Patents Examined by Walter H Swanson
  • Patent number: 11749679
    Abstract: An IC fabrication method includes forming a first fin on a semiconductor substrate, forming an isolation dielectric material over the first fin, and planarizing the isolation dielectric material. A top surface of the first fin is covered by the isolation dielectric material after planarizing the isolation dielectric material. The method further includes etching back the isolation dielectric material until the first fin protrudes from the isolation dielectric material.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: September 5, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Juei Lee, Chia-Ming Liang, Chi-Hsin Chang, Jin-Aun Ng, Yi-Shien Mor, Huai-Hsien Chiu
  • Patent number: 11749559
    Abstract: Structures with altered crystallinity beneath semiconductor devices and methods associated with forming such structures. Trench isolation regions surround an active device region composed of a single-crystal semiconductor material. A first non-single-crystal layer is arranged beneath the trench isolation regions and the active device region. A second non-single-crystal layer is arranged beneath the trench isolation regions and the active device region. The first non-single-crystal layer is arranged between the second non-single-crystal layer and the active device region.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: September 5, 2023
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Steven M. Shank, Anthony K. Stamper, Ian McCallum-Cook, Siva P. Adusumilli
  • Patent number: 11735478
    Abstract: A method for manufacturing vias in a silicon wafer, the silicon wafer having a <110> crystal orientation, and having a <111> plane that is perpendicular to a surface of the wafer, tilted by 35.26°, the method comprising the steps of providing a mask having a rhomboidal-shaped opening onto a surface of the silicon wafer, such that edges of the rhomboidal-shaped opening line up with a <111> plane of a crystalline structure of the silicon wafer, etching a hole in the silicon wafer at the rhomboidal-shaped opening, and polishing the hole after the etching by a anisotropic etching.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 22, 2023
    Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Simone Frasca, Edoardo Charbon, Sandro Carrara, Rebecca Leghziel
  • Patent number: 11737254
    Abstract: A memory device is provided. The memory device includes first and second pull-up transistors. The first pull-up transistor is disposed over a semiconductor substrate, and including a first gate structure and two first source/drain structures at opposite sides of the first gate structure. The second pull-up transistor is laterally spaced apart from the first pull-up transistor, and including a second gate structure and two second source/drain structures at opposite sides of the second gate structure. The first and second gate structures extend along a first direction and laterally spaced apart from each other along a second direction intersected with the first direction. The first gate structure further extends along a sidewall of one of the second source/drain structures, and the second gate structure further extends along a sidewall of one of the first source/drain structures.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 22, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Te-Hsin Chiu, Jiann-Tyng Tzeng, Shih-Wei Peng, Wei-An Lai
  • Patent number: 11735577
    Abstract: The disclosure provides a method for fabricating a semiconductor structure with strengthened patterns. The method includes forming a masking layer on the substrate, the masking layer including a peripheral region and an array region adjacent to the peripheral region; forming a first etched peripheral pattern in the peripheral region and a first etched array pattern in the array region, wherein the first etched peripheral pattern and the first etched array pattern have a top surface, a sidewall and a bottom surface, the sidewall connecting the top surface to the bottom surface; forming a second peripheral pattern on the first etched peripheral pattern and forming a second array pattern on the first etched array pattern; and etching the masking layer using the first etched peripheral pattern and the second peripheral pattern as an etching mask to form an etched masking layer in the peripheral region.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: August 22, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Ching-Yuan Kuo, Chih-Hao Kuo
  • Patent number: 11728209
    Abstract: In some embodiments, the present disclosure relates to a method that includes depositing multiple hard mask layers over an interconnect dielectric layer. A first patterning layer is deposited over the multiple hard mask layers, and a first masking structure is formed over the first masking structure. The first masking structure has openings formed by a first extreme ultraviolet (EUV) lithography process. Portions of the first patterning layer are removed according to the first masking structure. A second masking structure is formed within the patterned first patterning layer. A third masking structure is formed over a topmost one of the hard mask layers and has openings formed by a second EUV lithography process. Removal processes are performed to pattern the multiple hard mask layers to form openings in the interconnect dielectric layer, and interconnect wires having rounded corners are formed within the openings of the interconnect dielectric layer.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 15, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Nien Su, Yu-Yu Chen
  • Patent number: 11728167
