Patents by Inventor Deenesh Padhi

Deenesh Padhi 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: 20250149373
    Abstract: Semiconductor components and systems having substrate contacting surfaces with a reduced hardness are provided. Systems and components include a ceramic, metallic, or non-metallic component for contacting a substrate. Systems and components include a layer of coating material on at least a portion of a substrate contacting surface of the component. Systems and components include where the component for contacting a substrate includes a component Vickers hardness value, and the layer of coating material exhibits a coating layer Vickers hardness value. Systems and components include where the coating layer Vickers hardness value is greater than or about 10% less than the component Vickers hardness value.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 8, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Nitin Deepak, Jennifer Sun, Mayur Govind Kulkarni, Miguel S. Fung, Darius "D" Alexander-Jones, Chih Peng, Deenesh Padhi, Kwangduk Douglas Lee, Ganesh Balasubramanian, Juan Carlos Rocha-Alvarez, Simmon Kuo, Nagarajan Rajagopalan, Shankho Sen
  • Publication number: 20250125145
    Abstract: Exemplary methods of forming a silicon-containing material may include providing a silicon-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region of the semiconductor processing chamber and include one or more features. The methods may include generating plasma effluents of the silicon-containing precursor in the processing region. The methods may include depositing a silicon-containing material on a vertically extending portion and a horizontally extending portion of the feature. Methods include soaking the deposited silicon-containing material with a second silicon-containing material.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 17, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Tianyang Li, Hang Yu, Rui Cheng, Deenesh Padhi, Woongsik Nam
  • Publication number: 20250125180
    Abstract: Substrate support assemblies may include an electrostatic chuck body defining a substrate support surface that defines a substrate seat. Assemblies may include a support stem coupled with the electrostatic chuck body. Assemblies may include a first bipolar electrode embedded within the electrostatic chuck body. Assemblies may include a second bipolar electrode embedded within the electrostatic chuck body radially inward of at least a portion of the first bipolar electrode and coaxial with the first bipolar electrode. Assemblies may include an annular electrode disposed about the first bipolar electrode, where the annular electrode is DC floated and RF powered and exhibits an induced DC current.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 17, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Jian Li, Deenesh Padhi, Abhishek Kumar Verma, Kallol Bera, Juan Carlos Rocha-Alvarez, Wenhao Zhang, Ganesh Balasubramanian
  • Publication number: 20250116001
    Abstract: A semiconductor processing chamber may include a pedestal configured to support a substrate during a plasma-enhanced chemical-vapor deposition (PECVD) process that forms a film on a surface of the substrate. The chamber may also include one or more internal meshes embedded in the pedestal. The one or more internal meshes may be configured to deliver radio-frequency (RF) power to a plasma in the semiconductor processing chamber during the PECVD process. An outer diameter of the one or more internal meshes may be less that a diameter of the substrate. The chamber may further include an RF source configured to deliver the RF power to the one more internal meshes. This configuration may reduce arcing within the processing chamber.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 10, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Allison Yau, Manoj Kumar Jana, Wen-Shan Lin, Zhiling Dun, Xinhai Han, Deenesh Padhi, Jian Li, Yuanchang Chen, Wenhao Zhang, Edward P. Hammond, Alexander V. Garachtchenko, Ganesh Balasubramanian, Juan Carlos Rocha-Alvarez, Sathya Ganta
  • Publication number: 20250101578
    Abstract: Exemplary semiconductor structures may include a stack of layers overlying a substrate. The stack of layers may include a first portion of layers, a second portion of layers overlying the first portion of layers, and a third portion of layers overlying the second portion of layers. The first portion of layers, the second portion of layers, and the third portion of layers may include alternating layers of a silicon oxide material and a silicon nitride material. One or more apertures may be formed through the stack of layers. A lateral notch in each individual layer of silicon nitride material at an interface of the individual layer of silicon nitride material and an overlying layer of silicon oxide material may extend a distance less than or about 100% of a distance corresponding to a thickness of the individual layer of silicon nitride material.
