Patents Examined by Thanh Y. Tran
  • Patent number: 11810901
    Abstract: A microelectronic device comprises a first control logic region comprising first control logic devices and a memory array region vertically overlying the first control logic region. The memory array region comprises capacitors, access devices laterally neighboring and in electrical communication with the capacitors, conductive lines operatively associated with the access devices and extending in a lateral direction, and first conductive pillars operatively associated with the access devices and vertically extending through the memory array region. The microelectronic device further comprises a second control logic region comprising second control logic devices vertically overlying the memory array region. Related microelectronic devices, memory devices, electronic systems, and methods are also described.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: November 7, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Fatma Arzum Simsek-Ege, Yuan He
  • Patent number: 11791252
    Abstract: Package-on-package systems for packaging semiconductor devices. In one embodiment, a package-on-package system comprises a first semiconductor package device and a second semiconductor package device. The first package device includes a base substrate including a first side having a die-attach region and a peripheral region, a first semiconductor die attached to the base substrate at the die-attach region, wherein the first semiconductor die has a front side facing the first side of the base substrate and a backside spaced apart from the first side of the base substrate by a first distance, and a high density interconnect array in the perimeter region of the base substrate outside of the die-attach region. The interconnect array has a plurality of interconnects that extend from the first side of the base substrate by a second distance greater than the first distance. The second semiconductor device package is electrically coupled corresponding individual interconnects.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: October 17, 2023
    Inventors: Owen R. Fay, Jack E. Murray
  • Patent number: 11792980
    Abstract: Embodiments of structure and methods for forming a three-dimensional (3D) memory device are provided. In an example, a method for forming a 3D memory device includes forming a first source contact portion in a substrate, forming a dielectric stack over the first source contact portion, and forming a slit opening extending in the dielectric stack and exposing the first source contact portion. The method also includes forming a plurality of conductor layers through the slit opening and form a second source contact portion in the slit opening and in contact with the first source contact portion.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: October 17, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Ji Xia, Wei Xu, Pan Huang, Wenxiang Xu, Beihan Wang
  • Patent number: 11776925
    Abstract: A method of forming a microelectronic device comprises forming a first microelectronic device structure comprising a first semiconductor structure, control logic circuitry at least partially overlying the first semiconductive structure, first back-end-of-line (BEOL) structures over and in electrical communication with the control logic circuitry, and first isolation material covering the control logic circuitry and the first BEOL structures. A second microelectronic device structure is bonded over the first BEOL structures to form a first assembly. The first assembly is vertically inverted. A third microelectronic device structure comprising a second semiconductor structure is bonded over the vertically inverted first assembly to form a second assembly. Memory cells comprising portions of the second semiconductor structure are formed after forming the second assembly. Second BEOL structures are formed over the memory cells.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: October 3, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Fatma Arzum Simsek-Ege
  • Patent number: 11764178
    Abstract: A semiconductor device includes a first chip including a first substrate including a center region and a peripheral region; a first center bonding pad above the center region of the first substrate; and a first peripheral bonding pad above the peripheral region of the first substrate; and a second chip on the first chip and including: a plurality of peripheral upper bonding pads at a peripheral region of the second chip and respectively on the first center bonding pad and the first peripheral bonding pad; a plurality of redistribution structures respectively on the plurality of peripheral upper bonding pads and extending toward a center region of the second chip; a plurality of center lower bonding pads at the center region of the second chip and respectively on the plurality of redistribution structures; and a plurality of storage units electrically coupled to the plurality of center lower bonding pads.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: September 19, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Tse-Yao Huang
  • Patent number: 11756909
    Abstract: According to one embodiment, a semiconductor storage device includes a first chip and a second chip. The first chip includes a first substrate, a transistor, and a first pad. The second chip includes a second pad, a memory cell array, and a second substrate. The second pad is on the first pad. The second chip is bonded to the first chip. The first chip and the second chip includes, when viewed in a first direction orthogonal to the first substrate, a first region and a second region. The first region includes the memory cell array. The second region surrounds an area around the first region and includes a wall extending from the first substrate to the second substrate. The second substrate includes a first opening passing through the second substrate in the second region.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: September 12, 2023
    Assignee: Kioxia Corporation
    Inventors: Shinya Watanabe, Shinya Arai
  • Patent number: 11756945
    Abstract: A method includes forming a redistribution structure on a carrier substrate, coupling a first side of a first interconnect structure to a first side of the redistribution structure using first conductive connectors, where the first interconnect structure includes a core substrate, where the first interconnect structure includes second conductive connectors on a second side of the first interconnect structure opposite the first side of the first interconnect structure, coupling a first semiconductor device to the second side of the first interconnect structure using the second conductive connectors, removing the carrier substrate, and coupling a second semiconductor device to a second side of the redistribution structure using third conductive connectors, where the second side of the redistribution structure is opposite the first side of the redistribution structure.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jiun Yi Wu, Chen-Hua Yu
  • Patent number: 11742328
    Abstract: A semiconductor device assembly comprises a substrate including internal contacts on a first side and first external contacts on a second side. The assembly further comprises one or more first dies disposed over the first side and electrically coupled to the internal contacts, and a interposer having a length and a width less than a length and a width of the substrate, having inner contacts on a first side, and having second external contacts on a second side. The interposer is coupled to the second side of the substrate by one or more of the inner contacts. The assembly further comprises a second die disposed between the substrate and the interposer. The assembly further comprises first solder balls on the first external contacts, and second solder balls on the second external contacts. The first and second solder balls are configured to bond with co-planar package contacts.
