Insulated Gate Capacitor Or Insulated Gate Transistor Combined With Capacitor (e.g., Dynamic Memory Cell) Patents (Class 257/296)
  • Patent number: 12156401
    Abstract: A three-dimensional (3D) semiconductor memory device including: stack structures spaced apart from each other on a semiconductor substrate, wherein each of the stack structures includes interlayer insulating layers and semiconductor patterns alternately stacked on the semiconductor substrate; conductive patterns provided between the interlayer insulating layers vertically adjacent to each other and connected to the semiconductor patterns; and a protective structure covering a top surface of the semiconductor substrate between the stack structures, wherein a top surface of the protective structure is located between a top surface and a bottom surface of a lowermost interlayer insulating layer of the interlayer insulating layers.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joongchan Shin, Byeungmoo Kang, Sangyeon Han
  • Patent number: 12156396
    Abstract: A memory device including a gain-cell memory cell capable of storing a large amount of data per unit area is provided. A peripheral circuit of the memory device is formed using a transistor formed on a semiconductor substrate, and a memory cell of the memory device is formed using a thin film transistor. A plurality of layers including thin film transistors where memory cells are formed are stacked above the semiconductor substrate, whereby the amount of data that can be stored per unit area can be increased. When an OS transistor with extremely low off-state current is used as the thin film transistor, the capacitance of a capacitor that accumulates charge can be reduced. In other words, the area of the memory cell can be reduced.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 26, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shuhei Nagatsuka, Tatsuya Onuki, Takahiko Ishizu, Kiyoshi Kato, Shunpei Yamazaki
  • Patent number: 12136667
    Abstract: A device including a first transistor, having a gate region partially penetrating into a gallium nitride layer, and a second transistor located inside of the gate region of the first transistor.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: November 5, 2024
    Assignee: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Blend Mohamad, René Escoffier
  • Patent number: 12136457
    Abstract: A memory device may include at least one multinary memory cell. Each multinary memory cell includes a parallel connection of N sub-bit units. N is an integer greater than 1. Each of the N sub-bit units includes a series connection of a respective transistor and a respective capacitor. A first sub-bit unit includes a first capacitor having a capacitance of C, and each i-th sub-unit includes an i-th capacitor having a capacitance of about 2i-1×C. A multinary bit having 2N values may be stored. A device network including multiple multinary logic units is also provided. Each of multiple multinary logic unit includes a parallel connection of N sub-bit units. Each sub-bit unit includes a series connection of a respective transistor and a respective capacitor having capacitance ratios of powers of 2.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: November 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Katherine H. Chiang, Chung-Te Lin
  • Patent number: 12131950
    Abstract: A semiconductor device and a method of fabricating the same are provided. According to the present invention, a semiconductor device comprises an active region formed in a substrate, and including flat surfaces and hole-shaped recess portions; upper-level plugs disposed over the flat surfaces; a spacer disposed between the upper-level plugs and providing a trench exposing the hole-shaped recess portions; a lower-level plug filling the hole-shaped recess portions; and a buried conductive line disposed over the lower-level plug and partially filling the trench.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: October 29, 2024
    Assignee: SK hynix Inc.
