Patents by Inventor Vishwas Kumar Pandey

Vishwas Kumar Pandey 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: 20240141493
    Abstract: In one embodiment, a processing chamber, suitable for use in semiconductor processing, includes a chamber body enclosing an interior volume. A susceptor is disposed in the interior volume, and the interior volume includes a purge interior volume below the susceptor and a process volume above the substrate support. A liner is disposed radially outward of the susceptor. The processing chamber also includes a preheat ring. The preheat ring is configured to engage the susceptor when the susceptor is an elevated processing position and to engage the liner when the susceptor is in a lowered loading/unloading position.
    Type: Application
    Filed: July 18, 2023
    Publication date: May 2, 2024
    Inventors: Vishwas Kumar PANDEY, Ala MORADIAN, Lori D. WASHINGTON, Shu-Kwan LAU
  • Patent number: 11959169
    Abstract: A gas injector for processing a substrate includes a body having an inlet connectable to a gas source that is configured to provide a gas flow in a first direction into the inlet when processing a substrate on a substrate support disposed within a processing volume of a processing chamber, and an a gas injection channel formed in the body. The gas injection channel is in fluid communication with the inlet and configured to deliver the gas flow to an inlet of the processing chamber. The gas injection channel has a first interior surface and a second interior surface that are parallel to a second direction and a third direction. The second and third directions are misaligned with a center of the substrate, and are at an angle to the first direction towards a first edge of the substrate support.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: April 16, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Eric Kihara Shono, Vishwas Kumar Pandey, Christopher S. Olsen, Kartik Shah, Hansel Lo, Tobin Kaufman-Osborn, Rene George, Lara Hawrylchak, Erika Hansen
  • Publication number: 20240120220
    Abstract: The present disclosure relates to chambers and related methods and structures for batch cooling or heating. In one implementation, a chamber applicable for use in semiconductor manufacturing includes a base, a lid, and one or more sidewalls between the base and the lid. The base, the lid, and the one or more sidewalls at least partially define an internal volume. The chamber includes a cassette disposed in the internal volume. The cassette includes a first outer plate, a second outer plate spaced from the first outer plate, and a plurality of levels between the first outer plate and the second outer plate. The plurality of levels include a plurality of substrate supports spaced from each other between the first outer plate and the second outer plate. The chamber includes one or more baffles disposed outwardly of the cassette.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 11, 2024
    Inventors: Vishwas Kumar PANDEY, Ala MORADIAN
  • Publication number: 20240112931
    Abstract: The present disclosure relates to cassette structures and related methods for batch processing in epitaxial deposition operations. In one implementation, a cassette configured for disposition in a substrate processing chamber includes a first wall, a second wall spaced from the first wall, and one or more sidewalls extending between and coupled to the first wall and the second wall. The cassette includes one or more inlet openings formed in the one or more sidewalls, and one or more outlet openings formed in the one or more sidewalls opposite the one or more inlet openings. The cassette includes a plurality of levels that include a plurality of substrate supports mounted to the one or more sidewalls and spaced from each other along the one or more sidewalls.
