Patents Examined by Michael A Band
  • Patent number: 11967493
    Abstract: It is difficult for a Cr—Si-based sintered body composed of chromium silicide (CrSi2) and silicon (Si) to have high strength. Provided is a Cr—Si-based sintered body including Cr (chromium) and silicon (Si), in which the crystal structure attributed by X-ray diffraction is composed of chromium silicide (CrSi2) and silicon (Si), a CrSi2 phase is present at 60 wt % or more in a bulk, a density of the sintered body is 95% or more, and an average grain size of the CrSi2 phase is 60 ?m or less.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 23, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Hiroyuki Hara, Hideto Kuramochi, Kenichi Itoh
  • Patent number: 11961723
    Abstract: Embodiments of a process kit are provided herein. In some embodiments, a process kit includes a deposition ring configured to be disposed on a substrate support, the deposition ring including an annular band configured to rest on a lower ledge of the substrate support, the annular band having an upper surface and a lower surface, the lower surface including a step between a radially inner portion and a radially outer portion; an inner lip extending upwards from the upper surface of the annular band and adjacent an inner surface of the annular band, wherein a depth between an upper surface of the annular band and a horizontal portion of the upper surface of the inner lip is between about 6.0 mm and about 12.0 mm; a channel disposed radially outward of and beneath the annular band; and an outer lip extending upwardly and disposed radially outward of the channel.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 16, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: David Gunther, Cheng-Hsiung Tsai, Kirankumar Neelasandra Savandaiah
  • Patent number: 11952655
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a physical vapor deposition processing chamber comprises a chamber body defining a processing volume, a substrate support disposed within the processing volume and comprising a substrate support surface configured to support a substrate, a power supply configured to energize a target for sputtering material toward the substrate, an electromagnet operably coupled to the chamber body and positioned to form electromagnetic filed lines through a sheath above the substrate during sputtering for directing sputtered material toward the substrate, and a controller operably coupled to the physical vapor deposition processing chamber for controlling the electromagnet based on a recipe comprising a pulsing schedule for pulsing the electromagnet during operation to control directionality of ions relative to a feature on the substrate.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: April 9, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Kevin Kashefi, Xiaodong Wang, Suhas Bangalore Umesh, Zheng Ju, Jiajie Cen
  • Patent number: 11948784
    Abstract: Apparatus and methods for improving film uniformity in a physical vapor deposition (PVD) process are provided herein. In some embodiments, a PVD chamber includes a pedestal disposed within a processing region of the PVD chamber, the pedestal having an upper surface configured to support a substrate thereon, a first motor coupled to the pedestal, a lid assembly comprising a first target, a first magnetron disposed over a portion of the first target, and in a region of the lid assembly that is maintained at atmospheric pressure, a first actuator configured to translate the first magnetron in a first direction, a second actuator configured to translate the first magnetron in a second direction, and a system controller that is configured to cause the first magnetron to translate along at least a portion of a first path by causing the first actuator and second actuator to simultaneously translate the first magnetron.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: April 2, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Harish Penmethsa, Hong S. Yang, Suresh Palanisamy
  • Patent number: 11929242
    Abstract: The present disclosure provides a shielding mechanism and a thin-film-deposition equipment using the same, wherein the shielding mechanism includes two shield members and a driver. The driver includes a motor and a shaft seal. The motor interconnects the two shield members via the shaft seal, and such that to drive the two shield members to sway in opposite directions and to switch between an open state and a shielding state. Furthermore, each of the two shield members is formed with at least one cavity, for reducing weights thereof and loading of the motor and the driver.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: March 12, 2024
    Assignee: SKY TECH INC.
