Patents by Inventor Yogananda SARODE
Yogananda SARODE 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).
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Publication number: 20250087524Abstract: A process kit enclosure system includes walls and a retention device structure. The retention device structure includes a retention device post and a retention device fin. The retention device fin in a first position is disposed above and secures a process kit ring supported in the interior volume of the process kit enclosure system. The retention device fin is rotated from the first position to be in a second position to be outside a boundary of the process kit ring. The retention device post is aligned with and inserts into a recess formed by a top cover of the process kit enclosure system responsive to the retention device post being in the first position. The retention device post is misaligned with and blocked from inserting into the recess formed by the top cover responsive to the retention device post of the retention device structure being in the second position.Type: ApplicationFiled: November 25, 2024Publication date: March 13, 2025Inventors: Helder Lee, Nicholas Michael Kopec, Leon Volfovski, Douglas R. McAllister, Andreas Schmid, Jeffrey Hudgens, Yogananda Sarode Vishwanath, Steven Babayan
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Publication number: 20250069921Abstract: Methods and systems for in-situ temperature control are provided. The system includes a temperature-sensing dis. The temperature-sensing disc has a body, a front surface and a back surface opposing the front surface. One or more cameras are positioned on the front surface, the back surface, or both the front surface and the back surface. The one or more cameras are configured for performing infrared-based imaging of a surface of a processing chamber.Type: ApplicationFiled: November 11, 2024Publication date: February 27, 2025Inventors: Andrew NGUYEN, Yogananda SARODE, Xue CHANG, Kartik RAMASWAMY
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Patent number: 12183605Abstract: Methods and systems for in-situ temperature control are provided. The method includes delivering a temperature-sensing disc into a processing region of a processing chamber without breaking vacuum. The temperature-sensing disc includes one or more cameras configured to perform IR-based imaging. The method further includes measuring a temperature of at least one region of at least one chamber surface in the processing region of the processing chamber by imaging the at least one surface using the temperature-sensing disc. The method further includes comparing the measured temperature to a desired temperature to determine a temperature difference. The method further includes adjusting a temperature of the at least one chamber surface to compensate for the temperature difference.Type: GrantFiled: September 17, 2021Date of Patent: December 31, 2024Assignee: Applied Materials, Inc.Inventors: Andrew Nguyen, Yogananda Sarode, Xue Chang, Kartik Ramaswamy
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Publication number: 20240429088Abstract: Apparatuses including a height-adjustable edge ring, and methods for use thereof are described herein. In one example, a process kit for processing a substrate is provided. The process kit has a support ring comprising an upper surface having an inner edge disposed at a first height and an outward edge disposed at a second height less than the first height, the inner edge having a greater thickness than the outward edge. An edge ring is disposed on the support ring, an inner surface of the edge ring interfaced with the inner edge of the support ring. A cover ring is disposed outward of the edge ring, the edge ring independently moveable relative to the support ring and the cover ring. Push pins are disposed inward of the cover ring, the push pins operable to elevate the edge ring while constraining radial movement of the support ring.Type: ApplicationFiled: September 3, 2024Publication date: December 26, 2024Inventors: Michael R. RICE, Yogananda SARODE VISHWANATH, Sunil SRINIVASAN, Rajinder DHINDSA, Steven E. BABAYAN, Olivier LUERE, Denis Martin KOOSAU, Imad YOUSIF
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Publication number: 20240420932Abstract: Substrate support components including an integrally formed insulator body including a first surface and a second surface opposite the first surface, and a thickness of the insulator body exceeds an arcing threshold between the first body and the second body when the insulator body is arranged between a first electrically conductive body and a second electrically conductive body. The insulator body includes gas conduits within the insulator body and forming a gas flow path from the first surface to the second surface, including a gas conductance plug embedded within a first portion of the gas conduit and having at least a threshold gas conductance through the gas conductance plug, wherein the gas conductance plug obstructs an electrical discharge path between the first body and the second body when the insulator body is arranged with respect to the first body and the second body.Type: ApplicationFiled: June 14, 2023Publication date: December 19, 2024Inventors: Yogananda Sarode Vishwanath, Xue Yang Chang
