Patents by Inventor Adam Fruehling

Adam Fruehling 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).

  • Publication number: 20240071694
    Abstract: A microelectromechanical system (MEMS) switch implemented with a coplanar waveguide. The MEMS switch includes an input terminal, an output terminal. The MEMS switch includes a beam extending between the input terminal and the output terminal. The beam includes a first edge and a second edge coupled to a gate of the MEMS switch. The beam includes a third edge proximate the input terminal. The first edge includes a first set of finger contacts proximate a first corner of the beam and a second set of finger contacts proximate a second corner of the beam. The beam includes a fourth edge proximate the output terminal, the fourth edge opposing the third edge. The MEMS switch has a first anchor coupled to the input terminal. The first anchor includes a first segment extending from a region proximate the input terminal to a region overlying the first set of finger contacts.
    Type: Application
    Filed: August 31, 2022
    Publication date: February 29, 2024
    Inventors: Gokhan Ariturk, Adam Fruehling
  • Publication number: 20230095040
    Abstract: A stackable molecular spectroscopy cell includes a hollow body, a first cap affixed to a first surface of the hollow body, covering a first opening in the hollow body, and a second cap affixed to a second surface of the hollow body, covering a second opening in the hollow body, and forming a sealed cavity within the hollow body. The sealed cavity contains a dipolar gas having a pressure of less than 0.5 mbar. The stackable molecular spectroscopy cell also includes a metal layer covering an inner surface of the hollow body and an inner surface of the first and second caps, including a first aperture in the metal layer covering the inner surface of the first cap and a second aperture in the metal layer covering the inner surface of the second cap.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Inventors: Argyrios Dellis, Adam Fruehling, Simon Joshua Jacobs
  • Publication number: 20230068451
    Abstract: An example microelectromechanical structures (MEMS) switch includes a body having a first end and a second end opposite the first end. The body extends from a base at the first end and has a first width. The MEMS switch further includes a bridge extending laterally from the body at the second end, and a spine extending between the bridge and the base. The spine has a second width smaller than the first width. At least one of the spine or the body includes a first material with a first thermal coefficient and a second material with a second thermal coefficient different from the first thermal coefficient.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 2, 2023
    Inventors: Bichoy Bahr, Adam Fruehling, Scott Summerfelt
  • Publication number: 20220406738
    Abstract: An integrated circuit (IC) includes a semiconductor substrate having a first surface and a second surface opposite the first surface. A through wafer trench (TWT) extends from the first surface of the semiconductor substrate to the second surface of the semiconductor substrate. Dielectric material is in the TWT. An interconnect region has layers of dielectric on the first surface of the substrate. The interconnect region has a conductive transmit patch. An antenna is formed, at least in part, by the dielectric material in the TWT and the transmit patch in the interconnect region. The antenna is configured to transmit or receive electromagnetic radiation between the transmit patch and the second surface of the semiconductor substrate through the dielectric material within the trench.
    Type: Application
    Filed: April 29, 2022
    Publication date: December 22, 2022
    Inventors: Swaminathan SANKARAN, Adam FRUEHLING, Baher HAROUN, Scott Robert SUMMERFELT, Benjamin Stassen COOK
  • Patent number: 11188032
    Abstract: A clock generator includes a hermetically sealed cavity and clock generation circuitry. A dipolar molecule in the hermetically sealed cavity has a quantum rotational state transition at a fixed frequency. The clock generation circuitry generates an output clock signal based on the fixed frequency of the dipolar molecule. The clock generation circuitry includes a detection circuit, a reference oscillator, and control circuitry. The detection circuit generates a first detection signal and a second detection signal representative of amplitude of signal at an output of the hermetically sealed cavity responsive to a first sweep signal and a second sweep signal input to the hermetically sealed cavity. The control circuitry sets a frequency of the reference oscillator based on a difference in time of identification of the fixed frequency of the dipolar molecule in the first detection signal and the second detection signal.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: November 30, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Bichoy Bahr, Argyrios Dellis, Adam Fruehling, Juan Alejandro Herbsommer
  • Publication number: 20200257250
    Abstract: A clock generator includes a hermetically sealed cavity and clock generation circuitry. A dipolar molecule in the hermetically sealed cavity has a quantum rotational state transition at a fixed frequency. The clock generation circuitry generates an output clock signal based on the fixed frequency of the dipolar molecule. The clock generation circuitry includes a detection circuit, a reference oscillator, and control circuitry. The detection circuit generates a first detection signal and a second detection signal representative of amplitude of signal at an output of the hermetically sealed cavity responsive to a first sweep signal and a second sweep signal input to the hermetically sealed cavity. The control circuitry sets a frequency of the reference oscillator based on a difference in time of identification of the fixed frequency of the dipolar molecule in the first detection signal and the second detection signal.
