Patents by Inventor Thomas Kwon

Thomas Kwon 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: 11384428
    Abstract: Embodiments of the present disclosure generally relate to a method for forming an opening using a mask. In one embodiment, a method includes forming a mask on a feature layer. The method includes forming a first opening in the mask to expose a portion of the feature layer. The method further includes forming a carbon layer on the mask and the exposed portion of the feature layer. The method also includes removing portions of the carbon layer and a portion of the exposed portion of the feature layer in order to form a second opening in the feature layer.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: July 12, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Mang-Mang Ling, Thomas Kwon, Jong Mun Kim, Chentsau Chris Ying
  • Publication number: 20220005831
    Abstract: Embodiments of the present disclosure provide an apparatus and methods for forming stair-like structures with accurate profiles and dimension control for manufacturing three dimensional (3D) stacked memory cell semiconductor devices. In one embodiment, a memory cell device includes a film stack comprising alternating pairs of dielectric layers and conductive structures horizontally formed on a substrate, an opening formed in the film stack, wherein the opening is filled with a channel layer and a center filling layer, and a protective liner layer disposed between the conductive structure and the channel layer.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Inventors: Jaesoo AHN, Thomas KWON, Mahendra PAKALA
  • Publication number: 20220005815
    Abstract: Methods of forming 3D NAND devices are discussed. Some embodiments form 3D NAND devices with a control gate and a floating gate disposed between a first insulating layer and a second insulating layer. A conformal blocking liner surrounds the floating gate and electrically isolates the control gate from the floating gate. Some embodiments form 3D NAND devices with decreased vertical and/or later pitch between cells.
    Type: Application
    Filed: September 16, 2021
    Publication date: January 6, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Thomas Kwon, Xinhai Han
  • Patent number: 11164882
    Abstract: Methods of forming 3D NAND devices are discussed. Some embodiments form 3D NAND devices with a control gate and a floating gate disposed between a first insulating layer and a second insulating layer. A conformal blocking liner surrounds the floating gate and electrically isolates the control gate from the floating gate. Some embodiments form 3D NAND devices with decreased vertical and/or later pitch between cells.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: November 2, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Thomas Kwon, Xinhai Han
  • Patent number: 11127760
    Abstract: Embodiments of the present disclosure provide an apparatus and methods for forming stair-like structures with accurate profiles and dimension control for manufacturing three dimensional (3D) stacked memory cell semiconductor devices. In one embodiment, a memory cell device includes a film stack comprising alternating pairs of dielectric layers and conductive structures horizontally formed on a substrate, an opening formed in the film stack, wherein the opening is filled with a channel layer and a center filling layer, and a protective liner layer disposed between the conductive structure and the channel layer.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: September 21, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Jaesoo Ahn, Thomas Kwon, Mahendra Pakala
  • Publication number: 20210017641
    Abstract: Embodiments of the present disclosure generally relate to a method for forming an opening using a mask. In one embodiment, a method includes forming a mask on a feature layer. The method includes forming a first opening in the mask to expose a portion of the feature layer. The method further includes forming a carbon layer on the mask and the exposed portion of the feature layer. The method also includes removing portions of the carbon layer and a portion of the exposed portion of the feature layer in order to form a second opening in the feature layer.
    Type: Application
    Filed: June 17, 2020
    Publication date: January 21, 2021
    Inventors: Mang-Mang LING, Thomas KWON, Jong Mun KIM, Chentsau Chris YING
  • Patent number: 10879177
    Abstract: The present disclosure provides a film stack structure formed on a substrate and methods for forming the film stack structure on the substrate. In one embodiment, the method for forming a film stack structure on a substrate includes depositing a first adhesion layer on an oxide layer formed on the substrate and depositing a metal layer on the first adhesion layer, wherein the first adhesion layer and the metal layer form a stress neutral structure.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: December 29, 2020
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Minrui Yu, Kai Ma, Thomas Kwon, Kaushal K. Singh, Er-Xuan Ping
  • Publication number: 20200266202
    Abstract: Methods of forming 3D NAND devices are discussed. Some embodiments form 3D NAND devices with a control gate and a floating gate disposed between a first insulating layer and a second insulating layer. A conformal blocking liner surrounds the floating gate and electrically isolates the control gate from the floating gate. Some embodiments form 3D NAND devices with decreased vertical and/or later pitch between cells.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 20, 2020
    Applicant: Applied Materials, Inc.
