the chamber, and a plurality of shunt doors movably disposed between the chamber and the sleeve, wherein each of the shunt doors are configured to move relative to the magnets.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 16, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Kallol Bera, Sathya Swaroop Ganta, Timothy Joseph Franklin, Kaushik Alayavalli, Akshay Dhanakshirur, Stephen C. Garner, Bhaskar Kumar
  • Patent number: 11949568
    Abstract: In an example, a method includes obtaining, for a software-defined wide area network (SD-WAN) system having a plurality of a wide area network (WAN) links for an SD-WAN service, a first service level agreement (SLA) rule that matches a first application, the first SLA rule having a first priority that indicates a priority of the first application; obtaining, for the SD-WAN system, a second SLA rule that matches a second application, the second SLA rule having a second priority that indicates a priority of the second application; assigning, for the SD-WAN system, the first application and the second application to a first WAN link of the plurality of WAN links; and in response to determining that the first WAN link has violated the first SLA rule that matches the first application, assigning, by the SD-WAN system, the second application to a second WAN link of the plurality of WAN links.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: April 2, 2024
    Assignee: Juniper Networks, Inc.
    Inventors: Rajneesh Kumar, Sankar Ramamoorthi, Vijay Sai Ram Paruchuri, Unni Dilip, Bhaskar Jain
  • Patent number: 11859275
    Abstract: Implementations of the present disclosure generally relate to hardmask films and methods for depositing hardmask films. More particularly, implementations of the present disclosure generally relate to tungsten carbide hardmask films and processes for depositing tungsten carbide hardmask films. In one implementation, a method of forming a tungsten carbide film is provided. The method comprises forming a tungsten carbide initiation layer on a silicon-containing surface of a substrate at a first deposition rate. The method further comprises forming a tungsten carbide film on the tungsten carbide initiation layer at a second deposition rate, wherein the second deposition rate is greater than the first deposition rate.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 2, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Vivek Bharat Shah, Anup Kumar Singh, Bhaskar Kumar, Ganesh Balasubramanian
  • Publication number: 20230343586
    Abstract: Embodiments of the present disclosure generally relate to methods for cleaning a chamber comprising introducing a gas to a processing volume of the chamber, providing a first radiofrequency (RF) power having a first frequency of about 40 MHz or greater to a lid of the chamber, providing a second RF power having a second frequency to an electrode disposed in a substrate support within the processing volume, and removing at least a portion of a film disposed on a surface of a chamber component of the chamber. The second frequency is about 10 MHz to about 20 MHz.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Anup Kumar SINGH, Rick KUSTRA, Vinayak Vishwanath HASSAN, Bhaskar KUMAR, Krishna NITTALA, Pramit MANNA, Kaushik ALAYAVALLI, Ganesh BALASUBRAMANIAN
  • Patent number: 11721545
    Abstract: Embodiments of the present disclosure generally relate to methods of depositing carbon film layers greater than 3,000 ? in thickness over a substrate and surface of a lid of a chamber using dual frequency, top, sidewall and bottom sources. The method includes introducing a gas to a processing volume of a chamber. A first radiofrequency (RF) power is provided having a first frequency of about 40 MHz or greater to a lid of the chamber. A second RF power is provided having a second frequency to a bias electrode disposed in a substrate support within the processing volume. The second frequency is about 10 MHz to about 40 MHz. An additional third RF power is provided having lower frequency of about 400 kHz to about 2 MHz to the bias electrode.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: August 8, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Anup Kumar Singh, Rick Kustra, Vinayak Vishwanath Hassan, Bhaskar Kumar, Krishna Nittala, Pramit Manna, Kaushik Comandoor Alayavalli, Ganesh Balasubramanian
  • Patent number: 11699585
    Abstract: Embodiments of the present disclosure generally relate to methods of forming hardmasks. Embodiments described herein enable, e.g., formation of carbon-containing hardmasks having reduced film stress. In an embodiment, a method of processing a substrate is provided. The method includes positioning a substrate in a processing volume of a processing chamber and depositing a diamond-like carbon (DLC) layer on the substrate. After depositing the DLC layer, the film stress is reduced by performing a plasma treatment, wherein the plasma treatment comprises applying a radio frequency (RF) bias power of about 100 W to about 10,000 W.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: July 11, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jui-Yuan Hsu, Pramit Manna, Bhaskar Kumar, Karthik Janakiraman