    Type: Application
    Filed: October 3, 2022
    Publication date: April 4, 2024
    Inventors: Vishwas Kumar PANDEY, Kartik Bhupendra SHAH, Ala MORADIAN
  • Publication number: 20240110278
    Abstract: A processing chamber is disclosed and includes a chamber body. The chamber body has a first side, a second side opposite the first side, a window assembly, and a base. The first and second side, the window assembly and the base define a thermal processing region. A flow assembly is disposed adjacent the first side and configured to introduce a processing gas into the thermal processing region. An exhaust slit assembly is disposed adjacent the second side. The exhaust slit assembly has an opening exposed to the thermal processing region. The opening having a center and an outer edge of the opening. The center of the opening and edge of the opening vertically defined between the window assembly and the base. Wherein an outer height at the edge of the opening is at least 30% larger in a vertical direction than a center height at the center of the opening.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 4, 2024
    Inventors: Vishwas Kumar PANDEY, Ala MORADIAN, Zhepeng CONG
  • Patent number: 11885021
    Abstract: A gas supply member includes a first side opposite a second side and an inner surface defining a first opening extending between the first and second sides. The gas supply member includes a third side orthogonal to the first side, the third side includes a first extension that has a face partially defining the second side, and the first extension includes a first plurality of holes extending through the first extension to the face. The gas supply member includes a fourth side opposite the third side, the fourth side includes a protrusion that has a face partially defining the second side. The gas supply member also includes a baffle disposed adjacent to the inner surface, the baffle includes a first portion extending from the inner surface and a second portion attached to the first portion, and the second portion orthogonal to the first portion and parallel to the third side.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: January 30, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Kartik Shah, Vishwas Kumar Pandey, Kailash Pradhan, Sairaju Tallavarjula, Rene George, Eric Kihara Shono, Philip A. Bottini, Roger Curtis
  • Publication number: 20230407471
    Abstract: The present disclosure generally provides methods of providing at least metastable radical molecular species and/or radical atomic species to a processing volume of a process chamber during an electronic device fabrication process, and apparatus related thereto. In one embodiment, the apparatus is a gas injection assembly disposed between a remote plasma source and a process chamber. The gas injection assembly includes a body, a dielectric liner disposed in the body that defines a gas mixing volume, a first flange to couple the gas injection assembly to a process chamber, and a second flange to couple the gas injection assembly to the remote plasma source. The gas injection assembly further includes one or more gas injection ports formed through the body and the liner.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 21, 2023
    Inventors: Vishwas Kumar PANDEY, Eric Kihara SHONO, Kartik SHAH, Christopher S. OLSEN, Agus Sofian TJANDRA, Tobin KAUFMAN-OSBORN, Taewan KIM, Hansel LO
  • Patent number: 11732355
    Abstract: The present disclosure generally provides methods of providing at least metastable radical molecular species and/or radical atomic species to a processing volume of a process chamber during an electronic device fabrication process, and apparatus related thereto. In one embodiment, the apparatus is a gas injection assembly disposed between a remote plasma source and a process chamber. The gas injection assembly includes a body, a dielectric liner disposed in the body that defines a gas mixing volume, a first flange to couple the gas injection assembly to a process chamber, and a second flange to couple the gas injection assembly to the remote plasma source. The gas injection assembly further includes one or more gas injection ports formed through the body and the liner.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: August 22, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Vishwas Kumar Pandey, Eric Kihara Shono, Kartik Shah, Christopher S. Olsen, Agus Sofian Tjandra, Tobin Kaufman-Osborn, Taewan Kim, Hansel Lo
  • Publication number: 20230230859
    Abstract: A batch processing chamber and a process kit for use therein are provided. The process kit includes an outer liner having an upper outer liner and a lower outer liner, an inner liner, and a top plate and a bottom plate attached to an inner surface of the inner liner. The top plate and the bottom plate form an enclosure together with the inner liner, and a cassette is disposed within the enclosure. The cassette including shelves configured to retain a plurality of substrates thereon. The inner liner has inlet openings disposed on an injection side of the inner liner and configured to be in fluid communication with a gas injection assembly of a processing chamber, and outlet openings disposed on an exhaust side of the inner liner and configured to be in fluid communication with a gas exhaust assembly of the processing chamber. The inner surfaces of the enclosure comprise material configured to cause black-body radiation within the enclosure.