    Inventors: Thomas Kwon, Xinhai Han
  • Publication number: 20200251495
    Abstract: Embodiments of the present disclosure provide an apparatus and methods for forming stair-like structures with accurate profiles and dimension control for manufacturing three dimensional (3D) stacked memory cell semiconductor devices. In one embodiment, a memory cell device includes a film stack comprising alternating pairs of dielectric layers and conductive structures horizontally formed on a substrate, an opening formed in the film stack, wherein the opening is filled with a channel layer and a center filling layer, and a protective liner layer disposed between the conductive structure and the channel layer.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 6, 2020
    Inventors: Jaesoo AHN, Thomas KWON, Mahendra PAKALA
  • Publication number: 20200203374
    Abstract: Methods of forming 3D NAND devices are discussed. Some embodiments form 3D NAND devices with increased cell density. Some embodiments form 3D NAND devices with decreased vertical and/or later pitch between cells. Some embodiments form 3D NAND devices with smaller CD memory holes. Some embodiments form 3D NAND devices with silicon layer between alternating oxide and nitride materials.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Applicant: Applied Materials, Inc.
    Inventors: Thomas Kwon, Xinhai Han
  • Publication number: 20160372330
    Abstract: The present disclosure provides a film stack structure formed on a substrate and methods for forming the film stack structure on the substrate. In one embodiment, the method for forming a film stack structure on a substrate includes depositing a first adhesion layer on an oxide layer formed on the substrate and depositing a metal layer on the first adhesion layer, wherein the first adhesion layer and the metal layer form a stress neutral structure.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 22, 2016
    Inventors: Minrui YU, Kai MA, Thomas KWON, Kaushal K. SINGH, Er-Xuan PING
  • Publication number: 20070058759
    Abstract: A receiver includes a filter stage that receives, filters, and equalizes a received signal, and a decisional feedback loop coupled to the filter stage that receives and processes a signal output from the filter stage using remodulation. The decisional feedback loop includes a converter that generates a baseband signal, a detector that generates a decision signal, a restorative signal generator that generates a restorative signal using remodulation, and a carrier loop that generates a frequency correction signal and provides a frequency-offset estimate. The restorative signal and the frequency correction signal are provided to the converter to compensate for inter-symbol interference. The presented “remodulation” technique decouples interaction between the carrier loop, the pre-filters, and the equalizer of the restorative signal generator, providing an architecture that is more stable and significantly faster than conventional architectures.
    Type: Application
    Filed: November 15, 2006
    Publication date: March 15, 2007
    Applicant: Broadcom Corporation
    Inventors: Thomas Kwon, Jonathan Min, Fang Lu, Thomas Kolze
  • Publication number: 20060060907
    Abstract: A conductive contact plug extends through an opening in the dielectric layer to contact the substrate and includes a widened pad portion extending onto the dielectric layer adjacent the opening. An ohmic pattern is disposed on the pad portion of the plug, and a barrier pattern is disposed on the ohmic pattern. A concave first capacitor electrode is disposed on the barrier pattern and defines a cavity opening away from the substrate. A capacitor dielectric layer conforms to a surface of the first capacitor electrode and a second capacitor electrode is disposed on the capacitor dielectric layer opposite the first capacitor electrode. Sidewalls of the ohmic pattern, the barrier pattern and the pad portion of the contact plug may be substantially coplanar, and the device may further include an etch stopper layer conforming to at least sidewalls of the ohmic pattern, the barrier pattern and the pad portion of the contact plug. Related fabrication methods are described.
    Type: Application
    Filed: November 14, 2005
    Publication date: March 23, 2006
    Inventors: Ki-Chul Kim, Young-Sun Kim, Gab-Jin Nam, Sung-Tae Kim, Thomas Kwon, Han-Mei Choi, Jae-Soon Lim
  • Publication number: 20050031495
    Abstract: Liquid chemical delivery systems are provided which include a liquid chemical storage canister, a pressurized gas source that feeds a pressurized gas into the storage canister, a vaporizer that may be used to vaporize the liquid chemical supplied from the storage canister, a delivery line that connects the storage canister to the vaporizer, a liquid mass flow controller that controls the flow rate of the liquid chemical through the delivery line, a reaction chamber that is connected to the vaporizer, and a liquid chemical recycling element that collects at least some of the chemical flowing through the system during periods when the liquid chemical delivery system is isolated from the reaction chamber.
    Type: Application
    Filed: May 12, 2004
    Publication date: February 10, 2005
    Inventors: Han-Mei Choi, Thomas Kwon, Jae-Soon Lim, Ki-Chul Kim, Sung-Tae Kim, Young-Sun Kim