Patents Examined by Vincent Wall
  • Patent number: 11749790
    Abstract: A device may include a substrate having a first embedded transistor in a first region and a second embedded transistor in a second region. The first region and the second region may be separated by trench extending through at least a portion of an epitaxial layer formed on the substrate. The first embedded transistor may be connected to a first light emitting diode (LED) and the second embedded transistor may be connected to a second LED. A first optical isolation layer may be between the epitaxial layer and the first region of the substrate. A second optical isolation layer may be between the epitaxial layer and the second region of the substrate.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 5, 2023
    Assignee: Lumileds LLC
    Inventors: Ashish Tandon, Luke Gordon, Yu-Chen Shen
  • Patent number: 11728378
    Abstract: The present specification discloses a semiconductor device and a method for manufacturing same.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: August 15, 2023
    Assignees: Semiconductor Manufacturing International (Beijing) Corporation, Semiconductor Manufacturing International (Shanghai) Corporation
    Inventor: Poren Tang
  • Patent number: 11729986
    Abstract: A ferroelectric memory device includes a multi-layer stack, a channel layer, a ferroelectric layer and oxygen scavenging layers. The multi-layer stack is disposed on a substrate and includes a plurality of conductive layers and a plurality of dielectric layers stacked alternately. The channel layer penetrates through the plurality of conductive layers and the plurality of dielectric layers. The ferroelectric layer is disposed between the channel layer and both of the plurality of conductive layers and the plurality of dielectric layers. The oxygen scavenging layers are disposed along sidewalls of the plurality of conductive layer. The plurality of oxygen scavenging layers laterally separate the ferroelectric layer from the plurality of conductive layers.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: August 15, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Chieh Lu, Sai-Hooi Yeong, Bo-Feng Young, Yu-Ming Lin, Chih-Yu Chang
  • Patent number: 11728336
    Abstract: Embodiments are provided for a capacitive array including: a first row of alternating first fingers and second fingers formed in a first conductive layer, wherein each first and second finger has a uniform width in a first direction and a uniform length in a second direction perpendicular to the first direction, the first row of alternating first and second fingers include a same integer number of first fingers and second fingers, and the first and second fingers are interdigitated in the first direction; and a first compensation finger formed in the first conductive layer at an end of the first row of alternating first and second fingers nearest a first outer boundary of the capacitive array, the first compensation finger configured to have an opposite polarity as a neighboring finger on the end of the first row.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: August 15, 2023
    Assignee: NXP USA, Inc.
    Inventors: Robert S. Jones, III, Xiankun Jin
  • Patent number: 11728393
    Abstract: An object is to provide a technology that can enhance electrical characteristics of a semiconductor device. A semiconductor device is a semiconductor device provided with a semiconductor element. The semiconductor device includes: an n-type single-crystal gallium oxide layer including a first main surface; an electrode disposed on the first main surface of the n-type single-crystal gallium oxide layer or above the first main surface, the electrode being an electrode of the semiconductor element; a p-type oxide semiconductor layer disposed between the n-type single-crystal gallium oxide layer and the electrode; and an amorphous gallium oxide layer disposed between the n-type single-crystal gallium oxide layer and the p-type oxide semiconductor layer.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 15, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yohei Yuda, Tatsuro Watahiki
  • Patent number: 11715774
    Abstract: A vertical gallium oxide (Ga2O3) device having a substrate, an n-type Ga2O3 drift layer on the substrate, an, n-type semiconducting channel extending from the n-type Ga2O3 drift layer, the channel being one of fin-shaped or nanowire shaped, an n-type source layer disposed on the channel; the source layer has a higher doping concentration than the channel, a first dielectric layer on the n-type Ga2O3 drift layer and on sidewalls of the n-type semiconducting channel, a conductive gate layer deposited on the first dielectric layer and insulated from the n-type source layer, n-type semiconducting channel as well as n-type Ga2O3 drift layer, a second dielectric layer deposited over the conductive gate layer, covering completely the conductive gate layer on channel sidewalls and an ohmic source contact deposited over the n-type source layer and over at least a part of the second dielectric layer; the source contact being configured not to be in electrical contact with the conductive gate layer.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: August 1, 2023
    Assignee: Cornell University
    Inventors: Zongyang Hu, Kazuki Nomoto, Grace Huili Xing, Debdeep Jena, Wenshen Li
  • Patent number: 11716856
