Patents by Inventor Prerna Goradia

Prerna Goradia 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: 12004337
    Abstract: Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: June 4, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, David Fenwick, XiaoMing He, Sanni Seppaelae, Jennifer Sun, Rajkumar Thanu, Jeff Hudgens, Karuppasamy Muthukamatchy, Arun Dhayalan
  • Publication number: 20240148001
    Abstract: The present invention relates to non-cytotoxic disinfectant and sanitizer composition for disinfecting porous surfaces such as textiles, wood, paints, ceramics, PPE's etc. and method of preparing the same. The composition comprises of anti-microbial ceramic compounds, photo catalytic agents selected from the group consisting of titania, zinc oxide, magnesium oxide and silica; at least one surfactants and excipients. The composition can effectively neutralize microorganisms deep into the surfaces while not altering the characteristics of the articles. The compositions are designed to impart negative ion effect, cooling effect, help to remove toxic gases from the environment and yield long lasting effects by binding to the articles. Besides, as part of air and water filters, the additive aids in the removal of volatile organic compounds (VOCs); thereby providing great potential applications for contaminant control in indoor environments such as residences, office buildings, factories.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Inventor: Prerna Goradia
  • Patent number: 11939683
    Abstract: The present disclosure provides a method and system for producing antimicrobial compositions comprising transition metal ions which are generated electrolytically in aqueous solution; chelating agent and excipients; wherein the said ionic species thereby impart stability and longer shelf life and long-term efficacy. Owing to the neutral pH, colorless, odorless, tasteless, non-caustic, non-corrosive nature, the composition of example embodiments shall be used as surface disinfectant and food contact sanitizer and provides an unparalleled combination of high efficacy and low toxicity with instant kill and long-term efficacy. The specific combination of certain metals provides the ability to be extremely broad spectrum and thus works against virus, bacteria, fungi, mold, mildew and antibiotic resistant species as well.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: March 26, 2024
    Inventor: Prerna Goradia
  • Publication number: 20230413809
    Abstract: Disinfectant compositions having long-term stability and efficacy are disclosed. More specifically, the compositions of the present disclosure are stable when subjected to both light and heat and efficacious against virus families including the SARS-CoV2 virus. The compositions comprise a nanoparticle anti-microbial agent, and one or more additional components selected from reducing agents, surface binding agents, wetting agents, matrix components, polymers, and reverse micellar surfactants. Methods for treating or impregnating textiles, including gloves, with the disinfectant composition comprising a nanoparticle anti-microbial agent are also disclosed.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 28, 2023
    Inventor: Prerna GORADIA
  • Publication number: 20230279541
    Abstract: Described herein are articles, systems and methods where a halogen resistant coating is deposited onto a surface of a chamber component using an atomic layer deposition (ALD) process. The halogen resistant coating has an optional amorphous seed layer and a transition metal-containing layer. The halogen resistant coating uniformly covers features of the chamber component, such as those having an aspect ratio of about 3:1 to about 300:1.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 7, 2023
    Inventors: Prerna Goradia, Jennifer Y. Sun, Xiaowei Wu, Geetika Bajaj, Atul Chaudhari, Ankur Kadam
  • Patent number: 11639547
    Abstract: Described herein are articles, systems and methods where a halogen resistant coating is deposited onto a surface of a chamber component using an atomic layer deposition (ALD) process. The halogen resistant coating has an optional amorphous seed layer and a transition metal-containing layer. The halogen resistant coating uniformly covers features of the chamber component, such as those having an aspect ratio of about 3:1 to about 300:1.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: May 2, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Prerna Goradia, Jennifer Y. Sun, Xiaowei Wu, Geetika Bajaj, Atul Chaudhari, Ankur Kadam
  • Publication number: 20230077895
    Abstract: Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 16, 2023
    Inventors: Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, David Fenwick, XiaoMing He, Sanni Seppaelae, Jennifer Sun, Rajkumar Thanu, Jeff Hudgens, Karuppasamy Muthukamatchy, Arun Dhayalan
  • Publication number: 20230072705
