Patents Examined by José R. Díaz
  • Patent number: 11626506
    Abstract: A method includes removing a dummy gate to leave a trench between gate spacers, forming a gate dielectric extending into the trench, depositing a metal layer over the gate dielectric, with the metal layer including a portion extending into the trench, depositing a filling region into the trench, with the metal layer have a first and a second vertical portion on opposite sides of the filling region, etching back the metal layer, with the filling region at least recessed less than the metal layer, and remaining parts of the portion of the metal layer forming a gate electrode, depositing a dielectric material into the trench, and performing a planarization to remove excess portions of the dielectric material. A portion of the dielectric material in the trench forms at least a portion of a dielectric hard mask over the gate electrode.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: April 11, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Po-Chin Chang, Wei-Hao Wu, Li-Te Lin, Pinyen Lin
  • Patent number: 11626493
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate. The semiconductor device structure includes a gate stack over the substrate. The gate stack includes a gate dielectric layer, a first metal-containing layer, a silicon-containing layer, a second metal-containing layer, and a gate electrode layer sequentially stacked over the substrate. The silicon-containing layer is between the first metal-containing layer and the second metal-containing layer, and the silicon-containing layer is thinner than the second metal-containing layer.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: April 11, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsueh-Wen Tsau, Chun-I Wu, Ziwei Fang, Huang-Lin Chao, I-Ming Chang, Chung-Liang Cheng, Chih-Cheng Lin
  • Patent number: 11621278
    Abstract: A semiconductor memory device includes a conducting layer and an insulating layer that are disposed above a semiconductor substrate, a plurality of pillars that extend in a direction which crosses a surface of the semiconductor substrate, and a plate that is disposed between the plurality of pillars and extends in the same direction as the pillars. A surface of the plate, which faces the pillars, has convex portions and non-convex portions.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 4, 2023
    Assignee: Kioxia Corporation
    Inventors: Toshifumi Minami, Atsuhiro Sato, Keisuke Yonehama, Yasuyuki Baba, Hiroshi Shinohara, Hideyuki Kamata, Teppei Higashitsuji
  • Patent number: 11621337
    Abstract: A semiconductor device includes a substrate, a gate stack over the substrate, a channel layer over the gate stack, and a source/drain electrode. The gate stack includes a metal gate electrode, a ferroelectric layer, and a semiconducting oxide layer disposed between the ferroelectric layer and the metal gate electrode. The source/drain electrode is formed on the channel layer and disposed on sides of the gate stack.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Ying-Chih Chen, Blanka Magyari-Kope
  • Patent number: 11610933
    Abstract: Image sensors and methods of manufacturing image sensors are provided herein. In an embodiment, a method of manufacturing an image sensor includes forming a structure having a front side and a back side. The structure includes a semiconductor layer extending between the front side and the back side of the structure, and a capacitive insulation wall extending through the semiconductor layer between the front side and the back side of the structure. The capacitive insulation wall includes first and second insulating walls separated by a region of a conductive or semiconductor material. The method further includes selectively etching, from the back side of the structure, portions of the semiconductor layer and the region of conductive or semiconductor material, while retaining adjacent portions of the first and second insulating walls.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: March 21, 2023
    Assignee: STMicroelectronics (Crolles 2) SAS
    Inventors: Frederic Lalanne, Laurent Gay, Pascal Fonteneau, Yann Henrion, Francois Guyader
  • Patent number: 11611002
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to photodiodes and/or PIN diode structures and methods of manufacture. The structure includes: a spiral fin structure comprising semiconductor substrate material and dielectric material; a photosensitive semiconductor material over sidewalls and a top surface of the spiral fin structure, the photosensitive semiconductor material positioned to capture laterally emitted incident light; a doped semiconductor material above the photosensitive semiconductor material; and contacts electrically contacting the semiconductor substrate material and the doped semiconductor material from a top surface thereof.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: March 21, 2023
    Assignee: GLOBALFOUNDRIES U.S. INC.
