Patents by Inventor Bhupendra Shah

Bhupendra Shah 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: 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: 20240026522
    Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a liner for a processing chamber includes an annular body having a sidewall and a vent formed in the annular body for exhausting gas from inside to outside the annular body. The vent comprises one or more vent holes disposed through the sidewall. The liner further includes an opening in the annular body for substrate loading and unloading.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Zhepeng CONG, Schubert CHU, Nyi Oo MYO, Kartik Bhupendra SHAH, Zhiyuan YE, Richard O. COLLINS
  • Publication number: 20230372974
    Abstract: This invention relates to a powder sieving apparatus for a powder coating system and a powder suction system thereof. the present invention provides a powder sieving apparatus for a powder coating system having a powder spray gun, a powder suction pump assembly, and a powder container/hopper. As per the present invention, the said sieving apparatus comprises a housing having at least one outlet connected to a suction side of the powder suction pump and an inlet connected to a suction pipe dipped in the powder container, a cylindrical sieve having a sieve mesh adapted within the housing dividing the housing into an inner and outer compartments, a brush holder rotatably and/or oscillatingly adapted in the inner compartment of the housing for cleaning the cylindrical sieve.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Inventor: AMAL BHUPENDRA SHAH
  • Patent number: 11781212
    Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a liner for a processing chamber includes an annular body having a sidewall and a vent formed in the annular body for exhausting gas from inside to outside the annular body. The vent comprises one or more vent holes disposed through the sidewall. The liner further includes an opening in the annular body for substrate loading and unloading.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: October 10, 2023
    Assignee: Applied Material, Inc.
    Inventors: Zhepeng Cong, Schubert Chu, Nyi Oo Myo, Kartik Bhupendra Shah, Zhiyuan Ye, Richard O. Collins
  • 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
  • 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: 20220364229
    Abstract: Embodiments described herein include processes and apparatuses relate to epitaxial deposition. A method for epitaxially depositing a material is provided and includes positioning a substrate on a substrate support surface of a susceptor within a process volume of a chamber body, where the process volume contains upper and lower chamber regions. The method includes flowing a process gas containing one or more chemical precursors from an upper gas inlet on a first side of the chamber body, across the substrate, and to an upper gas outlet on a second side of the chamber body, flowing a purge gas from a lower gas inlet on the first side of the chamber body, across the lower surface of the susceptor, and to a lower gas outlet on the second side of the chamber body, and maintaining a pressure of the lower chamber region greater than a pressure of the upper chamber region.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Manjunath SUBBANNA, Ala MORADIAN, Kartik Bhupendra SHAH, Errol Antonio C SANCHEZ, Michael R. RICE, Peter REIMER, Marc SHULL
  • Publication number: 20220364261
    Abstract: The present disclosure generally relates to a process chamber for processing of semiconductor substrates. The process chamber includes an upper lamp assembly, a lower lamp assembly, a substrate support, an upper window disposed between the substrate support and the upper lamp assembly, a lower window disposed between the lower lamp assembly and the substrate support, an inject ring, and a base ring. Each of the upper lamp assembly and the lower lamp assembly include vertically oriented lamp apertures for the placement of heating lamps therein. The inject ring includes gas injectors disposed therethrough and the base ring includes a substrate transfer passage, a lower chamber exhaust passage, and one or more upper chamber exhaust passages. The gas injectors are disposed over the substrate transfer passage and across from the lower chamber exhaust passage and the one or more upper chamber exhaust passages.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Kartik Bhupendra SHAH, Ala MORADIAN, Manjunath SUBBANNA, Matthias BAUER, Peter REIMER, Michael R. RICE
  • Publication number: 20220364231
    Abstract: The present disclosure generally relates to gas inject apparatus for a process chamber for processing of semiconductor substrates. The gas inject apparatus include one or more gas injectors which are configured to be coupled to the process chamber. Each of the gas injectors are configured to receive a process gas and distribute the process gas across one or more gas outlets. The gas injectors include a plurality of pathways, a fin array, and a baffle array. The gas injectors are individually heated. A gas mixture assembly is also utilized to control the concentration of process gases flown into a process volume from each of the gas injectors. The gas mixture assembly enables the concentration as well as the flow rate of the process gases to be controlled.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Ala MORADIAN, Manjunath SUBBANNA, Kartik Bhupendra SHAH, Errol Antonio C. SANCHEZ, Sohrab ZOKAEI, Michael R. RICE, Peter REIMER
  • Publication number: 20220367216
    Abstract: The present disclosure generally relates to an epitaxial chamber for processing of semiconductor substrates. In one example, the epitaxial chamber has a chamber body assembly. The chamber body assembly includes a lower window and an upper window, wherein chamber body assembly, the lower window and the upper window enclose an internal volume. A susceptor assembly is disposed in the internal volume. The epitaxial chamber also has a plurality of temperature control elements. The plurality of temperature control elements include one or more of an upper lamp module, a lower lamp module, an upper heater, a lower heater, or a heated gas passage.