    Inventor: Jing-Cheng Lin
  • Patent number: 11915917
    Abstract: Methods and apparatus for physical vapor deposition are provided herein. In some embodiments, a process kit shield for use in a physical vapor deposition chamber may include an electrically conductive body having one or more sidewalls defining a central opening, wherein the body has a ratio of a surface area of inner facing surfaces of the one or more sidewalls to a height of the one or more sidewalls of about 2 to about 3.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 27, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Alan Ritchie, John C. Forster, Muhammad Rasheed
  • Patent number: 11913109
    Abstract: A magnet assembly is disclosed for steering ions used in the formation of a material layer upon a substrate during a pulsed DC physical vapour deposition process. Apparatus and methods are also disclosed incorporating the assembly for controlling thickness variation in a material layer formed via pulsed DC physical vapour deposition. The magnet assembly comprises a magnetic field generating arrangement for generating a magnetic field proximate the substrate and means for rotating the ion steering magnetic field generating arrangement about an axis of rotation, relative to the substrate. The magnetic field generating arrangement comprises a plurality of magnets configured to an array which extends around the axis of rotation, wherein the array of magnets are configured to generate a varying magnetic field strength along a radial direction relative to the axis of rotation.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: February 27, 2024
    Assignee: SPTS TECHNOLOGIES LIMITED
    Inventors: Tony Wilby, Steve Burgess, Adrian Thomas, Rhonda Hyndman, Scott Haymore, Clive Widdicks, Ian Moncrieff
  • Patent number: 11894221
    Abstract: Provided is a sputtering target, comprising: from 0.001 mol % to 0.5 mol % of Bi; from 45 mol % or less of Cr; 45 mol % or less of Pt; 60 mol % or less of Ru; and a total of 1 mol % to 35 mol % of at least one metal oxide, the balance being Co and inevitable impurities.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 6, 2024
    Assignee: JX Metals Corporation
    Inventors: Yasuyuki Iwabuchi, Manami Masuda, Takashi Kosho
  • Patent number: 11875980
    Abstract: A method is for depositing a dielectric material on to a substrate in a chamber by pulsed DC magnetron sputtering with a pulsed DC magnetron device which produces one or more primary magnetic fields. In the method, a sputtering material is sputtered from a target, wherein the target and the substrate are separated by a gap in the range 2.5 to 10 cm and a secondary magnetic field is produced within the chamber which causes a plasma produced by the pulsed DC magnetron device to expand towards one or more walls of the chamber.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: January 16, 2024
    Inventors: Stephen R Burgess, Rhonda Hyndman, Amit Rastogi, Eduardo Paulo Lima, Clive L Widdicks, Paul Rich, Scott Haymore, Daniel Cook
  • Patent number: 11862444
    Abstract: An electrically conductive, oxidic target material includes a proportion of substoichiometric molybdenum oxide phases of at least 60% by volume, an MoO2 phase in a proportion of 2-20% by volume, and optionally an MoO3 phase in a proportion of 0-20% by volume. The substoichiometric molybdenum oxide phase proportion is formed by one or more substoichiometric MoO3-y phase(s), where y is in each case in a range from 0.05 to 0.25. A process for producing the target material and a process for using the target material are also provided.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 2, 2024
    Assignee: Plansee SE
    Inventors: Enrico Franzke, Harald Koestenbauer, Joerg Winkler, Dominik Lorenz, Thomas Leiter
  • Patent number: 11842889
    Abstract: A device, a method, and a use for coating lenses are proposed, wherein the lenses to be coated are arranged in pairs over parallel, tubular targets. The distance of the targets to each other and/or to the lenses is varied for individual adaption. Further, the lenses are coated from both sides.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 12, 2023
    Assignee: SCHNEIDER GMBH & CO. KG
    Inventors: Gunter Schneider, Markus Fuhr
  • Patent number: 11837450
    Abstract: Provided is a sputtering target or a film which is characterized by containing 0.1 to 10 mol % of an oxide of one or more types selected from FeO, Fe3O4, K2O, Na2O, PbO, and ZnO, 5 to 70 mol % of Pt, and the remainder being Fe. The present invention addresses the issue of providing a sputtering target capable of considerably reducing the particles caused by nonmagnetic materials and significantly improving the yield during deposition. It is thereby possible to deposit a quality magnetic recording layer and improve yield of a magnetic recording medium.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: December 5, 2023
    Assignee: JX Metals Corporation
    Inventor: Takashi Kosho
  • Patent number: 11823880
    Abstract: A target structure includes a target, a cooling jacket having a flow path through which a heat exchange medium flows, and a backing plate. The target is bonded to one surface of the cooling jacket. A remaining surface of the cooling jacket and the backing plate are bonded in a peripheral portion, and are not bonded in a non-bonding region inside the peripheral portion.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: November 21, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventor: Einstein Noel Abarra
  • Patent number: 11821069
    Abstract: A method of making a decorative article (1) such as a jewellery piece, the article comprising a body (2) having a decorative layer (5) and an element (3) set into the body. The method comprises: providing an element that is at least partially coated with a removable layer (4), setting the element into the body, coating the element and the body with the decorative layer, and removing the removable layer and the decorative layer from the element.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: November 21, 2023
    Assignee: D. Swarovski KG
    Inventors: Alexander Rief, Thomas Rauch, Jan Woerdenweber
  • Patent number: 11823859
    Abstract: A method of sputtering a layer on a substrate using a high-energy density plasma (HEDP) magnetron includes positioning the magnetron in a vacuum with an anode, cathode target, magnet assembly, substrate, and feed gas; applying unipolar negative direct current (DC) voltage pulses from a pulse power supply with a pulse forming network (PFN) to a pulse converting network (PCN); and adjusting an amplitude and frequency associated with the plurality of unipolar negative DC voltage pulses causing a resonance mode associated with the PCN. The PCN converts the unipolar negative DC voltage pulses to an asymmetric alternating current (AC) signal that generates a high-density plasma discharge on the HEDP magnetron.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: November 21, 2023
    Assignee: IonQuest Corp.