    Type: Application
    Filed: October 1, 2019
    Publication date: August 13, 2020
    Inventors: Bichoy BAHR, Argyrios DELLIS, Adam FRUEHLING, Juan Alejandro HERBSOMMER
  • Patent number: 9966194
    Abstract: A MEMs actuator device and method of forming includes arrays of actuator elements. Each actuator element has a moveable top plate and a bottom plate. The top plate includes a central membrane member and a cantilever spring for movement of the central membrane member. The bottom plate consists of two RF signal lines extending under the central membrane member. A MEMs electrostatic actuator device includes a CMOS wafer, a MEMs wafer, and a ball bond assembly. Interconnections are made from a ball bond to an associated through-silicon-via (TSV) that extends through the MEMS wafer. A RF signal path includes a ball bond electrically connected through a TSV and to a horizontal feed bar and from the first horizontal feed bar vertically into each column of the array. A metal bond ring extends between the CMOS wafer and the MEMS wafer. An RF grounding loop is completed from a ground shield overlying the array to the metal bond ring, a TSV and to a ball bond.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 8, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Arun Gupta, William C. McDonald, Adam Fruehling, Ivan Kmecko, Lance Barron, Divyanshu Agrawal, Arthur M. Turner, John C. Ehmke
  • Publication number: 20170098509
    Abstract: A MEMs actuator device and method of forming includes arrays of actuator elements. Each actuator element has a moveable top plate and a bottom plate. The top plate includes a central membrane member and a cantilever spring for movement of the central membrane member. The bottom plate consists of two RF signal lines extending under the central membrane member. A MEMs electrostatic actuator device includes a CMOS wafer, a MEMs wafer, and a ball bond assembly. Interconnections are made from a ball bond to an associated through-silicon-via (TSV) that extends through the MEMS wafer. A RF signal path includes a ball bond electrically connected through a TSV and to a horizontal feed bar and from the first horizontal feed bar vertically into each column of the array. A metal bond ring extends between the CMOS wafer and the MEMS wafer. An RF grounding loop is completed from a ground shield overlying the array to the metal bond ring, a TSV and to a ball bond.
    Type: Application
    Filed: December 20, 2016
    Publication date: April 6, 2017
    Inventors: Arun Gupta, William C. McDonald, Adam Fruehling, Ivan Kmecko, Lance Barron, Divyanshu Agrawal, Arthur M. Turner, John C. Ehmke
  • Patent number: 9573801
    Abstract: A MEMs actuator device and method of forming includes arrays of actuator elements. Each actuator element has a moveable top plate and a bottom plate. The top plate includes a central membrane member and a cantilever spring for movement of the central membrane member. The bottom plate consists of two RF signal lines extending under the central membrane member. A MEMs electrostatic actuator device includes a CMOS wafer, a MEMs wafer, and a ball bond assembly. Interconnections are made from a ball bond to an associated through-silicon-via (TSV) that extends through the MEMS wafer. A RF signal path includes a ball bond electrically connected through a TSV and to a horizontal feed bar and from the first horizontal feed bar vertically into each column of the array. A metal bond ring extends between the CMOS wafer and the MEMS wafer. An RF grounding loop is completed from a ground shield overlying the array to the metal bond ring, a TSV and to a ball bond.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: February 21, 2017
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Arun Gupta, William C. McDonald, Adam Fruehling, Ivan Kmecko, Lance Barron, Divyanshu Agrawal
  • Publication number: 20160176701
    Abstract: A MEMs actuator device and method of forming includes arrays of actuator elements. Each actuator element has a moveable top plate and a bottom plate. The top plate includes a central membrane member and a cantilever spring for movement of the central membrane member. The bottom plate consists of two RF signal lines extending under the central membrane member. A MEMs electrostatic actuator device includes a CMOS wafer, a MEMs wafer, and a ball bond assembly. Interconnections are made from a ball bond to an associated through-silicon-via (TSV) that extends through the MEMS wafer. A RF signal path includes a ball bond electrically connected through a TSV and to a horizontal feed bar and from the first horizontal feed bar vertically into each column of the array. A metal bond ring extends between the CMOS wafer and the MEMS wafer. An RF grounding loop is completed from a ground shield overlying the array to the metal bond ring, a TSV and to a ball bond.