    Inventors: Jae Man Yoon, Jin Hwan Jeon, Tae Kyun Kim, Jung Woo Park, Su Ock Chung, Jae Won Ha
  • Patent number: 12131979
    Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a base, the base including a substrate and a first heat dissipation structure located in the substrate, heat conductivity of the first heat dissipation structure being higher than that of the substrate, the substrate including an upper surface and a lower surface opposite to each other, and a surface of the first heat dissipation structure being exposed on the upper surface of the substrate; a second heat dissipation structure, the second heat dissipation structure being at least located on an upper surface of the first heat dissipation structure; and a through silicon via (TSV) structure, the TSV structure penetrating through an entire thickness of the second heat dissipation structure and extending into the base, the second heat dissipation structure surrounding the TSV structure, and the first heat dissipation structure surrounding the TSV structure.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: October 29, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Luguang Wang, Xiaoling Wang
  • Patent number: 12132087
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes: forming a bit line over a substrate; forming a first spacer layer over and conformal to the bit line; forming a sacrificial layer over and conformal to the first spacer layer; forming a second spacer layer over and conformal to the sacrificial layer; forming a mask layer covering a lower portion of the second spacer layer; removing an upper portion of the second spacer layer; removing the sacrificial layer; and forming a third spacer layer over the first spacer layer and the second spacer layer, thereby forming a first air gap surrounded by the lower portion of the second spacer layer.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: October 29, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Ching-Kai Chuang
  • Patent number: 12127411
    Abstract: In some embodiments, the present disclosure relates to an integrated chip that includes a gate electrode arranged over a substrate. A gate dielectric layer is arranged over the gate electrode, and an active structure is arranged over the gate dielectric layer. A source contact and a drain contact are arranged over the active structure. The active structure includes a stack of cocktail layers alternating with first active layers. The cocktail layers include a mixture of a first material and a second material. The first active layers include a third material that is different than the first and second materials. The bottommost layer of the active structure is one of the cocktail layers.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: October 22, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Rainer Yen-Chieh Huang, Hai-Ching Chen, Chung-Te Lin
  • Patent number: 12106964
    Abstract: Provided is a patterning method including following steps. A doped polysilicon layer, a core layer, and an undoped polysilicon layer are sequentially formed on a target layer. The undoped polysilicon layer is patterned to form a polysilicon pattern. A first etching process is performed by using the polysilicon pattern as a mask to remove a portion of the core layer to form a core pattern. A second etching process is performed to remove the polysilicon pattern. An atomic layer deposition (ALD) process is performed to form a spacer material on the core pattern and the doped polysilicon layer. A portion of the spacer material is removed to form a spacer on a sidewall of the core pattern. A portion of the core pattern and an underlying doped polysilicon are removed.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: October 1, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Chu-Chun Hsieh, Ting-Wei Wu, Chih-Jung Ni
  • Patent number: 12101926
    Abstract: A device includes a substrate. A first nanostructure is over the substrate, and includes a semiconductor having a first resistance. A second nanostructure is over the substrate, is offset laterally from the first nanostructure, is at about the same height above the substrate as the first nanostructure, and includes a conductor having a second resistance lower than the first resistance. A first gate structure is over and wrapped around the first nanostructure, and a second gate structure is over and wrapped around the second nanostructure.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: September 24, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Chung-Liang Cheng
  • Patent number: 12101924
    Abstract: A semiconductor structure and a method for manufacturing same. The semiconductor structure includes: a semiconductor base, including a logical device region and a memory region; a bit line located in the memory region and an electrical contact layer located in the logical device region, which are disposed in a same layer; a first semiconductor channel located on the bit line and a second semiconductor channel located on the electrical contact layer, which are disposed in a same layer; a word line and a gate disposed in a same layer; a capacitor structure, in contact with a second doped region of the first semiconductor channel; an electrical connection structure, in contact with the fourth doped region of the second semiconductor channel; and a dielectric layer, located between the bit line and the word line, and on a side of the word line away from the semiconductor base.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: September 24, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Deyuan Xiao
  • Patent number: 12101945
    Abstract: [Problem] To provide a semiconductor device suitable for miniaturization. To provide a highly reliable semiconductor device. To provide a semiconductor device with improved operating speed. [Solving Means] A semiconductor device including a memory cell including first to cth (c is a natural number of 2 or more) sub memory cells, wherein: the jth sub memory cell includes a first transistor, a second transistor, and a capacitor; a first semiconductor layer included in the first transistor and a second semiconductor layer included in the second transistor include an oxide semiconductor; one of terminals of the capacitor is electrically connected to a gate electrode included in the second transistor; the gate electrode included in the second transistor is electrically connected to one of a source electrode and a drain electrode which are included in the first transistor; and when j?2, the jth sub memory cell is arranged over the j?1th sub memory cell.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: September 24, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tomoaki Atsumi, Shuhei Nagatsuka, Tamae Moriwaka, Yuta Endo
  • Patent number: 12101943
    Abstract: A semiconductor structure and the fabrication method thereof are provided. The semiconductor structure includes: a substrate including a first doped region and a second doped region; a first selection transistor and a second selection transistor located in the substrate; a conductive layer located between the first doped region and the second doped region; a resistive dielectric layer located on sidewalls of the conductive layer, where the conductive layer, the first doped region, and a portion of the resistive dielectric layer facing the first doped region constitute a first variable resistor, and the conductive layer, the second doped region, and a portion of the resistive dielectric layer facing the second doped region constitute a second variable resistor; and an isolation dielectric layer located between the conductive layer and the substrate. The semiconductor structure improves the storage density of resistive random access memory (RRAM).