  • Publication number: 20230069395
    Abstract: Exemplary methods of manufacturing a semiconductor cover wafer may include sintering aluminum nitride particles into a substrate characterized by a thickness and characterized by a disc shape. The methods may include grinding a surface of the substrate to reduce the thickness to less than or about 2 mm. The methods may include polishing the surface of the substrate to reduce a roughness. The methods may include annealing the substrate at a temperature of greater than or about 800° C. for a time period of greater than or about 60 minutes.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Vinayak Vishwanath Hassan, Bhaskar Kumar, Meng Cai, Sowjanya Musunuru, Kaushik Alayavalli, Andrew Nguyen
  • Publication number: 20230048661
    Abstract: The present disclosure relates to methods and systems for chucking in substrate processing chambers. In one implementation, a method of chucking one or more substrates in a substrate processing chamber includes applying a chucking voltage to a pedestal. A substrate is disposed on a support surface of the pedestal. The method also includes ramping the chucking voltage from the applied voltage, detecting an impedance shift while ramping the chucking voltage, determining a corresponding chucking voltage at which the impedance shift occurs, and determining a refined chucking voltage based on the impedance shift and the corresponding chucking voltage.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 16, 2023
    Inventors: Bhaskar KUMAR, Ganesh BALASUBRAMANIAN, Vivek Bharat SHAH, Jiheng ZHAO
  • Patent number: 11545376
    Abstract: Embodiments of the present disclosure relate to a method and an apparatus for monitoring plasma behavior inside a plasma processing chamber. In one example, a method for monitoring plasma behavior includes acquiring at least one image of a plasma, and determining a plasma parameter based on the at least one image.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: January 3, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Sidharth Bhatia, Edward P. Hammond, IV, Bhaskar Kumar, Anup Kumar Singh, Vivek Bharat Shah, Ganesh Balasubramanian
  • Patent number: 11515191
    Abstract: Embodiments disclosed herein may include a heater pedestal. In an embodiment, the heater pedestal may comprise a heater pedestal body and a conductive mesh embedded in the heater pedestal. In an embodiment, the conductive mesh is electrically coupled to a voltage source In an embodiment, the heater pedestal may further comprise a support surface on the heater pedestal body. In an embodiment, the support surface comprises a plurality of pillars extending out from the heater pedestal body and arranged in concentric rings. In an embodiment pillars in an outermost concentric ring have a height that is greater than a height of pillars in an innermost concentric ring.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: November 29, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Vivek B. Shah, Bhaskar Kumar, Ganesh Balasubramanian
  • Patent number: 11495440
    Abstract: Embodiments of the present disclosure generally relate to apparatuses for reducing particle contamination on substrates in a plasma processing chamber. In one or more embodiments, an edge ring is provided and includes a top surface, a bottom surface opposite the top surface and extending radially outward, an outer vertical wall extending between and connected to the top surface and the bottom surface, an inner vertical wall opposite the outer vertical wall, an inner lip extending radially inward from the inner vertical wall, and an inner step disposed between and connected to the inner wall and the bottom surface. During processing, the edge ring shifts the high plasma density zone away from the edge area of the substrate to avoid depositing particles on the substrate when the plasma is de-energized.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: November 8, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Bhaskar Kumar, Prashanth Kothnur, Sidharth Bhatia, Anup Kumar Singh, Vivek Bharat Shah, Ganesh Balasubramanian, Changgong Wang
  • Patent number: 11488811
    Abstract: The present disclosure relates to methods and systems for chucking in substrate processing chambers. In one implementation, a method of chucking one or more substrates in a substrate processing chamber includes applying a chucking voltage to a pedestal. A substrate is disposed on a support surface of the pedestal. The method also includes ramping the chucking voltage from the applied voltage, detecting an impedance shift while ramping the chucking voltage, determining a corresponding chucking voltage at which the impedance shift occurs, and determining a refined chucking voltage based on the impedance shift and the corresponding chucking voltage.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: November 1, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Bhaskar Kumar, Ganesh Balasubramanian, Vivek Bharat Shah, Jiheng Zhao
