Patents Examined by Duy-Vu N. Deo
  • Patent number: 11806765
    Abstract: A sucker rod cleaning system includes an inductive heating device, a feed mechanism, a first support and a second support. An electromagnet of inductive heating device includes a wire coil head that is configured to inductively heat a sucker rod positioned within a heating zone. The feed mechanism is configured to feed a sucker rod through the heating zone in a feed direction. The first support is positioned on an upstream side of the wire coil head, and is configured to support a portion of a sucker rod as it is fed through the heating zone by the teed mechanism. The second support is positioned on a downstream side of the wire coil head, and is configured to support a portion of a sucker rod as it is fed through the heating zone by the feed mechanism.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: November 7, 2023
    Assignee: Baranko Environmental LLC
    Inventor: Darren K. Fike
  • Patent number: 11810796
    Abstract: The present invention relates to a method for treating the surface of a wafer with multiple liquids, comprising rotating the surface of the wafer and discharging different liquid streams onto the rotating surface in a sequence from separate outlets, wherein the discharge of liquid streams which are contiguous in the sequence overlaps during a transition phase, and wherein during the transition phase the liquid streams merge after exiting said outlets to form a merged liquid stream before impacting the rotating surface. The invention also provides a liquid dispensing device incorporating a housing holding two or more liquid delivery tubes, wherein the tubes' outlets are inwardly angled towards one another, such that in use liquid streams delivered from the outlets of the two or more liquid delivery tubes merge to form a merged liquid stream.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 7, 2023
    Assignee: LAM RESEARCH AG
    Inventors: Christoph Semmelrock, Ulrich Tschinderle, Reinhard Sellmer, Walter Esterl
  • Patent number: 11802240
    Abstract: A silicon etching solution including a component which is a quaternary ammonium hydroxide represented by Formula (A-1), and a component which is a nonionic surfactant, in which an HLB value of the quaternary ammonium hydroxide is in a range of 12 to 15; in Formula (A-1), R1 to R4 each independently represent a monovalent hydrocarbon group, and the total number of carbon atoms contained in R1 to R4 is 10 or greater
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: October 31, 2023
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Ming-Yen Chung, Masaru Takahama
  • Patent number: 11804378
    Abstract: A method for fabricating a planarized planarization layer for an integrated circuit device is described. A barrier layer is deposited over a planarization layer. Next, a liner layer is deposited on the barrier layer. An overburden layer is deposited on the liner layer. A first chemical mechanical polishing (CMP) process is performed on the overburden layer. A surface conversion process is performed on uncovered portions of a top surface of the planarization layer which are not protected by the polished overburden layer. A first wet etch is performed of the planarization layer. In embodiments, the first wet etch is selective to metal overburden layer as compared to the planarization layer. A second wet etch is performed removing the liner layer, the diffusion barrier layer and the metal overburden layer. In embodiments, the second wet etch is selective to the planarization layer as compared to the overburden layer.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: October 31, 2023
    Assignee: International Business Machines Corporation
    Inventors: Raghuveer R Patlolla, Donald F Canaperi, Cornelius Brown Peethala, Chih-Chao Yang, Mary Breton
  • Patent number: 11798793
    Abstract: A substrate processing method includes: (a) disposing a substrate on a substrate support provided in a chamber of a substrate processing apparatus; (b) supplying a processing gas including hydrogen fluoride gas into the chamber; (c) controlling a temperature of the substrate support to a first temperature, and a pressure of the hydrogen fluoride gas in the chamber to a first pressure; and (d) controlling the temperature of the substrate support to a second temperature, and the pressure of the hydrogen fluoride gas in the chamber to a second pressure. In a graph with a horizontal axis indicating a temperature and a vertical axis indicating a pressure, the first temperature and the first pressure are positioned in a first region above an adsorption equilibrium pressure curve of hydrogen fluoride, and the second temperature and the second pressure are positioned in a second region below the adsorption equilibrium pressure curve.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: October 24, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Satoshi Ohuchida, Koki Mukaiyama, Yusuke Wako, Maju Tomura, Yoshihide Kihara
  • Patent number: 11786947
    Abstract: A cleaning apparatus, method, and dry chamber are provided for cleaning a wafer carrier that holds wafers as part of a semiconductor fabrication process. The cleaning apparatus includes a wet chamber that receives the wafer carrier to be washed and a reservoir in fluid communication with the wet chamber. The reservoir stores a cleaning liquid that is introduced to the wafer carrier within the wet chamber during a washing operation, and a dry chamber is spaced apart from the wet chamber. The dry chamber receives the wafer carrier after the wafer carrier is washed in the wet chamber and holds the wafer carrier during a drying operation. A transport system transports the wafer carrier between the wet chamber and the dry chamber during a cleaning process.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: October 17, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Eason Chen, Yi-Fam Shiu, Sung-Chun Yang, Hsu-Shui Liu, Yang-Ann Chu, Jiun-Rong Pai
  • Patent number: 11786946