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Publication number: 20240420984Abstract: An electrostatic chuck (ESC) including a ceramic body having a first surface with two or more regions defined on the first surface arranged concentrically with respect to each other on the first surface. Each region includes a retaining ring arranged on the first surface and defining an outer edge of the region, and structures arranged on the first surface and within the region configured to support a surface of a substrate when the substrate is retained by the electrostatic chuck. The ESC includes gas conduits configured to introduce a gas into the two or more regions through the ceramic body and to the first surface, and embedded electrodes within the ceramic body and arranged with respect to the first surface and configured to generate a retaining force on the surface of the substrate.Type: ApplicationFiled: June 15, 2023Publication date: December 19, 2024Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Tom K. Cho, Jennifer Y. Sun, Xue Yang Chang
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Patent number: 12165905Abstract: A process kit enclosure system includes surfaces to enclose an interior volume, a first support structure including first fins, a second support structure including second fins, and a front interface to interface the process kit enclosure system with a load port of a wafer processing system. The first and second fins are sized and spaced to hold process kit ring carriers and process kit rings in the interior volume. Each of the process kit rings is secured to one of the process kit ring carriers. The process kit enclosure system enables first automated transfer of a first process kit ring carrier securing a first process kit ring from the process kit enclosure system into the wafer processing system and second automated transfer of a second process kit ring carrier securing a second process kit ring from the wafer processing system into the process kit enclosure system.Type: GrantFiled: May 20, 2019Date of Patent: December 10, 2024Assignee: Applied Materials, Inc.Inventors: Helder Lee, Nicholas Michael Kopec, Leon Volfovski, Douglas R. McAllister, Andreas Schmid, Jeffrey Hudgens, Yogananda Sarode Vishwanath, Steven Babayan
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Publication number: 20240387224Abstract: A device includes a hybrid puck corresponding to an electrostatic chuck. The hybrid puck includes a backing region and a chucking region disposed on the backing region. The backing region includes a first dielectric material to improve thermal performance of the hybrid puck. The chucking region includes a second dielectric material different from the first dielectric material to improve leakage current stability.Type: ApplicationFiled: May 16, 2023Publication date: November 21, 2024Inventors: Yogananda Sarode, Anand Kumar, Prashant V. Javali
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Publication number: 20240351055Abstract: Example structures, methods, and systems for additive manufacturing of a gas hub and delivery nozzle are disclosed. One example structure includes a unitary gas hub and distribution nozzle that includes a gas hub portion and a gas delivery nozzle portion. The gas hub portion includes multiple gas inlet paths and one or more plenum chambers. The multiple gas inlet paths and the one or more plenum chambers form fully recursive gas paths. Each of the one or more plenum chambers has one or more output holes. The gas delivery nozzle portion includes multiple gas flow paths, where each gas flow path is coupled to one of the one or more output holes in each of the one or more plenum chambers, and each gas flow path has a respective output at an outer surface of the gas delivery nozzle portion.Type: ApplicationFiled: June 7, 2023Publication date: October 24, 2024Inventors: Yogananda Sarode Vishwanath, Andrew Nguyen, Tom K. Cho
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Publication number: 20240344199Abstract: Semiconductor processing systems and system components are described. The system components include a chamber lid of a semiconductor processing chamber that includes a dielectric material having a substantially disk shape and integrating a lid portion and a gas delivery nozzle portion into a single structure. The chamber lid includes a plurality of gas flow paths that each traverse a region of the chamber lid from an input location at a first surface of the chamber lid to a respective output location on a different surface of the chamber lid and through which etch gases are distributed to particular portions of a processing region of the processing chamber.Type: ApplicationFiled: August 28, 2023Publication date: October 17, 2024Inventors: Yogananda Sarode Vishwanath, Anand KUMAR, George KIM
