Patents by Inventor Mingjiao Liu

Mingjiao Liu 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: 20240072008
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang ZHOU, Yusheng LIN, Mingjiao LIU
  • Patent number: 11670706
    Abstract: In a general aspect, method of producing an insulated-gate bipolar transistor (IGBT) device can include forming a termination structure in an inactive region. The inactive region at least partial surround an active region. The method can also include forming a trench extending along a longitudinal axis in the active region. A first mesa can define a first sidewall of the trench, and a second mesa can define a second sidewall of the trench. The first mesa and the second mesa can be parallel with the trench. The method can further include forming, in at least a portion of the first mesa, an active segment of the IGBT device, and, forming, in at least a portion of the second mesa, an inactive segment of the IGBT device.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: June 6, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Meng-Chia Lee, Ralph N. Wall, Mingjiao Liu, Shamsul Arefin Khan, Gordon M. Grivna
  • Patent number: 11233158
    Abstract: A device includes a first doped semiconductor region and a second oppositely doped semiconductor region that are separated by an undoped or lightly-doped semiconductor drift region. The device further includes a first electrode structure making an ohmic contact with the first doped semiconductor region, and a second electrode structure making a universal contact with the second doped semiconductor region. The universal contact of the second electrode structure allows flow of both electrons and holes into, and out of, the device.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 25, 2022
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Mingjiao Liu
  • Patent number: 11056581
    Abstract: In a general aspect, an insulated gate bipolar transistor (IGBT) device can include an active region, an inactive region and a trench extending along a longitudinal axis in the active region. The IGBT device can also include a first mesa defined by a first sidewall of the trench and in parallel with the trench and a second mesa defined by a second sidewall of the trench and in parallel with the trench. The first mesa can include at least one active segment of the IGBT device and the second mesa can include at least one inactive segment of the IGBT device.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: July 6, 2021
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Mingjiao Liu, Shamsul Arefin Khan, Gordon M. Grivna, Meng-Chia Lee, Ralph N. Wall
  • Patent number: 10930524
    Abstract: In accordance with an embodiment, a semiconductor component includes a support having a side in which a device receiving structure and an interconnect structure are formed and a side from which a plurality of leads extends. A semiconductor device having a control terminal and first and second current carrying terminals and configured from a III-N semiconductor material is mounted to the device receiving structure. A first electrical interconnect is coupled between the first current carrying terminal of the semiconductor device and a first lead. A second electrical interconnect is coupled between the control terminal of the semiconductor device and a second lead.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 23, 2021
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Chun-Li Liu, Ali Salih, Mingjiao Liu
  • Publication number: 20210050458
    Abstract: A device includes a first doped semiconductor region and a second oppositely doped semiconductor region that are separated by an undoped or lightly-doped semiconductor drift region. The device further includes a first electrode structure making an ohmic contact with the first doped semiconductor region, and a second electrode structure making a universal contact with the second doped semiconductor region. The universal contact of the second electrode structure allows flow of both electrons and holes into, and out of, the device.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 18, 2021
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Mingjiao LIU
  • Publication number: 20200350424
    Abstract: In a general aspect, method of producing an insulated-gate bipolar transistor (IGBT) device can include forming a termination structure in an inactive region. The inactive region at least partial surround an active region. The method can also include forming a trench extending along a longitudinal axis in the active region. A first mesa can define a first sidewall of the trench, and a second mesa can define a second sidewall of the trench. The first mesa and the second mesa can be parallel with the trench. The method can further include forming, in at least a portion of the first mesa, an active segment of the IGBT device, and, forming, in at least a portion of the second mesa, an inactive segment of the IGBT device.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Meng-Chia LEE, Ralph N. WALL, Mingjiao LIU, Shamsul Arefin KHAN, Gordon M. GRIVNA
  • Patent number: 10727326
    Abstract: In a general aspect, an insulated gate bipolar transistor (IGBT) device can include an active region, an inactive region and a trench extending along a longitudinal axis in the active region. The IGBT can also include a first mesa defining a first sidewall of the trench and in parallel with the trench and a second mesa defining a second sidewall of the trench and in parallel with the trench. At least a portion of the first mesa can include an active segment of the IGBT device, and at least a portion of the second mesa can include an inactive segment of the IGBT device.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: July 28, 2020
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Meng-Chia Lee, Ralph N. Wall, Mingjiao Liu, Shamsul Arefin Khan, Gordon M. Grivna
  • Patent number: 10438932
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: October 8, 2019
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang Zhou, Yusheng Lin, Mingjiao Liu
  • Publication number: 20190267252
    Abstract: In accordance with an embodiment, a semiconductor component includes a support having a side in which a device receiving structure and an interconnect structure are formed and a side from which a plurality of leads extends. A semiconductor device having a control terminal and first and second current carrying terminals and configured from a III-N semiconductor material is mounted to the device receiving structure. A first electrical interconnect is coupled between the first current carrying terminal of the semiconductor device and a first lead. A second electrical interconnect is coupled between the control terminal of the semiconductor device and a second lead.
