Patents by Inventor Mandyam A. Sriram

Mandyam A. Sriram 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: 20200243341
    Abstract: In-situ methods for depositing a metal film without the use of a barrier layer are disclosed. Some embodiments comprise forming an amorphous nucleation layer comprising one or more of silicon or boron and forming a metal layer on the nucleation layer. These processes are performed without an air break between processes.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 30, 2020
    Applicant: Applied Materials, Inc.
    Inventors: Yong Wu, Wei V. Tang, Jianqiu Guo, Wenyi Liu, Yixiong Yang, Jacqueline S. Wrench, Mandyam Sriram, Srinivas Gandikota, Yumin He
  • Publication number: 20190385819
    Abstract: Processing chambers with a plurality of processing stations and individual wafer support surfaces are described. The processing stations and wafer support surfaces are arranged so that there is an equal number of processing stations and heaters. An RF generator is connected to a first electrode in a first station and a second electrode in a second station. A bottom RF path is formed by a connection between the a first support surface and a second support surface.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 19, 2019
    Inventors: Hari Ponnekanti, Tsutomu Tanaka, Mandyam Sriram, Dmitry A. Dzilno, Sanjeev Baluja, Mario D. Silvetti
  • Publication number: 20190131167
    Abstract: Apparatus and methods to process one or more wafers are described. A plurality of process stations are arranged in a circular configuration around a rotational axis. A support assembly with a rotatable center base defining a rotational axis, at least two support arms extending from the center base and heaters on each of the support arms is positioned adjacent the processing stations so that the heaters can be moved amongst the various process stations to perform one or more process condition.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Michael Rice, Joseph AuBuchon, Sanjeev Baluja, Mandyam Sriram
  • Patent number: 10273578
    Abstract: A heating module for use in a substrate processing chamber. The heating module having a housing with a heat source therein. The heating module can be part of a gas distribution assembly positioned above a susceptor assembly to heat the top surface of the susceptor and wafers directly. The heating module can have constant or variable power output. Processing chambers and methods of processing a wafer using the heating module are described.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: April 30, 2019
    Assignee: Applied Materials, Inc.
    Inventors: Joseph Yudovsky, Robert T. Trujillo, Kevin Griffin, Garry K. Kwong, Kallol Bera, Li-Qun Xia, Mandyam Sriram
  • Patent number: 10236197
    Abstract: An apparatus and method for processing a substrate in a processing system containing a deposition chamber, a treatment chamber, and an isolation region, separating the deposition chamber from the treatment is described herein. The deposition chamber deposits a film on a substrate. The treatment chamber receives the substrate from the deposition chamber and alters the film deposited in the deposition chamber with a film property altering device. Processing systems and methods are provided in accordance with the above embodiment and other embodiments.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: March 19, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Karthik Janakiraman, Abhijit Basu Mallick, Hari K. Ponnekanti, Mandyam Sriram, Alexandros T. Demos, Mukund Srinivasan, Juan Carlos Rocha-Alvarez, Dale R. Dubois
  • Patent number: 10214816
    Abstract: An apparatus for depositing film stacks in-situ (i.e., without a vacuum break or air exposure) are described. In one example, a plasma-enhanced chemical vapor deposition apparatus configured to deposit a plurality of film layers on a substrate without exposing the substrate to a vacuum break between film deposition phases, is provided. The apparatus includes a process chamber, a plasma source and a controller configured to control the plasma source to generate reactant radicals using a particular reactant gas mixture during the particular deposition phase, and sustain the plasma during a transition from the particular reactant gas mixture supplied during the particular deposition phase to a different reactant gas mixture supplied during a different deposition phase.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: February 26, 2019
    Assignee: Novellus Systems, Inc.
    Inventors: Jason Dirk Haverkamp, Pramod Subramonium, Joseph L. Womack, Dong Niu, Keith Fox, John B. Alexy, Patrick G. Breiling, Jennifer L. Petraglia, Mandyam A. Sriram, George Andrew Antonelli, Bart J. van Schravendijk
  • Publication number: 20180240676
    Abstract: Methods of depositing a film by atomic layer deposition are described. The methods comprise exposing a substrate surface to a first process condition comprising a first reactive gas and a second reactive gas and exposing the substrate surface to a second process condition comprising the second reactive gas. The first process condition comprises less than a full amount of the second reactive gas for a CVD process.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 23, 2018
    Inventors: Kelvin Chan, Yihong Chen, Jared Ahmad Lee, Kevin Griffin, Srinivas Gandikota, Joseph Yudovsky, Mandyam Sriram
  • Patent number: 10043655
    Abstract: Methods of depositing a film on a substrate surface include surface mediated reactions in which a film is grown over one or more cycles of reactant adsorption and reaction. In one aspect, the method is characterized by intermittent delivery of dopant species to the film between the cycles of adsorption and reaction.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: August 7, 2018
    Assignee: Novellus Systems, Inc.
