Patents by Inventor Michael David Hill

Michael David Hill 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).

  • High Q modified barium magnesium tantalate for high frequency applications
    Patent number: 10308522
    Abstract: Disclosed are embodiments of a barium magnesium tantalate including additional components to increase the Q value of the material. In some embodiments, complex tungsten oxides and/or hexagonal perovskite crystal structures can be added into the barium magnesium tantalate to provide for advantageous properties. In some embodiments, no tin is used in the formation of the material.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: June 4, 2019
    Assignee: SKYWORKS SOLUTIONS, INC.
    Inventor: Michael David Hill
  • Incorporation of oxides into ferrite material for improved radio radiofrequency properties
    Patent number: 10276287
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase hexagonal ferrite material, such as those including strontium. In some embodiments, oxides consistent with the stoichiometry of Sr3Co2Fe24O41, SrFe12O19 or CoFe2O4 can be used form an enhanced hexagonal ferrite material.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: April 30, 2019
    Assignee: Skyworks Solutions, Inc.
    Inventor: Michael David Hill
  • Multi-phase high thermal conductivity composite dielectric materials
    Patent number: 10246375
    Abstract: Disclosed herein are embodiments of materials having high thermal conductivity along with a high dielectric constants. In some embodiments, a two phase composite ceramic material can be formed having a contiguous aluminum oxide phase with a secondary phase embedded within the continuous phase. Example secondary phases include calcium titanate, strontium titanate, or titanium dioxide.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: April 2, 2019
    Assignee: SKYWORKS SOLUTIONS, INC.
    Inventor: Michael David Hill
  • LOW TEMPERATURE CO-FIREABLE DIELECTRIC MATERIALS
    Publication number: 20190081377
    Abstract: Disclosed herein are embodiments of low temperature co-fireable dielectric materials which can be used in conjunction with high dielectric materials to form composite structures, in particular for isolators and circulators for radiofrequency components. Embodiments of the low temperature co-fireable dielectric materials can be scheelite or garnet structures, for example barium tungstate. Adhesives and/or glue is not necessary for the formation of the isolators and circulators.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 14, 2019
    Inventors: Michael David Hill, Jianzhong Jiang, Jeffrey Alan Shunkwiler, Neil Bruce Coats, David Martin Firor, David Bowie Cruickshank
  • Rare earth reduced garnet systems and related microwave applications
    Patent number: 10230146
    Abstract: Disclosed are synthetic garnets and related devices that can be used in radio-frequency (RF) applications. In some embodiments, such RF devices can include garnets having reduced or substantially nil Yttrium or other rare earth metals. Such garnets can be configured to yield high dielectric constants, and ferrite devices, such as TM-mode circulators/isolators, formed from such garnets can benefit from reduced dimensions. Further, reduced or nil rare earth content of such garnets can allow cost-effective fabrication of ferrite-based RF devices. In some embodiments, such ferrite devices can include other desirable properties such as low magnetic resonance linewidths. Examples of fabrication methods and RF-related properties are also disclosed.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: March 12, 2019
    Assignee: Skyworks Solutions, Inc.
    Inventors: David Bowie Cruickshank, Rickard Paul O'Donovan, Iain Alexander MacFarlane, Brian Murray, Michael David Hill
  • MAGNETODIELECTRIC Y-PHASE STRONTIUM HEXAGONAL FERRITE MATERIALS FORMED BY SODIUM SUBSTITUTION
    Publication number: 20190019605
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase strontium hexagonal ferrite material. In some embodiments, sodium can be added into the crystal structure of the hexagonal ferrite material in order to achieve high resonance frequencies while maintaining high permeability.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 17, 2019
    Inventor: Michael David Hill
  • Tunable resonators using high dielectric constant ferrite rods
    Patent number: 10181632
    Abstract: Disclosed are single-piece magnetically tunable ferrite rods that can be used for radio-frequency (RF) applications, and methods of manufacturing the resonators using synthetic garnets. In some embodiments, a separate tuner need not be used in the resonator during magnetic tuning. Examples of fabrication methods and RF-related properties are also disclosed.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: January 15, 2019
    Assignee: Skyworks Solutions, Inc.
