Patents by Inventor Daniel Alvarado

Daniel Alvarado 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: 11664183
    Abstract: A system and method for extending the life of a cathode and repeller in an IHC ion source is disclosed. The system monitors the health of the cathode by operating using a known set of parameters and measuring the bias power used to generate the desired extracted beam current or the desired current from the arc voltage power supply. Based on the measured bias power, the system may determine whether the cathode is becoming too thin, and may take a corrective action. This corrective action may be to alert the operator; to operate the IHC ion source using a predetermined set of parameters; or to change the dilution used within the IHC source. By performing these actions, the life of the cathode may be more than doubled.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: May 30, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Graham Wright, Daniel Alvarado, Eric Donald Wilson, Robert Lindberg
  • Publication number: 20220406554
    Abstract: A crucible that exploits the observation that molten metal tends to flow toward the hottest regions is disclosed. The crucible includes an interior in which dopant material may be disposed. The crucible has a pathway leading from the interior toward an aperture, wherein the temperature is continuously increasing along the pathway. The aperture may be disposed in or near the interior of the arc chamber of an ion source. The liquid metal flows along the pathway toward the arc chamber, where it is vaporized and then ionized. By controlling the flow rate of the pathway, spillage may be reduced. In another embodiment, an inverted crucible is disclosed. The inverted crucible comprises a closed end in communication with the interior of the ion source, so that the closed end is the hottest region of the crucible. An opening is disposed on a different wall to allow vapor to exit the crucible.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 22, 2022
    Inventors: Graham Wright, Eric Donald Wilson, Daniel Alvarado, Robert C. Lindberg, Jacob Mullin
  • Publication number: 20220359147
    Abstract: A system and method for extending the life of a cathode and repeller in an IHC ion source is disclosed. The system monitors the health of the cathode by operating using a known set of parameters and measuring the bias power used to generate the desired extracted beam current or the desired current from the arc voltage power supply. Based on the measured bias power, the system may determine whether the cathode is becoming too thin, and may take a corrective action. This corrective action may be to alert the operator; to operate the IHC ion source using a predetermined set of parameters; or to change the dilution used within the IHC source. By performing these actions, the life of the cathode may be more than doubled.
    Type: Application
    Filed: May 5, 2021
    Publication date: November 10, 2022
    Inventors: Graham Wright, Daniel Alvarado, Eric Donald Wilson, Robert Lindberg
  • Patent number: 11404254
    Abstract: An ion source with an insertable target holder for holding a solid dopant material is disclosed. The insertable target holder includes a pocket or cavity into which the solid dopant material is disposed. When the solid dopant material melts, it remains contained within the pocket, thus not damaging or degrading the arc chamber. Additionally, the target holder can be moved from one or more positions where the pocket is at least partially in the arc chamber to one or more positions where the pocket is entirely outside the arc chamber. In certain embodiments, a sleeve may be used to cover at least a portion of the open top of the pocket.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: August 2, 2022
    Assignee: Varian Semiconductor Equipment Associates, Inc.
    Inventors: Shreyansh Patel, Graham Wright, Daniel Alvarado, Klaus Becker, Daniel R. Tieger, Stephen Krause
  • Publication number: 20210375585
    Abstract: An ion source with a target holder for holding a solid dopant material is disclosed. The ion source comprises a thermocouple disposed proximate the target holder to monitor the temperature of the solid dopant material. In certain embodiments, a controller uses this temperature information to vary one or more parameters of the ion source, such as arc voltage, cathode bias voltage, extracted beam current, or the position of the target holder within the arc chamber. Various embodiments showing the connections between the controller and the thermocouple are shown. Further, embodiments showing various placement of the thermocouple on the target holder are also presented.
    Type: Application
    Filed: August 16, 2021
    Publication date: December 2, 2021
    Inventors: Shreyansh P. Patel, Graham Wright, Daniel Alvarado, Daniel R. Tieger, Brian S. Gori, William R. Bogiages, JR., Benjamin Oswald, Craig R. Chaney
  • Patent number: 11170973
    Abstract: An ion source with a target holder for holding a solid dopant material is disclosed. The ion source comprises a thermocouple disposed proximate the target holder to monitor the temperature of the solid dopant material. In certain embodiments, a controller uses this temperature information to vary one or more parameters of the ion source, such as arc voltage, cathode bias voltage, extracted beam current, or the position of the target holder within the arc chamber. Various embodiments showing the connections between the controller and the thermocouple are shown. Further, embodiments showing various placement of the thermocouple on the target holder are also presented.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: November 9, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Shreyansh P. Patel, Graham Wright, Daniel Alvarado, Daniel R. Tieger, Brian S. Gori, William R. Bogiages, Jr., Benjamin Oswald, Craig R. Chaney
  • Patent number: 11099617
    Abstract: A combination information handling resource carrier and airflow impedance blank configured to populate a slot of an information handling system may include a carrier configured to carry an information handling resource and a removable airflow impedance element mechanically coupled to the carrier and configured to be readily removed in order to convert the combination from operation as an airflow impedance blank to operation as an information handling resource carrier.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: August 24, 2021
    Assignee: Dell Products L.P.