    Inventor: Bassam Hanna Abraham
  • Patent number: 11810770
    Abstract: Methods and apparatus for processing substrates are disclosed. In some embodiments, a process chamber for processing a substrate includes: a body having an interior volume and a target to be sputtered, the interior volume including a central portion and a peripheral portion; a substrate support disposed in the interior volume opposite the target and having a support surface configured to support the substrate; a collimator disposed in the interior volume between the target and the substrate support; a first magnet disposed about the body proximate the collimator; a second magnet disposed about the body above the support surface and entirely below the collimator and spaced vertically below the first magnet; and a third magnet disposed about the body and spaced vertically between the first magnet and the second magnet. The first, second, and third magnets are configured to generate respective magnetic fields to redistribute ions over the substrate.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: November 7, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Xiaodong Wang, Joung Joo Lee, Fuhong Zhang, Martin Lee Riker, Keith A. Miller, William Fruchterman, Rongjun Wang, Adolph Miller Allen, Shouyin Zhang, Xianmin Tang
  • Patent number: 11784033
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a method for processing a substrate comprises applying a DC target voltage to a target disposed within a processing volume of a plasma processing chamber, rotating a magnet disposed above the target at a default speed to direct sputter material from the target toward a substrate support disposed within the processing volume, measuring in-situ DC voltage in the processing volume, the in-situ DC voltage different from the DC target voltage, determining if a measured in-situ DC voltage is greater than a preset value, if the measured in-situ DC voltage is less than or equal to the preset value, maintaining the magnet at the default speed, and if the measured in-situ DC voltage is greater than the preset value, rotating the magnet at a speed less than the default speed to decrease the in-situ DC voltage.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: October 10, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Mengxue Wu, Siew Kit Hoi, Jay Min Soh, Yue Cui, Chul Nyoung Lee, Palaniappan Chidambaram, Jiao Song
  • Patent number: 11781211
    Abstract: In a method for coating on a surface of a medical PEEK material with titanium to have a microporous structure, titanium is coated on a surface of polyether ether ketone (PEEK) via magnetron sputtering. The surface of the titanium coated on the surface of PEEK is polished via an electromagnetic polishing apparatus. A thin-film with titanium dioxide (TiO2) having a microporous structure is formed on the polished surface of the titanium via an anodic oxidation treatment.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: October 10, 2023
    Assignee: OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Tae Gon Jung, Yong Hoon Jeong, Su Won Lee, Kwang Min Park, Jae Woong Yang, Jae Young Jung, Kwan Su Kang
  • Patent number: 11761077
    Abstract: Systems and methods for forming probes for a biosensor. In the systems and methods disclosed herein, a base substrate is provided; and a platinum layer is formed on the base substrate by sputtering platinum in the absence of oxygen. The platinum layer is formed using a sputtering pressure of at least 30 mtorr.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 19, 2023
    Assignee: MEDTRONIC MINIMED, INC.
    Inventors: Kelly Lu, Lea Ann Nygren
  • Patent number: 11718908
    Abstract: A method of depositing a film on a substrate is provided. The method includes positioning the substrate on a substrate support in a chamber and depositing the film on the substrate using a DC magnetron sputtering process in which an electrical bias signal causes ions to bombard the substrate. The substrate support includes a central region surrounded by an edge region, the central region being raised with respect to the edge region, and the substrate is positioned on the central region so that a portion of the substrate overlays the edge region and is spaced apart therefrom.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: August 8, 2023
    Assignee: SPTS TECHNOLOGIES LIMITED
    Inventors: Scott Haymore, Amit Rastogi, Rhonda Hyndman, Steve Burgess, Ian Moncrieff