Patents by Inventor Varun Sharma

Varun Sharma 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: 20210020468
    Abstract: To create constant partial pressures of the by-products and residence time of the gas molecules across the wafer, a dual showerhead reactor can be used. A dual showerhead structure can achieve spatially uniform partial pressures, residence times and temperatures for the etchant and for the by-products, thus leading to uniform etch rates across the wafer. The system can include differential pumping to the reactor.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Inventors: Tom E. Blomberg, Varun Sharma
  • Publication number: 20210020469
    Abstract: A semiconductor vapor etching device is disclosed. The device can include an intermediate chamber between a vapor source and a reaction chamber. Etch reactant vapor can be pulsed from the intermediate chamber to the reaction chamber to etch a substrate.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Inventors: Tom E. Blomberg, Varun Sharma
  • Publication number: 20210004398
    Abstract: Methods, systems, and media for identifying abusive user accounts based on playlists are provided. In accordance with some embodiments of the disclosed subject matter, a method for identifying abusive content is provided, the method comprising: determining at least one feature associated with a playlist created by a user-generated channel; calculating a playlist score associated with the playlist based on a playlist classifier, wherein the playlist classifier comprises a function that maps the at least one feature to the playlist score; calculating a channel score associated with the user-generated channel based at least on the calculated playlist score; determining that one or more content items associated with the user-generated channel is to be demoted based on the calculated channel score, wherein the one or more content items comprises the playlist; and causing the one or more content items to be demoted.
    Type: Application
    Filed: November 6, 2019
    Publication date: January 7, 2021
    Inventors: Luca Chiarandini, Varun Sharma
  • Patent number: 10854460
    Abstract: Processes are provided herein for deposition of organic films. Organic films can be deposited, including selective deposition on one surface of a substrate relative to a second surface of the substrate. For example, polymer films may be selectively deposited on a first metallic surface relative to a second dielectric surface. Selectivity, as measured by relative thicknesses on the different layers, of above about 50% or even about 90% is achieved. The selectively deposited organic film may be subjected to an etch process to render the process completely selective. Processes are also provided for particular organic film materials, independent of selectivity.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: December 1, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Eva E. Tois, Hidemi Suemori, Viljami J. Pore, Suvi P. Haukka, Varun Sharma
  • Publication number: 20200334592
    Abstract: Described are a system, method, and computer program product for generating and applying a predictive wait time estimate using predictive modeling. The method includes receiving initial transaction data representative of a plurality of transactions between a plurality of transaction accounts and at least one merchant. The method also includes generating, for each subinterval, training data including at least one of the following: service rate during the subinterval, number of transactions during the subinterval, total transaction value during the subinterval, mean transaction value during the subinterval, year, month, day of week, or any combination thereof. The method further includes generating a predictive model that generates an output of arrival rate for an input of at least one time parameter. The method further includes generating the predictive wait time estimate for a designated time.
