Patents Examined by Jacob T Nelson
  • Patent number: 12295142
    Abstract: An integrated circuit device according to the inventive concept includes: a semiconductor substrate including a cell region and a connection region; a gate stack including a plurality of gate electrodes and a plurality of insulating layers extending on a main surface of the semiconductor substrate in a horizontal direction and alternately stacked thereon in a vertical direction, the gate stack having a stair structure in the connection region; and a plurality of contact plugs in the connection region, wherein, in a portion of the connection region, a first length, in the horizontal direction, of a first gate electrode that is located in the lowest layer among the plurality of gate electrodes is less than a second length, in the horizontal direction, of a second gate electrode that is located above the first gate electrode.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: May 6, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjin Jung, Sora Kim, Haeli Park, Kwuiyeon Yu, Janggn Yun
  • Patent number: 12279433
    Abstract: A semiconductor device includes a cell region and a peripheral circuit region. The cell region includes gate electrode layers stacked on a substrate, channel structures extending in a first direction, extending through the gate electrode layers, and connected to the substrate, and bit lines extending in a second direction and connected to the channel structures above the gate electrode layers. The peripheral circuit region includes page buffers connected to the bit lines. Each page buffer includes a first and second elements adjacent to each other in the second direction and sharing a common active region between a first gate structure of the first element and a second gate structure of the second element in the second direction. Boundaries of the common active region include an oblique boundary extending in an oblique direction forming an angle between 0 and 90 degrees with the second direction.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: April 15, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changbum Kim, Sunghoon Kim
  • Patent number: 12278245
    Abstract: A display device with a novel structure is provided. The display device includes a first substrate provided with a plurality of pixels including a display element, and a second substrate including a first conductive layer provided with a plurality of first openings. The first conductive layer has a function of an antenna capable of transmitting and receiving a radio signal. The pixel and the first opening include a region where the pixel and the first opening overlap with each other. The second substrate includes an element layer. The element layer includes a transistor. The transistor has a function of an amplifier capable of amplifying the radio signal. The transistor each includes a semiconductor layer including a metal oxide in a channel formation region. The metal oxide contains In, Ga, and Zn.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: April 15, 2025
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takayuki Ikeda, Hitoshi Kunitake, Koji Kusunoki, Yoshiaki Oikawa, Shunpei Yamazaki
  • Patent number: 12278318
    Abstract: A component comprising a structural element, a leadframe and a shaped body, in which component the structural element and the leadframe are enclosed at least in regions by the shaped body in lateral directions and the leadframe does not project beyond side faces of the shaped body. The leadframe has at least one first subregion and at least one second subregion which is laterally spaced apart from the first subregion, wherein the structural element is electrically conductively connected to the second subregion by a planar contact structure. Furthermore, the structural element is arranged, in plan view, on the first subregion and projects laterally beyond the first subregion at least in regions, so that the structural element and the first subregion form an anchoring structure at which the structural element and the first subregion are anchored to the shaped body. Further specified is a method for producing such a component.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 15, 2025
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Thomas Schwarz
  • Patent number: 12272645
    Abstract: Embodiments of three-dimensional memory devices and fabricating methods thereof are disclosed. One disclosed method for forming a memory structure comprises: forming a bottom conductive layer on a substrate; forming a dielectric stack on the bottom conductive layer, the dielectric stack comprising a plurality of alternatively arranged first dielectric layers and second dielectric layers; forming an opening penetrating the dielectric stack and exposing the bottom conductive layer; forming a cap layer on a bottom of the opening; forming a cylindrical body and a top contact on the cap layer and in the opening; and replacing the plurality of second dielectric layers with conductive layers.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: April 8, 2025
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Lei Liu, Yuancheng Yang, Wenxi Zhou, Kun Zhang, Di Wang, Tao Yang, Dongxue Zhao, Zhiliang Xia, Zongliang Huo
  • Patent number: 12272615
    Abstract: In a general aspect, a semiconductor device assembly includes a direct-bonded-metal (DBM) substrate having a ceramic layer, and a first metal layer having a uniform thickness that is disposed on a first surface of the DBM substrate. The assembly further includes a second metal layer disposed on a second surface of the DBM substrate opposite the first surface. The second metal layer includes a first portion having a first thickness, and a second portion having a second thickness, the second thickness being greater than the first thickness. The second portion of the second metal layer includes a metal alloy having a coefficient of thermal expansion (CTE) in a range of 7 to 11 parts-per-million per degrees Celsius (ppm/° C.). The assembly also includes a semiconductor die having a first surface coupled with the second portion of the second metal layer.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: April 8, 2025