    Inventors: Eric M. Tunks, Daniel Alvarado
  • Publication number: 20210110995
    Abstract: An ion source with a target holder for holding a solid dopant material is disclosed. The ion source comprises a thermocouple disposed proximate the target holder to monitor the temperature of the solid dopant material. In certain embodiments, a controller uses this temperature information to vary one or more parameters of the ion source, such as arc voltage, cathode bias voltage, extracted beam current, or the position of the target holder within the arc chamber. Various embodiments showing the connections between the controller and the thermocouple are shown. Further, embodiments showing various placement of the thermocouple on the target holder are also presented.
    Type: Application
    Filed: January 6, 2020
    Publication date: April 15, 2021
    Inventors: Shreyansh P. Patel, Graham Wright, Daniel Alvarado, Daniel R. Tieger, Brian S. Gori, William R. Bogiages, JR., Benjamin Oswald, Craig R. Chaney
  • Patent number: 10957509
    Abstract: An ion source with an insertable target holder for holding a solid dopant material is disclosed. The insertable target holder includes a hollow interior into which the solid dopant material is disposed. The target holder has a porous surface at a first end, through which vapors from the solid dopant material may enter the arc chamber. The porous surface inhibits the passage of liquid or molten dopant material into the arc chamber. The target holder is also constructed such that it may be refilled with dopant material when the dopant material within the hollow interior has been consumed. The porous surface may be a portion of a perforated crucible, a portion of a perforated retention cap, or a porous insert.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: March 23, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Graham Wright, Daniel Alvarado, Shreyansh P. Patel, Daniel R. Tieger
  • Patent number: 10896799
    Abstract: An IHC ion source with multiple configurations is disclosed. For example, an IHC ion source comprises a chamber, having at least one electrically conductive wall, and a cathode and a repeller disposed on opposite ends of the chamber. Electrodes are disposed on one or more walls of the ion source. Bias voltages are applied to at least one of the cathode, repeller and the electrodes, relative to the electrically conductive wall of the chamber. Further, the IHC ion source comprises a configuration circuit, which receives the various voltages as input voltages, and provides selected output voltages to the cathode, repeller and electrodes, based on user input. In this way, the IHC ion source can be readily reconfigured for different applications without rewiring the power supplies, as is currently done. This configuration circuit may be utilized with other types of ion sources as well.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: January 19, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Klaus Becker, Carlos M. Goulart, Daniel Alvarado, Daniel R. Tieger, Alexander S. Perel
  • Patent number: 10624226
    Abstract: A method, an information handling system (IHS), and a bracket component for use in an IHS to better retain an inserted expansion card. The bracket component includes a first arm with a surface configured to fasten to a portion of a computer chassis. The portion of the computer chassis is proximate to a printed circuit board (PCB) expansion slot of the computer chassis. The bracket component includes a second arm positioned perpendicular to the first arm. The second arm has an inner surface facing the PCB expansion slot. The bracket component includes a board support pad affixed to the inner surface of the second arm. The board support pad has a flexible surface layer for abutting an edge of one or more PCBs that are inserted into the PCB expansion slot. The board support pad of the bracket component stabilizes the PCBs and reduces vibrations emanating from the computer chassis.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 14, 2020
    Assignee: Dell Products, L.P.
    Inventor: Daniel Alvarado
  • Patent number: 10612542
    Abstract: Techniques involve a motor assembly including a rotor and a stator. The stator includes a contact surface for contacting an outer surface of the rotor. The contact surface includes a rigid material. The motor assembly also includes at least one constraint disposed along a length of the motor assembly, where the constraint constrains a radial and/or tangential movement of the rotor relative to the stator. The at least one constraint may be disposed at one or more proximate ends of the motor assembly, and/or along the length of the motor assembly. The contact surface of the stator may have a profile including peaks and valleys, and in some embodiments, the contact surface may be treated to reduce friction and/or wear.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: April 7, 2020
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Brian P. Jarvis, Nigel Wilcox, Brian Williams, Lance Underwood, William Murray, Peter Thomas Cariveau, Geoffrey Downton, Lawrence Lee, Shunetsu Onodera, Daniel Alvarado, Maxim Pushkarev, Gokturk Tunc, Andrei Plop, Warren Askew
  • Patent number: 10600611
    Abstract: An ion source with a crucible is disclosed. In some embodiments, the crucible is disposed in one of the ends of the ions source, opposite the cathode. In other embodiments, the crucible is disposed in one of the side walls. A feed material, which may be in solid form is disposed in the crucible. In certain embodiments, the feed material is sputtered by ions and electrons in the plasma. In other embodiments, the feed material is heated so that it vaporizes. The ion source may be oriented so that the crucible is disposed in the lowest wall so that gravity retains the feed material in the crucible.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 24, 2020
    Assignee: Applied Materials, Inc.