    Type: Application
    Filed: December 20, 2017
    Publication date: October 22, 2020
    Inventors: Richa Garg, Walker Carlson, Varun Sharma, Nandakumar Kandaloo, Srijoy Aditya
  • Publication number: 20200308709
    Abstract: Thermal atomic layer etching processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase halide reactant and a second vapor halide reactant. In some embodiments, the first reactant may comprise an organic halide compound. During the thermal ALE cycle, the substrate is not contacted with a plasma reactant.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 1, 2020
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi P. Haukka, Marko J. Tuominen, Chiyu Zhu
  • Publication number: 20200312620
    Abstract: Atomic layer etching (ALE) processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase non-metal halide reactant and a second vapor phase halide reactant. In some embodiments both the first and second reactants are chloride reactants. In some embodiments the first reactant is fluorinating gas and the second reactant is a chlorinating gas. In some embodiments a thermal ALE cycle is used in which the substrate is not contacted with a plasma reactant.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 1, 2020
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi Haukka, Marko Tuominen, Chiyu Zhu
  • Publication number: 20200308710
    Abstract: Thermal atomic layer etching processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase halide reactant and a second vapor halide reactant. In some embodiments, the first reactant may comprise an organic halide compound. During the thermal ALE cycle, the substrate is not contacted with a plasma reactant.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 1, 2020
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi Haukka, Marko Tuominen, Chiyu Zhu
  • Publication number: 20200302423
    Abstract: Techniques for managing communications sessions between multiple user devices is provided. The computer system may support a capability of automatically establishing communications sessions between the user devices. For example, the computer system may receive audio data from a voice controlled device (VCD). The audio data may indicate an utterance of a user confirming that information of a payment instrument is needed for transaction. The computer system may initiate a second communications session with a second device of the user to receive the information required for the transaction. In some examples, the computer system may execute the script to synthesize text-to-speech content that requests user input for the information from the second device. Once received, the information may be stored in a user account associated with the user. The VCD may be instructed to resume communications with the user upon termination of the second communications session with the second device.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 24, 2020
    Inventors: Aravindhan Vijayaraghavan, Jacob Daniel Robert Harding, Varun Sharma
  • Publication number: 20200279758
    Abstract: A chemical dispensing apparatus for providing a chlorine vapor to a reaction chamber is disclosed. The chemical dispensing apparatus may include: a chemical storage vessel configured for storing a chlorine-containing chemical species, a reservoir vessel in fluid communication with the chemical storage vessel, the reservoir vessel configured for converting the chlorine-containing chemical species to the chlorine vapor, and a reaction chamber in fluid communication with the reservoir vessel. Methods for dispensing a chlorine vapor to a reaction chamber are also disclosed.
    Type: Application
    Filed: May 15, 2020
    Publication date: September 3, 2020
    Inventor: Varun Sharma
  • Patent number: 10701163
    Abstract: Described herein is a system and method for estimating wait times at various resource providers based on transaction information submitted to a processing network. In some embodiments, the system identifies a time distance between a target resource provider and a plurality of other resource providers in order to identify resource providers local to the target resource provider. Additionally, the system may identify segments for each of a plurality of users on the system. The processing network may identify recent transaction requests received from each of the resource providers local to the target resource provider. The processing network may then identify users associated with each of those transaction requests. Based on the segments assigned to each of those users, the system may estimate and arrival rate, and subsequently an estimated wait time, for the target resource provider.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: June 30, 2020
    Assignee: Visa International Service Association
    Inventors: Varun Sharma, Patrick Egbuchulam, Zian Huang, Nandakumar Kandaloo, Srijoy Aditya
  • Publication number: 20200194268
    Abstract: Methods for forming a rhenium-containing film on a substrate by a cyclical deposition are disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a rhenium precursor; and contacting the substrate with a second vapor phase reactant. Semiconductor device structures including a rhenium-containing film formed by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 18, 2020
    Inventor: Varun Sharma
  • Patent number: 10678874
    Abstract: A method and a system for recommendation of a succession of one or more services for a service workflow are disclosed. In an embodiment, a query is received to retrieve one or more services from a repository of a plurality of services stored in a hierarchical structure. The hierarchical structure comprises a plurality of hierarchical levels, each hierarchical level in the plurality of hierarchical levels comprising a set of nodes. Each node in the set of nodes in each hierarchical level, stores a first semantic information and a second semantic information. Further, the query is compared with the first semantic information and the second semantic information associated with a first node. The first node or the second node is selected based on the comparison. Further, the first set of services or the combination of services, associated with the selected node is recommended, as the service workflow, to the user.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: June 9, 2020