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: September 24, 2024
    Assignee: Changxin Memory Technologies, Inc.
    Inventors: Qingsong Du, Wei Chang
  • Patent number: 12096615
    Abstract: A semiconductor device includes a substrate including a cell area having a first active region and a peripheral circuit area having a second active region, a direct contact contacting the first active region in the cell area, a bit line structure disposed on the direct contact, a capacitor structure electrically connected to the first active region, a gate structure disposed on the second active region in the peripheral circuit area, lower wiring layers disposed adjacent to the gate structure and electrically connected to the second active region, upper wiring layers disposed on the lower wiring layers, a wiring insulating layer disposed between the lower wiring layers and the upper wiring layers, and upper contact plugs connected to at least one of the lower wiring layers and the upper wiring layers and extending through the wiring insulating layer.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wooyoung Choi, Juseong Oh, Yoosang Hwang
  • Patent number: 12087809
    Abstract: A semiconductor device and a manufacturing method thereof are provided. The method includes forming an isolation structure in a substrate to define an isolating region and forming a capacitor structure on an upper surface of the isolation structure and comprising a first semiconductor structure and a second semiconductor structure separated by an insulator pattern. The first semiconductor structure and the second semiconductor structure are formed with upper surfaces aligned with one another.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: September 10, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Han Lin, Te-Hsin Chiu, Wei Cheng Wu, Te-An Chen
  • Patent number: 12087581
    Abstract: Disclosed are an active region, an active region array and a formation method thereof. The active region is formed in a substrate. The active region is provided with a wordline structure. The wordline structure penetrates the active region in a first direction and divides the active region into a source region and a drain region. The source region and the drain region are arranged in a second direction, and a size of the drain region in a third direction is greater than that of the source region in the third direction. An angle between the first direction and the second direction is an acute angle, and the third direction is perpendicular to the second direction.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: September 10, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: ChihCheng Liu
  • Patent number: 12089394
    Abstract: Provided are a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes a substrate having a capacitor region and a periphery region and a capacitor. A transistor is disposed in the substrate in the capacitor region, and a conductive device is disposed in the substrate in the periphery region. The capacitor is disposed on the substrate in the capacitor region and electrically connected to the transistor, wherein an upper electrode layer of the capacitor does not extend into the periphery region.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: September 10, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Chi-An Wang, Kai Jen, Wei-Che Chang
  • Patent number: 12080725
    Abstract: Embodiments of the disclosure generally provide methods of forming a hybrid film stack that may be used as a capacitor layer or a gate insulating layer with a high dielectric constant as well as film qualities for display applications. In one embodiment, a thin film transistor structure include gate, source and drain electrodes formed on a substrate, and an insulating layer formed on a substrate, wherein the insulating layer is a hybrid film stack having a dielectric layer comprising a zirconium containing material disposed on an interface layer formed above or below the gate, source and drain electrodes.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: September 3, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Xiangxin Rui, Lai Zhao, Jrjyan Jerry Chen, Soo Young Choi, Yujia Zhai
  • Patent number: 12082398
    Abstract: A method of forming a capacitor structure includes following operations. A first electrode is formed. A hafnium-zirconium oxide (HZO) layer is formed over the first electrode under a first temperature. An interface dielectric layer is formed over the HZO layer under a second temperature greater than the first temperature. A second electrode is formed over the interface dielectric layer. The HZO layer and the interface dielectric layer are annealed.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: September 3, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Jyun-Hua Yang, Kai Hung Lin
  • Patent number: 12068379
    Abstract: In an embodiment, a semiconductor device is provided that includes a lateral transistor device having a source, a drain and a gate, and a monolithically integrated capacitor coupled between the gate and the drain.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: August 20, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Oliver Häberlen, Eric G. Persson, Reenu Garg
  • Patent number: 12052858