    Inventors: David Bowie Cruickshank, John Christopher Deriso, Michael David Hill
  • SUBSTITUTED ALUMINUM NITRIDE FOR IMPROVED ACOUSTIC WAVE FILTERS
    Publication number: 20190013458
    Abstract: A piezoelectric material comprises AlN doped with cations of one or more elements selected from the group consisting of: one of Sb, Ta, Nb, or Ge; Cr in combination with one or more of B, Sc, Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, or Yb; one of Nb and Ta in combination with one of Li, Mg, Ca, Ni, Co, and Zn; Ca in combination with one of Si, Ge, Ti, Zr, and Hf; Mg in combination with one of Si, Ge, and Ti; and one or more of Co, Sb, Ta, Nb, Si, or Ge in combination with one or more of Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, or Yb. The cations at least partially substitute for Al in the crystal structure of the piezoelectric material.
    Type: Application
    Filed: July 3, 2018
    Publication date: January 10, 2019
    Inventors: Michael David Hill, Peter Ledel Gammel
  • INCREASED RESONANT FREQUENCY ALKALI-DOPED Y-PHASE HEXAGONAL FERRITES
    Publication number: 20190006067
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material, such as Y-phase hexagonal ferrite material, and methods of manufacturing. In some embodiments, sodium or potassium can be added into the crystal structure of the hexagonal ferrite material in order to achieve improved resonant frequencies in the range of 500 MHz to 1 GHz useful for radiofrequency applications.
    Type: Application
    Filed: July 2, 2018
    Publication date: January 3, 2019
    Inventor: Michael David Hill
  • INCREASED RESONANT FREQUENCY POTASSIUM-DOPED HEXAGONAL FERRITE
    Publication number: 20180374616
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase strontium hexagonal ferrite material. In some embodiments, strontium can be substituted out for a trivalent or tetravalent ion composition including potassium, thereby providing for advantageous properties.
    Type: Application
    Filed: July 2, 2018
    Publication date: December 27, 2018
    Inventor: Michael David Hill
  • MODIFIED Z-TYPE HEXAGONAL FERRITE MATERIALS WITH ENHANCED RESONANT FREQUENCY
    Publication number: 20180366835
    Abstract: Disclosed herein are embodiments of modified z-type hexagonal ferrite materials having improved properties that are advantageous for radiofrequency applications, in particular high frequency ranges for antennas and other devices. Atomic substitution of strontium, aluminum, potassium, and trivalent ions can be used to replace certain atoms in the ferrite crystal structure to improve loss factor at high frequencies.
    Type: Application
    Filed: June 19, 2018
    Publication date: December 20, 2018
    Inventor: Michael David Hill
  • THERMAL BARRIER COATING MATERIAL WITH ENHANCED TOUGHNESS
    Publication number: 20180354858
    Abstract: Disclosed are compositions, devices and methods related to thermal barrier coating materials having enhanced toughness. In some embodiments, a multiphase ceramic can include a first phase formed from a cubic and/or a tetragonally stabilized metal oxide, and a second phase formed from a magnetoplumbite-based aluminate that is chemically compatible with the first phase. Various example applications in which such materials can be utilized are disclosed.
    Type: Application
    Filed: May 8, 2018
    Publication date: December 13, 2018
    Inventor: Michael David Hill
  • INDIUM CONTAINING MAGNETIC GARNET MATERIALS
    Publication number: 20180330854
    Abstract: Disclosed are embodiments of synthetic garnet materials for use in radiofrequency applications. In some embodiments, increased amounts of gadolinium can be added into specific sites in the crystal structure of the synthetic garnet by incorporating indium, a trivalent element. By including both indium and increased amounts of gadolinium, the dielectric constant can be improved. Thus, embodiments of the disclosed material can be advantageous in both above and below resonance applications, such as for isolators and circulators.