    Abstract: There is provided a method of cleaning a film forming apparatus conducted after a film forming process by supplying a source gas and a reaction gas to produce a reaction product into a processing container to form a film of the reaction product on a substrate. The method includes: controlling, in the film forming process, a first film deposited in the processing container and a second film deposited in a source gas supply part to become different kinds of films; performing, after the film forming process, a cleaning process by supplying a cleaning gas having an etching selection ratio of the second film to the first film being greater than 1 so as to etch and remove the second film; and performing, after the cleaning process, a surface control process of making a surface state of the first film close to a state before the cleaning process was performed.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: October 17, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Sung Duk Son, Shingo Hishiya, Akinobu Kakimoto
  • Patent number: 11784038
    Abstract: The present disclosure relates to the technical field of silicon carbide processing, and discloses a method and device for preferential etching of dislocation of a silicon carbide wafer. According to the method and device of the present disclosure, a concentration of the etchant is effectively reduced while the high-temperature etching activity is guaranteed, the dislocations on the carbon surface and the silicon surface of the silicon carbide wafer are exposed, and dislocation etching pits with high distinguishing degree are obtained on the carbon surface and the silicon surface of the silicon carbide wafer and thus identified clearly.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: October 10, 2023
    Assignee: ZJU-Hangzhou Global Scientific and Technological Innovation Center
    Inventors: Jiajun Li, Rong Wang, Xiaodong Pi, Deren Yang
  • Patent number: 11781227
    Abstract: The present invention discloses a method and a composition for removing metal sulfide scale present on the surface of a metal, said method comprising: providing a liquid composition comprising: a chelating agent and a counterion component selected from the group consisting of: sodium gluconate; gluconic acid; tetrasodium EDTA; EDTA; propylenediaminetetraacetic acid (PDTA); nitrilotriacetic acid (NTA); N-(2-hydroxyethyl) ethylenediaminetriacetic acid (HEDTA); diethylenetriaminepentaacetic acid (DTPA); hydroxyethyliminodiacetic acid (HEIDA); cyclohexylenediaminetetraacetic acid (CDTA); diphenylaminesulfonic acid (DPAS); ethylenediaminedi(o-hydroxyphenylacetic) acid (EDDHA); glucoheptonic acid; gluconic acid; oxalic acid; malonic acid; succinic acid; glutaric acid; adipic acid; pimelic acid; suberic acid; azelaic acid; sebacic acid; phthalic acid; terephthalic acid; aconitic acid; carballylic acid; trimesic acid; isocitric acid; citric acid; L-glutamic acid-N,N-diacetic acid (GLDA); salts thereof; and mixtur
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: October 10, 2023
    Assignee: DORF KETAL CHEMICALS FZE
    Inventors: Clay Purdy, Markus Weissenberger, Adrienne Lee
  • Patent number: 11784059
    Abstract: A method for preparing a semiconductor sample with an etched pit suitable for microscope observation is provided, including that a semiconductor sample piece is provided, the semiconductor sample piece including a sacrificial layer and a supporting layer which are stacked, and a trench which penetrates through the sacrificial layer and the supporting layer to expose a pit on a surface of a bottom metal layer; the semiconductor sample piece is steeped by placing it in an etching solution to remove the sacrificial layer; an adhesive tape is pasted on the surface of the semiconductor sample piece after the sacrificial layer is removed; and the adhesive tape is torn to remove the supporting layer above the pit to expose the pit.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: October 10, 2023
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Ming-Te Liu
  • Patent number: 11773292
    Abstract: An object of the present invention is to provide a polishing composition that can achieve both a high polishing removal rate and high surface quality. According to the present invention, provided is a polishing composition for polishing a material to be polished. The polishing composition contains sodium metavanadate, hydrogen peroxide, and silica abrasive. The content C1 of sodium metavanadate is 0.7% to 3.5% by weight, the content C2 of hydrogen peroxide is 0.3% to 3% by weight, and the content C3 of the silica abrasive is 12% to 50% by weight.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: October 3, 2023
    Assignee: FUJIMI INCORPORATED
    Inventors: Hiroki Kon, Naoto Noguchi
  • Patent number: 11776823
    Abstract: A substrate processing method includes a process of cooling a substrate to below a freezing point of a processing liquid using a cooling fluid brought into contact with the substrate opposite. While the substrate is cooled to below the freezing point of the processing liquid, a droplet of processing liquid is dispensed onto a surface of the substrate at a specified location of a foreign substance. The droplet then forms a frozen droplet portion at the specified location. The frozen droplet portion is then thawed.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: October 3, 2023
    Assignee: Kioxia Corporation
    Inventors: Mana Tanabe, Kosuke Takai, Kenji Masui, Kaori Umezawa
  • Patent number: 11776817
    Abstract: There is provided a pattern forming method for forming a pattern on a substrate. The method comprises preparing on a base a substrate in which a plurality of core materials arranged in a convex shape and in a line shape, and first and second line materials arranged in a convex shape and in a line shape on one side and the other side of each of the core materials, respectively, are formed, selectively forming a mask material on any one of the first and the second line materials by a process including anisotropic film formation, by a process including etching using a line mask having a line-shaped hole at a portion corresponding to a region where line cutting is performed, etching and removing the one on which the mask material is not formed among the first and the second line materials in the region, and removing the core material.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: October 3, 2023
    Assignee: Tokyo Electron Limited
    Inventor: Shota Ishibashi
  • Patent number: 11771283
    Abstract: A system and method for selectively manually controlling an autonomous floor cleaner includes an autonomous floor cleaner and a remote control device, such as a smartphone. The smartphone can have a downloaded application for controlling one or more functions of the cleaning robot, including manually directing the movement of the cleaning robot.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 3, 2023
    Assignee: BISSELL , Inc.