    Assignee: CONDUENT BUSINESS SERVICES, LLC
    Inventors: Tridib Mukherjee, Varun Sharma, Aditya Hegde, Shruti Kunde
  • Patent number: 10665425
    Abstract: Atomic layer etching (ALE) processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase non-metal halide reactant and a second vapor phase halide reactant. In some embodiments both the first and second reactants are chloride reactants. In some embodiments the first reactant is fluorinating gas and the second reactant is a chlorinating gas. In some embodiments a thermal ALE cycle is used in which the substrate is not contacted with a plasma reactant.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 26, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi P. Haukka, Marko J. Tuominen, Chiyu Zhu
  • Patent number: 10662533
    Abstract: Thermal atomic layer etching processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase halide reactant and a second vapor halide reactant. In some embodiments, the first reactant may comprise an organic halide compound. During the thermal ALE cycle, the substrate is not contacted with a plasma reactant.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 26, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi P. Haukka, Marko J. Tuominen, Chiyu Zhu
  • Patent number: 10662534
    Abstract: Thermal atomic layer etching processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which the substrate is alternately and sequentially exposed to a first vapor phase halide reactant and a second vapor halide reactant. In some embodiments, the first reactant may comprise an organic halide compound. During the thermal ALE cycle, the substrate is not contacted with a plasma reactant.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 26, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Tom E. Blomberg, Varun Sharma, Suvi Haukka, Marko Tuominen, Chiyu Zhu
  • Patent number: 10658205
    Abstract: A chemical dispensing apparatus for providing a chlorine vapor to a reaction chamber is disclosed. The chemical dispensing apparatus may include: a chemical storage vessel configured for storing a chlorine-containing chemical species, a reservoir vessel in fluid communication with the chemical storage vessel, the reservoir vessel configured for converting the chlorine-containing chemical species to the chlorine vapor, and a reaction chamber in fluid communication with the reservoir vessel. Methods for dispensing a chlorine vapor to a reaction chamber are also disclosed.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: May 19, 2020
    Assignee: ASM IP Holdings B.V.
    Inventor: Varun Sharma
  • Publication number: 20200151319
    Abstract: Resource access credential security is improved by providing authentication tools and techniques which do not rely on embedment of credentials in the source code or configuration files of programs that use the credentials to access secured resources. A program under development in a development tool determines through the operation of authentication code that it is under development and that a developer identity is to be used to obtain access credentials, instead of using an identity of the program itself as occurs when the program is not under development. The development tool may be stand-alone, or may be in an integrated development environment, and may be extensible or not. The program may be an application, a web service, or other software, and may be deployed to a cloud or other networked environment. Authentication may be based on a selected developer identity or selected account or other subscriber data.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 14, 2020
    Inventors: Varun SHARMA, Christopher Richard MANN, Nicholas David TORKINGTON, Krupa TADEPALLI, Yixin "Catherine" WANG
  • Publication number: 20200097903
    Abstract: A computer device for providing evidence of goods delivered and services performed. The computer device can include one or more processors and non-transitory computer-readable media storing computer-readable instructions executable by the one or more processors to perform operations. The operations can include storing video media recorded by a provider, the video media being at least a portion of a performance by a provider providing one of goods and services in the home of a customer, and delivering at least a portion of the video media to the customer. The delivered portion of the video media can be a receipt for the one of goods and services performed.
    Type: Application
    Filed: February 20, 2019
    Publication date: March 26, 2020
    Inventors: Benjamin Jung, Lagnajeet Das, Varun Sharma
  • Publication number: 20200051829
    Abstract: Processes are provided herein for deposition of organic films. Organic films can be deposited, including selective deposition on one surface of a substrate relative to a second surface of the substrate. For example, polymer films may be selectively deposited on a first metallic surface relative to a second dielectric surface. Selectivity, as measured by relative thicknesses on the different layers, of above about 50% or even about 90% is achieved. The selectively deposited organic film may be subjected to an etch process to render the process completely selective. Processes are also provided for particular organic film materials, independent of selectivity. Masking applications employing selective organic films are provided. Post-deposition modification of the organic films, such as metallic infiltration and/or carbon removal, is also disclosed.
    Type: Application
    Filed: October 21, 2019
    Publication date: February 13, 2020
    Inventors: Eva E. Tois, Hidemi Suemori, Viljami J. Pore, Suvi P. Haukka, Varun Sharma, Jan Willem Maes, Delphine Longrie, Krzysztof Kachel