Patents Examined by Didarul Mazumder
  • Patent number: 11778818
    Abstract: An alternating stack of insulating layers and electrically conductive layers, a retro-stepped dielectric material portion overlying stepped surfaces of the alternating stack, and memory stack structures extending through the alternating stack are formed over a substrate. A patterned etch mask layer including discrete openings is formed thereabove. Via cavities through an upper region of the retro-stepped dielectric material portion by performing a first anisotropic etch process. Metal plates are selectively formed on physically exposed surfaces of a first subset of the electrically conductive layers by a selective metal deposition process. A subset of the via cavities without any metal plates therein are vertically extended downward by performing a second anisotropic etch process while the metal plates protect underlying electrically conductive layers. Via cavities can be formed without punching through electrically conductive layers.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 3, 2023
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Ryo Mochizuki, Yasuo Kasagi, Michiaki Sano, Junji Oh, Yujin Terasawa, Hiroaki Namba
  • Patent number: 11778879
    Abstract: A display device includes a substrate, a circuit element layer on the substrate, a display element layer on the circuit element layer, a sealing film on the display element layer, an oxide film on the sealing film, a barrier metal layer on the oxide film, and a wiring layer on the barrier metal layer, wherein a surface of the sealing film in contact with the oxide film has concave/convexities, and the barrier metal layer is formed by titanium nitride. A height of the concave/convexities of the surface of the sealing film may be less than 30 nm. A thickness of the oxide film may be 5 nm or less.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: October 3, 2023
    Assignee: Japan Display Inc.
    Inventor: Nobuto Managaki
  • Patent number: 11778819
    Abstract: A NAND flash memory capable of reducing the planar size of a memory cell is provided. The three-dimensional NAND flash memory includes a substrate, an insulating layer, a lower conductive layer (a source), a three-dimensional memory cell structure, and a bit line. The memory cell structure includes a plurality of strip-shaped gate stacks including stacks of insulators and conductors stacked along a vertical direction from the substrate; and a plurality of channel stacks separately arranged along one side of the gate stack. An upper end of the channel stack is electrically connected to the orthogonal bit line, and a lower end of the channel stack is electrically connected to the lower conductive layer.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: October 3, 2023
    Assignee: Winbond Electronics Corp.
    Inventor: Riichiro Shirota
  • Patent number: 11776905
    Abstract: A package structure including an interposer, a semiconductor die, through insulator vias, an insulating encapsulant and a redistribution layer is provided. The interposer includes a core structure having a first and second surface, first metal layers disposed on the first and second surface, second metal layers disposed on the second surface over the first metal layers, and third metal layers disposed on the second surface over the second metal layers. The semiconductor die is disposed on the interposer. The through insulator vias are disposed on the interposer and electrically connected to the plurality of first metal layers. The insulating encapsulant is disposed on the interposer over the first surface and encapsulating the semiconductor die and the plurality of through insulator vias. The redistribution layer is disposed on the insulating encapsulant and electrically connected to the semiconductor die and the plurality of through insulator vias.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: October 3, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chuei-Tang Wang, Tin-Hao Kuo
  • Patent number: 11770979
    Abstract: A memory device includes a bottom electrode, a conductive layer such as an alloy including ruthenium and tungsten above the bottom electrode and a perpendicular magnetic tunnel junction (pMTJ) on the conductive layer. In an embodiment, the pMTJ includes a fixed magnet, a tunnel barrier above the fixed magnet and a free magnet on the tunnel barrier. The memory device further includes a synthetic antiferromagnetic (SAF) structure that is ferromagnetically coupled with the fixed magnet to pin a magnetization of the fixed magnet. The conductive layer has a crystal texture which promotes high quality FCC <111> crystal texture in the SAF structure and improves perpendicular magnetic anisotropy of the fixed magnet.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: September 26, 2023
    Assignee: Intel Corporation
    Inventors: Daniel Ouellette, Justin Brockman, Tofizur Rahman, Angeline Smith, Andrew Smith, Christopher Wiegand, Oleg Golonzka
  • Patent number: 11769840
    Abstract: A schottky barrier diode element having a silicon (Si) substrate, an oxide semiconductor layer and a schottky electrode layer, wherein the oxide semiconductor layer includes a polycrystalline and/or amorphous oxide semiconductor having a band gap of 3.0 eV or more and 5.6 eV or less.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: September 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shigekazu Tomai, Masatoshi Shibata, Emi Kawashima, Koki Yano, Hiromi Hayasaka
  • Patent number: 11765897
    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 bottom select structure extending along a vertical direction through a bottom conductor layer over a substrate and along a horizontal direction to divide the bottom conductor layer into a pair of bottom select conductor layers, forming a plurality of conductor layers and a plurality of insulating layers interleaved on the pair of bottom select conductor layers and the bottom select structure, and forming a plurality of channel structures extending along the vertical direction through the pair of bottom select conductor layers, the plurality of conductor layers, and the plurality of insulating layers and into the substrate.