    Type: Grant
    Filed: July 24, 2021
    Date of Patent: August 29, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Pezhman Monadgemi
  • Patent number: 11742325
    Abstract: A semiconductor device includes a first semiconductor die mounted on a substrate, a second semiconductor die mounted on the substrate and separated from the first semiconductor die, a first dielectric material between the first semiconductor die and the second semiconductor die and having a first density, and a column of second dielectric material in the first dielectric material, the second dielectric material having a second density different than the first density, and the second dielectric material including a void region.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: August 29, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jen-Yuan Chang, Tzu-Chung Tsai
  • Patent number: 11735543
    Abstract: A semiconductor device is provided. The semiconductor device includes a first wafer having an array transistor formed therein, and a second wafer having a capacitor structure formed therein. The semiconductor device also includes a bonding interface formed between the first wafer and second wafer that includes a plurality of bonding structures. The bonding structures are configured to couple the array transistor to the capacitor structure to form a memory cell.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: August 22, 2023
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Lei Liu, Di Wang, Wenxi Zhou, Zhiliang Xia
  • Patent number: 11735568
    Abstract: Semiconductor die stacks, and associated methods and systems are disclosed. The semiconductor die stack may include a first die with a memory array and a second die with CMOS circuitry configured to access the memory array. The first die may not have circuitry for accessing the memory array. Further, the first and second dies may be bonded to function as a single memory device, and front surfaces of the first and second dies are conjoined to form electrical connections therebetween. The second die may include a portion uncovered by the first die, where bond pads of the semiconductor die stack are located. The first die may provide a space for bond wires to connect to the bond pads without interfering with another die attached above the semiconductor die stack. Multiple semiconductor die stacks may be stacked on top of and in line with each other.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: August 22, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Kyle K. Kirby
  • Patent number: 11728217
    Abstract: An embodiment is a package including a first package component. The first package component including a first die attached to a first side of a first interconnect structure, a molding material surrounding the first die, and a second interconnect structure over the molding material and the first die, a first side of the second interconnect structure coupled to the first die with first electrical connectors. The first package component further includes a plurality of through molding vias (TMVs) extending through the molding material, the plurality of TMVs coupling the first interconnect structure to the second interconnect structure, and a second die attached to a second side of the second interconnect structure with second electrical connectors, the second side of the second interconnect structure being opposite the first side of the second interconnect structure.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: August 15, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chen-Hua Yu, Kuo-Chung Yee, Mirng-Ji Lii, Chien-Hsun Lee, Jiun Yi Wu
  • Patent number: 11728230
    Abstract: A semiconductor package includes: a lower package: an upper substrate on the lower package: and connection members connecting the lower package to the upper substrate, wherein the lower package includes: a lower substrate; and a lower semiconductor chip, wherein the upper substrate includes: an upper substrate body: upper connection pads combined with the connection members: and auxiliary members extending from the upper substrate body toward the lower substrate, wherein the connection members are arranged in a first horizontal direction to form a first connection member column, wherein the auxiliary members are arranged in the first horizontal direction to form a first auxiliary member column, wherein the first connection member column and the first auxiliary member column are located between a side surface of the lower semiconductor chip and a side surface of the lower substrate, and the first auxiliary member column is spaced apart from the first connection member column.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hwang Kim, Dongho Kim, Jin-Woo Park, Jongbo Shim
  • Patent number: 11728305
    Abstract: A semiconductor structure includes a bonded assembly of a first semiconductor die including first metal bonding pads and a second semiconductor die including second metal bonding pads, and a capacitor structure including a first electrode, a second electrode, and a node dielectric. The first electrode includes first bonded pairs of metal bonding pads. The second electrode includes second bonded pairs of metal bonding pads. The node dielectric includes portions dielectric material layers laterally surrounding the metal bonding pads.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 15, 2023
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Shiqian Shao, Fumiaki Toyama, Peter Rabkin
  • Patent number: 11728303