    Abstract: Methods for making nanolaminates using Vapor Deposited methods such as Chemical Vapor Deposition and Physical Vapor Deposition, which can be applied on various surfaces, including glass, the soft polymeric material, or surgical instruments, as well as synthetic, composite, and organic materials. Methods of manufacturing nanolaminates by employing sequential surface reactions, wherein the antimicrobial coatings are provided by employing an Atomic Layer Deposition (ALD) process, thermal spray and or aerosol assisted deposition.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 9, 2023
    Inventor: Prerna Goradia
  • Publication number: 20230055027
    Abstract: The present disclosure provides a method and system for producing antimicrobial compositions comprising transition metal ions which are generated electrolytically in aqueous solution; chelating agent and excipients; wherein the said ionic species thereby impart stability and longer shelf life and long-term efficacy. Owing to the neutral pH, colorless, odorless, tasteless, non-caustic, non-corrosive nature, the composition of example embodiments shall be used as surface disinfectant and food contact sanitizer and provides an unparalleled combination of high efficacy and low toxicity with instant kill and long-term efficacy. The specific combination of certain metals provides the ability to be extremely broad spectrum and thus works against virus, bacteria, fungi, mold, mildew and antibiotic resistant species as well.
    Type: Application
    Filed: May 5, 2022
    Publication date: February 23, 2023
    Inventor: Prerna Goradia
  • Publication number: 20230044014
    Abstract: An aqueous disinfectant solution having a stable ionic form of metals like silver, copper, and zinc in combination having significant ability to kill or disabling microorganisms and acts as antifungal as well with an extended useful shelf-life characterized by its noncorrosive nature and possesses better residual efficacy.
    Type: Application
    Filed: May 22, 2022
    Publication date: February 9, 2023
    Inventor: Prerna Goradia
  • Patent number: 11547030
    Abstract: Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: January 3, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, David Fenwick, XiaoMing He, Sanni Seppaelae, Jennifer Sun, Rajkumar Thanu, Jeff Hudgens, Karuppasamy Muthukamatchy, Arun Dhayalan
  • Patent number: 11540432
    Abstract: Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: December 27, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, David Fenwick, XiaoMing He, Sanni Seppaelae, Jennifer Sun, Rajkumar Thanu, Jeff Hudgens, Karuppasamy Muthukamatchy, Arun Dhayalan
  • Publication number: 20220369645
    Abstract: A light stable, environmentally friendly, broad spectrum antimicrobial disinfectants comprising of active metal ions and method of preparing the same are provided. The compositions are non-toxic, cost-effective formulations, comprising of metal ions, biopolymer, and complexing agent. The compositions are very effective with the dosing and treatment regime designed to give a 6-log reduction in bacteria and virus count and also expected to yield 30 days or more of residual efficacy.
    Type: Application
    Filed: May 5, 2022
    Publication date: November 24, 2022
    Inventor: Prerna Goradia
  • Publication number: 20220356582
    Abstract: A method of coating an antimicrobial conductive metal layer on a non-conductive surface of articles with novel chemistry and methods with just a few process steps consisting of contacting the chemistries at room temperature for short durations is disclosed. The methodology is environmentally friendly, non-toxic aqueous bath of different salt compositions for providing uniform anti-microbial metal coating on the articles. The cost-effective methodology can be used on a wide variety of non-conductive surfaces such as glass, fibers, textiles, ceramic, plastic, foam and so on.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Inventor: Prerna Goradia
  • Patent number: 11388822
    Abstract: Methods for forming circuit boards and circuit boards using an adhesion layer are described. A substrate with two surfaces is exposed to a bifunctional organic compound to form an adhesion layer on the first substrate surface. A resin layer is then deposited on the adhesion layer and the exposed substrate surfaces. Portions of the resin layer may be removed to expose metal pads for contacts.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: July 12, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Tapash Chakraborty, Steven Verhaverbeke, Han-Wen Chen, Chintan Buch, Prerna Goradia, Giback Park, Kyuil Cho
  • Patent number: 11359282
    Abstract: Methods of depositing a metal film by exposing a substrate surface to a halide precursor and an organosilane reactant are described. The halide precursor comprises a compound of general formula (I): MQzRm, wherein M is a metal, Q is a halogen selected from Cl, Br, F or I, z is from 1 to 6, R is selected from alkyl, CO, and cyclopentadienyl, and m is from 0 to 6. The aluminum reactant comprises a compound of general formula (II) or general formula (III): wherein R1, R2, R3, R4, R5, R6, R7, R8, Ra, Rb, Rc, Rd, Re, and Rf are independently selected from hydrogen (H), substituted alkyl or unsubstituted alkyl; and X, Y, X?, and Y? are independently selected from nitrogen (N) and carbon (C).
