Patents by Inventor Vijay D. Parkhe

Vijay D. Parkhe 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).

  • Patent number: 11818810
    Abstract: A heater assembly having a backside purge gap formed between a top plate and a heater of the heater assembly, the top plate having a top plate wall. The top plate wall having an upper portion, a middle portion and a lower portion, the middle portion forming an incline relative to the top portion.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: November 14, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Dhritiman Subha Kashyap, Amit Rajendra Sherekar, Kartik Shah, Ashutosh Agarwal, Eric J. Hoffmann, Sanjeev Baluja, Vijay D. Parkhe
  • Publication number: 20230350435
    Abstract: A gas is received through an inlet. A portion of the gas is supplied to an electrostatic chuck. A portion of the gas is re-circulated through a compressor. A pressure of the second portion of the gas is increased. The second portion of the gas is stored in a gas storage.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventor: Vijay D. Parkhe
  • Patent number: 11794441
    Abstract: The present disclosure is a method of bonding an electrostatic chuck to a temperature control base. According to the embodiments, a bonding layer is formed between a dielectric body comprising the electrostatic chuck and a temperature control base. A flow aperture extends through the dielectric body and is aligned with a flow aperture in the temperature control base. The bonding layer is also configured with an opening that aligns with apertures in the dielectric body and the temperature control base. In one aspect, a porous plug may be disposed within the flow aperture to protect the bonding layer. In another aspect, a seal is disposed within the flow aperture to seal off the boding layer from gases in the flow aperture.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: October 24, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Vijay D. Parkhe, Roger Alan Lindley
  • Patent number: 11784080
    Abstract: Implementations described herein provide a substrate support assembly. The substrate support assembly has an electrostatic chuck having a workpiece supporting surface and a bottom surface. The substrate support assembly further includes a plurality of layers which has a thermal interface layer. The plurality of layers are disposed below the electrostatic chuck. A cooling base having a top surface, the top surface is disposed below the plurality of layers. A temperature differential across the thermal interface layer is about 150 degrees Celsius when the workpiece supporting surface of the electrostatic chuck is at a temperature of about 300 degrees Celsius.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: October 10, 2023
    Assignee: Applied Materials, Inc.
    Inventor: Vijay D. Parkhe
  • Patent number: 11776794
    Abstract: Embodiments of the present disclosure generally relate to an electrostatic chuck assembly suitable for use in cryogenic applications. In one or more embodiments, an electrostatic chuck assembly is provided and includes an electrostatic chuck having a substrate supporting surface opposite a bottom surface, a cooling plate having a top surface, where the cooling plate contains an aluminum alloy having a coefficient of thermal expansion (CTE) of less than 22 ppm/° C., and a bonding layer securing the bottom surface of the electrostatic chuck and the top surface of the cooling plate, where the bonding layer contains a silicone material.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: October 3, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Vijay D. Parkhe
  • Patent number: 11776822
    Abstract: Embodiments described herein relate a cleaning fixture and method to prevent chemical solutions from contacting the various substrate supporting member features and penetrating into the holes and the metal plate of the substrate supporting surface. The cleaning fixture includes a mounting plate having a plurality of thru-holes arranged on a bolt circle and configured to align with a plurality of thread holes disposed in an electrostatic chuck, a recess formed in the mounting plate, and a gas port formed through the mounting plate. A sealed plenum is formed between the recess of the mounting plate and a lower surface of the electrostatic chuck when the electrostatic chuck is coupled to the mounting plate. The gas port is fluidly coupled to the sealed plenum.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: October 3, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Tuochuan Huang, Gang Peng, David W. Groechel, Vijay D. Parkhe, Shinnosuke Kawaguchi, David Benjaminson
  • Patent number: 11769683
    Abstract: A coated chamber component comprises a body and a protective ceramic coating deposited over a surface of the body, the protective ceramic coating being amorphous and comprising about 8-20% by weight yttrium, about 20-32% by weight aluminum, and about 60-70% by weight oxygen.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: September 26, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Wendell Glenn Boyd, Jr., Vijay D. Parkhe, Teng-Fang Kuo, Zhenwen Ding
  • Patent number: 11769684
    Abstract: Substrate supports comprising a plurality of bonded plates forming a single component support body and methods of forming the substrate supports are described. The single component support body has an outer peripheral edge, a top surface and a bottom surface. A pocket is formed in the top surface and has a bottom surface, a depth and an outer peripheral edge. A purge ring is spaced a distance from the outer peripheral edge and comprises at least one opening in the top surface in fluid communication with a purge gas line within the body thickness.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: September 26, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Tejas Ulavi, Vijay D. Parkhe, Naveen Kumar Nagaraja, Sanjeev Baluja, Surajit Kumar, Dhritiman Subha Kashyap, Ashutosh Agarwal
  • Publication number: 20230294208
    Abstract: Electrostatic chucks (ESCs) for reactor or plasma processing chambers, and methods of fabricating ESCs, are described. In an example, a method of fabricating a substrate support assembly includes providing a ceramic top plate having a top surface with a processing region. A plurality of mesas is formed within the processing region and on the top surface of the ceramic plate. Laser-machining of one or more of the plurality of mesas is performed to reduce or to increase a surface roughness of the one or more of the plurality of mesas.