    Abstract: A hardmask structure including a plurality of hardmask layers is formed on a target layer in a first area and a second area, a first photoresist pattern in the first area and a second photoresist pattern in the second area are formed, a reversible hardmask pattern including a plurality of openings is formed by transferring shapes of the first and second photoresist patterns to a reversible hardmask layer that is one of the plurality of hardmask layers, a gap-fill hardmask pattern is formed by filling some of the plurality of openings formed in the first area with a gap-fill hardmask pattern material, and a feature pattern is formed in the target layer by transferring a shape of the gap-fill hardmask pattern to the target layer in the first area and a shape of the reversible hardmask pattern to the target layer in the second area.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongjun Lee, Keunnam Kim, Daehyoun Kim, Taejin Park, Sunghee Han
  • Patent number: 11728174
    Abstract: The present application discloses a method for fabricating a semiconductor device using a tilted etch process. The method includes forming an etching stop layer on a substrate, forming a target layer on the etching stop layer, forming a first hard mask layer on the target layer, forming second hard mask layers on the first hard mask layer, performing a first tilted etch process on the first hard mask layer to form first openings along the first hard mask layer and adjacent to first sides of the second hard mask layers, and performing a second tilted etch process on the first hard mask layer to form second openings along the first hard mask layer and adjacent to second sides of the second hard mask layers.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: August 15, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Huan-Yung Yeh
  • Patent number: 11721720
    Abstract: A semiconductor structure includes a trunk portion and a branch portion. The trunk portion extends in a first direction. The branch portion is connected to the trunk portion. The branch portion includes a handle portion and a two-pronged portion. The handle portion is connected to the trunk portion and extends in a second direction. The second direction intersects the first direction. The two-pronged portion is connected to the handle portion. A line width of the handle portion is greater than a line width of the two-pronged portion.
    Type: Grant
    Filed: March 21, 2021
    Date of Patent: August 8, 2023
    Assignee: Winbond Electronics Corp.
    Inventors: Tseng-Yao Pan, Chien-Hsiang Yu, Ching-Yung Wang, Cheng-Hong Wei, Ming-Tsang Wang
  • Patent number: 11721610
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes providing an underlying semiconductor layer; depositing an insulation layer over the underlying semiconductor layer; forming a first through semiconductor via extending continuously through the insulation layer; forming a second through semiconductor via extending continuously through the insulation layer; etching a portion of the insulation layer to expose a first upper end of the first through semiconductor via above the insulation layer and a second upper end of the second through semiconductor via above the insulation layer; and forming an upper conductive connecting portion laterally connected to a first upper lateral surface of the first upper end and a second upper lateral surface of the second upper end by a self-aligned deposition process.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: August 8, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Liang-Pin Chou
  • Patent number: 11710637
    Abstract: A method that provides patterning of an underlying layer to form a first set of trenches and a second set of trenches in the underlying layer is based on a combination of two litho-etch (LE) patterning processes supplemented with a spacer-assisted (SA) technique. The method uses a layer stack comprising three memorization layers: an upper memorization layer allowing first memorizing upper trenches, and then one or more upper blocks; an intermediate memorization layer allowing first memorizing intermediate trenches and one or more first intermediate blocks, and then second intermediate blocks and intermediate lines; and a lower memorization layer allowing first memorizing first lower trenches and one or more first lower blocks, and then second lower trenches and one or more second lower blocks.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: July 25, 2023
    Assignee: Imec VZW
    Inventors: Frederic Lazzarino, Victor M. Blanco
  • Patent number: 11710641
    Abstract: Provided is a kit including a curable composition for imprinting, and a composition for forming an underlayer film for imprinting, in which the composition for forming an underlayer film for imprinting contains a polymer having a polymerizable functional group, and a compound in which the lower one of a boiling point and a thermal decomposition temperature is 480° C. or higher and ?HSP, which is a Hansen solubility parameter distance from a component with the highest content contained in the curable composition for imprinting, is 2.5 or less. Furthermore, the present invention relates to a composition for forming an underlayer film for imprinting, a pattern forming method, and a method for manufacturing a semiconductor device, which are related to the kit.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: July 25, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Goto, Naoya Shimoju, Akihiro Hakamata
  • Patent number: 11709533
    Abstract: A power chip includes: a first power switch, formed in a wafer region and having a first and a second metal electrodes; a second power switch, formed in the wafer region and having a third and a fourth metal electrodes, wherein the first and second power switches respectively constitute an upper bridge arm and a lower bridge arm of a bridge circuit, and the first and second power switches are alternately arranged; and a metal region, at least including a first metal layer and a second metal layer that are stacked, each metal layer including a first to a third electrodes, and electrodes with the same voltage potential in the metal layers are electrically coupled.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: July 25, 2023
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Le Liang, Xiaoni Xin
  • Patent number: 11699716
