Patents by Inventor Yao-Hung Yang

Yao-Hung Yang 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: 12209663
    Abstract: A sealing member includes a monolithic body including a first portion adjoining a second portion. The first portion forms part of a circle. The second portion includes first and second lobes. Each lobe adjoins the first portion with a concave surface. In one example, each lobe includes a rounded tip, and a convex surface extends from one rounded tip to the other rounded tip.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: January 28, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Yao-Hung Yang, Chih-Yang Chang, Sam Hyungsam Kim
  • Publication number: 20240412020
    Abstract: Methods and apparatus for scanning a code on or in a transparent part, the method comprising: illuminating the code to generate a projected image of the code on a projection surface spaced from the transparent part; and machine scanning the projected image.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 12, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG
  • Publication number: 20240410773
    Abstract: Methods and apparatus provide in-situ pressure sensors for apparatus used in semiconductor manufacturing processes. In some embodiments, the apparatus may comprise a showerhead body, a first gas channel of the showerhead body, a second gas channel of the showerhead body, one or more first gas pressure sensors positioned on a surface of the first gas channel, and one or more second gas pressure sensors positioned on a surface of the second gas channel. The apparatus may be formed by additive manufacturing including the pressure sensors and electrical connections to the pressure sensors. In some embodiments, a controller may be utilized to control semiconductor processes based on the pressure readings from the in-situ pressure sensors.
    Type: Application
    Filed: June 9, 2023
    Publication date: December 12, 2024
    Inventors: Chih-Yang CHANG, Shantanu Rajiv GADGIL, Chien-Min LIAO, Shannon WANG, Yao-Hung YANG, Tom K. CHO
  • Publication number: 20240399504
    Abstract: Methods for texturing a surface of a component which include partially submerging the component within a liquid such that a first portion of the component is not submerged in the liquid and a second portion of the component is submerged in the liquid; and contacting at least the first portion of the component with a laser beam at a power and for a period of time sufficient to texture the first portion of the component to a first surface roughness, wherein the second portion of the component is either not textured by the laser beam, or is textured to a lesser degree than the first portion of the component and has a second surface roughness which is less than the first surface roughness.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 5, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG, Jianqi WANG
  • Publication number: 20240404848
    Abstract: Methods and apparatus for commissioning a semiconductor processing tool include connecting a mobile facilities cart to a semiconductor processing tool; supplying facilities from the mobile facilities cart to the semiconductor processing tool; and operating the semiconductor processing tool using facilities supplied by the connected mobile facilities cart.
    Type: Application
    Filed: August 30, 2023
    Publication date: December 5, 2024
    Inventors: Sam KIM, Kon Tae PARK, Yao-Hung YANG, Michael John PERRY, Michael LEVKOVITCH, Ram Chandra PALSANIYA, Nitin KHURANA, Derek MCQUARRIE
  • Patent number: 12148607
    Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: November 19, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Yao-Hung Yang, Shantanu Rajiv Gadgil, Kaushik Rao, Vincent Joseph Kirchhoff, Sagir Kadiwala, Munirah Mahyudin, Daniel Chou
  • Publication number: 20240353010
    Abstract: Embodiments of methods of fabricating and refurbishing a component having a seal are provided. A method of fabricating a component having a seal includes: depositing a first layer directly onto a sealing surface of a body, wherein the first layer includes a 3D surface pattern; and depositing a second layer onto the first layer, wherein the second layer includes a seal material. A method of refurbishing a component having a seal includes: providing a component including a body and a seal attached to the body; removing at least a portion the seal from a sealing surface of the body to form an exposed portion of the sealing surface; depositing a first layer directly onto the exposed portion of the sealing surface, wherein the first layer includes a 3D surface pattern; and depositing a second layer onto the first layer, wherein the a second layer includes seal material.
