Patents Examined by Timothy V. Eley
  • Patent number: 10307879
    Abstract: Device and method for the finishing machining of an internal face of a workpiece, such as the track of a ball screw, including a workpiece holder and a finishing tool held on a finishing tool holder. A rotary drive is provided, by which the workpiece holder and the finishing tool is rotationally driven relative to one another about a rotational axis. A linear drive is provided, by which the finishing tool held on the finishing tool holder and the workpiece holder is driven in a translatory manner relative to one another along the rotational axis. An oscillating drive is provided, by which the finishing tool held on the finishing tool holder and the workpiece holder is driven in an oscillating manner relative to one another in the direction parallel to the rotational axis and wherein the finishing tool is pivotably held on the finishing tool holder about a pivot axis.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: June 4, 2019
    Inventor: Alfons Haas
  • Patent number: 10300578
    Abstract: In some embodiments, the present disclosure relates to a method of performing a planarization process. The method may be performed by placing a wafer between a carrier head and an upper surface of a polishing pad. The carrier head has a retainer ring configured to surround the wafer, and the retainer ring has an abrasive structure configured to contact the upper surface of the polishing pad. Pressures within one or more chambers surrounded by the carrier head are independently regulated. The one or more chambers have one or more interior surfaces having a flexible membrane. The flexible membrane has a lower surface configured to contact the wafer. At least one of the carrier head or the polishing pad are moved relative to the other, and a roughness of the upper surface of the polishing pad is maintained within a predetermined range by using the abrasive structure of the retainer ring.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: May 28, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Chang-Sheng Lin
  • Patent number: 10293463
    Abstract: A CMP pad conditioner for conditioning a polishing pad. Various embodiments of the disclosure include a plurality of elongated protrusions which work a conditioned surface of a polishing pad at a variety of attack angles as the CMP pad conditioner engages the polishing pad. Because of the elongated geometry of the protrusions, the variety of attack angles will tend to flex the conditioned face of the polishing pad in a multifaceted manner. Such multifaceted manipulation of the conditioned face enhances the cut rate of the conditioner assembly and the removal of debris in the pores of the polishing pad that are residual from the CMP process, to better open the pores of the polishing pad and to better maintain the removal rate in the CMP process.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: May 21, 2019
    Assignee: Entegris, Inc.
    Inventors: Andrew Galpin, Daniel Wells
  • Patent number: 10293423
    Abstract: The present disclosure relates to a method for the gear manufacturing machining of a workpiece by a diagonal-generating method, in which the workpiece is subjected to gear tooth machining by the rolling off of a tool, wherein an axial feed of the tool takes place during the machining with a diagonal ratio given by the ratio between the axial feed of the tool and the axial feed of the workpiece. According to the present disclosure, the tool has a conical basic shape.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: May 21, 2019
    Assignee: Liebherr-Verzahntechnik GmbH
    Inventor: Robert Wuerfel
  • Patent number: 10286516
    Abstract: A polisher may include a polishing pad, a motor, a transmission device, and a mode selection device. The transmission device can transmit a rotational drive force of the motor to the polishing pad in a plurality of different modes with respect to a motion of the polishing pad. The mode selection device may be used for selecting a desired motion mode of the output member. Additionally, a motor and handle housing with an accompanying power cord may be constructed to aid in ease of manipulation of the polisher by the user with minimal interference.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 14, 2019
    Inventors: Junya Ishikawa, Satoshi Ninagawa
  • Patent number: 10279453
    Abstract: A painting-installation cleaning system is provided for cleaning at least one component of a painting installation, in particular at least one component of a painting robot or of a handling robot, characterized by at least one dry-ice nozzle for producing a dry-ice jet which cleans the component.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: May 7, 2019
    Assignee: Durr Systems GmbH
    Inventors: Frank Herre, Marcus Frey, Michael Baumann, Georg M. Sommer, Thomas Buck
  • Patent number: 10279409
    Abstract: Disclosed is a method for dressing a single- or multi-thread grinding worm (34) in which a main rolling movement between the grinding worm and a gear-like dressing tool (90) is brought about. In order to create flank modifications on the grinding worm, an additional relative movement is superimposed on the main rolling movement. In addition, an auxiliary drive specifically designed for such a method, a correspondingly designed machine tool and a dressing tool for carrying out the method are disclosed.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: May 7, 2019
    Assignee: REISHAUER AG
    Inventor: Walter Wirz
  • Patent number: 10272535
    Abstract: One variation of a method for automatically re-sharpening a knife includes: receiving a knife at a vice; during a scan cycle, scanning the grind head along a blade of the knife from an initial longitudinal position proximal the vice toward a longitudinal end position and recording a sequence of vertical positions of segments of an edge of the blade at various longitudinal positions of the grind head based on outputs of a sensor arranged in the grind head; calculating a blade profile for the knife based on the sequence of vertical positions; and, during a grind cycle, actuating a grind wheel in the grind head and pitching the grind head while driving the grind head longitudinally along the blade to maintain an axis of the grind wheel substantially parallel to segments the blade profile corresponding to longitudinal positions of the grind head, relative to the vice.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: April 30, 2019
    Assignee: Sharp Systems LLC
    Inventors: David Frederick Lyons, Ari Bennett, Dimitriy Kolchin, Alejandro Jamarillo Gomez, Jeffrey Kastenbaum, Scott DeWinter, Whitfield Fowler
  • Patent number: 10272537
    Abstract: A polishing processing method using a CMP method for polishing a surface of a crystal material to be smooth by using a loose polishing abrasive grain type polishing pad in the presence of a polishing liquid and a plurality of polishing abrasive grains, in which the crystal material is a single crystal of GaN, and the polishing liquid is an oxidizing polishing liquid having an oxidation-reduction potential between Ehmin (determined by Eq. (1)) mV and Ehmax (determined by Eq. (2)) mV and pH between 0.1 and 6.5: Ehmin (mV)=?33.9 pH+750 . . . (1) Ehmax (mV)=?82.1 pH+1491 . . . (2).