    Type: Application
    Filed: December 10, 2024
    Publication date: March 27, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Xinhai Han, Hang Yu, Kesong Hu, Kristopher R. Enslow, Masaki Ogata, Wenjiao Wang, Chuan Ying Wang, Chuanxi Yang, Joshua Maher, Phaik Lynn Leong, Grace Qi En Teong, Alok Jain, Nagarajan Rajagopalan, Deenesh Padhi, SeoYoung Lee
  • Patent number: 12211908
    Abstract: Exemplary semiconductor structures and processing methods may include forming a first portion of a first semiconductor layer characterized by a first etch rate for an etch treatment, forming a second portion of the first semiconductor layer characterized by a second etch rate that is less than the first etch rate for the etch treatment, and forming a third portion of the first semiconductor layer characterized by a third etch rate that is greater than the second etch rate. The processing methods may further include etching an opening through the first semiconductor layer, where the opening has a height and a width, and where the opening is characterized by a variation in the width between a midpoint of the height of the opening and an endpoint of the opening that is less than or about 5 ?.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: January 28, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Akhil Singhal, Allison Yau, Sang-Jin Kim, Zeqiong Zhao, Zhijun Jiang, Deenesh Padhi, Ganesh Balasubramanian
  • Publication number: 20250029849
    Abstract: Exemplary semiconductor processing chambers may include a chamber body. The chambers may include a substrate support within the chamber body. The substrate support may define a substrate support surface. The chambers may include a faceplate supported atop the chamber body. The substrate support and a bottom surface of the faceplate may at least partially define a processing region. The bottom surface of the faceplate may define an annular protrusion that is directly above at least a portion of a radially outer 10% of the substrate support surface and an annular groove that is positioned radially outward of the annular protrusion. At least a portion of the annular groove may extend radially outward beyond the substrate support surface. The faceplate may define apertures through the faceplate. A first subset of the apertures may extend through the annular protrusion and a second subset of the apertures may extend through the annular groove.
    Type: Application
    Filed: July 18, 2023
    Publication date: January 23, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Anish Janakiraman, Mayur Govind Kulkarni, Deenesh Padhi
  • Patent number: 12198925
    Abstract: Exemplary methods of forming a silicon-and-carbon-containing material may include flowing a silicon-and-carbon-containing precursor into a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region of the semiconductor processing chamber. The methods may include forming a plasma within the processing region of the silicon-and-carbon-containing precursor. The plasma may be formed at a frequency above 15 MHz. The methods may include depositing a silicon-and-carbon-containing material on the substrate. The silicon-and-carbon-containing material as-deposited may be characterized by a dielectric constant below or about 3.0.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: January 14, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Shaunak Mukherjee, Kang Sub Yim, Deenesh Padhi, Abhijit A. Kangude, Rahul Rajeev, Shubham Chowdhuri
  • Patent number: 12195846
    Abstract: Exemplary methods of forming semiconductor structures may include forming a silicon oxide layer from a silicon-containing precursor and an oxygen-containing precursor. The methods may include forming a silicon nitride layer from a silicon-containing precursor, a nitrogen-containing precursor, and an oxygen-containing precursor. The silicon nitride layer may be characterized by an oxygen concentration greater than or about 5 at. %. The methods may also include repeating the forming a silicon oxide layer and the forming a silicon nitride layer to produce a stack of alternating layers of silicon oxide and silicon nitride.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: January 14, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Xinhai Han, Hang Yu, Kesong Hu, Kristopher R. Enslow, Masaki Ogata, Wenjiao Wang, Chuan Ying Wang, Chuanxi Yang, Joshua Maher, Phaik Lynn Leong, Grace Qi En Teong, Alok Jain, Nagarajan Rajagopalan, Deenesh Padhi, SeoYoung Lee
  • Publication number: 20240427979
    Abstract: A method includes obtaining, by a processing device, first data indicative of overlay error of a substrate. The method further includes generating second data indicative of first stress uniformity of the substrate based on the first data. The method further includes performing a corrective action based on the second data.