    Type: Application
    Filed: July 12, 2021
    Publication date: July 20, 2023
    Inventors: Adel George TANNOUS, Schubert S. CHU, Shu-Kwan LAU, Kartik Bhupendra SHAH, Zuoming ZHU, Ala MORADIAN, Surajit KUMAR, Srinivasa RANGAPPA, Chia Cheng CHIN, Vishwas Kumar PANDEY
  • Patent number: 11697875
    Abstract: The present disclosure generally provides methods of providing at least metastable radical molecular species and/or radical atomic species to a processing volume of a process chamber during an electronic device fabrication process, and apparatus related thereto. In one embodiment, the apparatus is a gas injection assembly disposed between a remote plasma source and a process chamber. The gas injection assembly includes a body, a dielectric liner disposed in the body that defines a gas mixing volume, a first flange to couple the gas injection assembly to a process chamber, and a second flange to couple the gas injection assembly to the remote plasma source. The gas injection assembly further includes one or more gas injection ports formed through the body and the liner.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 11, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Vishwas Kumar Pandey, Eric Kihara Shono, Kartik Shah, Christopher S. Olsen, Agus Sofian Tjandra, Tobin Kaufman-Osborn, Taewan Kim, Hansel Lo
  • Publication number: 20230212742
    Abstract: Embodiments herein provide for a method of processing a semiconductor substrate. The method described herein may include receiving a first input corresponding to a first geometric hardware configuration of a process chamber, receiving a second input corresponding to a first process recipe of the process chamber, determining, based on the first input and the second input, a first purge gas flow rate for the process chamber, measuring a deposition characteristic of the process chamber via a first sensor, determining, based on the first input, the second input, and the measured deposition characteristic, a second purge gas flow rate, the second purge gas flow rate different from the first purge gas flow rate, and flowing a purge gas at the second purge gas flow rate during a deposition process.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 6, 2023
    Inventors: Ala MORADIAN, Vishwas Kumar PANDEY, Lori D. WASHINGTON, Miao-Chun CHEN
  • Publication number: 20230167581
    Abstract: A process kit for use in a processing chamber includes an outer liner, an inner liner configured to be in fluid communication with a gas injection assembly and a gas exhaust assembly of a processing chamber, a first ring reflector disposed between the outer liner and the inner liner, a top plate and a bottom plate attached to an inner surface of the inner liner, the top plate and the bottom plate forming an enclosure together with the inner liner, a cassette disposed within the enclosure, the cassette comprising a plurality of shelves configured to retain a plurality of substrates thereon, and an edge temperature correcting element disposed between the inner liner and the first ring reflector.
    Type: Application
    Filed: July 16, 2021
    Publication date: June 1, 2023
    Inventors: Kartik Bhupendra SHAH, Schubert S. CHU, Adel George TANNOUS, Ala MORADIAN, Nyi Oo MYO, Surajit KUMAR, Zuoming ZHU, Brian Hayes BURROWS, Vishwas Kumar PANDEY, Shu-Kwan LAU, Srinivasa RANGAPPA
  • Publication number: 20230133402
    Abstract: The present disclosure relates to a gas injection module for a process chamber. The process chamber includes a chamber body, a rotatable substrate support disposed inside a process volume of the chamber body, the substrate support configured to have a rotational spin rate; an inlet port formed in the chamber body, and an injection module coupled to the inlet port. The injection module includes a body, one or more gas inlets coupled to the body, and a plurality of nozzles formed in a supply face of the body, the supply face configured to face inside the chamber body, and gas exiting from the injection module is configured to have a flow rate; the process chamber also includes a controller configured to operate the process chamber such that the ratio of the flow rate to the rotational spin rate is between about 1/3 and 3.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 4, 2023
    Inventors: Christopher S. OLSEN, Kartik Bhupendra SHAH, Chaitanya Anjaneyalu PRASAD, Vishwas Kumar PANDEY, AnilKumar BODEPUDI, Erika HANSEN
  • Publication number: 20230128611
    Abstract: An adapter for a deposition chamber includes an adapter body extending longitudinally about a central axis between an upper side and lower side opposite the upper side. The adapter body has a central opening about the central axis. The adapter body has a radially outer portion having a connection surface on the lower side and a radially inner portion having a coolant channel and a stepped surface on the lower side. At least a portion of the coolant channel is spaced radially inwardly from a radially inner end of the connection surface. At least the portion of the coolant channel is disposed longitudinally below the connection surface between the connection surface and the stepped surface.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 27, 2023
    Inventors: Vishwas Kumar PANDEY, Colin John DICKINSON, Dinkesh HUDERI SOMANNA, Ala MORADIAN, Kartik Bhupendra SHAH
  • Publication number: 20230028054
    Abstract: A gas injector for processing a substrate includes a body having an inlet connectable to a gas source that is configured to provide a gas flow in a first direction into the inlet when processing a substrate on a substrate support disposed within a processing volume of a processing chamber, and an a gas injection channel formed in the body. The gas injection channel is in fluid communication with the inlet and configured to deliver the gas flow to an inlet of the processing chamber. The gas injection channel has a first interior surface and a second interior surface that are parallel to a second direction and a third direction. The second and third directions are misaligned with a center of the substrate, and are at an angle to the first direction towards a first edge of the substrate support.