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: April 30, 2019
    Inventors: Makoto Sato, Wataru Omori, Maiko Takahashi
  • Patent number: 10272536
    Abstract: The present invention in one or more embodiments provides a roller tool for roughening a friction ring of a brake disk, the roller tool including a roller body including inner and outer ends and a casing surface positioned therebetween, the inner end differing in cross-section dimension than the outer end, the casing surface including thereupon one or more protrusions for contacting the friction ring. The roller tool may further include a support frame supporting the roller body. The support frame may include a short leg connected to the outer end of the roller body and a long leg connected to the inner end of the roller body.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 30, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Gerhard Flores, Josef Koepp, Valeri Hartmann, Clemens Maria Verpoort
  • Patent number: 10272558
    Abstract: A power tool is provided including an elongated housing. The housing includes a motor case disposed at a front end thereof and a handle portion extending along a longitudinal axis of the housing from the motor case to a rear end of the housing. The handle portion includes two elongated walls extending from the motor case along the longitudinal axis of the housing to form a planar opening within the handle portion. A partition wall is arranged along an axis substantially perpendicular to the longitudinal axis of the housing, separating the handle portion from the motor case. An electric motor having a drive shaft is mounted within the motor case, and a module casing supporting a planar circuit board is received within the planar opening and supported by the elongated walls within the handle portion of the housing axially along the longitudinal axis of the housing.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 30, 2019
    Assignee: Black & Decker Inc.
    Inventors: Kyle J. Christophersen, Daniel F. Nace, James H. Stiles, III, Floyd E. Moreland, IV, Craig A. Oktavec, David J. Smith, Zollie W. Privett, Jr., Matthew J. Velderman, Colin M. Crosby, Pradeep M. Pant
  • Patent number: 10272534
    Abstract: A grinding machine comprising a housing having a base for supporting the grinding machine, a shaft for holding a grindstone, a motor for rotating the shaft and a trough holder for holding a trough for grinding liquid, the through holder being arranged below the shaft, wherein the trough holder is movable in vertical direction between the base of the housing and the shaft for holding a grindstone and that the grinding machine comprises a lifting/lowering arrangement for moving the trough holder in said vertical direction.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: April 30, 2019
    Assignee: Tormek AB
    Inventor: HÃ¥kan Persson
  • Patent number: 10265826
    Abstract: A method of forming a recess in a surface of a substrate includes: providing an abrasive article comprising a structured abrasive member disposed along a peripheral surface of a support member, frictionally contacting the structured abrasive layer with a surface of a substrate, longitudinally advancing the structured abrasive layer relative to the surface of the substrate; and rotating at least one of the abrasive article or the substrate relative to the other around a rotational axis perpendicular to the surface of the substrate such that the structured abrasive layer maintains contact with and abrades the surface of the substrate. The structured abrasive member comprises a structured abrasive layer comprising shaped abrasive composites secured to a backing, wherein the backing is proximate to the support member. The shaped abrasive composites comprise abrasive particles retained in a binder material.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: April 23, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Bruce A. Sventek, Mitchell L. Nelson, David G. Baird, Kathryn R. Bretscher
  • Patent number: 10265829
    Abstract: A chemical mechanical polishing system includes a platen, a slurry introduction device and at least one polishing head. The platen is configured to allow a polishing pad to be disposed thereon. The slurry introduction device is configured to supply slurry onto the polishing pad. The polishing head includes a main body and at least one grinding piece. The main body has an accommodation space for accommodating a wafer. The grinding piece is disposed on the main body. The grinding piece has a grinding surface configured to grind against the polishing pad.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: April 23, 2019
    Inventors: Yu-Yi Tsai, Wen-Pin Ho, Chieh-Han Lee, Yu-Hsiang Chao
  • Patent number: 10259093
    Abstract: A grinding machine includes a plane grinding mechanism carrying a workpiece, an electrically controlled device mounted on the plane grinding mechanism, a grinder unit rotatably mounted on the plane grinding mechanism to grind the workpiece, and a smart working control system mounted on the plane grinding mechanism and electrically coupled to the electrically controlled device. The smart working control system includes a smart coder and a smart driver. When a load and a cutting force produced between the grinder unit and the workpiece reach preset parameters during the grinding process, the smart driver executes the working sequence or parameter setting program edited by the smart coder, to shorten a movement distance of the workbench of the plane grinding mechanism along the X-axis (leftward and rightward), and to produce an optimum lapping path.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: April 16, 2019
    Assignee: Falcon Machine Tools Co., Ltd.