    Abstract: A semiconductor device is provided. The semiconductor device includes a base layer having a first side for forming memory cells and a second side that is opposite to the first side. The semiconductor device includes a stack of alternating word line layers and insulating layers that is positioned over the first side of the base layer, where the stack includes a first region and a second region. A channel structure extends through the first region of the stack in a vertical direction and further extends into the base layer from the first side. A plurality of connection structures are formed over the second side of the base layer and include a first connection structure that is coupled to the channel structure.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: August 15, 2023
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: He Chen, Liang Xiao
  • Patent number: 11730011
    Abstract: Discussed is an organic light emitting diode display device, including a display panel including an array substrate configured to display an image, a face sealing metal layer under the array substrate, and a protecting substrate under the face sealing metal layer, wherein the array substrate generates heat, and the generated heat is transferred from the array substrate to the protecting substrate via the face sealing metal layer to be radiated by the protecting substrate; and a printed circuit board under the protecting substrate, wherein an end portion of the array substrate, an end portion of the face sealing metal layer and an end portion of the protecting substrate form a stepped structure.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: August 15, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyeon-Yong Eom, Chui Park, Seung-Hwan Lee, Chan-Hee Park
  • Patent number: 11728304
    Abstract: A nonvolatile memory device including a substrate extending in a first direction, a ground selection line extending in the first direction on the substrate, a plurality of word lines stacked sequentially on the ground selection line and extending in the first direction, a landing pad spaced apart from the ground selection line and the plurality of word lines in the first direction, a rear contact plug connected to a lower face of the landing pad and extending in a second direction intersecting the first direction, a front contact plug connected to an upper face of the landing pad opposite the lower face and extending in the second direction, an input/output pad electrically connected to the rear contact plug, and an upper bonding pad electrically connected to the front contact plug and connected to at least a part of a plurality of circuit elements of the nonvolatile memory device.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: August 15, 2023
    Inventors: Jae Ho Ahn, Ji Won Kim, Sung-Min Hwang, Joon-Sung Lim, Suk Kang Sung
  • Patent number: 11721654
    Abstract: A method includes attaching semiconductor die to a carrier between copper pillars, covering with molding, backside grinding to expose first ends of the pillars and backside drain contacts of the die, and applying a layer of conductive material to electrically connect the first ends of the pillars and the backside drain contacts. The method further includes cutting grooves in the conductive material to isolate adjacent die, removing the carrier to expose second ends of the copper pillars in place in the molding, applying another layer of conductive material to electrically connect the second ends of the copper pillars and source contacts of adjacent die, singulating individual MCM packages each including a first die and a second die with a source of the first die connected to a drain of the second die via one of the copper pillars left in place in the molding.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: August 8, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Nurul Nadiah Manap, Shutesh Krishnan, Soon Wei Wang
  • Patent number: 11721630
    Abstract: Methods and associated structures of forming a microelectronic device are described. Those methods may include forming a structure comprising a first contact metal disposed on a source/drain contact of a substrate, and a second contact metal disposed on a top surface of the first contact metal, wherein the second contact metal is disposed within an ILD disposed on a top surface of a metal gate disposed on the substrate.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: August 8, 2023
    Assignee: Intel Corporation
    Inventors: Bernhard Sell, Oleg Golonzka
  • Patent number: 11721655
    Abstract: A memory device includes a memory chip including a memory cell array connected to first word lines and first bit lines, first word line bonding pads respectively connected to the first word lines, and first bit line bonding pads respectively connected to the first bit lines, and a peripheral circuit chip, wherein the peripheral circuit chip includes a test cell array connected to second word lines and second bit lines, second word line bonding pads respectively connected to the first word line bonding pads, second bit line bonding pads respectively connected to the first bit line bonding pads, and a peripheral circuit connected to the second word line bonding pads and the second word lines or the second bit line bonding pads and the second bit lines.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: August 8, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jooyong Park, Chanho Kim, Pansuk Kwak, Daeseok Byeon