    Abstract: An imaging device includes a first chip. The first chip includes a first pixel and a second pixel. The first pixel includes a first anode region and a first cathode region, and the second pixel includes a second anode region and a second cathode region. The first chip includes a first wiring layer. The first wiring layer includes a first anode electrode, a first anode via coupled to the first anode electrode and the first anode region, and a second anode via coupled to the first anode electrode and the second anode region.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: July 11, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Kenji Kobayashi, Toshifumi Wakano, Yusuke Otake
  • Patent number: 11699643
    Abstract: A method for manufacturing a semiconductor package includes disposing a semiconductor chip having contact pads, and a connection structure around the semiconductor chip on a supporting substrate, with the contact pads facing the supporting substrate, forming an encapsulant encapsulating the semiconductor chip and the connection structure on the supporting substrate, embedding a wiring pattern having a connection portion in the encapsulant, the connection portion having a connection hole, forming a through hole penetrating the encapsulant in the connection hole, the through hole exposing a portion of an upper surface of the connection structure, and forming a conductive via in the through hole, the conductive via connecting the wiring pattern to the connection structure.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ik Jun Choi, Jae Ean Lee, Kwang Ok Jeong, Young Gwan Ko, Jung Soo Byun
  • Patent number: 11691313
    Abstract: A processing apparatus includes a chuck table for holding a workpiece, a processing unit for processing the workpiece held on the chuck table as supplying a processing water to the workpiece, and a water pan fixed to a bottom of the processing apparatus for receiving the processing water as a water leaked.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: July 4, 2023
    Assignee: DISCO CORPORATION
    Inventors: Toshiyasu Rikiishi, Yasushi Katagiri
  • Patent number: 11696432
    Abstract: Systems, methods, and apparatus including multi-direction conductive lines and staircase contacts for semiconductor devices. One memory device includes an array of vertically stacked memory cells, the array including: a vertical stack of horizontally oriented conductive lines, each conductive line comprising: a first portion extending in a first horizontal direction; and a second portion extending in a second horizontal direction at an angle to the first horizontal direction.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: July 4, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Si-Woo Lee, Byung Yoon Kim, Kyuseok Lee, Sangmin Hwang, Mark Zaleski
  • Patent number: 11676889
    Abstract: Guard ring designs enabling in-line testing of silicon bridges for semiconductor packages, and the resulting silicon bridges and semiconductor packages, are described. In an example, a semiconductor structure includes a substrate having an insulating layer disposed thereon. A metallization structure is disposed on the insulating layer. The metallization structure incudes conductive routing disposed in a dielectric material stack. The semiconductor structure also includes a first metal guard ring disposed in the dielectric material stack and surrounding the conductive routing. The first metal guard ring includes a plurality of individual guard ring segments. The semiconductor structure also includes a second metal guard ring disposed in the dielectric material stack and surrounding the first metal guard ring. Electrical testing features are disposed in the dielectric material stack, between the first metal guard ring and the second metal guard ring.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 13, 2023
    Assignee: Intel Corporation
    Inventors: Arnab Sarkar, Sujit Sharan, Dae-Woo Kim
  • Patent number: 11664227
    Abstract: A semiconductor structure and a method for forming the semiconductor structure are provided. The method includes providing a to-be-etched layer; forming an initial mask layer over the to-be-etched layer; forming a patterned structure, on the initial mask layer and exposing a portion of the initial mask layer; forming a barrier layer on a sidewall surface of the patterned structure; using the patterned structure and the barrier layer as a mask, performing an ion doping process on the initial mask layer to form a doped region and an un-doped region between doped regions in the initial mask layer; removing the patterned structure and the barrier layer; and forming a mask layer on a top surface of the to-be-etched layer by removing the un-doped region. The mask layer includes a first opening exposing the top surface of the to-be-etched layer.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: May 30, 2023
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
    Inventors: Qian Jiang Zhang, Bo Su, Tao Dou, Lin Lin Sun
  • Patent number: 11664293
    Abstract: Embodiments include a semiconductor package with a thermoelectric cooler (TEC), a method to form such semiconductor package, and a semiconductor packaged system. The semiconductor package includes a die with a plurality of backend layers on a package substrate. The backend layers couple the die to the package substrate. The semiconductor package includes the TEC in the backend layers of the die. The TEC includes a plurality of N-type layers, a plurality of P-type layers, and first and second conductive layers. The first conductive layer is directly coupled to outer regions of bottom surfaces of the N-type and P-type layers, and the second conductive layer is directly coupled to inner regions of top surfaces of the N-type and P-type layers. The first conductive layer has a width greater than a width of the second conductive layer. The N-type and P-type layers are directly disposed between the first and second conductive layers.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: May 30, 2023
    Assignee: Intel Corporation
    Inventors: Krishna Vasanth Valavala, Ravindranath V. Mahajan, Chandra Mohan Jha