    Inventors: Mark D. Levy, Edward W. Kiewra, Siva P. Adusumilli, John J. Ellis-Monaghan
  • Patent number: 11605741
    Abstract: Exemplary methods of forming a semiconductor structure may include forming a layer of metal on a semiconductor substrate. The layer of metal may extend along a first surface of the semiconductor substrate. The semiconductor substrate may be or include silicon. The methods may include performing an anneal to produce a metal silicide. The methods may include implanting ions in the metal silicide to increase a barrier height over 0.65 V.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 14, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Joshua S. Holt, Lan Yu, Tyler Sherwood, Archana Kumar, Nicolas Louis Gabriel Breil, Siddarth Krishnan
  • Patent number: 11605704
    Abstract: A capacitor array includes a substrate, first pedestal container stacked capacitors, second pedestal container stacked capacitors, and third pedestal container stacked capacitors. The first pedestal container stacked capacitors extend upwardly from above the substrate and are arranged in a first row. The second pedestal container stacked capacitors extend upwardly from above the substrate and are arranged in a second row next to the first row. The third pedestal container stacked capacitors extend upwardly from above the substrate and are arranged in a third row next to the second row. A first distance between the first and second rows is less than a second distance between the second and third rows.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: March 14, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Tsu Chieh Ai
  • Patent number: 11605778
    Abstract: A magnetic field magnetic field sensor and method of making the sensor. The sensor and method of making the sensor may comprise a material or structure that prevents the admission of light in certain wavelengths to enhance the stability of the magnetic field sensor over a period of time. The sensor and method of making the sensor may comprise an adsorption prevention layer which protects the semiconductor portion of the magnetic. The sensor may also comprise an insulating layer formed between semiconductor layers and a substrate layer.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: March 14, 2023
    Assignee: Lake Shore Cryotronics, Inc.
    Inventors: David Daughton, Patrick Gleeson, Bo-Kuai Lai, Daniel Hoy
  • Patent number: 11600513
    Abstract: A processing method of a wafer includes a modified layer forming step of positioning the focal point of a laser beam with a wavelength having transmissibility with respect to the wafer to the inside of a planned dividing line and executing irradiation along the planned dividing line to form modified layers inside and a water-soluble resin coating step of coating the front surface of the wafer with a water-soluble resin before or after the modified layer forming step. The processing method also includes a dividing step of expanding a dicing tape to divide the wafer into individual device chips together with the water-soluble resin with which the front surface of the wafer is coated and a modified layer removal step of executing plasma etching and removing the modified layers that remain at the side surfaces of the device chips in a state in which the dicing tape is expanded and the front surfaces of the individual device chips are coated with the water-soluble resin.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: March 7, 2023
    Assignee: DISCO CORPORATION
    Inventor: Masaru Nakamura
  • Patent number: 11600562
    Abstract: A semiconductor package includes an interposer, a die, a protective layer, a plurality of first electrical connectors and a first molding material. The die includes a first surface and a second surface opposite to the first surface, and the die is bonded to the interposer through the first surface. The protective layer is disposed on the second surface of the die. The first electrical connectors are disposed aside the die. The first molding material is disposed aside the die, the protection layer and the first electrical connectors.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: March 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shu-Jung Tseng, Fu-Jen Li
  • Patent number: 11574969
    Abstract: A thin film transistor array substrate having a pixel arrangement structure includes a first sub-pixel for displaying a first color and a second sub-pixel for displaying a second color alternately located in a first column, and a third sub-pixel for displaying a third color in a second column adjacent to the first column, and via holes of the first through third sub-pixels in a same row are at different positions.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Won-Se Lee
  • Patent number: 11569344
    Abstract: An integrated circuit device includes a capacitor structure, wherein the capacitor structure includes: a bottom electrode over a substrate; a supporter on a sidewall of the bottom electrode; a dielectric layer on the bottom electrode and the supporter; and a top electrode on the dielectric layer and covering the bottom electrode. The bottom electrode comprises: a base electrode layer over the substrate and extending in a first direction that is perpendicular to a top surface of the substrate, and a conductive capping layer including niobium nitride that is between a sidewall of the base electrode layer and the dielectric layer, and also between a top surface of the base electrode layer and the dielectric layer.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: January 31, 2023
    Inventors: Jungoo Kang, Hyunsuk Lee, Gihee Cho, Sanghyuck Ahn
  • Patent number: 11569341
    Abstract: Provided are dielectric thin-film structures and electronic devices including the same. The dielectric thin-film structure includes a substrate, and a dielectric layer provided on the substrate. The dielectric layer including a tetragonal crystal structure, and crystal grains including a proportion of the crystal grains preferentially oriented such that at least one of a <hk0>, <h00>, or <0k0> direction of a crystal lattice is parallel to or forms an angle of less than 45 degrees an out-of-plane orientation.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyangsook Lee, Junghwa Kim, Eunha Lee, Jeonggyu Song, Jooho Lee, Myoungho Jeong
  • Patent number: 11563091