  • Publication number: 20220178026
    Abstract: A method includes flowing a carbon-containing precursor and a carrier gas into a processing volume having a substrate positioned therein, generating a plasma in the processing volume by applying a first RF bias to a substrate support to deposit a first portion of carbon film onto the substrate, and terminating flow of the carbon-containing precursor while maintaining flow of the carrier gas to maintain the plasma within the processing volume. The method also includes flowing a nitrogen-containing gas into the processing volume and ionizing the nitrogen-containing gas in the presence of the plasma, exposing the substrate having the carbon film thereon to the ionized nitrogen-containing gas for a time period less than three seconds, and terminating flow of the nitrogen-containing gas while maintaining the plasma and reintroducing the carbon-containing precursor into the processing volume in the presence of the plasma to deposit a second portion of the carbon film.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 9, 2022
    Inventors: Vinayak Vishwanath HASSAN, Anup Kumar SINGH, Bhaskar KUMAR
  • Publication number: 20220178017
    Abstract: In one example, a method includes flowing a carbon-containing gas into a processing volume of a process chamber, the process chamber having internal surfaces comprising aluminum, and depositing a carbon film on the internal surfaces of the process chamber. The method also includes flowing fluorine radicals into the process chamber, and fluorinating the carbon film to create a CFx layer on the internal surfaces. The method also includes oxidizing the CFx layer on the internal surfaces creating an AlOCFx layer on the internal surfaces.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 9, 2022
    Inventors: Anup Kumar SINGH, Vinayak Vishwanath HASSAN, Bhaskar KUMAR, Ganesh BALASUBRAMANIAN
  • Publication number: 20220122821
    Abstract: Embodiments of the present disclosure relate to semiconductor processing. More specifically, embodiments of the present disclosure relate to methods for seasoning one or more components of a process chamber. In at least one embodiment, a method for seasoning a process chamber includes depositing a seasoning film onto a component of the process chamber at a chamber pressure of about 4 mTorr to about 20 mTorr and a temperature below about 200° C. or about 200° C. to about 400° C. The method includes depositing a deposition film onto the seasoning film. In at least one embodiment, a method includes introducing a nitrogen-containing gas to the seasoning film to form a nitrogen-treated seasoning film. Introducing the nitrogen-containing gas to the seasoning film is performed before depositing the deposition film onto the seasoning film.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Inventors: Vinayak Vishwanath HASSAN, Bhaskar KUMAR, Anup Kumar SINGH
  • Publication number: 20220122835
    Abstract: Embodiments of the present disclosure generally relate to methods of forming hardmasks. Embodiments described herein enable, e.g., formation of carbon-containing hardmasks having reduced film stress. In an embodiment, a method of processing a substrate is provided. The method includes positioning a substrate in a processing volume of a processing chamber and depositing a diamond-like carbon (DLC) layer on the substrate. After depositing the DLC layer, the film stress is reduced by performing a plasma treatment, wherein the plasma treatment comprises applying a radio frequency (RF) bias power of about 100 W to about 10,000 W.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Inventors: Jui-Yuan HSU, Pramit MANNA, Bhaskar KUMAR, Karthik JANAKIRAMAN
  • Publication number: 20220102141
    Abstract: Embodiments of the present disclosure generally relate to methods of depositing carbon film layers greater than 3,000 ? in thickness over a substrate and surface of a lid of a chamber using dual frequency, top, sidewall and bottom sources. The method includes introducing a gas to a processing volume of a chamber. A first radiofrequency (RF) power is provided having a first frequency of about 40 MHz or greater to a lid of the chamber. A second RF power is provided having a second frequency to a bias electrode disposed in a substrate support within the processing volume. The second frequency is about 10 MHz to about 40 MHz. An additional third RF power is provided having lower frequency of about 400 kHz to about 2 MHz to the bias electrode.
    Type: Application
    Filed: September 28, 2020
    Publication date: March 31, 2022
    Inventors: Anup Kumar SINGH, Rick KUSTRA, Vinayak Vishwanath HASSAN, Bhaskar KUMAR, Krishna NITTALA, Pramit MANNA, Kaushik Comandoor ALAYAVALLI, Ganesh BALASUBRAMANIAN