Patents by Inventor JUNQI WEI

JUNQI WEI 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: 20210066051
    Abstract: 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 an annular ring configured to surround a substrate support; and an annular lip extending from an upper surface of the annular ring, wherein the annular ring includes a plurality of ring slots extending through the annular ring and disposed at regular intervals along the annular ring, and wherein the annular lip includes a plurality of lip slots extending through the annular lip disposed at regular intervals along the annular lip.
    Type: Application
    Filed: October 25, 2019
    Publication date: March 4, 2021
    Inventors: Sarath Babu, Ananthkrishna Jupudi, Yueh Sheng Ow, Junqi Wei, Kelvin Boh, Yuichi Wada, Kang Zhang
  • Publication number: 20200258723
    Abstract: Methods and apparatus for physical vapor deposition are provided. The apparatus, for example, includes A PVD apparatus that includes a chamber including a chamber wall; a magnetron including a plurality of magnets configured to produce a magnetic field within the chamber; a pedestal configured to support a substrate; and a target assembly comprising a target made of gold and supported on the chamber wall via a backing plate coupled to a back surface of the target so that a front surface of the target faces the substrate, wherein a distance between a back surface formed in a recess of the backing plate and a bottom surface of the plurality of magnets is about 3.95 mm to about 4.45 mm, and wherein a distance between the front surface of the target and a front surface of the substrate is about 60.25 mm to about 60.75 mm.
    Type: Application
    Filed: February 8, 2019
    Publication date: August 13, 2020
    Inventors: KIRANKUMAR NEELASANDRA SAVANDAIAH, JUNQI WEI, YUEH SHENG OW, WEN LONG FAVIER SHOO
  • Publication number: 20190341264
    Abstract: Methods, apparatuses, and systems for substrate processing for lowering contact resistance in at least contact pads of a semiconductor device are provided herein. In some embodiments, a method of substrate processing for lowering contact resistance of contact pads includes: circulating a cooling fluid in at least one channel of a pedestal; and exposing a backside of the substrate located on the pedestal to a cooling gas to cool a substrate located on the pedestal to a temperature of less than 70 degrees Celsius. In some embodiments in accordance with the present principles, the method can further include distributing a hydrogen gas or hydrogen gas combination over the substrate.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 7, 2019
    Inventors: YUEH SHENG OW, JUNQI WEI, WEN LONG FAVIER SHOO, ANANTHKRISHNA JUPUDI, TAKASHI SHIMIZU, KELVIN BOH, TUCK FOONG KOH
  • Patent number: 10115573
    Abstract: Apparatus for extending process kit components lifetimes are disclosed. In some embodiments, a process kit includes: a first ring having an inner wall defining an inner diameter, an outer wall defining an outer diameter, an upper surface between the inner wall and the outer wall, and an opposing lower surface between the inner wall and the outer wall, wherein a first portion of the upper surface proximate the inner wall is concave, and wherein a second portion of the upper surface extends horizontally away from the first portion; and a second ring having an upper surface and an opposing lower surface, wherein a first portion of the lower surface is configured to rest upon the second portion of the first ring, wherein a second portion of the lower surface is convex and extends into but does not touch the concave first portion of the upper surface of the first ring.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: October 30, 2018
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Junqi Wei, Kirankumar Savandaiah, Ananthkrishna Jupudi, Zhitao Cao, Yueh Sheng Ow
  • Patent number: 9960023
    Abstract: Embodiments of the present disclosure include methods and apparatus for controlling titanium-tungsten (TiW) target nodule formation. In some embodiments, a target includes: a source material comprising predominantly titanium (Ti) and tungsten (W), formed from a mixture of titanium powder and tungsten powder, wherein a grain size of a predominant quantity of the titanium powder is less than or equal to a grain size of a predominant quantity of the tungsten powder.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: May 1, 2018
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Junqi Wei, Zhitao Cao, Yueh Sheng Ow, Ananthkrishna Jupudi, Kirankumar Savandaiah, Xin Wang, Sriskantharajah Thirunavukarasu
  • Publication number: 20160189941
    Abstract: Embodiments of the present disclosure include methods and apparatus for controlling titanium-tungsten (TiW) target nodule formation. In some embodiments, a target includes: a source material comprising predominantly titanium (Ti) and tungsten (W), formed from a mixture of titanium powder and tungsten powder, wherein a grain size of a predominant quantity of the titanium powder is less than or equal to a grain size of a predominant quantity of the tungsten powder.
    Type: Application
    Filed: December 31, 2014
    Publication date: June 30, 2016
    Inventors: Junqi Wei, Zhitao Cao, Yueh Sheng Ow, Ananthkrishna Jupudi, Kirankumar Savandaiah, Xin Wang, Sriskantharajah Thirunavukarasu
  • Publication number: 20160104603
    Abstract: Apparatus for extending process kit components lifetimes are disclosed. In some embodiments, a process kit includes: a first ring having an inner wall defining an inner diameter, an outer wall defining an outer diameter, an upper surface between the inner wall and the outer wall, and an opposing lower surface between the inner wall and the outer wall, wherein a first portion of the upper surface proximate the inner wall is concave, and wherein a second portion of the upper surface extends horizontally away from the first portion; and a second ring having an upper surface and an opposing lower surface, wherein a first portion of the lower surface is configured to rest upon the second portion of the first ring, wherein a second portion of the lower surface is convex and extends into but does not touch the concave first portion of the upper surface of the first ring.
    Type: Application
    Filed: September 24, 2015
    Publication date: April 14, 2016
    Inventors: JUNQI WEI, KIRANKUMAR SAVANDAIAH, ANANTHKRISHNA JUPUDI, ZHITAO CAO, YUEH SHENG OW