    Inventors: Adam Brown, Eric D. Buehler, Derek E. Smith, David VanKampen
  • Patent number: 11772134
    Abstract: A method includes cleaning a wafer with a brush element where the brush element collects particles from the wafer during the cleaning process. The brush element is immersed in a first cleaning liquid. An ultrasonic or megasonic vibration is applied to the first cleaning liquid. The ultrasonic or megasonic vibration causes the particles to dislodge from the brush element into the first cleaning liquid. The particles contaminate the first cleaning liquid.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD
    Inventors: Han-Yeou Huang, Chun-Hsiang Fan
  • Patent number: 11764070
    Abstract: An etching method includes: providing, in a chamber, a substrate including a structure including a first film selected from a molybdenum film and a tungsten film; performing a first etching on the first film by supplying an oxidation gas and a first gas selected from a MoF6 gas and a WF6 gas into the chamber; when a pore present inside the first film is exposed by the first etching, filling the pore with one of molybdenum and tungsten by stopping the first etching and supplying a reduction gas and a second gas selected the MoF6 gas and the WF6 gas into the chamber; and performing a second etching on a filling layer formed in the filling and the first film by supplying the oxidation gas and a third gas selected from the MoF6 gas and the WF6 gas into the chamber.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: September 19, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Satoshi Toda, Naoki Shindo, Haruna Suzuki, Gen You
  • Patent number: 11764055
    Abstract: A substrate processing method is provided, which includes: a substrate holding step of causing a substrate holding unit to hold a substrate; an ozone-containing hydrofluoric acid solution supplying step of supplying an ozone-containing hydrofluoric acid solution containing ozone dissolved therein a hydrofluoric acid solution to one major surface of the substrate held by the substrate holding unit; a brush-cleaning step of cleaning the one major surface of the substrate by bringing a cleaning brush into contact with the one major surface of the substrate after the ozone-containing hydrofluoric acid solution supplying step; and an ozone water supplying step of supplying ozone water to the one major surface of the substrate before start of the brush-cleaning step after the ozone-containing hydrofluoric acid solution supplying step or in the brush-cleaning step.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: September 19, 2023
    Inventors: Nobuyuki Shibayama, Toru Edo, Hiromichi Kaba
  • Patent number: 11759086
    Abstract: A household dishwasher includes a washing compartment, an activatable unit arranged in the washing compartment, a control device configured to actuate the activatable unit, an optical sensor configured to acquire an optical sensor signal of the washing compartment, and a communication unit for bidirectional communication with a remote server. The communication unit transmits the acquired optical sensor signal to the remote server and receives a control command from the remote server for actuating the activatable unit and to forward the received control command to the control device.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 19, 2023
    Assignee: BSH Hausgeräte GmbH
    Inventors: Maria Terrádez Alemany, Kai Paintner, Matthias Heckes, Daniel Hitzler
  • Patent number: 11764069
    Abstract: Certain aspects of the present disclosure provide techniques for a method of removing material on a substrate. An exemplary method includes rotating a substrate about a first axis in a first direction and urging a surface of the substrate against a polishing surface of a polishing pad while rotating the substrate, wherein rotating the substrate about the first axis includes rotating the substrate a first angle at a first rotation rate, and then rotating the substrate a second angle at a second rotation rate, and the first rotation rate is different from the second rotation rate.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: September 19, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Jimin Zhang, Brian J. Brown, Eric Lau, Ekaterina Mikhaylichenko, Jeonghoon Oh, Gerald J. Alonzo
  • Patent number: 11738363
    Abstract: A method of processing a plurality of substrates includes immersing the plurality of substrates into a bath solution contained in a bath chamber; generating gas bubbles in the bath solution; projecting light from a light source toward the bath chamber; generating light sensor data by capturing light emanating off the bath chamber after interacting with the gas bubbles with a light sensor; and converting the light sensor data into a metric for the bath solution.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: August 29, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Michael Carcasi, Ihsan Simms, Joel Estrella, Antonio Luis Pacheco Rotondaro, Joshua Hooge, Hiroshi Marumoto