    Type: Application
    Filed: May 8, 2019
    Publication date: August 29, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Chun-Li LIU, Ali SALIH, Mingjiao LIU
  • Patent number: 10388539
    Abstract: In accordance with an embodiment, a semiconductor component includes a support having a side in which a device receiving structure and an interconnect structure are formed and a side from which a plurality of leads extends. A semiconductor device having a control terminal and first and second current carrying terminals and configured from a III-N semiconductor material is mounted to the device receiving structure. The control terminal of the first electrical interconnect is coupled to a first lead by a first electrical interconnect. A second electrical interconnect is coupled between the first current carrying terminal of the semiconductor device and a second lead. The second current carrying terminal of the first semiconductor device is coupled to the device receiving structure or to the interconnect structure.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: August 20, 2019
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Chun-Li Liu, Ali Salih, Mingjiao Liu
  • Publication number: 20190058056
    Abstract: In a general aspect, an insulated gate bipolar transistor (IGBT) device can include an active region, an inactive region and a trench extending along a longitudinal axis in the active region. The IGBT device can also include a first mesa defined by a first sidewall of the trench and in parallel with the trench and a second mesa defined by a second sidewall of the trench and in parallel with the trench. The first mesa can include at least one active segment of the IGBT device and the second mesa can include at least one inactive segment of the IGBT device.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 21, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Mingjiao Liu, Shamsul Arefin Khan, Gordon M. Grivna, Meng-Chia Lee, Ralph N. Wall
  • Publication number: 20190058055
    Abstract: In a general aspect, an insulated gate bipolar transistor (IGBT) device can include an active region, an inactive region and a trench extending along a longitudinal axis in the active region. The IGBT can also include a first mesa defining a first sidewall of the trench and in parallel with the trench and a second mesa defining a second sidewall of the trench and in parallel with the trench. At least a portion of the first mesa can include an active segment of the IGBT device, and at least a portion of the second mesa can include an inactive segment of the IGBT device.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 21, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Meng-Chia LEE, Ralph N. WALL, Mingjiao LIU, Shamsul Arefin KHAN, Gordon M. GRIVNA
  • Patent number: 10177232
    Abstract: A Schottky device includes a plurality of mesa structures where one or more of the mesa structures includes a doped region having a multi-concentration dopant profile. In accordance with an embodiment, the Schottky device is formed from a semiconductor material of a first conductivity type. Trenches having sidewalls and floors are formed in the semiconductor material to form a plurality of mesa structures. A doped region having a multi-concentration impurity profile is formed between two trenches, where the impurity materials of the doped region having the multi-concentration impurity profile are of a second conductivity type. A Schottky contact is formed to at least one of the mesa structures having the doped region with the multi-concentration impurity profile.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: January 8, 2019
    Assignee: Semiconductor Components Industries, LLC
    Inventors: Mohammed Tanvir Quddus, Mihir Mudholkar, Mingjiao Liu, Michael Thomason
  • Patent number: 10163764
    Abstract: A semiconductor component includes a support having a lead integrally formed thereto. An insulated metal substrate is mounted to a surface of the support and a semiconductor chip is mounted to the insulated metal substrate. A III-N based semiconductor chip is mounted to the insulated metal substrate, where the III-N based semiconductor chip has a gate bond pad, a drain bond pad, and a source bond pad. A silicon based semiconductor chip is mounted to the III-N based semiconductor chip. In accordance with an embodiment the silicon based semiconductor chip includes a device having a gate bond pad, a drain bond pad, and a source bond pad. The drain bond pad of the III-N based semiconductor chip may be bonded to the substrate or to a lead. In accordance with another embodiment, the silicon based semiconductor chip is a diode.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: December 25, 2018
    Assignee: Semiconductor Components Industries, LLC
    Inventors: Chun-Li Liu, Ali Salih, Balaji Padmanabhan, Mingjiao Liu
  • Publication number: 20180240786
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 23, 2018
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang ZHOU, Yusheng LIN, Mingjiao LIU
  • Publication number: 20180233491
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 16, 2018
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang ZHOU, Yusheng LIN, Mingjiao LIU
  • Patent number: 9972607
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: May 15, 2018
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang Zhou, Yusheng Lin, Mingjiao Liu
  • Publication number: 20180040593
    Abstract: A semiconductor device has an interposer including a plurality of conductive vias formed through the interposer. A first semiconductor die is disposed over the interposer. A second semiconductor die is disposed over a first substrate. The first semiconductor die and second semiconductor die are power semiconductor devices. The interposer is disposed over the second semiconductor die opposite the first substrate. A second substrate is disposed over the first semiconductor die opposite the interposer. The first substrate and second substrate provide heat dissipation from the first semiconductor die and second semiconductor die from opposite sides of the semiconductor device. A plurality of first and second interconnect pads is formed in a pattern over the first semiconductor die and second semiconductor die. The second interconnect pads have a different area than the first interconnect pads to aid with alignment when stacking the assembly.
    Type: Application
    Filed: August 8, 2016
    Publication date: February 8, 2018
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jinchang ZHOU, Yusheng LIN, Mingjiao LIU
  • Publication number: 20180005927
    Abstract: A semiconductor component includes a support having a lead integrally formed thereto. An insulated metal substrate is mounted to a surface of the support and a semiconductor chip is mounted to the insulated metal substrate. A III-N based semiconductor chip is mounted to the insulated metal substrate, where the III-N based semiconductor chip has a gate bond pad, a drain bond pad, and a source bond pad. A silicon based semiconductor chip is mounted to the III-N based semiconductor chip. In accordance with an embodiment the silicon based semiconductor chip includes a device having a gate bond pad, a drain bond pad, and a source bond pad. The drain bond pad of the III-N based semiconductor chip may be bonded to the substrate or to a lead. In accordance with another embodiment, the silicon based semiconductor chip is a diode.
    Type: Application
    Filed: August 30, 2017
    Publication date: January 4, 2018
    Applicant: Semiconductor Components Industries, LLC
    Inventors: Chun-Li Liu, Ali Salih, Balaji Padmanabhan, Mingjiao Liu