    Type: Application
    Filed: February 15, 2016
    Publication date: June 23, 2016
    Inventors: Arun Gupta, William C. McDonald, Adam Fruehling, Ivan Kmecko, Lance Barron, Divyanshu Agrawal, Arthur M. Turner, John C. Ehmke, James C. Baker
  • Patent number: 9166271
    Abstract: A tunable cavity resonator includes a substrate, a cap structure, and a tuning assembly. The cap structure extends from the substrate, and at least one of the substrate and the cap structure defines a resonator cavity. The tuning assembly is positioned at least partially within the resonator cavity. The tuning assembly includes a plurality of fixed-fixed MEMS beams configured for controllable movement relative to the substrate between an activated position and a deactivated position in order to tune a resonant frequency of the tunable cavity resonator.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: October 20, 2015
    Assignee: Purdue Research Foundation
    Inventors: Dimitrios Peroulis, Adam Fruehling, Joshua Azariah Small, Xiaoguang Liu, Wasim Irshad, Muhammad Shoaib Arif
  • Publication number: 20140203896
    Abstract: A tunable cavity resonator includes a substrate, a cap structure, and a tuning assembly. The cap structure extends from the substrate, and at least one of the substrate and the cap structure defines a resonator cavity. The tuning assembly is positioned at least partially within the resonator cavity. The tuning assembly includes a plurality of fixed-fixed MEMS beams configured for controllable movement relative to the substrate between an activated position and a deactivated position in order to tune a resonant frequency of the tunable cavity resonator.
    Type: Application
    Filed: June 3, 2013
    Publication date: July 24, 2014
    Applicant: Purdue Research Foundation
    Inventors: Dimitrios Peroulis, Adam Fruehling, Joshua Azariah Small, Xiaoguang Liu, Wasim Irshad, Muhammad Shoaib Arif
  • Publication number: 20120318650
    Abstract: A radio frequency (RF) micro-electro-mechanical systems (MEMS) switch and high yield manufacturing method. The switch can be fabricated with very high yield despite the high variability of the manufacturing process parameters. The switch is fabricated with monocrystalline material, e.g., silicon, as the moving portion. The switch fabrication process is compatible with CMOS electronics fabricated on Silicon-on-Insulator (SOI) substrates. The switch comprises a movable portion having conductive portion selectively positioned with a bias voltage to conductively bridge a gap in a signal line.
    Type: Application
    Filed: February 24, 2012
    Publication date: December 20, 2012
    Inventors: Dimitrios Peroulis, Adam Fruehling
  • Publication number: 20100263999
    Abstract: A radio frequency (RF) micro-electro-mechanical systems (MEMS) switch and high yield manufacturing method. The switch can be fabricated with very high yield despite the high variability of the manufacturing process parameters. The switch is fabricated with monocrystalline material, e.g., silicon, as the moving portion. The switch fabrication process is compatible with CMOS electronics fabricated on Silicon-on-Insulator (SOI) substrates. The switch comprises a movable portion having conductive portion selectively positioned with a bias voltage to conductively bridge a gap in a signal line.
    Type: Application
    Filed: December 15, 2008
    Publication date: October 21, 2010
    Inventors: Dimitrios Peroulis, Adam Fruehling