    Type: Application
    Filed: June 24, 2024
    Publication date: December 26, 2024
    Inventors: Zhiling Dun, Allison Yao, Jingmin Leng, Xinhai Han, Deenesh Padhi
  • Publication number: 20240420949
    Abstract: Exemplary processing methods may include i) providing one or more deposition precursors to a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region. The substrate may include one or more features defining one or more sidewalls. The methods may include ii) forming plasma effluents of the one or more deposition precursors. The methods may include iii) contacting the substrate with the plasma effluents of the one or more deposition precursors. The contacting may deposit a doped silicon-and-oxygen-containing material on the substrate. A first portion of the doped silicon-and-oxygen-containing material deposited on the one or more sidewalls of the one or more features may be characterized by a poorer film quality than a second portion of the doped silicon-and-oxygen-containing material deposited on a lower portion of the one or more features.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 19, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Woongsik Nam, Euhngi Lee, Tianyang Li, Jisung Park, Hang Yu, Deenesh Padhi, Shichen Fu, Yufeng Jiang
  • Publication number: 20240332009
    Abstract: Exemplary methods of semiconductor processing may include forming a layer of silicon nitride on a semiconductor substrate. The layer of silicon nitride may be characterized by a first roughness. The methods may include performing a post-deposition treatment on the layer of silicon nitride. The methods may include reducing a roughness of the layer of silicon nitride such that the layer of silicon nitride may be characterized by a second roughness less than the first roughness.
    Type: Application
    Filed: March 26, 2024
    Publication date: October 3, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Qixin Shen, Chuanxi Yang, Hang Yu, Deenesh Padhi, Prashanthi Para, Miguel S. Fung, Rajesh Prasad, Fenglin Wang, Shan Tang, Kyu-Ha Shim
  • Publication number: 20240332006
    Abstract: Exemplary methods of forming a silicon-and-carbon-containing material may include providing a silicon-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region of the semiconductor processing chamber. The methods may include providing a hydrogen-containing precursor to the processing region. The methods may include generating plasma effluents of the silicon-containing precursor and plasma effluents of the hydrogen-containing precursor in the processing region. The plasma effluents may be generated at a frequency greater than 15 MHz. The methods may include depositing a silicon-containing material on the substrate.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 3, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Tianyang Li, Jisung Park, Xinhai Han, Woongsik Nam, Deenesh Padhi
  • Publication number: 20240332000
    Abstract: Exemplary methods of semiconductor processing may include providing deposition precursors to a processing region of a semiconductor processing chamber. A substrate may be disposed within the processing region. The deposition precursors may include a silicon-containing precursor. The methods may include providing a dopant precursor to the processing region of the semiconductor processing chamber. The dopant precursor may include a phosphorous-containing precursor. The methods may include generating plasma effluents of the deposition precursors and the dopant precursor. The methods may include depositing a silicon-containing material on the substrate. The silicon-containing material may be characterized by a stress of greater than or about ?50 MPa.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 3, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Akhil Singhal, Deenesh Padhi, Sukrant Dhawan, Vinayak Vats
  • Publication number: 20240304437
    Abstract: Capacitor devices containing silicon boron nitride with high boron concentration are provided. In one or more examples, a capacitor device is provided and contains a stopper layer containing silicon boron nitride and disposed on a substrate, a dielectric layer disposed on the stopper layer, vias formed within the dielectric layer and the stopper layer, metal contacts disposed on bottoms of the vias, a nitride barrier layer containing a metal nitride material and disposed on walls of the vias and disposed on the metal contacts, and an oxide layer disposed within the vias on the nitride barrier layer, wherein the oxide layer contains one or more holes or voids formed therein. The silicon boron nitride contains about 18 atomic percent (at %) to about 50 at % of boron.