    Type: Application
    Filed: April 24, 2023
    Publication date: October 24, 2024
    Inventors: Chih-Yang CHANG, Kaushik RAO, Yao-Hung YANG, Tom K. CHO, Siamak SALIMIAN
  • Publication number: 20240307908
    Abstract: Embodiments of showerheads for use in a process chamber and methods of reducing drooping of a showerhead faceplate are provided herein. In some embodiments, a method of reducing drooping of a faceplate for use in a process chamber includes: applying a compressive force to the faceplate via one or more cables that engage with the faceplate proximate an outer periphery thereof.
    Type: Application
    Filed: May 22, 2024
    Publication date: September 19, 2024
    Inventors: Yao-Hung YANG, Shantanu Rajiv GADGIL, Tanmay Pramod GURJAR, Sudhir R. GONDHALEKAR
  • Publication number: 20240306262
    Abstract: Embodiments of lamp housings for a process chamber are provided herein. In some embodiments, a lamp housing for a process chamber includes: a first plate having a plurality of first openings; a copper plate having a plurality of second openings; a plurality of tubes brazed via a braze alloy to the first plate at first ends of the plurality of tubes and brazed to the copper plate via the braze alloy at second ends of the plurality of tubes, wherein the plurality of tubes have central openings that are aligned with the plurality of first openings and the plurality of second openings, and wherein the braze alloy comprises a nickel containing alloy or a copper containing alloy, wherein the copper containing alloy does not include gold; and an annular jacket circumscribing the plurality of tubes and brazed to the first plate via the braze alloy.
    Type: Application
    Filed: July 17, 2023
    Publication date: September 12, 2024
    Inventors: Yao-Hung YANG, Shantanu Rajiv GADGIL, Kaushik RAO, Ngoc LE, Jeffrey Donald OLSON
  • Publication number: 20240271702
    Abstract: A method for forming an elastomer gasket in-situ on a part used for substrate processing that is tunable to a cross-section and/or length of a sealing surface such as a gasket groove or planar sealing surface. The method may include forming, in-situ, a first layer of at least one type of gasket material directly onto a bottom of the sealing surface of the part, forming subsequent layers of the at least one type of gasket material on at least one previously formed layer, and adjusting a number of subsequent layers of the at least one type of gasket material based on dimensions of the sealing surface.
    Type: Application
    Filed: February 10, 2023
    Publication date: August 15, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG
  • Patent number: 12011731
    Abstract: Embodiments of showerheads for use in a process chamber and methods of reducing drooping of a showerhead faceplate are provided herein. In some embodiments, a showerhead for use in a process chamber includes: a faceplate having a plurality of gas distribution holes disposed therethrough; and one or more cables that engage with the faceplate and configured to prestress the faceplate.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: June 18, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Yao-Hung Yang, Shantanu Rajiv Gadgil, Tanmay Pramod Gurjar, Sudhir R. Gondhalekar
  • Publication number: 20240186123
    Abstract: Embodiments of substrate supports for process chambers are provided herein. In some embodiments, a substrate support for a process chamber includes: a pedestal having a support surface for supporting a substrate, one or more heating elements disposed therein, and a radio frequency (RF) electrode disposed therein; a hollow shaft coupled to a lower surface of the pedestal; and an RF rod extending through the hollow shaft and coupled to the RF electrode, wherein an impedance of the RF rod is less than about 0.2 ohms.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 6, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Yikai CHEN, Rongping WANG
  • Publication number: 20240162030
    Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 16, 2024
    Inventors: Yao-Hung YANG, Shantanu Rajiv GADGIL, Kaushik RAO, Vincent Joseph KIRCHHOFF, Sagir KADIWALA, Munirah MAHYUDIN, Daniel CHOU
  • Publication number: 20240162065
    Abstract: A method of determining an operational status of a semiconductor manufacturing assembly uses internal vibrations of an in-situ assembly to detect defects. The method may include initiating a first test vibration in an internal structure of the semiconductor manufacturing assembly while the semiconductor manufacturing assembly is in-situ in a semiconductor processing chamber, receiving a first vibration signal caused by the first test vibration, transforming the first vibration signal into a first frequency domain representation of the first vibration signal, determining the operational status of the semiconductor manufacturing assembly based on the first frequency domain representation, and performing a corrective action for the semiconductor manufacturing assembly in response to the operational status.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 16, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Shannon WANG