    Type: Grant
    Filed: November 21, 2020
    Date of Patent: September 19, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Zongliang Huo, Haohao Yang, Wei Xu, Ping Yan, Pan Huang, Wenbin Zhou
  • Patent number: 11765896
    Abstract: There are provided a semiconductor device and a manufacturing method thereof. The semiconductor device includes: a stack structure; a source structure; a channel structure penetrating the stack structure, the channel structure being connected to the source structure; and a first memory layer interposed between the channel structure and the stack structure. The source structure includes a first protrusion part protruding between the first memory layer and the channel structure.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: SK hynix Inc.
    Inventor: Nam Jae Lee
  • Patent number: 11764268
    Abstract: A semiconductor device, includes: gate electrodes spaced apart from each other and on a substrate; channel structures penetrating the gate electrodes, each of channel structures including a channel layer, a gate dielectric layer between the channel layer and the gate electrodes, a channel insulating layer filling between the channel layers, a channel pad on the channel insulating layer; and separation regions penetrating the gate electrodes, and spaced apart from each other, wherein the gate dielectric layer extends upwardly, further than the channel layer upwardly such that a portion of an inner side surface of the gate dielectric layer contacts the channel pad, the channel pad includes a lower pad on an upper end of the channel layer and the inner side surface of the gate dielectric layer, and having a first recess between the inner side surfaces of the gate dielectric layer; and an upper pad having a first portion in the first recess and a second portion extending from the first portion in a direction, par
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: September 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sunggil Kim, Kyengmun Kang, Juyon Suh, Hyeeun Hong
  • Patent number: 11764314
    Abstract: An imaging device may include single-photon avalanche diodes (SPADs). To improve the sensitivity and signal-to-noise ratio of the SPADs, light scattering structures may be formed in the semiconductor substrate to increase the path length of incident light through the semiconductor substrate. The light scattering structures may include a low-index material formed in trenches in the semiconductor substrate. The light scattering structures may have different sizes and/or a layout with a non-uniform number of structures per unit area. SPAD devices may also include isolation structures in a ring around the SPADs to prevent crosstalk. The isolation structures may include metal-filled deep trench isolation structures. The metal filler may include tungsten.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: September 19, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Swarnal Borthakur
  • Patent number: 11764181
    Abstract: Provided are a semiconductor package and a method for fabricating the semiconductor package. The method includes the followings steps: a first workpiece is provided, where the first workpiece includes a first substrate and multiple first rewiring structures arranged on the first substrate at intervals, and each first rewiring structure includes at least two first rewiring layers; an encapsulation layer is formed on the first rewiring structures, where the encapsulation layer is provided with multiple first through holes, and the first through holes expose one first rewiring layer; at least two second rewiring layers are disposed on a side of the encapsulation layer facing away from the first rewiring layer; multiple semiconductor elements are provided, where the semiconductor elements are arranged on a side of the first rewiring structures facing away from the encapsulation layer, where the first rewiring layers are electrically connected to pins of the semiconductor elements.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: September 19, 2023
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Shanghai AVIC OPTO Electronics Co., Ltd.
    Inventors: Feng Qin, Kerui Xi, Tingting Cui, Jie Zhang, Xuhui Peng
  • Patent number: 11758723
    Abstract: A method for forming a three-dimensional (3D) memory device includes forming a cut structure in a stack structure. The stack structure includes interleaved a plurality of initial sacrificial layers and a plurality of initial insulating layers. The method also includes removing portions of the stack structure adjacent to the cut structure to form a slit structure and an initial support structure. The initial support structure divides the slit structure into a plurality of slit openings. The method further includes forming a plurality of conductor portions in the initial support structure through the plurality of slit openings. The method also includes forming a source contact in each of the plurality of slit openings. The method also includes removing portions of the initial support structure to form a support structure. The support structure includes an adhesion portion extending through the support structure.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: September 12, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Qingqing Wang, Wei Xu, Pan Huang, Ping Yan, Zongliang Huo, Wenbin Zhou
  • Patent number: 11756896
    Abstract: A semiconductor package structure and a method for manufacturing a semiconductor package structure are provided. The semiconductor package structure includes an electronic component, a conductive contact, and a first shielding layer. The electronic component has a first surface, a lateral surface angled with the first surface, and a second surface opposite to the first surface. The conductive contact is connected to the first surface of the electronic component. The first shielding layer is disposed on the lateral surface of the electronic component and a portion of the first surface of the electronic component. The first shielding layer contacts the conductive contact.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: September 12, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Cheng-Yuan Kung, Meng-Wei Hsieh