    Type: Application
    Filed: May 11, 2021
    Publication date: November 17, 2022
    Inventors: Tetsuya ISHIKAWA, Swaminathan T. SRINIVASAN, Matthias BAUER, Ala MORADIAN, Manjunath SUBBANNA, Kartik Bhupendra SHAH, Kostiantyn ACHKASOV, Errol Antonio C. SANCHEZ, Michael R. RICE, Marc SHULL, Ji-Dih HU
  • Publication number: 20220325400
    Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a liner for a processing chamber includes an annular body having a sidewall and a vent formed in the annular body for exhausting gas from inside to outside the annular body. The vent comprises one or more vent holes disposed through the sidewall. The liner further includes an opening in the annular body for substrate loading and unloading.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 13, 2022
    Inventors: Zhepeng CONG, Schubert CHU, Nyi Oo MYO, Karlik Bhupendra SHAH, Zhiyuan YE, Richard O. COLLINS
  • Publication number: 20220322492
    Abstract: A process chamber includes a chamber body having a ceiling disposed above a floor with a chassis and an injector ring disposed therebetween. Upper and lower clamp rings secure the upper and floors, respectively, in place. An upper heating module is coupled to the upper clamp ring above the ceiling. A lower heating module is coupled to the lower clamp ring below the floor.
    Type: Application
    Filed: April 6, 2021
    Publication date: October 6, 2022
    Inventors: Shu-Kwan LAU, Brian Hayes BURROWS, Zhiyuan YE, Richard O. COLLINS, Enle CHOO, Danny D. WANG, Shainish NELLIKKA, Toshiyuki NAKAGAWA, Abhishek DUBE, Ala MORADIAN, Kartik Bhupendra SHAH
  • Patent number: 11446684
    Abstract: The present invention provides an air-wash powder sieving apparatus for a powder coating system having a powder spray gun, a powder suction pump assembly, and a powder container/hopper. The said sieving apparatus includes a housing, a sieving section and at least one air jet section adapted within the housing, for directing compressed air on the sieve. The compressed air impinged by the air jets onto the sieving mesh not only skims and washes the sieving mesh and keeps it de-clogged but also acts as a secondary air of the powder suction pump.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 20, 2022
    Inventor: Amal Bhupendra Shah
  • Publication number: 20220165547
    Abstract: Provided herein is a gas source comprising a flow conduit having an interior volume and an open end, a remote plasma source fluidly coupled to the flow conduit, a secondary gas source extending inwardly of the interior volume of the flow conduit, the secondary gas source including at least one gas port therein positioned to flow a secondary gas inwardly of the interior volume of the flow conduit.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 26, 2022
    Inventors: Vishwas Kumar PANDEY, Eric Kihara SHONO, Christopher S. OLSEN, Tobin KAUFMAN-OSBORN, Erika HANSEN, Rene GEORGE, Lara HAWRYLCHAK, Hansel LO, Kartik Bhupendra SHAH
  • Publication number: 20210272776
    Abstract: Embodiments of the present disclosure generally relate to a processing chamber for conformal oxidation of high aspect ratio structures. The processing chamber includes a chamber body with a first side and a second side opposite the first side, and a flow assembly disposed in the first side. The flow assembly includes a flow divider to direct fluid flow away from a center of a substrate disposed in a processing region of the processing chamber. The flow divider includes a crescent shaped first side, a top, and a bottom. The processing chamber also includes a distributed pumping structure located adjacent to the second side. The flow assembly is designed to reduce flow constriction of the radicals, leading to increased radical concentration and flux.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Inventors: Vishwas Kumar PANDEY, Kartik Bhupendra SHAH, Christopher S. OLSEN, Agus Sofian TJANDRA, Hansel LO, Eric Kihara SHONO, Hemantha RAJU
  • Publication number: 20200055066
    Abstract: The present invention provides an air-wash powder sieving apparatus for a powder coating system having a powder spray gun, a powder suction pump assembly, and a powder container/hopper. The said sieving apparatus includes a housing, a sieving section and at least one air jet section adapted within the housing, for directing compressed air on the sieve. The compressed air impinged by the air jets onto the sieving mesh not only skims and washes the sieving mesh and keeps it de-clogged but also acts as a secondary air of the powder suction pump.
    Type: Application
    Filed: September 7, 2018
    Publication date: February 20, 2020
    Inventor: Amal Bhupendra SHAH
  • Patent number: 10322426
    Abstract: The present invention provides a vibrating sieving apparatus and a real time powder sieving system. The apparatus includes a powder pump assembly connected to a vibrating device through a powder suction tube wherein the vibrating device (120) is configured for real time sieving of powder just before spraying. The apparatus further includes a housing (130) connected to the vibrating device (120) wherein the housing (130) includes a sieve section (140) and an anti blinding section (135).
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 18, 2019
    Inventor: Amal Bhupendra Shah
  • Patent number: D959490
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: August 2, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Kartik Bhupendra Shah, Kartik Santhanam, Bindusagar Marath Sankarathodi, Abhilash J. Mayur, Dayal Ramachandran, Amritha Rammohan, Stephen Moffatt, Eugene Lobanov