Patents by Inventor Thomas J. Dunbar

Thomas J. Dunbar 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: 10559743
    Abstract: A design structure for an integrated radio frequency (RF) filter on a backside of a semiconductor substrate includes: a device on a first side of a substrate; a radio frequency (RF) filter on a backside of the substrate; and at least one substrate conductor extending from the front side of the substrate to the backside of the substrate and electrically coupling the RF filter to the device.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: February 11, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 10277188
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: April 30, 2019
    Assignee: SMARTSENS TECHNOLOGY (CAYMAN) CO., LTD.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 10164596
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: December 25, 2018
    Assignee: SMARTSENS TECHNOLOGY (CAYMAN) CO., LTD.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 10164597
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: December 25, 2018
    Assignee: SMARTSENS TECHNOLOGY (CAYMAN) CO., LTD.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Publication number: 20180254761
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Patent number: 10020789
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: July 10, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 10008597
    Abstract: A method includes forming a hardmask over one or more gate structures. The method further includes forming a photoresist over the hardmask. The method further includes forming an opening in the photoresist over at least one of the gate structures. The method further includes stripping the hardmask that is exposed in the opening and which is over the at least one of the gate structures. The method further includes removing the photoresist. The method further includes providing a halo implant on a side of the least one of the at least one of the gate structures.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: June 26, 2018
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Darshana N. Bhagat, Thomas J. Dunbar, Yen L. Lim, Jed H. Rankin, Eva S. Holmes
  • Patent number: 9935600
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed on a piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam formed above the piezoelectric substrate and at a location in which, upon actuation, the MEMS beam shorts the piezoelectric filter structure by contacting at least one of the plurality of electrodes.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 3, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Publication number: 20170365775
    Abstract: A design structure for an integrated radio frequency (RF) filter on a backside of a semiconductor substrate includes: a device on a first side of a substrate; a radio frequency (RF) filter on a backside of the substrate; and at least one substrate conductor extending from the front side of the substrate to the backside of the substrate and electrically coupling the RF filter to the device.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Publication number: 20170366153
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Publication number: 20170366154
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Patent number: 9843303
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed on a piezoelectric substrate. The method further includes forming a fixed electrode with a plurality of fingers on the piezoelectric substrate. The method further includes forming a moveable electrode with a plurality of fingers over the piezoelectric substrate. The method further includes forming actuators aligned with one or more of the plurality of fingers of the moveable electrode.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: December 12, 2017
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 9786835
    Abstract: A design structure for an integrated radio frequency (RF) filter on a backside of a semiconductor substrate includes: a device on a first side of a substrate; a radio frequency (RF) filter on a backside of the substrate; and at least one substrate conductor extending from the front side of the substrate to the backside of the substrate and electrically coupling the RF filter to the device.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: October 10, 2017
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 9300272
    Abstract: Tunable filter structures, methods of manufacture and design structures are disclosed. The method of forming a filter structure includes forming a piezoelectric resonance filter over a cavity structure. The forming of the piezoelectric resonance filter includes: forming an upper electrode on one side of a piezoelectric material; and forming a lower electrode on an opposing side of the piezoelectric material. The method further includes forming a micro-electro-mechanical structure (MEMS) cantilever beam at a location in which, upon actuation, makes contact with the piezoelectric resonance filter.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: March 29, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Robert K. Leidy, Anthony K. Stamper
  • Publication number: 20160072469
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed on a piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam formed above the piezoelectric substrate and at a location in which, upon actuation, the MEMS beam shorts the piezoelectric filter structure by contacting at least one of the plurality of electrodes.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 10, 2016
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Jeffrey P. GAMBINO, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Patent number: 9252733
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed on a piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam formed above the piezoelectric substrate and at a location in which, upon actuation, the MEMS beam shorts the piezoelectric filter structure by contacting at least one of the plurality of electrodes.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 2, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Patent number: 9225311
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are provided. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: December 29, 2015
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf
  • Publication number: 20150372660
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed to be in contact with at least one piezoelectric substrate. The method further includes forming a micro-electro-mechanical structure (MEMS) comprising a MEMS beam in which, upon actuation, the MEMS beam will turn on the at least one piezoelectric filter structure by interleaving electrodes in contact with the piezoelectric substrate or sandwiching the at least one piezoelectric substrate between the electrodes.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Publication number: 20150318839
    Abstract: Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure comprising a plurality of electrodes formed on a piezoelectric substrate. The method further includes forming a fixed electrode with a plurality of fingers on the piezoelectric substrate. The method further includes forming a moveable electrode with a plurality of fingers over the piezoelectric substrate. The method further includes forming actuators aligned with one or more of the plurality of fingers of the moveable electrode.
    Type: Application
    Filed: June 30, 2015
    Publication date: November 5, 2015
    Inventors: James W. ADKISSON, Panglijen CANDRA, Thomas J. DUNBAR, Jeffrey P. GAMBINO, Mark D. JAFFE, Anthony K. STAMPER, Randy L. WOLF
  • Publication number: 20150243879
    Abstract: A design structure for an integrated radio frequency (RF) filter on a backside of a semiconductor substrate includes: a device on a first side of a substrate; a radio frequency (RF) filter on a backside of the substrate; and at least one substrate conductor extending from the front side of the substrate to the backside of the substrate and electrically coupling the RF filter to the device.
    Type: Application
    Filed: May 14, 2015
    Publication date: August 27, 2015
    Inventors: James W. Adkisson, Panglijen Candra, Thomas J. Dunbar, Jeffrey P. Gambino, Mark D. Jaffe, Anthony K. Stamper, Randy L. Wolf