    Type: Application
    Filed: May 7, 2018
    Publication date: November 15, 2018
    Inventors: Michael David Hill, David Bowie Cruickshank
  • IMPEDANCE MATCHING IN VERY HIGH DIELECTRIC CONSTANT ISOLATOR/CIRCULATOR JUNCTIONS
    Publication number: 20180323486
    Abstract: Disclosed are embodiments of isolator/circulator junctions that can be used for radio-frequency (RF) applications, and methods of manufacturing the junctions. The junctions can have excellent impedance matching, even as they are being miniaturized, providing significant advantages over previously used junctions. The junctions can be formed of both high and low dielectric constant material.
    Type: Application
    Filed: February 21, 2018
    Publication date: November 8, 2018
    Inventors: David Bowie Cruickshank, Michael David Hill, Iain Alexander MacFarlane
  • DEVICES AND METHODS RELATED TO ELECTROSTATIC DISCHARGE PROTECTION BENIGN TO RADIO-FREQUENCY OPERATION
    Publication number: 20180308810
    Abstract: Disclosed are systems, devices and methods for providing electrostatic discharge (ESD) protection for integrated circuits. In some implementations, first and second conductors with ohmic contacts on an intrinsic semiconductor region can function similar to an x-i-y type diode, where each of x and y can be n-type or p-type. Such a diode can be configured to turn on under selected conditions such as an ESD event. Such a structure can be configured so as to provide an effective ESD protection while providing little or substantially nil effect on radio-frequency (RF) operating properties of a device.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 25, 2018
    Inventors: Kim Rene Smith, Paul T. DiCarlo, Michael David Hill
  • Magnetodielectric Y-phase strontium hexagonal ferrite materials formed by sodium substitution
    Patent number: 10049796
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase strontium hexagonal ferrite material. In some embodiments, sodium can be added into the crystal structure of the hexagonal ferrite material in order to achieve high resonance frequencies while maintaining high permeability.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: August 14, 2018
    Assignee: Skyworks Solutions, Inc.
    Inventor: Michael David Hill
  • Increased resonant frequency alkali-doped Y-phase hexagonal ferrites
    Patent number: 10032547
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material, such as Y-phase hexagonal ferrite material, and methods of manufacturing. In some embodiments, sodium or potassium can be added into the crystal structure of the hexagonal ferrite material in order to achieve improved resonant frequencies in the range of 500 MHz to 1 GHz useful for radiofrequency applications.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: July 24, 2018
    Assignee: Skyworks Solutions, Inc.
    Inventor: Michael David Hill
  • Increased resonant frequency potassium-doped hexagonal ferrite
    Patent number: 10026530
    Abstract: Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase strontium hexagonal ferrite material. In some embodiments, strontium can be substituted out for a trivalent or tetravalent ion composition including potassium, thereby providing for advantageous properties.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: July 17, 2018
    Assignee: Skyworks Solutions, Inc.
    Inventor: Michael David Hill
  • Modified Z-type hexagonal ferrite materials with enhanced resonant frequency
    Patent number: 10027035
    Abstract: Disclosed herein are embodiments of modified z-type hexagonal ferrite materials having improved properties that are advantageous for radiofrequency applications, in particular high frequency ranges for antennas and other devices. Atomic substitution of strontium, aluminum, potassium, and trivalent ions can be used to replace certain atoms in the ferrite crystal structure to improve loss factor at high frequencies.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: July 17, 2018
    Assignee: Skyworks Solutions, Inc.
    Inventor: Michael David Hill
  • Devices and methods related to electrostatic discharge protection benign to radio-frequency operation
    Patent number: 10020269
    Abstract: Disclosed are systems, devices and methods for providing electrostatic discharge (ESD) protection for integrated circuits. In some implementations, first and second conductors with ohmic contacts on an intrinsic semiconductor region can function similar to an x-i-y type diode, where each of x and y can be n-type or p-type. Such a diode can be configured to turn on under selected conditions such as an ESD event. Such a structure can be configured so as to provide an effective ESD protection while providing little or substantially nil effect on radio-frequency (RF) operating properties of a device.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: July 10, 2018
    Assignee: Skyworks Solutions. Inc.
    Inventors: Kim Rene Smith, Paul T. DiCarlo, Michael David Hill