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: June 14, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Geetika Bajaj, Darshan Thakare, Prerna Goradia, Robert Jan Visser, Yixiong Yang, Jacqueline S. Wrench, Srinivas Gandikota
  • Patent number: 11280717
    Abstract: Methods and apparatuses for identifying contaminants in a semiconductor cleaning solution, including: contacting a semiconductor cleaning solution with a semiconductor manufacturing component to form an effluent including one or more insoluble analytes-of-interest; contacting the effluent including one or more insoluble analytes-of-interest with an optical apparatus configured to sense fluorescence and, optionally, Raman signals from the one or more insoluble analytes-of-interest, wherein the apparatus includes an electron multiplying charged couple device and a grating spectrometer to spectrally disperse the fluorescence and project the fluorescence on to the electron multiplying charged couple device; and identifying the one or more analytes of interest.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: March 22, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Prerna Goradia, Avishek Ghosh, Robert Jan Visser
  • Publication number: 20220071023
    Abstract: Methods for forming circuit boards and circuit boards using an adhesion layer are described. A substrate with two surfaces is exposed to a bifunctional organic compound to form an adhesion layer on the first substrate surface. A resin layer is then deposited on the adhesion layer and the exposed substrate surfaces. Portions of the resin layer may be removed to expose metal pads for contacts.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 3, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Tapash Chakraborty, Steven Verhaverbeke, Han-Wen Chen, Chintan Buch, Prerna Goradia, Giback Park, Kyuil Cho
  • Publication number: 20220049353
    Abstract: Methods of depositing a metal film by exposing a substrate surface to a halide precursor and an organosilane reactant are described. The halide precursor comprises a compound of general formula (I): MQzRm, wherein M is a metal, Q is a halogen selected from Cl, Br, F or I, z is from 1 to 6, R is selected from alkyl, CO, and cyclopentadienyl, and m is from 0 to 6. The aluminum reactant comprises a compound of general formula (II) or general formula (III): wherein R1, R2, R3, R4, R5, R6, R7, R8, Ra, Rb, Rc, Rd, Re, and Rf are independently selected from hydrogen (H), substituted alkyl or unsubstituted alkyl; and X, Y, X?, and Y? are independently selected from nitrogen (N) and carbon (C).
    Type: Application
    Filed: August 12, 2020
    Publication date: February 17, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Geetika Bajaj, Darshan Thakare, Prerna Goradia, Robert Jan Visser, Yixiong Yang, Jacqueline S. Wrench, Srinivas Gandikota
  • Publication number: 20210100141
    Abstract: Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.
    Type: Application
    Filed: June 2, 2020
    Publication date: April 1, 2021
    Inventors: Gayatri Natu, Geetika Bajaj, Prerna Goradia, Darshan Thakare, David Fenwick, XiaoMing He, Sanni Seppaelae, Jennifer Sun, Rajkumar Thanu, Jeff Hudgens, Karuppasamy Muthukamatchy, Arun Dhayalan