    Inventors: Klaus Becker, Daniel Alvarado, Michael St. Peter, Graham Wright
  • Publication number: 20200090916
    Abstract: An ion source with an insertable target holder for holding a solid dopant material is disclosed. The insertable target holder includes a pocket or cavity into which the solid dopant material is disposed. When the solid dopant material melts, it remains contained within the pocket, thus not damaging or degrading the arc chamber. Additionally, the target holder can be moved from one or more positions where the pocket is at least partially in the arc chamber to one or more positions where the pocket is entirely outside the arc chamber. In certain embodiments, a sleeve may be used to cover at least a portion of the open top of the pocket.
    Type: Application
    Filed: February 6, 2019
    Publication date: March 19, 2020
    Inventors: Shreyansh Patel, Graham Wright, Daniel Alvarado, Klaus Becker, Daniel R. Tieger, Stephen Krause
  • Publication number: 20190286198
    Abstract: A method of manufacturing a chassis of an HIS includes manufacturing a chassis having a base panel with an upper chassis surface. The method further includes attaching at least one resilient component to the upper chassis surface and that upwardly presents an adhesive surface to fixedly engage and to provide vibration damping for a storage drive that is inserted on the adhesive surface during assembly of the IHS.
    Type: Application
    Filed: June 6, 2019
    Publication date: September 19, 2019
    Inventors: DANIEL ALVARADO, EDMOND I. BAILEY
  • Patent number: 10345873
    Abstract: An information handling system (IHS) includes user selectable compute components including a storage drive. A chassis includes a base panel having an upper chassis surface. At least one resilient component is coupled to the upper chassis surface. An upwardly presented adhesive surface on one or more of the at least one resilient component can fixedly engage and provide vibration damping for a vibration-susceptible compute component that is inserted during provisioning or later modification or repair of the IHS.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 9, 2019
    Assignee: Dell Products, L.P.
    Inventors: Daniel Alvarado, Edmond I. Bailey
  • Publication number: 20190180971
    Abstract: An ion source with a crucible is disclosed. In some embodiments, the crucible is disposed in one of the ends of the ions source, opposite the cathode. In other embodiments, the crucible is disposed in one of the side walls. A feed material, which may be in solid form is disposed in the crucible. In certain embodiments, the feed material is sputtered by ions and electrons in the plasma. In other embodiments, the feed material is heated so that it vaporizes. The ion source may be oriented so that the crucible is disposed in the lowest wall so that gravity retains the feed material in the crucible.
    Type: Application
    Filed: November 14, 2018
    Publication date: June 13, 2019
    Inventors: Klaus Becker, Daniel Alvarado, Michael St. Peter, Graham Wright
  • Patent number: 10290461
    Abstract: An ion source having improved life is disclosed. In certain embodiments, the ion source is an IHC ion source comprising a chamber, having a plurality of electrically conductive walls, having a cathode which is electrically connected to the walls of the ion source. Electrodes are disposed on one or more walls of the ion source. A bias voltage is applied to at least one of the electrodes, relative to the walls of the chamber. In certain embodiments, fewer positive ions are attracted to the cathode, reducing the amount of sputtering experienced by the cathode. Advantageously, the life of the cathode is improved using this technique. In another embodiment, the ion source comprises a Bernas ion source comprising a chamber having a filament with one lead of the filament connected to the walls of the ion source.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 14, 2019
    Assignee: Varian Semiconductor Equipment Associates, Inc.
    Inventors: Daniel R. Tieger, Klaus Becker, Daniel Alvarado, Alexander S. Perel
  • Publication number: 20190122851
    Abstract: An ion source having improved life is disclosed. In certain embodiments, the ion source is an IHC ion source comprising a chamber, having a plurality of electrically conductive walls, having a cathode which is electrically connected to the walls of the ion source. Electrodes are disposed on one or more walls of the ion source. A bias voltage is applied to at least one of the electrodes, relative to the walls of the chamber. In certain embodiments, fewer positive ions are attracted to the cathode, reducing the amount of sputtering experienced by the cathode. Advantageously, the life of the cathode is improved using this technique. In another embodiment, the ion source comprises a Bernas ion source comprising a chamber having a filament with one lead of the filament connected to the walls of the ion source.
    Type: Application
    Filed: May 23, 2017
    Publication date: April 25, 2019
    Inventors: Daniel R. Tieger, Klaus Becker, Daniel Alvarado, Alexander S. Perel
  • Patent number: 9982485
    Abstract: Techniques relate to a moving cavity motor or pump, such as a mud motor, including a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator, where the apparatus for constraining is operable with the rotor catch. The motor may include a top sub, power section having a progressive cavity motor with a stator and rotor, a rotor catch, and an apparatus between a proximal and distal end of the rotor catch shaft. The apparatus may constrain the radial and/or tangential movement of the rotor catch shaft and the rotor.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: May 29, 2018
    Inventors: William Murray, Lance D. Underwood, Peter Thomas Cariveau, Brian P. Jarvis, Nigel Wilcox, Brian Williams, Geoffrey Downton, Lawrence Lee, Shun'etsu Onodera, Daniel Alvarado, Maxim Pushkarev, Gokturk Tunc, Andrei Plop