    Type: Application
    Filed: April 29, 2024
    Publication date: September 12, 2024
    Inventors: Chuanxi YANG, Hang YU, Sanjay KAMATH, Deenesh PADHI, Honggun KIM, Euhngi LEE, Zubin HUANG, Diwakar N. KEDLAYA, Rui CHENG, Karthik JANAKIRAMAN
  • Publication number: 20240243018
    Abstract: Methods and systems are described for generating assessment maps. A method includes receiving a first data set reflecting distortions associated with a substrate and generating a second data set reflecting reduced noise in the distortions of the first data set. A third data set is generated by projecting a plurality of direction components associated with the second data set to a radial direction and a stress or strain map is generated indicating at least one of stress or strain exhibited by the substrate by determining a magnitude associated with a subset of the third data set.
    Type: Application
    Filed: April 1, 2024
    Publication date: July 18, 2024
    Inventors: Wenjiao Wang, Joshua Maher, Xinhai Han, Deenesh Padhi, Tza-Jing Gung
  • Publication number: 20240145230
    Abstract: Exemplary semiconductor processing methods may include providing one or more deposition precursors to a semiconductor processing chamber. A substrate may be disposed within a processing region of the semiconductor processing chamber. The methods may include depositing a silicon-containing material on the substrate and on one or more components of the semiconductor processing chamber. The methods may include providing a fluorine-containing precursor to the processing region. The fluorine-containing precursor may be plasma-free when provided to the processing region. The methods may include contacting the silicon-containing material on the one or more components of the semiconductor processing chamber with the fluorine-containing precursor. The methods may include removing at least a portion of the silicon-containing material on the one or more components of the semiconductor processing chamber with the fluorine-containing precursor.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 2, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Abhishek Mandal, Nitin Deepak, Geetika Bajaj, Ankur Kadam, Gopi Chandran Ramachandran, Suraj Rengarajan, Farhad K. Moghadam, Deenesh Padhi, Srinivas M. Satya, Manish Hemkar, Vijay Tripathi, Darshan Thakare
  • Publication number: 20240110284
    Abstract: A method of processing a substrate is disclosed which includes depositing a layer in a processing chamber on a field region, a sidewall region, and a fill region of a feature of the substrate, wherein a hardness of a portion of the layer deposited on the sidewall region is lower than a hardness of a portion of the layer deposited on the field region, and lower than a hardness of a portion of the layer deposited on the fill region.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 4, 2024
    Inventors: Lulu XIONG, Kevin Hsiao, Chris LIU, Chieh-Wen LO, Sean M. SEUTTER, Deenesh PADHI, Prayudi LIANTO, Peng SUO, Guan Huei SEE, Zongbin WANG, Shengwei ZENG, Balamurugan RAMASAMY
  • Patent number: 11948846
    Abstract: Methods and systems are described for generating assessment maps. A method includes receiving a first vector map comprising a first set of vectors each indicating a distortion of a particular location on a substrate and generating a second vector map indicating a change in direction of a magnitude of the distortion of the particular location on the substrate. The method further includes generating a third vector map comprising vectors reflecting reduced noise in distortions across the plurality of locations on the substrate and generating a fourth vector map projecting a direction component of each vector component in the third set of vectors to a radial direction. The method further includes generating a fifth vector map by grouping the vectors of the fourth set of vectors and determining a magnitude associated with each group of vectors.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: April 2, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Wenjiao Wang, Joshua Maher, Xinhai Han, Deenesh Padhi, Tza-Jing Gung
  • Patent number: 11935751
    Abstract: Exemplary deposition methods may include delivering a boron-containing precursor and a nitrogen-containing precursor to a processing region of a semiconductor processing chamber. The methods may include providing a hydrogen-containing precursor with the boron-containing precursor and the nitrogen-containing precursor. A flow rate ratio of the hydrogen-containing precursor to either of the boron-containing precursor or the nitrogen-containing precursor may be greater than or about 2:1. The methods may include forming a plasma of all precursors within the processing region of the semiconductor processing chamber. The methods may include depositing a boron-and-nitrogen material on a substrate disposed within the processing region of the semiconductor processing chamber.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 19, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Siyu Zhu, Chuanxi Yang, Hang Yu, Deenesh Padhi, Yeonju Kwak, Jeong Hwan Kim, Qian Fu, Xiawan Yang