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Seungwon Im, Oseob Jeon
  • Patent number: 12255097
    Abstract: A method of dicing a wafer includes positioning the wafer with its top side on a tape material. The wafer includes a plurality of die separated by scribe streets. A first pass being a first infrared (IR) laser beam is directed at the bottom side with a point of entry within the scribe streets. The first IR laser beam is focused with a focus point embedded within a thickness of the wafer, and has parameters selected to form an embedded crack line within the wafer. The embedded crack line does not reach the top side surface. A second pass being a second IR laser beam is directed at the bottom side having parameters selected to form a second crack line that that has a spacing relative to the embedded crack line, and the second IR laser beam causes the embedded crack line to be extended to the top side surface.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: March 18, 2025
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Yang Liu, Hao Zhang, Venkataramanan Kalyanaraman, Joseph O Liu, Qing Ran, Yuan Zhang, Gelline Joyce Untalan Vargas, Jeniffer Otero Aspuria
  • Patent number: 12249633
    Abstract: A problem to be solved is to reduce a leakage current between the gate and the source. Provided is a trench type FFT, where a thickness ?1 of an oxide insulating layer O1 that is closer to the inner side than a line extending upward from the outer peripheral side of a nitride insulating layer N is ½ of a thickness d of the nitride insulating layer N or more; and a thickness ?2 of an oxide insulating layer O3 between the upper end of the nitride insulating layer N and a gate region is ½ of the thickness d of the nitride insulating layer N or more.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: March 11, 2025
    Assignee: WILL SEMICONDUCTOR (SHANGHAI) CO. LTD.
    Inventors: Nobuyuki Shirai, Nobuyoshi Matsuura
  • Patent number: 12249549
    Abstract: An encapsulation hood is fastened onto electrically conductive zones of a support substrate using springs. Each spring has a region in contact with an electrically conductive path contained in the encapsulation hood and another region in contact with a corresponding one of the electrically conductive zones. The fastening of the part of the encapsulation hood onto the support substrate compresses the springs and further utilizes a bead of insulating glue located between the compressed springs.
    Type: Grant
    Filed: April 9, 2024
    Date of Patent: March 11, 2025
    Assignee: STMicroelectronics (Grenoble 2) SAS
    Inventor: Jerome Lopez
  • Patent number: 12243939
    Abstract: Described examples include an integrated circuit having a transistor with a first gate on a first gate insulating layer. The transistor also has second gate separated from the first gate by a gate gap. The integrated circuit also includes a channel well at the gate gap extending under the first gate and the second gate. The transistor has a first source in the channel adjacent to an edge of the first gate. The transistor having a second source formed in the channel adjacent to an edge of the second gate separated from the first source by a channel gap. The transistor has at least one back-gate contact, the at least one back-gate contact separated from the first gate by a first back-gate contact gap and separated from the second gate by a second back-gate contact gap.
    Type: Grant
    Filed: October 31, 2021
    Date of Patent: March 4, 2025
    Assignee: Texas Instruments Incorporated
    Inventors: Gang Xue, Pushpa Mahalingam, Alexei Sadovnikov
  • Patent number: 12237296
    Abstract: A system for laser bonding of flip chip, and more particularly, to a system for laser bonding of flip chip for bonding a flip chip-type semiconductor chip to a substrate by using a laser beam is provided. According to the system for laser bonding of flip chip of the present disclosure, by performing laser bonding on a substrate while pressurizing semiconductor chips, even semiconductor chips which are bent or likely to bend may be bonded to the substrate without causing poor contact of solder bumps.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: February 25, 2025
    Assignee: PROTEC CO., LTD.
    Inventors: Youn Sung Ko, Geunsik Ahn
  • Patent number: 12237450
    Abstract: A metallic structure for an optical semiconductor device including a conductive base body having disposed thereon metallic layers in the following order: a nickel or nickel alloy plated layer, a gold or gold alloy plated layer, and an indium or indium alloy plated layer, wherein the indium or indium alloy plated layer has a thickness in a range of 0.002 ?m or more and 0.3 ?m or less.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: February 25, 2025
    Assignee: NICHIA CORPORATION
    Inventors: Yasuo Kato, Kazuya Matsuda
  • Patent number: 12230450
    Abstract: A method of manufacturing a semiconductor structure includes: forming a first oxide layer over a landing pad layer; forming a middle patterned dielectric layer over the first oxide layer; sequentially forming a second oxide layer and a top dielectric layer over the middle patterned dielectric layer; forming a trench through the top dielectric layer, the second oxide layer and the first oxide layer; conformally forming a bottom conductive layer in the trench; removing a portion of the top dielectric layer adjacent to the trench to expose a portion of the second oxide layer beneath the portion of the top dielectric layer; and performing an etching process to remove the second oxide layer and the first oxide layer. A semiconductor structure is also provided.