  • Patent number: 11756825
    Abstract: A semiconductor structure is provided, including a conductive layer, a dielectric layer over the conductive layer, a ruthenium material in the dielectric layer and in contact with a portion of the conductive layer, and a ruthenium oxide material in the dielectric layer laterally between the ruthenium material and the dielectric layer.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shen-Nan Lee, Teng-Chun Tsai, Chen-Hao Wu, Chu-An Lee, Chun-Hung Liao, Tsung-Ling Tsai
  • Patent number: 11749628
    Abstract: Microelectronic assemblies, related devices and methods, are disclosed herein. In some embodiments, a microelectronic assembly may include a first microelectronic component having a first direct bonding region, wherein the first direct bonding region includes first metal contacts and a first dielectric material between adjacent ones of the first metal contacts; a second microelectronic component having a second direct bonding region, wherein the second direct bonding region includes second metal contacts and a second dielectric material between adjacent ones of the second metal contacts, wherein the first microelectronic component is coupled to the second microelectronic component by interconnects, and wherein the interconnects include individual first metal contacts coupled to respective individual second metal contacts; and a void between an individual first metal contact that is not coupled to a respective individual second metal contact, wherein the void is in the first direct bonding region.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: September 5, 2023
    Assignee: Intel Corporation
    Inventors: Adel A. Elsherbini, Veronica Aleman Strong, Shawna M. Lift, Brandon M. Rawlings, Jagat Shakya, Johanna M. Swan, David M. Craig, Jeremy Alan Streifer, Brennen Karl Mueller
  • Patent number: 11751389
    Abstract: A three-dimensional (3D) memory device and a manufacturing method thereof are provided. The 3D memory device includes a substrate, insulation layers, gate material layers, and a vertical structure. The insulation layers and the gate material layers are disposed on the substrate and alternately stacked in a vertical direction. The vertical structure penetrates the gate material layers in the vertical direction. The vertical structure includes a semiconductor layer and a trapping layer. The semiconductor layer is elongated in the vertical direction. The trapping layer surrounds the semiconductor layer in a horizontal direction. The trapping layer includes trapping sections aligned in the vertical direction and separated from one another. The electrical performance of the 3D memory device may be improved by the trapping sections separated from one another.
    Type: Grant
    Filed: October 27, 2019
    Date of Patent: September 5, 2023
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventor: Qiguang Wang
  • Patent number: 11749638
    Abstract: A method for contacting and packaging a semiconductor chip of a power electronic component. The power electronic component has a first contact face produced in a first step via a multi-material printing process and a semiconductor chip, which is placed in a second step onto the first contact face. A ceramic insulation layer, which surrounds the semiconductor chip along its circumference and extends over the first contact face not covered by the semiconductor chip, is printed in a third step onto the first contact face. A second contact face is printed in a fourth step onto the ceramic insulation layer and the semiconductor chip. In a fifth step, the power electronic component is sintered by means of heat treatment.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 5, 2023
    Assignee: Technische Universität Chemnitz
    Inventors: Johannes Rudolph, Fabian Lorenz, Ralf Werner, Peter Seidel
  • Patent number: 11749618
    Abstract: A chip package includes a first substrate, a second substrate, a first conductive layer, and a metal layer. The first substrate has a bottom surface and an inclined sidewall adjoining the bottom surface, and an obtuse angle is between the bottom surface and the inclined sidewall. The second substrate is over the first substrate and has a portion that laterally extends beyond the inclined sidewall of the first substrate. The first conductive layer is between the first substrate and the second substrate. The metal layer is on said portion of the second substrate, on the bottom surface and the inclined sidewall of the first substrate, and electrically connected to an end of the first conductive layer.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: September 5, 2023
    Assignee: XINTEC INC.
    Inventors: Chia-Ming Cheng, Shu-Ming Chang
  • Patent number: 11749778
    Abstract: A semiconductor device according to an embodiment may include: a light emitting structure; a light transmitting electrode layer disposed on the light emitting structure; and a reflective layer disposed on the light transmitting electrode layer and including a plurality of first openings and a plurality of second openings. The semiconductor device according to the embodiment may include: a first electrode in contact with a first conductivity type semiconductor layer of the light emitting structure; and a second electrode in contact with the light transmitting electrode layer through the plurality of first openings.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: September 5, 2023
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Chang Hyeong Lee, June O Song, Tae Sung Lee, Chang Man Lim, Se Yeon Jung, Byung Yeon Choi, Sung Min Hwang
  • Patent number: 11744068
    Abstract: A semiconductor memory device includes a stack structure and a slit structure. The stack structure includes insulation layers and conductive layers alternately stacked with the insulation layers. The slit structure is configured to divide the stack structure into memory blocks. A part of the slit structure configured to define one memory block has a dashed shape including a slit region and a bridge region.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: August 29, 2023
    Assignee: SK hynix Inc.
    Inventors: Min Jae Hur, Ji Hyeun Shin, Ju Hun Kim, Bo Ram Park, Ji Woong Sue