Patents by Inventor Michael LeFevre

Michael LeFevre 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: 11936342
    Abstract: A semiconductor device package includes a plurality of input leads and an output lead, a plurality of transistor amplifier dies having inputs respectively coupled to the plurality of input leads, and a combination circuit configured to combine output signals received from the plurality of transistor amplifier dies and output a combined signal to the output lead.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 19, 2024
    Assignee: MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
    Inventors: Marvin Marbell, Jonathan Chang, Haedong Jang, Qianli Mu, Michael LeFevre, Jeremy Fisher, Basim Noori
  • Patent number: 11552597
    Abstract: An amplifier includes an input matching network; at least one transistor; an input lead coupled to the at least one transistor; a ground terminal coupled to the transistor; an output lead coupled to the at least one transistor; an output matching circuit coupled to the output lead and to the at least one transistor; and a baseband impedance enhancement circuit having at least one reactive element coupled to the input matching network. The baseband impedance enhancement circuit is configured to reduce resonances of a baseband termination.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: January 10, 2023
    Assignee: WOLFSPEED, INC.
    Inventors: Richard Wilson, Marvin Marbell, Michael LeFevre
  • Publication number: 20220360230
    Abstract: A semiconductor device package includes a plurality of input leads and an output lead, a plurality of transistor amplifier dies having inputs respectively coupled to the plurality of input leads, and a combination circuit configured to combine output signals received from the plurality of transistor amplifier dies and output a combined signal to the output lead.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Inventors: Marvin Marbell, Jonathan Chang, Haedong Jang, Qianli Mu, Michael LeFevre, Jeremy Fisher, Basim Noori
  • Publication number: 20210384866
    Abstract: An amplifier includes an input matching network; at least one transistor; an input lead coupled to the at least one transistor; a ground terminal coupled to the transistor; an output lead coupled to the at least one transistor; an output matching circuit coupled to the output lead and to the at least one transistor; and a baseband impedance enhancement circuit having at least one reactive element coupled to the input matching network. The baseband impedance enhancement circuit is configured to reduce resonances of a baseband termination.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 9, 2021
    Inventors: Richard Wilson, Marvin Marbell, Michael LeFevre
  • Publication number: 20210233877
    Abstract: A multi-die package includes a thermally conductive flange, a first semiconductor die made of a first semiconductor material attached to the thermally conductive flange via a first die attach material, a second semiconductor die attached to the same thermally conductive flange as the first semiconductor die via a second die attach material, and leads attached to the thermally conductive flange or to an insulating member secured to the flange. The leads are configured to provide external electrical access to the first and second semiconductor dies. The second semiconductor die is made of a second semiconductor material different than the first semiconductor material. Additional multi-die package embodiments are described.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Inventors: Xikun ZHANG, Dejiang CHANG, Bill AGAR, Michael LEFEVRE, Alexander KOMPOSCH
  • Patent number: 11004808
    Abstract: A multi-die package includes a thermally conductive flange, a first semiconductor die made of a first semiconductor material attached to the thermally conductive flange via a first die attach material, a second semiconductor die attached to the same thermally conductive flange as the first semiconductor die via a second die attach material, and leads attached to the thermally conductive flange or to an insulating member secured to the flange. The leads are configured to provide external electrical access to the first and second semiconductor dies. The second semiconductor die is made of a second semiconductor material different than the first semiconductor material. Additional multi-die package embodiments are described.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: May 11, 2021
    Assignee: CREE, INC.
    Inventors: Xikun Zhang, Dejiang Chang, Bill Agar, Michael Lefevre, Alexander Komposch
  • Publication number: 20180254253
    Abstract: A multi-die package includes a thermally conductive flange, a first semiconductor die made of a first semiconductor material attached to the thermally conductive flange via a first die attach material, a second semiconductor die attached to the same thermally conductive flange as the first semiconductor die via a second die attach material, and leads attached to the thermally conductive flange or to an insulating member secured to the flange. The leads are configured to provide external electrical access to the first and second semiconductor dies. The second semiconductor die is made of a second semiconductor material different than the first semiconductor material. Additional multi-die package embodiments are described.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventors: Xikun Zhang, Dejiang Chang, Bill Agar, Michael Lefevre, Alexander Komposch
  • Patent number: 9997476
    Abstract: A multi-die package is manufactured by attaching a first semiconductor die made of a first semiconductor material to a thermally conductive flange via a first die attach material, and attaching a second semiconductor die to the same thermally conductive flange as the first semiconductor die via a second die attach material. The second semiconductor die is made of a second semiconductor material different than the first semiconductor material. The first semiconductor die is held in place by the first die attach material during attachment of the second semiconductor die to the flange. Leads are attached to the thermally conductive flange or to an insulating member secured to the flange. The leads provide external electrical access to the first and second semiconductor dies.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: June 12, 2018
    Assignee: Infineon Technologies AG
    Inventors: Xikun Zhang, Dejiang Chang, Bill Agar, Michael Lefevre, Alexander Komposch
  • Publication number: 20170125362
    Abstract: A multi-die package is manufactured by attaching a first semiconductor die made of a first semiconductor material to a thermally conductive flange via a first die attach material, and attaching a second semiconductor die to the same thermally conductive flange as the first semiconductor die via a second die attach material. The second semiconductor die is made of a second semiconductor material different than the first semiconductor material. The first semiconductor die is held in place by the first die attach material during attachment of the second semiconductor die to the flange. Leads are attached to the thermally conductive flange or to an insulating member secured to the flange. The leads provide external electrical access to the first and second semiconductor dies.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 4, 2017
    Inventors: Xikun Zhang, Dejiang Chang, Bill Agar, Michael Lefevre, Alexander Komposch
  • Publication number: 20070207504
    Abstract: The present invention includes method for identifying, differentiating and distinguishing undifferentiated adipose-derived adult stem cells and differentiated adipose-derived adult stem cells using the proteomic profile of an adipose cell.
    Type: Application
    Filed: March 6, 2006
    Publication date: September 6, 2007
    Inventors: Jeffrey M. Gimble, Michael Lefevre, James P. DeLany
  • Patent number: 5622293
    Abstract: A container for liquids formed of a flexible tubular member which has a pair of ends. The ends are connectable to form a loop. One of the ends has an opening to permit access to the liquid carried in the container.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: April 22, 1997
    Inventor: Michael LeFevre