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Publication number: 20240339302Abstract: Systems, methods, and apparatus including designs embodied in machine-readable media for a gas break used in semiconductor processing systems. The apparatus includes a gas break structure comprising an insulating material and having one or more gas flow paths formed within a body of the gas break structure, the gas break structure configured to provide a specified impedance when coupled between a grounded gas distribution manifold and an electrically charged gas delivery nozzle, the gas break structure further comprising an internal structure having a specified geometry comprising a repeating structure and one or more empty gaps between elements of the repeating structure. The gas break can be formed using additive manufacturing.Type: ApplicationFiled: June 6, 2023Publication date: October 10, 2024Inventors: Yogananda Sarode Vishwanath, Andrew Nguyen, Tom K. Cho
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Publication number: 20240339301Abstract: Example structures, methods, and systems for additive manufacturing of components of source and gas delivery nozzle assembly are disclosed. One example structure includes a unitary gas distribution nozzle assembly that includes an upper electrode portion and a lower electrode portion joined by multiple joining structures, and one or more gas zone divider walls positioned between the upper electrode portion and the lower electrode portion. The unitary gas distribution nozzle assembly is of a single material. Each of the multiple joining structures is positioned between the upper electrode portion and the lower electrode portion. Each of the multiple joining structures is configured to transfer radio-frequency (RF) energy and thermal energy between the upper electrode portion and the lower electrode portion. The one or more gas zone divider walls are configured to separate a region between the upper electrode portion and the lower electrode portion into two or more plenum chambers.Type: ApplicationFiled: June 7, 2023Publication date: October 10, 2024Inventors: Yogananda Sarode Vishwanath, Andrew Nguyen, Tom K. Cho
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Patent number: 12100576Abstract: Embodiments of process kits for use in a process chamber are provided herein. In some embodiments, a process kit for use in a process chamber includes: a chamber liner having a tubular body with an upper portion and a lower portion; a confinement plate coupled to the lower portion of the chamber liner and extending radially inward from the chamber liner, wherein the confinement plate includes a plurality of slots; a shield ring disposed within the chamber liner and movable between the upper portion of the chamber liner and the lower portion of the chamber liner; and a plurality of ground straps coupled to the shield ring at a first end of each ground strap of the plurality of ground straps and to the confinement plate at a second end of each ground strap to maintain electrical connection between the shield ring and the chamber liner when the shield ring moves.Type: GrantFiled: April 30, 2020Date of Patent: September 24, 2024Assignee: APPLIED MATERIALS, INC.Inventors: Andrew Nguyen, Xue Yang Chang, Yu Lei, Xianmin Tang, John C. Forster, Yogananda Sarode Vishwanath, Abilash Sainath, Tza-Jing Gung
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Patent number: 12094752Abstract: Apparatuses including a height-adjustable edge ring, and methods for use thereof are described herein. In one example, a process kit for processing a substrate is provided. The process kit has a support ring comprising an upper surface having an inner edge disposed at a first height and an outward edge disposed at a second height less than the first height, the inner edge having a greater thickness than the outward edge. An edge ring is disposed on the support ring, an inner surface of the edge ring interfaced with the inner edge of the support ring. A cover ring is disposed outward of the edge ring, the edge ring independently moveable relative to the support ring and the cover ring. Push pins are disposed inward of the cover ring, the push pins operable to elevate the edge ring while constraining radial movement of the support ring.Type: GrantFiled: June 17, 2022Date of Patent: September 17, 2024Assignee: Applied Materials, Inc.Inventors: Michael R. Rice, Yogananda Sarode Vishwanath, Sunil Srinivasan, Rajinder Dhindsa, Steven E. Babayan, Olivier Luere, Denis M. Koosau, Imad Yousif
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Publication number: 20240304486Abstract: An electrostatic chuck (ESC) having a ceramic body including embedded electrodes and having a first diameter. Three or more regions are defined on a surface and arranged concentrically on the surface, each region includes a retaining ring arranged on the surface and defining an outer edge of the region, and supportive structures arranged on the surface and within the region. The supportive structures are configured to support a surface of a substrate when the substrate is retained by the ESC. The ESC includes conduits formed in the ceramic body and configured to independently introduce a gas into each region through the ceramic body and to the first surface. Each region is configured to retain a corresponding positive gas pressure within the region and the surface of the substrate, and the one or more embedded electrodes are configured to generate a retaining force on the surface of the substrate.Type: ApplicationFiled: June 6, 2023Publication date: September 12, 2024Inventors: Yogananda Sarode Vishwanath, Anand Kumar