  • Publication number: 20240124980
    Abstract: A bimetallic faceplate for substrate processing is provided including a plate having a plurality of gas distribution holes and formed of a first metal having a first coefficient of thermal expansion, the plate having at least one groove around a center of the plate and spaced from the center of the plate; and a metallic element disposed in the at least one groove and fixed to the plate in the at least one groove, the metallic element having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the metallic element being symmetrically arranged on or in the plate. A chamber for substrate processing is provided that includes a bimetallic faceplate. Also, a method of making a bimetallic faceplate is provided.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 18, 2024
    Inventors: Gaurav SHRIVASTAVA, Pavankumar Ramanand HARAPANHALLI, Sudhir R. GONDHALEKAR, Yao-Hung YANG, Chih-Yang CHANG
  • Publication number: 20240026975
    Abstract: A sealing member includes a monolithic body including a first portion adjoining a second portion. The first portion forms part of a circle. The second portion includes first and second lobes. Each lobe adjoins the first portion with a concave surface. In one example, each lobe includes a rounded tip, and a convex surface extends from one rounded tip to the other rounded tip.
    Type: Application
    Filed: June 28, 2023
    Publication date: January 25, 2024
    Inventors: Yao-Hung YANG, Chih-Yang CHANG, Sam Hyungsam KIM
  • Patent number: 11881392
    Abstract: A lamp and epitaxial processing apparatus are described herein. In one example, the lamp includes a bulb, a filament, and a plurality of filament supports disposed in spaced-apart relation to the filament, each of the filament supports having a hook support and a hook. The hook includes a connector configured to fasten the hook to the hook support, a first vertical portion extending from the connector toward the filament, and a rounded portion extending from an end of the first vertical portion distal from the connector and configured to wrap around the filament. A second vertical portion extends from an end of the rounded portion distal from the first vertical portion and the second vertical portion has a length between 60% and 100% of the length of the first vertical portion.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: January 23, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Yao-Hung Yang, Shantanu Rajiv Gadgil, Kaushik Rao, Vincent Joseph Kirchhoff, Sagir Kadiwala, Munirah Mahyudin, Daniel Chou
  • Patent number: 11856706
    Abstract: The present disclosure is directed to a system and method to identify and track parts of a semiconductor processing chamber, as well as the status of the parts, and store status information in a centralized location as status changes over time.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: December 26, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Hsui Yang, Yao-Hung Yang, Jeevan Shanbhag, Chien-Min Liao, Earl Hunter, David Ganon, Mariana Luigi, Siamak Salimian, Tom K. Cho, Chun-Chung Chen
  • Publication number: 20230402304
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a processing volume for processing a substrate and a pressure system in fluid communication with the processing volume and comprising a throttle valve assembly including a housing, a sensing device disposed in an interior of the housing, and a fan open to the interior of the housing, wherein, during operation of the pressure system to control a pressure within the processing volume, the sensing device is responsive to temperature changes in the interior of the housing such that the fan remains off when a temperature of the interior of the housing is less than a predetermined temperature and automatically turns on when the temperature within interior of the housing is equal to or greater than the predetermined temperature.
    Type: Application
    Filed: May 19, 2022
    Publication date: December 14, 2023
    Inventors: Gaurav SHRIVASTAVA, Pavankumar Ramanand HARAPANHALLI, Yao-Hung YANG, Sudhir R. GONDHALEKAR, Chih-Yang CHANG
  • Patent number: D1027120
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: May 14, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Yao-Hung Yang, Eric Ruhland, Saurabh M. Chaudhari, Dien-Yeh Wu, Philip Wayne Nagle, Aniruddha Pal, Sudhir R. Gondhalekar, Siamak Salimian, Scott Lin, Boon Sen Chan