    Type: Grant
    Filed: February 18, 2024
    Date of Patent: February 18, 2025
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Mao-Ying Wang, Yu-Ting Lin
  • Patent number: 12211740
    Abstract: An interconnect structure and methods of forming the same are described. In some embodiments, the structure includes a first dielectric layer and one or more first conductive features disposed in the first dielectric layer. The one or more first conductive features includes a first metal. The structure further includes a plurality of graphene layers disposed on each of the one or more first conductive features, the plurality of graphene layers include a second metal intercalated therebetween, and the second metal is different from the first metal.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: January 28, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shu-Wei Li, Yu-Chen Chan, Shin-Yi Yang, Ming-Han Lee, Shau-Lin Shue
  • Patent number: 12211692
    Abstract: A method of processing a wafer includes preparing a wafer having a substrate and a silicon-containing film formed on the substrate; forming a hard mask on the silicon-containing film; forming a pattern on the hard mask by etching the hard mask; and etching the silicon-containing film using the hard mask on which the pattern is formed, wherein the hard mask has a first film formed on the silicon-containing film and containing tungsten, and a second film formed on the first film and containing zirconium or titanium and oxygen.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: January 28, 2025
    Assignee: Tokyo Electron Limited
    Inventors: Noriaki Okabe, Takuya Seino, Ryota Kozuka, Yasuhiro Hamada, Yuutaro Kishi
  • Patent number: 12207573
    Abstract: A memory, system, and method to improve integration density while maintaining thermal efficiency through a phase change memory cell with a superlattice based thermal barrier. The phase change memory may include a bottom electrode. The phase change memory may also include an active phase change material. The phase change memory may also include a superlattice thermal barrier proximately connected to the active phase change material. The phase change memory may also include a top electrode proximately connected to the superlattice thermal barrier. The system may include the phase change memory cell. The method for forming a phase change memory may include depositing an active phase change material on a bottom electrode. The method may also include depositing a superlattice thermal barrier proximately connected to the active phase change material. The method may also include depositing a top electrode proximately connected to the superlattice thermal barrier.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: January 21, 2025
    Assignee: International Business Machines Corporation
    Inventors: Praneet Adusumilli, Kevin W. Brew, Takashi Ando, Reinaldo Vega
  • Patent number: 12183689
    Abstract: Provided are a ceramic substrate and a method of manufacturing the same, which suppress a warpage phenomenon caused by a difference in volumes occupied by upper and lower metal layers of a ceramic base material and controls areas of the upper and lower metal layers especially when thicknesses of the upper and lower metal layers on the ceramic base material are equal to each other, thereby reducing a defect rate of the ceramic substrate.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 31, 2024
    Assignee: AMOSENSE CO., LTD.
    Inventor: Ji-Hyung Lee
  • Patent number: 12142713
    Abstract: An LED display screen, comprising: an LED array, consisting of multiple LED light-emitting units and used for emitting a light; an optical diffusion film, provided at a light exit side of the LED array; a matrix shading frame, comprising multiple hollow shading gratings, the hollow shading gratings corresponding one-to-one to the LED light-emitting units; and a substrate, used for supporting the LED array and the matrix shading frame, where the light emitted by the LED light-emitting units, after running through the hollow shading gratings, is diffused to a viewer side via the optical diffusion film, and the LED light-emitting units emit the light towards the hollow shading gratings.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 12, 2024
    Assignee: Appotronics Corporation Limited
    Inventors: Lin Wang, Shijie Li, Fei Hu, Wei Sun, Yi Li
  • Patent number: 12133385
    Abstract: A three-dimensional (3D) memory device and a fabricating method for forming the same are disclosed. The 3D memory device can include an alternating conductor/dielectric layer stack disposed on a substrate, a first staircase structure and a second staircase structure formed in the alternating conductor/dielectric layer stack, a staircase bridge extending in a first direction and electrically connecting the first staircase structure and the second staircase structure, and a first bottom select gate segment covered or partially covered by the staircase bridge. The first bottom select gate segment can include an extended portion extending in a second direction different from the first direction.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: October 29, 2024
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Jason Guo, Qiang Tang
  • Patent number: 12132156
    Abstract: A display device includes a flexible substrate, a bonding pad, a light-emitting diode, an encapsulant, and a support structure. The bonding pad and the light-emitting diode are located on the flexible substrate. The encapsulant covers the light-emitting diode. The support structure is laterally located between the light-emitting diode and the bonding pad. The support structure has an inclined surface, and a thickness of the support structure close to the light-emitting diode is greater than the thickness of the support structure close to the bonding pad.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: October 29, 2024
    Assignee: Au Optronics Corporation
    Inventors: Cheng-He Ruan, Jian-Jhou Tseng, Chih-Yuan Hou