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Publication number: 20240266206Abstract: Apparatuses for substrate transfer are provided. A lift pin assembly can include a lift pin, a purge cylinder, and a lift pin guide. The lift pin guide is disposed adjacent the purge cylinder. The lift pin guide and the purge cylinder have a passage formed therethrough in which the lift pin is disposed. The purge cylinder includes one or more nozzles that direct the flow of gas radially inward into a portion of the passage disposed in the purge cylinder. The one or more nozzles are disposed radially outward from the lift pin. The purge cylinder reduces particle deposition on the substrate by preventing contact between the lift pin and the support assembly as the lift pin is in motion.Type: ApplicationFiled: April 19, 2024Publication date: August 8, 2024Inventors: Yogananda SARODE VISHWANATH, Anand KUMAR
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Publication number: 20240183656Abstract: A diagnostic disc includes a disc body having a sidewall around a circumference of the disc body and at least one protrusion extending outwardly from a top of the sidewall. A non-contact sensor is attached to an underside of each of the at least one protrusion. A printed circuit board (PCB) is positioned within an interior formed by the disc body. Circuitry is disposed on the PCB and coupled to each non-contact sensor, the circuitry including at least a wireless communication circuit, a memory, and a battery. A cover is positioned over the circuitry inside of the sidewall, where the cover seals the circuitry within the interior formed by the disc body from an environment outside of the disc body.Type: ApplicationFiled: January 2, 2024Publication date: June 6, 2024Inventors: Yogananda Sarode Vishwanath, Phillip A. Criminale
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Patent number: 12002703Abstract: Apparatuses for substrate transfer are provided. A lift pin assembly can include a lift pin, a purge cylinder, and a lift pin guide. The lift pin guide is disposed adjacent the purge cylinder. The lift pin guide and the purge cylinder have a passage formed therethrough in which the lift pin is disposed. The purge cylinder includes one or more nozzles that direct the flow of gas radially inward into a portion of the passage disposed in the purge cylinder. The one or more nozzles are disposed radially outward from the lift pin. The purge cylinder reduces particle deposition on the substrate by preventing contact between the lift pin and the support assembly as the lift pin is in motion.Type: GrantFiled: April 9, 2021Date of Patent: June 4, 2024Assignee: Applied Materials, Inc.Inventors: Yogananda Sarode Vishwanath, Anand Kumar
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Publication number: 20240170262Abstract: A processing chamber and a processing platform having the same are provided. In one example, the processing chamber includes a process module enclosing a process region, a flow module, a chassis, and a substrate support assembly. The flow module includes four pairs of radial walls connecting outer walls and inner walls of the flow module. The outer, inner and radial walls define four evacuation channels and a center portion. The center portion and evacuation channels fluidly are isolated from each other. The flow module includes four through holes formed 90 degrees apart through the outer wall that are fluidly coupled to the center portion. The chassis is sealingly coupled to the inner wall of the flow module. The substrate support assembly is disposed in the process region to support a substrate therein, wherein an interior of the substrate support assembly is accessible through the four through holes.Type: ApplicationFiled: January 31, 2024Publication date: May 23, 2024Inventor: Yogananda SARODE
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Patent number: 11913777Abstract: A diagnostic disc includes a disc body having a sidewall around a circumference of the disc body and at least one protrusion extending outwardly from a top of the sidewall. A non-contact sensor is attached to an underside of each of the at least one protrusion. A a printed circuit board (PCB) is positioned within an interior formed by the disc body. Circuitry is disposed on the PCB and coupled to each non-contact sensor, the circuitry including at least a wireless communication circuit, a memory, and a battery. A cover is positioned over the circuitry inside of the sidewall, wherein the cover seals the circuitry within the interior formed by the disc body from an environment outside of the disc body.Type: GrantFiled: June 8, 2020Date of Patent: February 27, 2024Assignee: Applied Materials, Inc.Inventors: Yogananda Sarode Vishwanath, Phillip A. Criminale