    Abstract: A semiconductor device includes a substrate comprising a first material, a first major surface, and a second major surface opposite to the first major surface, the first material having a first coefficient of thermal expansion (CTE). A filled recessed structure having recesses extends into the substrate and has a pattern in a plan view. The recesses are spaced apart so that part of the substrate is interposed between each of the recesses, and a second material different than the first material is in the recesses. The second material has a second CTE. A structure is proximate to the first major surface over the filled recessed structure and has a third CTE. The third CTE and the second CTE are different than the first CTE. The filled recessed structure reduces stresses between the substrate and structure. In some examples, the structure comprises a MIM capacitor. In other examples, the structure comprises a heterojunction semiconductor material.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: January 24, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Gordon M. Grivna
  • Patent number: 11562937
    Abstract: A semiconductor package having a die with a sidewall protected by molding compound, and methods of forming the same are disclosed. The package includes a die with a first surface opposite a second surface and sidewalls extending between the first and second surfaces. A redistribution layer is formed on the first surface of each die. An area of the first surface of the die is greater than an area of the redistribution layer, such that a portion of the first surface of the die is exposed. When molding compound is formed over the die and the redistribution layer to form a semiconductor package, the molding compound is on the first surface of the die between an outer edge of the redistribution layer and an outer edge of the first surface. The molding compound is also on the sidewalls of the die, which provides protection against chipping or cracking during transport.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: January 24, 2023
    Assignee: STMICROELECTRONICS PTE LTD
    Inventors: Yun Liu, David Gani
  • Patent number: 11557669
    Abstract: A semiconductor device includes an enhancement mode high electron mobility transistor (HEMT) with an active region and an isolation region. The HEMT includes a substrate, a group III-V body layer, a group III-V barrier layer, recesses, a passivation layer and an etch mask layer. The group III-V body layer is disposed on the substrate. The group III-V barrier layer is disposed on the group III-V body layer in the active region and the isolation region. The recesses are disposed in the group III-V barrier layer in the active region and the isolation region, respectively. The passivation layer disposed in the recesses of the active region and the isolation region. The etch mask layer disposed between the passivation layer and the group III-V barrier layer in the active region, where the etch mask layer is spaced apart from bottoms of the recesses in the active region and the isolation region.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 17, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chun-Ming Chang, Wen-Jung Liao
  • Patent number: 11557645
    Abstract: The present invention provides a semiconductor memory device and a fabricating method thereof. The semiconductor memory device includes a substrate, a plurality of capacitors and a supporting layer disposed on the substrate, wherein each of the capacitors is connected with at least one of the adjacent capacitors through the supporting layer. Each of the capacitors includes first electrodes, a high-k dielectric layer and a second electrode, and the high-k dielectric layer is disposed between the first electrodes and the second electrode. Due to the supporting layer directly contacts the high-k dielectric layer through a surface thereof, and the high-k dielectric layer completely covers the surface, the second electrode may be formed directly within openings with an enlarged dimension. Accordingly, the process difficulty of performing the deposition and etching processes within the openings may be reduced, and the capacitance of the capacitors is further increased.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: January 17, 2023
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Pei-Ting Tsai, Yu-Cheng Tung, Tsuo-Wen Lu, Min-Teng Chen, Tsung-Wen Chen
  • Patent number: 11545543
    Abstract: Various embodiments of the present disclosure are directed towards a trench capacitor with a trench pattern for yield improvement. The trench capacitor is on a substrate and comprises a plurality of capacitor segments. The capacitor segments extend into the substrate according to the trench pattern and are spaced with a pitch on an axis. The plurality of capacitor segments comprises an edge capacitor segment at an edge of the trench capacitor and a center capacitor segment at a center of the trench capacitor. The edge capacitor segment has a greater width than the center capacitor segment and/or the pitch is greater at the edge capacitor segment than at the center capacitor segment. The greater width may facilitate stress absorption and the greater pitch may increase substrate rigidity at the edge of the trench capacitor where thermal expansion stress is greatest, thereby reducing substrate bending and trench burnout for yield improvements.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: January 3, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yuan-Sheng Huang, Yi-Chen Chen
  • Patent number: 11538900
    Abstract: A semiconductor device includes a landing pad and a capacitor disposed on and electrically connected to the landing pad. The capacitor includes a cylindrical bottom electrode, a dielectric layer and a top electrode. The cylindrical bottom electrode is disposed on an in contact with the landing pads, wherein an inner surface the cylindrical bottom electrode includes a plurality of protruding portions, and an outer surface of the cylindrical bottom electrode includes a plurality of concaved portions. The dielectric layer is conformally disposed on the inner surface and the outer surface of the cylindrical bottom electrode, and covering the protruding portions and the concaved portions. The top electrode is conformally disposed on the dielectric layer over the inner surface and the outer surface of the cylindrical bottom electrode.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: December 27, 2022
    Assignee: Winbond Electronics Corp.
    Inventor: Hiroyuki Takaba