    Type: Application
    Filed: March 21, 2022
    Publication date: September 21, 2023
    Inventor: Vijay D. Parkhe
  • Patent number: 11747834
    Abstract: A gas is received through an inlet. A portion of the gas is supplied to an electrostatic chuck. A portion of the gas is re-circulated through a compressor. A pressure of the second portion of the gas is increased. The second portion of the gas is stored in a gas storage.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: September 5, 2023
    Assignee: Applied Materials, Inc.
    Inventor: Vijay D. Parkhe
  • Patent number: 11742225
    Abstract: An electrostatic puck assembly includes an upper puck plate, a lower puck plate and a backing plate. The upper puck plate comprises AlN or Al2O3 and has a first coefficient of thermal expansion. The lower puck plate comprises a material having a second coefficient of thermal expansion that approximately matches the first coefficient of thermal expansion and is bonded to the upper puck plate by a first metal bond. The backing plate comprises AlN or Al2O3 and is bonded to the lower puck plate by a second metal bond.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: August 29, 2023
    Assignee: Applied Materials, Inc.
    Inventor: Vijay D. Parkhe
  • Publication number: 20230268218
    Abstract: Disclosed herein is a substrate support assembly having a ground electrode mesh disposed therein along a side surface of the substrate support assembly. The substrate support assembly has a body. The body has an outer top surface, an outer side surface and an outer bottom surface enclosing an interior of the body. The body has a ground electrode mesh disposed in the interior of the body and adjacent the outer side surface, wherein the ground electrode does not extend through to the outer top surface or the outer side surface.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Inventors: Michael R. RICE, Vijay D. PARKHE
  • Publication number: 20230197417
    Abstract: A chamber component for a semiconductor processing chamber includes a body. The chamber component also includes a coating. The coating is a corrosion-resistant coating. The coating is deposited on a surface of the body. The corrosion-resistant coating includes a perfluoroelastomer material.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 22, 2023
    Inventor: Vijay D. Parkhe
  • Patent number: 11676849
    Abstract: Embodiments of substrate carriers and method of making the same are provided herein. In some embodiments, a substrate carrier includes a substantially planar body formed of an upper layer stacked on a lower layer; and a plurality of pockets formed in the substantially planar body each of which includes a support surface surrounding the pocket for supporting a substrate.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: June 13, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Vijay D. Parkhe
  • Patent number: 11640917
    Abstract: Disclosed herein is a substrate support assembly having a ground electrode mesh disposed therein along a side surface of the substrate support assembly. The substrate support assembly has a body. The body has an outer top surface, an outer side surface and an outer bottom surface enclosing an interior of the body. The body has a ground electrode mesh disposed in the interior of the body and adjacent the outer side surface, wherein the ground electrode does not extend through to the outer top surface or the outer side surface.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: May 2, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Michael R. Rice, Vijay D. Parkhe
  • Publication number: 20230113486
    Abstract: A substrate support assembly includes a shaft body, a plate attached to an upper portion of the shaft body, and a plug or cap attached to a lower portion of the shaft body. The shaft body, the plate and the plug or cap define an internal shaft area having an isolated environment. The internal shaft area is a vacuum environment or comprises an inert gas.
    Type: Application
    Filed: September 28, 2022
    Publication date: April 13, 2023
    Inventor: Vijay D. Parkhe
  • Publication number: 20230113057
    Abstract: Substrate supports comprising a plurality of bonded plates forming a single component support body and methods of forming the substrate supports are described. The single component support body has an outer peripheral edge, a top surface and a bottom surface. A pocket is formed in the top surface and has a bottom surface, a depth and an outer peripheral edge. A purge ring is spaced a distance from the outer peripheral edge and comprises at least one opening in the top surface in fluid communication with a purge gas line within the body thickness.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Tejas Ulavi, Vijay D. Parkhe, Naveen Kumar Nagaraja, Sanjeev Baluja, Surajit Kumar, Dhritiman Subha Kashyap, Ashutosh Agarwal
  • Publication number: 20230072594
    Abstract: An electrostatic chuck is described that has radio frequency coupling suitable for use in high power plasma environments. In some examples, the chuck includes a base plate, a top plate, a first electrode in the top plate proximate the top surface of the top plate to electrostatically grip a workpiece, and a second electrode in the top plate spaced apart from the first electrode, the first and second electrodes being coupled to a power supply to electrostatically charge the first electrode.
    Type: Application
    Filed: November 11, 2022
    Publication date: March 9, 2023
    Inventors: JAEYONG CHO, VIJAY D. PARKHE, HAITAO WANG, KARTIK RAMASWAMY, CHUNLEI ZHANG
  • Patent number: 11557500
    Abstract: Embodiments of the present disclosure provide a heated support pedestal including a body comprising a ceramic material, a support arm extending radially outward from a periphery of the body that is coupled to a shaft, and a vacuum conduit disposed within the shaft and through the body to connect with a surface of the body.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 17, 2023
    Assignee: Applied Materials, Inc.
    Inventor: Vijay D. Parkhe
  • Publication number: 20230005780
    Abstract: Exemplary substrate support assemblies may include an electrostatic chuck body defining a substrate support surface. The support assemblies may include a support stem coupled with the electrostatic chuck body. The support assemblies may include an electrode embedded within the electrostatic chuck body proximate the substrate support surface. The support assemblies may include a ground electrode embedded within the electrostatic chuck body. The support assemblies may include one or more channels formed within the electrostatic chuck body between the electrode and the ground electrode.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 5, 2023
    Applicant: Applied Materials, Inc.
    Inventor: Vijay D. Parkhe