    Abstract: Embodiments herein relate to vertical contacts for semiconductor devices. For instance, a memory device having vertical contacts can comprise a substrate including circuitry components, a vertical stack of layers formed from repeating iterations of a group of layers disposed on the substrate, the group of layers comprising a first dielectric material layer, a semiconductor material layer, and a second dielectric material layer including horizontal conductive lines formed along a horizontal plane in the second dielectric material layer, and vertical contacts coupled to the horizontal conductive lines, the vertical contacts extending along a vertical plane within the vertical stack of layers to directly electrically couple the horizontal conductive lines to the circuitry components.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: July 30, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Byung Yoon Kim, Sangmin Hwang, Kyuseok Lee
  • Patent number: 12041780
    Abstract: Provided herein may be a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device may include a dummy stacked body including a plurality of first material layers and second material layers alternately stacked in a contact area, at least one contact plug formed to vertically pass through a portion or an entirety of the dummy stacked body, and a capacitor comprising a first electrode body and a second electrode body, the first and second electrode bodies formed around the at least one contact plug and vertically passed through a portion or an entirety of the dummy stacked body.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: July 16, 2024
    Assignee: SK hynix Inc.
    Inventor: Jeong Sang Kang
  • Patent number: 12035522
    Abstract: In an embodiment a memory cell includes a first doped well of a first conductivity type in contact with a second doped well of a second conductivity type, the second conductivity type being opposite to the first conductivity type, a third doped well of the second conductivity type in contact with a fourth doped well of the first conductivity type, a first wall in contact with the second and fourth wells, the first wall including a conductive or semiconductor core and an insulating sheath, a stack of layers including a first insulating layer, a first semiconductor layer, a second insulating layer and a second semiconductor layer at least partially covering the second and fourth wells and a third semiconductor layer located below the second and fourth wells and the first wall.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: July 9, 2024
    Assignee: STMICROELECTRONICS (ROUSSET) SAS
    Inventors: Franck Melul, Abderrezak Marzaki, Madjid Akbal
  • Patent number: 12027233
    Abstract: Embodiments provide a wordline driver circuit and a memory. The wordline driver circuit at least includes a first type of wordline drivers and a second type of wordline drivers, wherein each of the wordline drivers includes a PMOS transistor and an NMOS transistor. A first type of PMOS transistors in the first type of wordline drivers and a second type of PMOS transistors in the second type of wordline drivers are configured to receive different first control signals. The first type of PMOS transistors and the second type of PMOS transistors are arranged side by side, a part of the NMOS transistors in the first type of wordline drivers and the second type of wordline drivers are positioned on a side of the first type of PMOS transistors and the second type of PMOS transistors.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: July 2, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Guifen Yang
  • Patent number: 12027592
    Abstract: A field effect transistor includes a channel made of germanium and a source/drain portion. The source/drain portion includes a germanium layer, an interfacial epitaxial layer over the germanium layer, a semiconductor layer over the interfacial epitaxial layer, and a conducting layer over the semiconductor layer. The interfacial epitaxial layer contains germanium and an element from the semiconductor layer and has a thickness in a range from about 1 nm to about 3 nm.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: July 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Martin Christopher Holland, Blandine Duriez
  • Patent number: 12022648
    Abstract: The present disclosure provides a semiconductor structure having an air gap surrounding a lower portion of a bit line, and a manufacturing method of the semiconductor structure. The semiconductor structure includes a substrate; a bit line structure disposed over the substrate; a first dielectric layer, surrounding the bit line structure; a second dielectric layer, surrounding a lower portion of the first dielectric layer, wherein the second dielectric layer is separated from the first dielectric layer by a first air gap; and a third dielectric layer, surrounding an upper portion of the first dielectric layer and sealing the first air gap.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: June 25, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Ching-Kai Chuang
  • Patent number: 12022663