    Type: Application
    Filed: September 30, 2022
    Publication date: January 26, 2023
    Inventors: Eric Kihara SHONO, Vishwas Kumar PANDEY, Christopher S. OLSEN, Kartik SHAH, Hansel LO, Tobin KAUFMAN-OSBORN, Rene GEORGE, Lara HAWRYLCHAK, Erika HANSEN
  • Publication number: 20220411927
    Abstract: Embodiments described herein generally relate to a processing system and a method of delivering a reactant gas. The processing system includes a substrate support system, an injection cone, and an intake. The injection cone includes a linear rudder. The linear rudder is disposed such that the flow of reactant gas through the injection cone results in film growth on a specific portion of a substrate. The method includes flowing the gas through the injection cone and delivering the gas onto the substrate below. The localization of the reactant gas, allows for film growth on a specific portion of the substrate.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 29, 2022
    Inventors: Vishwas Kumar PANDEY, Christopher OLSEN, Rene GEORGE, Eric SHONO, Lara HAWRYLCHAK, Erika HANSEN, Tobin KAUFMAN-OSBORN, Hansel LO, Kartik SHAH
  • Patent number: 11529592
    Abstract: Gas injectors for providing uniform flow of fluid are provided herein. The gas injector includes a plenum body. The plenum body includes a recess, a protrusion adjacent to the recess and extending laterally away from the plenum body, and a plurality of nozzles extending laterally from an exterior surface of the plenum body. The plenum body has a plurality of holes in an exterior wall of the plenum body. Each nozzle is in fluid communication with an interior volume of the plenum body. By directing the flow of fluid, the gas injector provides for a uniform deposition.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: December 20, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Vishwas Kumar Pandey, Lara Hawrylchak, Eric Kihara Shono, Kartik Shah, Christopher S. Olsen, Sairaju Tallavarjula, Kailash Pradhan, Rene George, Johanes F. Swenberg, Stephen Moffatt
  • Patent number: 11532463
    Abstract: A processing chamber may include a gas distribution member, a metal ring member below the gas distribution member, and an isolating assembly coupled with the metal ring member and isolating the metal ring member from the gas distribution member. The isolating assembly may include an outer isolating member coupled with the metal ring member. The outer isolating member may at least in part define a chamber wall. The isolating assembly may further include an inner isolating member coupled with the outer isolating member. The inner isolating member may be disposed radially inward from the metal ring member about an central axis of the processing chamber. The inner isolating member may define a plurality of openings configured to provide fluid access into a radial gap between the metal ring member and the inner isolating member.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: December 20, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Vishwas Kumar Pandey, Vinay K. Prabhakar, Bushra Afzal, Badri N. Ramamurthi, Juan Carlos Rocha-Alvarez
  • Patent number: 11515132
    Abstract: Physical vapor deposition target assemblies and methods of manufacturing such target assemblies are disclosed. An exemplary target assembly comprises a flow pattern including a plurality of arcs and bends fluidly connected to an inlet end and an outlet end.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 29, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Sanjay Bhat, Vibhu Jindal, Vishwas Kumar Pandey
  • Patent number: D1023987
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: April 23, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Eric Kihara Shono, Vishwas Kumar Pandey, Christopher S. Olsen, Hansel Lo, Agus Sofian Tjandra, Taewan Kim, Tobin Kaufman-Osborn