    Abstract: A memory cell includes patterning a first trench extending through a first conductive line, depositing a memory film along sidewalls and a bottom surface of the first trench, depositing a channel layer over the memory film, the channel layer extending along the sidewalls and the bottom surface of the first trench, depositing a first dielectric layer over and contacting the channel layer to fill the first trench, patterning a first opening, wherein patterning the first opening comprises etching the first dielectric layer, depositing a gate dielectric layer in the first opening, and depositing a gate electrode over the gate dielectric layer and in the first opening, the gate electrode being surrounded by the gate dielectric layer.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: August 1, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Bo-Feng Young, Meng-Han Lin, Chih-Yu Chang, Sai-Hooi Yeong, Yu-Ming Lin
  • Patent number: 11710760
    Abstract: One embodiment of the present invention is a display device including a first insulating layer, a second insulating layer, a first transistor, a second transistor, a first light-emitting diode, a second light-emitting diode, and a color conversion layer. The first insulating layer is over the first transistor and the second transistor. The first light-emitting diode and the second light-emitting diode are over the first insulating layer. The color conversion layer is over the second light-emitting diode. The color conversion layer is configured to convert light emitted from the second light-emitting diode into a light having a longer wavelength. The first transistor and the second transistor each include a metal oxide layer and a gate electrode. The metal oxide layer includes a channel formation region. A top surface of the gate electrode is level or substantially level with a top surface of the second insulating layer.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: July 25, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Koji Kusunoki, Shingo Eguchi, Takayuki Ikeda
  • Patent number: 11710638
    Abstract: Generally, the present disclosure provides example embodiments relating to formation of a gate structure of a device, such as in a replacement gate process, and the device formed thereby. In an example method, a gate dielectric layer is formed over an active area on a substrate. A dummy layer that contains a passivating species (such as fluorine) is formed over the gate dielectric layer. A thermal process is performed to drive the passivating species from the dummy layer into the gate dielectric layer. The dummy layer is removed. A metal gate electrode is formed over the gate dielectric layer. The gate dielectric layer includes the passivating species before the metal gate electrode is formed.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: July 25, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsiao-Kuan Wei, Hsien-Ming Lee, Chin-You Hsu, Hsin-Yun Hsu, Pin-Hsuan Yeh
  • Patent number: 11710789
    Abstract: Disclosed are semiconductor devices including a double gate metal oxide semiconductor (MOS) transistor and methods for fabricating the same. The double gate MOS transistor includes a first back gate, a second back gate, and a first dielectric layer disposed on the first back gate and on the second back gate. An MX2 material layer is disposed on the first dielectric layer, a second dielectric layer disposed on the MX2 material layer, and a work function metal (WFM) is disposed on the second dielectric layer. A front gate is disposed on the WFM, which fills a space between the first back gate and the second back.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: July 25, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Xia Li, Bin Yang, Junjing Bao
  • Patent number: 11705516
    Abstract: The present disclosure relates a ferroelectric field-effect transistor (FeFET) device. The FeFET device includes a ferroelectric structure having a first side and a second side. A gate structure is disposed along the first side of the ferroelectric structure, and an oxide semiconductor is disposed along the second side of the ferroelectric structure. The oxide semiconductor has a first semiconductor type. A source region and a drain region are disposed on the oxide semiconductor. The gate structure is laterally between the source region and the drain region. A polarization enhancement structure is arranged on the oxide semiconductor between the source region and the drain region. The polarization enhancement structure includes a semiconductor material or an oxide semiconductor material having a second semiconductor type that is different than the first semiconductor type.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: July 18, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Yu Chang, Mauricio Manfrini, Hung Wei Li, Yu-Ming Lin
  • Patent number: 11705524
    Abstract: A semiconductor device with high on-state current and high reliability is provided. The semiconductor device includes first to fifth insulators, first to third oxides, and first to fourth conductors; the fifth insulator includes an opening in which the second oxide is exposed; the third oxide is placed in contact with a bottom portion of the opening and a side portion of the opening; the second insulator is placed in contact with the third oxide; the third conductor is provided in contact with the second insulator; the third insulator is placed in contact with a top surface of the third conductor and the second insulator; and the fourth conductor is in contact with the third insulator and the top surface of the third conductor and placed in the opening.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: July 18, 2023
    Inventors: Tetsuya Kakehata, Yuta Endo
  • Patent number: 11705489
    Abstract: A heterostructure, includes: a substrate; and a buffer layer that includes a plurality of layers having a composition AlxInyGa1-x-yN, where x?1 and y?0; wherein the buffer layer has a first region that includes at least two layers, a second region that includes at least two layers, and a third region that includes at least two layers.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 18, 2023
    Assignee: GlobalWafers Co., Ltd.