    Abstract: Some embodiments include an integrated assembly. The integrated assembly has a first transistor with a horizontally-extending channel region between a first source/drain region and a second source/drain region; has a second transistor with a vertically-extending channel region between a third source/drain region and a fourth source/drain region; and has a capacitor between the first and second transistors. The capacitor has a first electrode, a second electrode, and an insulative material between the first and second electrodes. The first electrode is electrically connected with the first source/drain region, and the second electrode is electrically connected with the third source/drain region. A digit line is electrically connected with the second source/drain region. A conductive structure is electrically connected with the fourth source/drain region.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: June 25, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Scott J. Derner, Charles L Ingalls
  • Patent number: 12015073
    Abstract: A thin film structure including a dielectric material layer and an electronic device to which the thin film structure is applied are provided. The dielectric material layer includes a compound expressed by ABO3, wherein at least one of A and B in ABO3 is substituted and doped with another atom having a larger atom radius, and ABO3 becomes A1-xA?xB1-yB?yO3 (where x>=0, y>=0, at least one of x and y?0, a dopant A? has an atom radius greater than A and/or a dopant B? has an atom radius greater than B) through substitution and doping. A dielectric material property of the dielectric material layer varies according to a type of a substituted and doped dopant and a substitution doping concentration.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: June 18, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woojin Lee, Kiyoung Lee, Yongsung Kim, Eunsun Kim
  • Patent number: 12010918
    Abstract: The present disclosure relates to a method of forming a device. The method includes depositing a first layer of getter material on a substrate. A first electrode is formed in a first conductive layer deposited on the first layer of getter material. An insulator element is formed in a piezoelectric layer deposited on the first electrode. A second electrode is formed in a second conductive layer deposited on the insulator element. A first input-output electrode is formed to be conductively connected to the first layer of getter material and a second input-output electrode is formed to be conductively connected to the second electrode.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: June 11, 2024
    Assignee: Taiwan Semiconductor Manaufacturing Company, Ltd.
    Inventors: Chih-Ming Chen, Chung-Yi Yu
  • Patent number: 12009346
    Abstract: A device includes a lower semiconductor substrate, a lower gate structure on the lower semiconductor substrate, the lower gate structure comprises a lower gate electrode, a lower interlayer insulating film on the lower semiconductor substrate, an upper semiconductor substrate on the lower interlayer insulating film, an upper gate structure on the upper semiconductor substrate, and an upper interlayer insulating film on the lower interlayer insulating film, the upper interlayer insulating film covers sidewalls of the upper semiconductor substrate The upper gate structure comprises an upper gate electrode extending in a first direction and gate spacers along sidewalls of the upper gate electrode. The upper gate electrode comprises long sidewalls extending in the first direction and short sidewalls in a second direction The gate spacers are on the long sidewalls of the upper gate electrode and are not disposed on the short sidewalls of the upper gate electrode.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: June 11, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Min Kim, Dae Won Ha
  • Patent number: 12009355
    Abstract: Apparatuses, devices and methods for fabricating one or more vertically integrated single bit capacitor-based memory cells is disclosed. A single bit capacitor-based memory cell can include a vertically oriented transistor and a vertically oriented capacitor that is vertically integrated with the transistor, so as to form a memory cell. Aspects of the disclosure include process steps for forming the transistor and the capacitor, including a first metal part of a capacitor, a second metal part of a capacitor and an electrically insulating layer disposed between the two. The transistor and the capacitor also include an electrical contact between them and a layer that insulates the transistor from the base layer or the underlying substrate.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: June 11, 2024
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: H. Jim Fulford, Mark I. Gardner, Partha Mukhopadhyay
  • Patent number: 12009250
    Abstract: A method for manufacturing a semiconductor structure includes: providing a substrate, the substrate includes a plurality of first trenches and a first pattern having an array of lines each formed between adjacent two of the plurality of first trenches; forming a first dielectric layer to cover at least the sidewalls of each of the lines in the array of the first pattern; and each of the lines in the array of the first pattern is segmented to form elements of a second pattern.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: June 11, 2024
    Assignee: Changxin Memory Technologies, Inc.