    Inventors: Shankar Swaminathan, Jon Henri, Dennis Hausmann, Pramod Subramonium, Mandyam Sriram, Vishwanathan Rangarajan, Kirthi Kattige, Bart van Schravendijk, Andrew J. McKerrow
  • Publication number: 20170306490
    Abstract: Methods of depositing a film by atomic layer deposition are described. The methods comprise exposing a substrate surface to a first process condition comprising a first reactive gas and a second reactive gas and exposing the substrate surface to a second process condition comprising the second reactive gas. The first process condition comprises less than a full amount of the second reactive gas for a CVD process.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 26, 2017
    Inventors: Kelvin Chan, Yihong Chen, Jared Ahmad Lee, Kevin Griffin, Srinivas Gandikota, Joseph Yudovsky, Mandyam Sriram
  • Publication number: 20170170009
    Abstract: Methods for filling the gap of a semiconductor feature comprising exposure of a substrate surface to a precursor and reactant and an anneal environment to decrease the wet etch rate ratio of the deposited film and fill the gap.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 15, 2017
    Inventors: Keiichi Tanaka, Andrew Short, Mandyam Sriram, Srinivas Gandikota
  • Publication number: 20170148628
    Abstract: Methods of depositing a film on a substrate surface include surface mediated reactions in which a film is grown over one or more cycles of reactant adsorption and reaction. In one aspect, the method is characterized by intermittent delivery of dopant species to the film between the cycles of adsorption and reaction.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 25, 2017
    Inventors: Shankar Swaminathan, Jon Henri, Dennis Hausmann, Pramod Subramonium, Mandyam Sriram, Vishwanathan Rangarajan, Kirthi Kattige, Bart van Schravendijk, Andrew J. McKerrow
  • Publication number: 20170114459
    Abstract: Methods for depositing film comprising exposing a substrate surface to an organic-based poisoning agent to preferentially inhibit film growth at the top of a feature relative to the bottom of the feature and depositing a film. The substrate can be exposed to the poisoning agent any number of times to promote bottom-up growth of the film in the feature.
    Type: Application
    Filed: October 19, 2016
    Publication date: April 27, 2017
    Inventors: Mark Saly, Keiichi Tanaka, Eswaranand Venkatasubramanian, Mandyam Sriram, Bhaskar Jyoti Bhuyan, Pramit Manna, David Thompson, Andrew Short
  • Patent number: 9611544
    Abstract: Methods of depositing a film on a substrate surface include surface mediated reactions in which a film is grown over one or more cycles of reactant adsorption and reaction. In one aspect, the method is characterized by intermittent delivery of dopant species to the film between the cycles of adsorption and reaction.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: April 4, 2017
    Assignee: Novellus Systems, Inc.
    Inventors: Adrien LaVoie, Mandyam Sriram
  • Publication number: 20170076917
    Abstract: A plasma source assembly for use with a processing chamber includes a blocker plate with at least one elongate slot through the blocker plate. The elongate slots can be have different lengths and angles relative to sides of the blocker plate.
    Type: Application
    Filed: September 9, 2016
    Publication date: March 16, 2017
    Inventors: Joseph Yudovsky, John C. Forster, Kallol Bera, Somesh Khandelwal, Mandyam Sriram, Keiichi Tanaka, Kenji Takeshita, Nobuhiro Sakamoto, Takumi Yanagawa
  • Publication number: 20170053792
    Abstract: Methods for the deposition of SiN films comprising sequential exposure of a substrate surface to a silicon halide precursor at a temperature greater than or equal to about 600° C. and a nitrogen-containing reactant.
    Type: Application
    Filed: August 16, 2016
    Publication date: February 23, 2017
    Inventors: Xinliang Lu, Pingyan Lei, Chien-Teh Kao, Mihaela Balseanu, Li-Qun Xia, Mandyam Sriram
  • Patent number: 9570274
    Abstract: Methods of depositing a film on a substrate surface include surface mediated reactions in which a film is grown over one or more cycles of reactant adsorption and reaction. In one aspect, the method is characterized by intermittent delivery of dopant species to the film between the cycles of adsorption and reaction.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: February 14, 2017
    Assignee: Novellus Systems, Inc.
    Inventors: Shankar Swaminathan, Jon Henri, Dennis Hausmann, Pramod Subramonium, Mandyam Sriram, Vishwanathan Rangarajan, Kirthi Kattige, Bart van Schravendijk, Andrew J. McKerrow
  • Publication number: 20160369398
    Abstract: Apparatus and methods for processing a substrate including an injector unit, comprising a leading reactive gas port extending along a length of the injector unit, a trailing reactive gas port extending along the length of the injector unit, and a merge vacuum port forming a boundary around and enclosing the leading reactive gas port and the trailing reactive gas port.
    Type: Application
    Filed: June 16, 2016
    Publication date: December 22, 2016
    Inventors: Joseph Yudovsky, Kevin Griffin, Mandyam Sriram
  • Patent number: 9443716
    Abstract: Methods for self-aligned multiple patterning including controlled slimming of features during spacer layer deposition. Multiple spacer layer deposition process conditions produce a balance between controlling the damage to the features and increasing production throughput.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: September 13, 2016
    Assignee: Applied Materials, Inc.
    Inventors: Kenji Takeshita, Nobuhiro Sakamoto, Yoshihiro Takenaga, Li-Qun Xia, Mandyam Sriram
  • Publication number: 20160133489
    Abstract: An apparatus and method for processing a substrate in a processing system containing a deposition chamber, a treatment chamber, and an isolation region, separating the deposition chamber from the treatment is described herein. The deposition chamber deposits a film on a substrate. The treatment chamber receives the substrate from the deposition chamber and alters the film deposited in the deposition chamber with a film property altering device. Processing systems and methods are provided in accordance with the above embodiment and other embodiments.
    Type: Application
    Filed: January 5, 2015
    Publication date: May 12, 2016
    Inventors: Karthik JANAKIRAMAN, Abhijit Basu MALLICK, Hari K. PONNEKANTI, Mandyam SRIRAM, Alexandros T. DEMOS, Mukund SRINIVASAN, Juan Carlos ROCHA-ALVAREZ, Dale R. DUBOIS
  • Publication number: 20160104613
    Abstract: Methods for self-aligned multiple patterning including controlled slimming of features during spacer layer deposition. Multiple spacer layer deposition process conditions produce a balance between controlling the damage to the features and increasing production throughput.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 14, 2016
    Inventors: Kenji Takeshita, Nobuhiro Sakamoto, Yoshihiro Takenaga, Li-Qun Xia, Mandyam Sriram