    Inventors: Jia-Zhe Liu, Yen Lun Huang, Chih-Yuan Chuang, Che Ming Liu, Wen-Ching Hsu, Manhsuan Lin
  • Patent number: 11695073
    Abstract: A memory cell includes a thin film transistor over a semiconductor substrate. The thin film transistor comprising: a ferroelectric (FE) material contacting a word line, the FE material being a hafnium-comprising compound, and the hafnium-comprising compound comprising a rare earth metal; and an oxide semiconductor (OS) layer contacting a source line and a bit line, wherein the FE material is disposed between the OS layer and the word line.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: July 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chun-Chieh Lu, Sai-Hooi Yeong, Bo-Feng Young, Yu-Ming Lin, Chih-Yu Chang
  • Patent number: 11696453
    Abstract: A device structure includes at least one selector device. Each selector device includes a vertical stack including, from bottom to top, a bottom electrode, a metal oxide semiconductor channel layer, and a top electrode and located over a substrate, a gate dielectric layer contacting sidewalls of the bottom electrode, the metal oxide semiconductor channel layer, and the top electrode, and a gate electrode formed within the gate dielectric layer and having a top surface that is coplanar with a top surface of the top electrode. Each top electrode or each bottom electrode of the at least one selector device may be contacted by a respective nonvolatile memory element to provide a one-selector one-resistor memory cell.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: July 4, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Yong-Jie Wu, Yen-Chung Ho, Pin-Cheng Hsu, Mauricio Manfrini, Chung-Te Lin
  • Patent number: 11688803
    Abstract: A semiconductor device includes first and second electrodes; a semiconductor part between the first and second electrodes; a control electrode and a third electrode in a trench between the semiconductor part and the second electrode. The device further includes a first insulating part insulating the control electrode from the semiconductor part; a second insulating part insulating the third electrode from the semiconductor part; and a third insulating part insulating the third electrode from the control electrode. The second insulating part includes first and second insulating films and a portion of a third insulating film. The first insulating film is provided between the semiconductor part and the third electrode. The second insulating film is provided between the first insulating film and the third electrode. The third insulating film includes the portion between the first insulating film and the second insulating film, and another portion inside the third insulating part.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: June 27, 2023
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Kouta Tomita, Hiroaki Katou
  • Patent number: 11682677
    Abstract: A region containing a high proportion of crystal components and a region containing a high proportion of amorphous components are formed separately in one oxide semiconductor film. The region containing a high proportion of crystal components is formed so as to serve as a channel formation region and the other region is formed so as to contain a high proportion of amorphous components. It is preferable that an oxide semiconductor film in which a region containing a high proportion of crystal components and a region containing a high proportion of amorphous components are mixed in a self-aligned manner be formed. To separately form the regions which differ in crystallinity in the oxide semiconductor film, first, an oxide semiconductor film containing a high proportion of crystal components is formed and then process for performing amorphization on part of the oxide semiconductor film is conducted.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: June 20, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 11676825
    Abstract: A semiconductor chip has a first transistor that amplifies a first signal and outputs a second signal, a second transistor that amplifies the second signal and outputs a third signal, and a semiconductor substrate having a main surface parallel to a plane defined by first and second directions and which has the first and second transistors formed thereon. The main surface has thereon a first bump connected to a collector or drain of the first transistor, a second bump connected to an emitter or source of the first transistor, a third bump connected to a collector or drain of the second transistor, and a fourth bump connected to an emitter or source of the second transistor. The first bump is circular, the second through fourth bumps are rectangular or oval, and the area of each of the second through fourth bumps is larger than that of the first bump.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: June 13, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Kenichi Shimamoto
  • Patent number: 11676911
    Abstract: A semiconductor device has a substrate. A conductive layer is formed over the substrate and includes a ground plane. A first tab of the conductive layer extends from the ground plane and less than half-way across a saw street of the substrate. A shape of the first tab can include elliptical, triangular, parallelogram, or rectangular portions, or any combination thereof. An encapsulant is deposited over the substrate. The encapsulant and substrate are singulated through the saw street. An electromagnetic interference (EMI) shielding layer is formed over the encapsulant. The EMI shielding layer contacts the first tab of the conductive layer.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: June 13, 2023
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: HunTeak Lee, Deokkyung Yang, HeeSoo Lee
  • Patent number: 11670693
    Abstract: In a general aspect, a field-effect transistor (FET) can include a semiconductor region, and a trench disposed in the semiconductor region. The FET can also include a trench gate disposed in an upper portion of the trench in an active region of the FET. The FET can further include a conductive runner disposed in a bottom portion of the trench. The conductive runner can be electrically coupled with a drain terminal of the FET. A portion of the conductive runner can be disposed in the active region below the trench gate.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: June 6, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Mitsuru Soma