    Inventors: Zhan Ying, Qiang Zhang, Yiming Zhu
  • Patent number: 12002884
    Abstract: A semiconductor structure includes vertical stacks located over a substrate, wherein each of the vertical stacks includes from bottom to top, a bottom electrode, a dielectric pillar structure including a lateral opening therethrough, and a top electrode; layer stacks located over the vertical stacks, wherein each of the layer stacks includes an active layer and an outer gate dielectric and laterally surrounds a respective one of the vertical stacks; inner gate electrodes passing through a respective subset of the lateral openings in a respective row of vertical stacks that are arranged along a first horizontal direction; and outer gate electrodes laterally extending along the first horizontal direction and laterally surrounding a respective row of layer stacks.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: June 4, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ming-Yen Chuang, Katherine H. Chiang, Yun-Feng Kao
  • Patent number: 11984505
    Abstract: A semiconductor device includes a substrate, a gate oxide layer, a gate electrode and an injection region. The substrate includes a trench, a source region, a drain region and a channel region. The trench includes trench sidewalls and a trench bottom wall. The gate oxide layer is disposed in the trench. The gate oxide layer includes a groove. The gate electrode is disposed in the groove. The injection region is located on at least a side of the trench bottom wall, and at least a part of the injection region is closer to the drain region than the source region so that a threshold voltage at a portion of the channel region close to the injection region is less than a threshold voltage at a portion of the channel region far from the injection region.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: May 14, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: ChihCheng Liu
  • Patent number: 11984150
    Abstract: Methods, systems, and devices for word line drivers for multiple-die memory devices are described. A memory device may include a first semiconductor die associated with at least memory cells and corresponding access lines of the memory device, and a second semiconductor die associated with at least access line driver circuitry of the memory device. The second semiconductor die may be located in contact with or otherwise adjacent to the first semiconductor die, and electrical contacts may be formed to couple the access line driver circuitry of the second semiconductor die with the access line conductors of the first semiconductor die. For example, cavities may be formed through the second semiconductor die and at least a portion of the first semiconductor die, and the electrical contacts may be formed between the semiconductor dies at least in part from forming a conductive material in the cavities.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: May 14, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Fatma Arzum Simsek-Ege, Mingdong Cui
  • Patent number: 11980110
    Abstract: Insulated phase change memory devices are provided that include a first electrode; a second electrode; a phase change material disposed in an electrical path between the first electrode and the second electrode; and a porous dielectric configured to concentrate heat produced by a reset current carried through the phase change material between the first electrode and the second electrode to mitigate an amount of heat that escapes from the phase change material. The porous dielectric may be an inherently porous dielectric material or a dielectric material in which porous structures are induced during fabrication. Methods of fabrication of such devices are also provided.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: May 7, 2024
    Assignee: International Business Machines Corporation
    Inventors: Timothy Mathew Philip, Anirban Chandra, Kevin W. Brew, Lawrence A. Clevenger
  • Patent number: 11974424
    Abstract: Provided is a memory device including a substrate, a plurality of landing pads, a protective layer, a filling layer, a plurality of cup-shaped lower electrodes, a capacitor dielectric layer, and an upper electrode. The landing pads are disposed on the substrate. The protective layer conformally covers sidewalls of the landing pads. The filling layer is laterally disposed between the landing pads, wherein the filling layer has a top surface higher than a top surface of the landing pads. The cup-shaped lower electrodes are respectively disposed on the landing pads. The capacitor dielectric layer covers a surface of the cup-shaped lower electrodes. The upper electrode covers a surface of the capacitor dielectric layer. A method of forming a memory device is also provided.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 30, 2024
    Assignee: Winbond Electronics Corp.