    Inventors: Po-Ming Chang, Chin-Peng Li, Chin-Wei Chuang
  • Patent number: 10252396
    Abstract: The present disclosure relates to polishing pads which include a polishing layer, wherein the polishing layer includes a working surface and a second surface opposite the working surface. The working surface includes at least one of a plurality of precisely shaped pores and a plurality of precisely shaped asperities. The present disclosure further relates to a polishing system, the polishing system includes the preceding polishing pad and a polishing solution. The present disclosure relates to a method of polishing a substrate, the method of polishing including: providing a polishing pad according to any one of the previous polishing pads; providing a substrate, contacting the working surface of the polishing pad with the substrate surface, moving the polishing pad and the substrate relative to one another while maintaining contact between the working surface of the polishing pad and the substrate surface, wherein polishing is conducted in the presence of a polishing solution.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 9, 2019
    Inventors: Duy K. Lehuu, Kenneth A. P. Meyer, Moses M. David
  • Patent number: 10252400
    Abstract: Disclosed herein are systems and methods for improving the performance of a fluid jet cutting system by testing and adjusting characteristics of the system based on the effect of the characteristics on forces imparted by the system to a workpiece being cut. Also disclosed are systems and methods for monitoring and validating the performance of fluid jet cutting systems, and for diagnosing such systems. In some cases, the technologies described herein can be used to determine whether components of a fluid jet system require maintenance, or that characteristics of the system require adjustment.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: April 9, 2019
    Assignee: Flow International Corporation
    Inventors: Charles D. Burnham, Mohamed A. Hashish
  • Patent number: 10252395
    Abstract: A method of polishing an outer surface of a ceramic coated gas turbine engine component includes applying a rotating diamond brush to the outer surface. The brush is configured to achieve a uniform finish of 150 microinches Ra or less over the surface. The brush contains diamond impregnated bristles, and is affixed to a rotary head of a robotic arm. A force sensing controller limits brush forces against the component. The component disclosed is a hot section turbine vane designed for directional control of high temperature, high-pressure combustion gases, but the method may be applied to other components contained within such aerospace applications. The polished coating provides an improved thermal barrier for maintaining structural integrity of the component in environments having temperatures ranging up to 2,000 degrees Celsius. The method limits abrasive removal of ceramic material to only 0.0005 to 0.00075 inch, and saves time and expense over past practices.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: April 9, 2019
    Inventors: Bartolomeo Palmieri, John P. Rizzo, Jr., Kaitlin M. Tomeo, Alan C. Barron, Christopher J. Millea, Henry H. Thayer
  • Patent number: 10246620
    Abstract: The present invention is a CMP polishing agent, including polishing particles, a protective film-forming agent, and water, wherein the protective film-forming agent is a copolymer of styrene and acrylonitrile, and an average molecular weight of the copolymer is 500 or more and 20000 or less. This provides a polishing agent which can polish an insulation film with few polishing scratches and has high polishing selectivity of an insulation film to a polishing stop film in a CMP step, a method for manufacturing the polishing agent, and a method for polishing a substrate by using the polishing agent.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: April 2, 2019
    Inventor: Mitsuhito Takahashi
  • Patent number: 10239184
    Abstract: A roller assembly for a rotary dresser comprise a plurality of axial segments which may be in the form of discs, each disc provided with an abrasive, radially outer surface. The discs are secured in axial alignment, each in a preconfigured rotational orientation. The disc assembly has a centrally arranged aperture for receiving a rotor shaft. The abrasive surface of the assembly can be accurately presented as an array of uniformly shaped abrasive units in a predefined pattern.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: March 26, 2019
    Assignee: ROLLS-ROYCE plc
    Inventors: Dragos Axinte, Donka Novovic, Paul Butler-Smith, Alessio Spampinato, Mark Daine