    Inventors: Chung-Ming Yang, Shu-Ming Li
  • Patent number: 11968831
    Abstract: A memory device includes a substrate, a first dielectric structure, a second dielectric structure, a channel structure, a source structure, and a drain structure. The first dielectric structure and the second dielectric structure are disposed on the substrate, and are spaced apart from each other in a first direction. The channel structure interconnects the first dielectric structure and the second dielectric structure. The source structure and the drain structure are on opposite ends of the channel structure, and are respectively embedded in the first dielectric structure and the second dielectric structure, wherein a ratio in length along the first direction of the source structure to the first dielectric structure is between 0.3 and 0.4.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: April 23, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventor: Be-Shan Tseng
  • Patent number: 11963466
    Abstract: A switch device including a semiconductor substrate is provided. A trench is formed in the substrate, and a phase change material is provided at least partially in the trench. A heater for heating the phase change material is also provided.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: April 16, 2024
    Assignee: Infineon Technologies AG
    Inventors: Dominik Heiss, Christoph Kadow, Matthias Markert
  • Patent number: 11950405
    Abstract: Disclosed are semiconductor memory devices and methods of fabricating the same. The semiconductor memory devices may include a plurality of layers sequentially stacked on a substrate in a vertical direction, each of the plurality of layers including a bit line extending in a first direction and a semiconductor pattern extending from the bit line in a second direction traversing the first direction, a gate electrode extending through the plurality of layers and including a vertical portion extending through the semiconductor patterns and a first horizontal portion extending from the vertical portion and facing a first surface of one of the semiconductor patterns, and a data storing element electrically connected to the one of the semiconductor patterns. The data storing element includes a first electrode electrically connected to the one of the semiconductor patterns, a second electrode on the first electrode, and a dielectric layer between the first and second electrodes.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yong-Hoon Son
  • Patent number: 11930631
    Abstract: The present disclosure relates to a semiconductor memory device and a fabricating method thereof, and the semiconductor memory device includes a substrate, bit lines, plugs and a spacer structure. The bit lines are separately disposed on the substrate, and the plugs are also disposed on the substrate to alternately arrange with the bit lines. The spacer structure is disposed on the substrate, between each of the bit lines and each of the plugs. The spacer structure includes a first air gap layer, a first spacer and a second air gap layer, and the first air gap layer, the first spacer and the second air gap layer are sequentially stacked between sidewalls of the bit lines and the plugs. Therefore, two air gap layers may be formed between the bit lines and the storage node contacts to improve the delay between the resistor and the capacitor.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 12, 2024
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Ken-Li Chen, Yifei Yan, Yu-Cheng Tung
  • Patent number: 11923235
    Abstract: A method includes forming a first trench and a second trench in a semiconductor substrate; forming a first mask over the semiconductor substrate, wherein the first mask is disposed in a first portion of the first trench and exposes the second trench and a second portion of the first trench; after forming the first mask, deepening the second trench and the second portion of the first trench; after deepening the second trench and the second portion of the first trench, removing the first mask; and after removing the first mask, filling a dielectric material in both the first and second trenches.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Ta Wu, Chii-Ming Wu, Sen-Hong Syue, Cheng-Po Chau
  • Patent number: 11917814
    Abstract: An apparatus includes: a memory mat including a plurality of vertical memory cell transistors; a shield structure covering the memory mat and surrounding each of the plurality of vertical memory cell transistors; and a ring-shaped wiring above the shield structure, the ring-shaped wiring being connected to the shield structure in an edge region of the shield structure.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: February 27, 2024
    Assignee: Micron Technology, Inc.
    Inventor: Mitsunari Sukekawa
  • Patent number: 11910591
    Abstract: The present invention provides a highly integrated memory cell and a semiconductor memory device including the same. According to the present invention, a semiconductor memory device comprises: a memory cell array in which a plurality of memory cells is vertically stacked to a substrate, wherein each of the memory cells includes: a bit line vertically oriented to the substrate; a capacitor laterally spaced apart from the bit line; an active layer laterally oriented between the bit line and the capacitor; and a word line and a back gate facing each other with the active layer interposed therebetween, and wherein an edge of the word line and an edge of the back gate have a step shape along a stacking direction of the memory cells.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: February 20, 2024
    Assignee: SK hynix Inc.
    Inventor: Seung Hwan Kim
  • Patent number: 11901282
    Abstract: An integrated semiconductor device having a metallic element formed between a capacitor with and a doped region.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: February 13, 2024
    Assignee: Texas Instruments Incorporated
    Inventor: Kumar Anurag Shrivastava
  • Patent number: 11894297
    Abstract: Disclosed are metal-insulator-metal capacitors and integrated chips. In one embodiment, a metal-insulator-metal capacitor includes N electrodes and (N?1) passivation layers, wherein the N electrodes and the (N?1) passivation layers are alternately stacked on a substrate. N is an integer larger than 1. Thicknesses of the N electrodes gradually increase in a direction parallel to a normal direction of the substrate.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: February 6, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: I-Che Lee
  • Patent number: 11881464
    Abstract: A radio frequency (RF) power amplifier device package includes a substrate and a first die attached to the substrate at a bottom surface of the first die. The first die includes top gate or drain contacts on a top surface of the first die opposite the bottom surface. At least one of the top gate or drain contacts is electrically connected to a respective bottom gate or drain contact on the bottom surface of the first die by a respective conductive via structure. An integrated interconnect structure, which is on the first die opposite the substrate, includes a first contact pad on the top gate contact or the top drain contact of the first die, and at least one second contact pad connected to a package lead, a contact of a second die, impedance matching circuitry, and/or harmonic termination circuitry.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: January 23, 2024
    Assignee: Wolfspeed, Inc.
    Inventors: Basim Noori, Marvin Marbell, Kwangmo Chris Lim, Qianli Mu
  • Patent number: 11882691
    Abstract: A method of fabricating a semiconductor device includes forming a device isolation layer in a substrate to define active regions, forming a conductive layer on the active regions, forming first mask patterns intersecting the active regions on the conductive layer, etching the conductive layer using the first mask patterns as etch masks to form bit lines, growing second mask patterns from top surfaces of the first mask patterns, and performing a patterning process using the second mask patterns as etch masks to form contact holes exposing the active regions between the bit lines.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: January 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Heon Lee, Munjun Kim, ByeongJu Bae
  • Patent number: 11875947
    Abstract: Some embodiments include a capacitive unit having two or more capacitive tiers. Each of the capacitive tiers has first electrode material arranged in a configuration having laterally-extending first segments and longitudinally-extending second segments. The first and second segments join at intersection-regions. The first electrode material of the first and second segments is configured as tubes. The capacitive tiers are together configured as a stack having a first side. The first electrode material caps the tubes along the first side. Capacitor dielectric material lines the tubes. Second electrode material extends into the lined tubes. Columns of the second electrode material extend vertically through the capacitive tiers and are joined with the second electrode material within the lined tubes. A conductive plate extends vertically along the first side of the stack and is directly against the first electrode material. Some embodiments include methods of forming integrated assemblies.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: January 16, 2024
    Assignee: Micron Technology, Inc.
    Inventor: Yuichi Yokoyama
  • Patent number: 11862723
    Abstract: A manufacturing method of an integrated circuit memory includes: a substrate is provided; a bit line extending along a first direction is formed on the substrate; a word line extending along a second direction is formed on the bit line; and a vertical storage transistor is formed in an overlapping region where the word line and the bit line are spatially intersected, the vertical storage transistor being located on the bit line, and connected to the bit line.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: January 2, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Qu Luo